diff --git a/tests/std/strings/004.phpt b/tests/std/strings/004.phpt
new file mode 100644
index 00000000..8e66a398
--- /dev/null
+++ b/tests/std/strings/004.phpt
@@ -0,0 +1,88 @@
+--TEST--
+Testing randomization of shuffle() and str_shuffle().
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+function stats($f, $a) {
+    $times = 90000;
+    print "$f\n";
+    ksort($a);
+    foreach($a as $k => $v)
+        print "$k: $v: " . sprintf('%0.3f', $v / $times) . "\n";
+}
+$a = array();
+$times = 90000;
+for ($i = 0; $i < $times; $i++) {
+    $p = range(1,4);
+    shuffle($p);
+    $s = join('', $p);
+    if (empty($a[$s])) $a[$s] = 0;
+    $a[$s]++;
+}
+
+stats('shuffle', $a);
+$a = array();
+$times = 90000;
+for ($i = 0; $i < $times; $i++) {
+    $p = '1234';
+    $s = str_shuffle($p);
+    if (empty($a[$s])) $a[$s] = 0;
+    $a[$s]++;
+}
+
+stats('str_shuffle', $a);
+?>
+--EXPECTREGEX--
+shuffle
+1234: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1243: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1324: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1342: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1423: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1432: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2134: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2143: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2314: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2341: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2413: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2431: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3124: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3142: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3214: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3241: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3412: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3421: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4123: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4132: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4213: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4231: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4312: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4321: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+str_shuffle
+1234: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1243: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1324: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1342: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1423: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+1432: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2134: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2143: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2314: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2341: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2413: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+2431: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3124: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3142: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3214: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3241: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3412: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+3421: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4123: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4132: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4213: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4231: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4312: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
+4321: [34][0-9][0-9][0-9]: 0.0[3-4][0-9]
diff --git a/tests/std/strings/005.phpt b/tests/std/strings/005.phpt
new file mode 100644
index 00000000..ee93c8f6
--- /dev/null
+++ b/tests/std/strings/005.phpt
@@ -0,0 +1,28 @@
+--TEST--
+highlight_string(), output buffer and error level
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+error_reporting=8192
+--FILE--
+<?php
+
+echo "hello\n";
+
+$string = str_repeat("A", 1024);
+
+var_dump(error_reporting());
+highlight_string($string, true);
+var_dump(ob_get_contents());
+var_dump(error_reporting());
+
+echo "Done\n";
+?>
+--EXPECT--
+hello
+int(8192)
+bool(false)
+int(8192)
+Done
diff --git a/tests/std/strings/006.phpt b/tests/std/strings/006.phpt
new file mode 100644
index 00000000..c5df2d5b
--- /dev/null
+++ b/tests/std/strings/006.phpt
@@ -0,0 +1,21 @@
+--TEST--
+highlight_file() and output buffer
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+$file = str_repeat("A", 1024);
+
+var_dump(highlight_file($file, true));
+var_dump(ob_get_contents());
+
+?>
+--EXPECTF--
+Warning: highlight_file(AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA): Failed to open stream: %s006.php on line %d
+
+Warning: highlight_file(): Failed opening 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' for highlighting in %s006.php on line %d
+bool(false)
+bool(false)
diff --git a/tests/std/strings/007-win32.phpt b/tests/std/strings/007-win32.phpt
new file mode 100644
index 00000000..9fe9e482
--- /dev/null
+++ b/tests/std/strings/007-win32.phpt
@@ -0,0 +1,16 @@
+--TEST--
+php_strip_whitespace() and output buffer
+--SKIPIF--
+<?php if( substr(PHP_OS, 0, 3) != "WIN") die('skip Windows only test');?>
+--FILE--
+<?php
+$file = str_repeat("A", PHP_MAXPATHLEN - strlen(__DIR__ . DIRECTORY_SEPARATOR . __FILE__));
+
+var_dump(php_strip_whitespace($file));
+var_dump(ob_get_contents());
+
+?>
+--EXPECTF--
+Warning: php_strip_whitespace(%s): Failed to open stream: No such file or directory in %s on line %d
+string(0) ""
+bool(false)
diff --git a/tests/std/strings/007.phpt b/tests/std/strings/007.phpt
new file mode 100644
index 00000000..f0356805
--- /dev/null
+++ b/tests/std/strings/007.phpt
@@ -0,0 +1,18 @@
+--TEST--
+php_strip_whitespace() and output buffer
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+$file = str_repeat("A", PHP_MAXPATHLEN - strlen(__DIR__ . DIRECTORY_SEPARATOR . __FILE__));
+
+var_dump(php_strip_whitespace($file));
+var_dump(ob_get_contents());
+
+?>
+--EXPECTF--
+Warning: php_strip_whitespace(%s): Failed to open stream: File%Sname too long in %s007.php on line %d
+string(0) ""
+bool(false)
diff --git a/tests/std/strings/add-and-stripcslashes.phpt b/tests/std/strings/add-and-stripcslashes.phpt
new file mode 100644
index 00000000..79923f42
--- /dev/null
+++ b/tests/std/strings/add-and-stripcslashes.phpt
@@ -0,0 +1,23 @@
+--TEST--
+addcslashes() and stripcslashes() function
+--FILE--
+<?php
+echo addcslashes("", "")."\n";
+echo addcslashes("", "burp")."\n";
+echo addcslashes("kaboemkara!", "")."\n";
+echo addcslashes("foobarbaz", 'bar')."\n";
+echo addcslashes('foo[ ]', 'A..z')."\n";
+echo @addcslashes("zoo['.']", 'z..A')."\n";
+echo addcslashes('abcdefghijklmnopqrstuvwxyz', "a\145..\160z")."\n";
+echo "\n\r" == stripcslashes('\n\r'),"\n";
+echo stripcslashes('\065\x64')."\n";
+echo stripcslashes('')."\n";
+?>
+--EXPECT--
+kaboemkara!
+foo\b\a\r\b\az
+\f\o\o\[ \]
+\zoo['\.']
+\abcd\e\f\g\h\i\j\k\l\m\n\o\pqrstuvwxy\z
+1
+5d
diff --git a/tests/std/strings/add-and-stripslashes.phpt b/tests/std/strings/add-and-stripslashes.phpt
new file mode 100644
index 00000000..4855ff02
--- /dev/null
+++ b/tests/std/strings/add-and-stripslashes.phpt
@@ -0,0 +1,20 @@
+--TEST--
+addslashes() and stripslashes() functions
+--FILE--
+<?php
+
+$input = '';
+for($i=0; $i<512; $i++) {
+    $input .= chr($i%256);
+}
+
+echo "Normal: ";
+if($input === stripslashes(addslashes($input))) {
+    echo "OK\n";
+} else {
+    echo "FAILED\n";
+}
+
+?>
+--EXPECT--
+Normal: OK
diff --git a/tests/std/strings/addcslashes_001.phpt b/tests/std/strings/addcslashes_001.phpt
new file mode 100644
index 00000000..878ac4bf
--- /dev/null
+++ b/tests/std/strings/addcslashes_001.phpt
@@ -0,0 +1,73 @@
+--TEST--
+Test addcslashes() function (variation 1)
+--INI--
+precision=14
+--FILE--
+<?php
+
+echo "*** Testing addcslashes() for basic operations ***\n";
+/* checking normal operation of addcslashes */
+$string = "goodyear12345NULL\0truefalse\a\v\f\b\n\r\t";
+$charlist = array (
+  2,
+  array(5,6,7),
+  "a",
+  "\0",
+  "\n",
+  "\r",
+  "\t",
+  "\a",
+  "\v",
+  "\b",
+  "\f"
+);
+/* loop prints string with backslashes before characters
+   mentioned in $char using addcslashes() */
+$counter = 1;
+foreach($charlist as $char) {
+  echo "-- Iteration $counter --\n";
+  try {
+    var_dump( addcslashes($string, $char) );
+  } catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+  }
+  $counter++;
+}
+
+echo "Done\n";
+
+?>
+--EXPECTF--
+*** Testing addcslashes() for basic operations ***
+-- Iteration 1 --
+string(37) "goodyear1\2345NULL%0truefalse\a\b
+
	"
+-- Iteration 2 --
+addcslashes(): Argument #2 ($characters) must be of type string, array given
+-- Iteration 3 --
+string(39) "goodye\ar12345NULL%0truef\alse\\a\b
+
	"
+-- Iteration 4 --
+string(39) "goodyear12345NULL\000truefalse\a\b
+
	"
+-- Iteration 5 --
+string(37) "goodyear12345NULL%0truefalse\a\b\n
	"
+-- Iteration 6 --
+string(37) "goodyear12345NULL%0truefalse\a\b
+\r	"
+-- Iteration 7 --
+string(37) "goodyear12345NULL%0truefalse\a\b
+
\t"
+-- Iteration 8 --
+string(41) "goodye\ar12345NULL%0truef\alse\\\a\\b
+
	"
+-- Iteration 9 --
+string(37) "goodyear12345NULL%0truefalse\a\v\b
+
	"
+-- Iteration 10 --
+string(39) "goodyear12345NULL%0truefalse\\a\\\b
+
	"
+-- Iteration 11 --
+string(37) "goodyear12345NULL%0truefalse\a\f\b
+
	"
+Done
diff --git a/tests/std/strings/addcslashes_002.phpt b/tests/std/strings/addcslashes_002.phpt
new file mode 100644
index 00000000..c1931cb0
--- /dev/null
+++ b/tests/std/strings/addcslashes_002.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test addcslashes() function (variation 2)
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+
+$string = "goodyear12345NULL\0truefalse\a\v\f\b\n\r\t";
+/* charlist "\0..\37" would escape all characters with ASCII code between 0 and 31 */
+echo "\n*** Testing addcslashes() with ASCII code between 0 and 31 ***\n";
+var_dump( addcslashes($string, "\0..\37") );
+
+/* Checking OBJECTS type */
+echo "\n*** Testing addcslashes() with objects ***\n";
+class string1
+{
+  public function __toString() {
+    return "Object";
+  }
+}
+$obj = new string1;
+var_dump( addcslashes($obj, "b") );
+
+echo "Done\n";
+
+?>
+--EXPECT--
+*** Testing addcslashes() with ASCII code between 0 and 31 ***
+string(44) "goodyear12345NULL\000truefalse\a\v\f\b\n\r\t"
+
+*** Testing addcslashes() with objects ***
+string(7) "O\bject"
+Done
diff --git a/tests/std/strings/addcslashes_003.phpt b/tests/std/strings/addcslashes_003.phpt
new file mode 100644
index 00000000..8abcb358
--- /dev/null
+++ b/tests/std/strings/addcslashes_003.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test addcslashes() function (variation 3)
+--INI--
+precision=14
+--FILE--
+<?php
+
+/* Miscellaneous input */
+echo "\n*** Testing addcslashes() with miscellaneous input arguments ***\n";
+var_dump( addcslashes("", "") );
+var_dump( addcslashes("", "burp") );
+var_dump( addcslashes("kaboemkara!", "") );
+var_dump( addcslashes("foobarbaz", 'bar') );
+var_dump( addcslashes('foo[ ]', 'A..z') );
+var_dump( @addcslashes("zoo['.']", 'z..A') );
+var_dump( addcslashes('abcdefghijklmnopqrstuvwxyz', "a\145..\160z") );
+var_dump( addcslashes( 123, 123 ) );
+var_dump( addcslashes( 0, 0 ) );
+var_dump( addcslashes( "\0" , 0 ) );
+var_dump( addcslashes( -1.234578, 3 ) );
+var_dump( addcslashes( " ", " ") );
+var_dump( addcslashes( "string\x00with\x00NULL", "\0") );
+
+echo "Done\n";
+
+?>
+--EXPECTF--
+*** Testing addcslashes() with miscellaneous input arguments ***
+string(0) ""
+string(0) ""
+string(11) "kaboemkara!"
+string(14) "foo\b\a\r\b\az"
+string(11) "\f\o\o\[ \]"
+string(10) "\zoo['\.']"
+string(40) "\abcd\e\f\g\h\i\j\k\l\m\n\o\pqrstuvwxy\z"
+string(6) "\1\2\3"
+string(2) "\0"
+string(1) "%0"
+string(10) "-1.2\34578"
+string(2) "\ "
+string(22) "string\000with\000NULL"
+Done
diff --git a/tests/std/strings/addcslashes_005.phpt b/tests/std/strings/addcslashes_005.phpt
new file mode 100644
index 00000000..15b7f7d9
--- /dev/null
+++ b/tests/std/strings/addcslashes_005.phpt
@@ -0,0 +1,16 @@
+--TEST--
+addcslashes(); function test with warning
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+ marcosptf - <marcosptf@yahoo.com.br>
+#phptestfest PHPSP on Google - Sao Paulo - Brazil - 2014-06-05
+--FILE--
+<?php
+echo addcslashes("zoo['.']","z..A");
+?>
+--EXPECTF--
+Warning: addcslashes(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d
+\zoo['\.']
diff --git a/tests/std/strings/addslashes_basic.phpt b/tests/std/strings/addslashes_basic.phpt
new file mode 100644
index 00000000..41bb25ca
--- /dev/null
+++ b/tests/std/strings/addslashes_basic.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Test addslashes() function : basic functionality
+--FILE--
+<?php
+/*
+ * Testing addslashes() with strings containing characters that can be prefixed with backslash
+ * by the function
+*/
+
+echo "*** Testing addslashes() : basic functionality ***\n";
+
+// Initialize all required variables
+$str_array = array( "How's everybody",   // string containing single quote
+                    'Are you "JOHN"?',   // string with double quotes
+                    'c:\php\addslashes',   // string with backslashes
+                    "hello\0world"   // string with nul character
+                  );
+
+// Calling addslashes() with all arguments
+foreach( $str_array as $str )  {
+  var_dump( addslashes($str) );
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing addslashes() : basic functionality ***
+string(16) "How\'s everybody"
+string(17) "Are you \"JOHN\"?"
+string(19) "c:\\php\\addslashes"
+string(12) "hello\0world"
+Done
diff --git a/tests/std/strings/addslashes_variation2.phpt b/tests/std/strings/addslashes_variation2.phpt
new file mode 100644
index 00000000..e5cb60a4
--- /dev/null
+++ b/tests/std/strings/addslashes_variation2.phpt
@@ -0,0 +1,189 @@
+--TEST--
+Test addslashes() function : usage variations - strings with characters to be backslashed
+--FILE--
+<?php
+/*
+ * Test addslashes() with various strings containing characters that can be backslashed
+*/
+
+echo "*** Testing addslashes() : with various strings containing characters to be backslashed ***\n";
+
+// initialising a heredoc string
+$heredoc_string = <<<EOT
+This is line 1 of 'heredoc' string
+This is line 2 of "heredoc" string
+EOT;
+
+$heredoc_null_string =<<<EOT
+EOT;
+
+// initialising the string array
+
+$str_array = array(
+                    // string without any characters that can be backslashed
+                    'Hello world',
+
+                    // string with single quotes
+                    "how're you doing?",
+                    "don't disturb u'r neighbours",
+                    "don't disturb u'r neighbours''",
+                    '',
+                    '\'',
+                    "'",
+
+                    // string with double quotes
+                    'he said, "he will be on leave"',
+                    'he said, ""he will be on leave"',
+                    '"""PHP"""',
+                    "",
+                    "\"",
+                    '"',
+            "hello\"",
+
+                    // string with backslash characters
+                    'Is your name Ram\Krishna?',
+                    '\\0.0.0.0',
+                    'c:\php\testcase\addslashes',
+                    '\\',
+
+                    // string with nul characters
+                    'hello'.chr(0).'world',
+                    chr(0).'hello'.chr(0),
+                    chr(0).chr(0).'hello',
+                    chr(0),
+
+                    // mixed strings
+                    "'\\0.0.0.0'",
+                    "'\\0.0.0.0'".chr(0),
+                    chr(0)."'c:\php\'",
+                    '"\\0.0.0.0"',
+                    '"c:\php\"'.chr(0)."'",
+                    '"hello"'."'world'".chr(0).'//',
+
+            // string with hexadecimal number
+                    "0xABCDEF0123456789",
+                    "\x00",
+                    '!@#$%&*@$%#&/;:,<>',
+                    "hello\x00world",
+
+                    // heredoc strings
+                    $heredoc_string,
+                    $heredoc_null_string
+                  );
+
+$count = 1;
+// looping to test for all strings in $str_array
+foreach( $str_array as $str )  {
+  echo "\n-- Iteration $count --\n";
+  var_dump( addslashes($str) );
+  $count ++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing addslashes() : with various strings containing characters to be backslashed ***
+
+-- Iteration 1 --
+string(11) "Hello world"
+
+-- Iteration 2 --
+string(18) "how\'re you doing?"
+
+-- Iteration 3 --
+string(30) "don\'t disturb u\'r neighbours"
+
+-- Iteration 4 --
+string(34) "don\'t disturb u\'r neighbours\'\'"
+
+-- Iteration 5 --
+string(0) ""
+
+-- Iteration 6 --
+string(2) "\'"
+
+-- Iteration 7 --
+string(2) "\'"
+
+-- Iteration 8 --
+string(32) "he said, \"he will be on leave\""
+
+-- Iteration 9 --
+string(34) "he said, \"\"he will be on leave\""
+
+-- Iteration 10 --
+string(15) "\"\"\"PHP\"\"\""
+
+-- Iteration 11 --
+string(0) ""
+
+-- Iteration 12 --
+string(2) "\""
+
+-- Iteration 13 --
+string(2) "\""
+
+-- Iteration 14 --
+string(7) "hello\""
+
+-- Iteration 15 --
+string(26) "Is your name Ram\\Krishna?"
+
+-- Iteration 16 --
+string(9) "\\0.0.0.0"
+
+-- Iteration 17 --
+string(29) "c:\\php\\testcase\\addslashes"
+
+-- Iteration 18 --
+string(2) "\\"
+
+-- Iteration 19 --
+string(12) "hello\0world"
+
+-- Iteration 20 --
+string(9) "\0hello\0"
+
+-- Iteration 21 --
+string(9) "\0\0hello"
+
+-- Iteration 22 --
+string(2) "\0"
+
+-- Iteration 23 --
+string(13) "\'\\0.0.0.0\'"
+
+-- Iteration 24 --
+string(15) "\'\\0.0.0.0\'\0"
+
+-- Iteration 25 --
+string(15) "\0\'c:\\php\\\'"
+
+-- Iteration 26 --
+string(13) "\"\\0.0.0.0\""
+
+-- Iteration 27 --
+string(17) "\"c:\\php\\\"\0\'"
+
+-- Iteration 28 --
+string(22) "\"hello\"\'world\'\0//"
+
+-- Iteration 29 --
+string(18) "0xABCDEF0123456789"
+
+-- Iteration 30 --
+string(2) "\0"
+
+-- Iteration 31 --
+string(18) "!@#$%&*@$%#&/;:,<>"
+
+-- Iteration 32 --
+string(12) "hello\0world"
+
+-- Iteration 33 --
+string(7%d) "This is line 1 of \'heredoc\' string
+This is line 2 of \"heredoc\" string"
+
+-- Iteration 34 --
+string(0) ""
+Done
diff --git a/tests/std/strings/basename.phpt b/tests/std/strings/basename.phpt
new file mode 100644
index 00000000..303aa6c2
--- /dev/null
+++ b/tests/std/strings/basename.phpt
@@ -0,0 +1,51 @@
+--TEST--
+basename() function
+--FILE--
+<?php
+    // simple checks
+    var_dump(basename("bar"));
+    var_dump(basename("/foo/bar"));
+    var_dump(basename("/bar"));
+
+    // simple checks with trailing slashes
+    var_dump(basename("bar/"));
+    var_dump(basename("/foo/bar/"));
+    var_dump(basename("/bar/"));
+
+    // suffix removal checks
+    var_dump(basename("bar.gz", ".gz"));
+    var_dump(basename("/foo/bar.gz", ".gz"));
+    var_dump(basename("/bar.gz", ".gz"));
+
+    // suffix removal checks with trailing slashes
+    var_dump(basename("bar.gz/", ".gz"));
+    var_dump(basename("/foo/bar.gz/", ".gz"));
+    var_dump(basename("/bar.gz/", ".gz"));
+
+    // suffix removal checks
+    var_dump(basename("/.gz", ".gz"));
+    var_dump(basename("/foo/.gz", ".gz"));
+    var_dump(basename("/.gz", ".gz"));
+
+    // binary safe?
+    var_dump(basename("foo".chr(0)."bar"));
+    var_dump(basename("foo".chr(0)."bar.gz", ".gz"));
+?>
+--EXPECTF--
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) "bar"
+string(3) ".gz"
+string(3) ".gz"
+string(3) ".gz"
+string(7) "foo%0bar"
+string(7) "foo%0bar"
diff --git a/tests/std/strings/basename_basic.phpt b/tests/std/strings/basename_basic.phpt
new file mode 100644
index 00000000..9bd97e4b
--- /dev/null
+++ b/tests/std/strings/basename_basic.phpt
@@ -0,0 +1,172 @@
+--TEST--
+Test basename() function : basic functionality
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+$file_paths = array (
+  /* simple paths */
+  array("bar"),
+  array("/foo/bar"),
+  array("foo/bar"),
+  array("/bar"),
+
+  /* simple paths with trailing slashes */
+  array("bar/"),
+  array("/bar/"),
+  array("/foo/bar/"),
+  array("foo/bar/"),
+  array("/bar/"),
+
+  /* paths with suffix removal */
+  array("bar.gz", ".gz"),
+  array("bar.gz", "bar.gz"),
+  array("/foo/bar.gz", ".gz"),
+  array("foo/bar.gz", ".gz"),
+  array("/bar.gz", ".gz"),
+
+  /* paths with suffix and trailing slashes with suffix removal*/
+  array("bar.gz/", ".gz"),
+  array("/bar.gz/", ".gz"),
+  array("/foo/bar.gz/", ".gz"),
+  array("foo/bar.gz/", ".gz"),
+  array("/bar.gz/", ".gz"),
+
+  /* paths with basename only suffix, with suffix removal*/
+  array("/.gz", ".gz"),
+  array(".gz", ".gz"),
+  array("/foo/.gz", ".gz"),
+
+  /* paths with basename only suffix & trailing slashes, with suffix removal*/
+  array(".gz/", ".gz"),
+  array("/foo/.gz/", ".gz"),
+  array("foo/.gz/", ".gz"),
+
+  /* paths with binary value to check if the function is binary safe*/
+  array("foo".chr(0)."bar"),
+  array("/foo".chr(0)."bar"),
+  array("/foo".chr(0)."bar/"),
+  array("foo".chr(0)."bar/"),
+  array("foo".chr(0)."bar/test"),
+  array("/foo".chr(0)."bar/bar.gz", ".gz"),
+  array("/foo".chr(0)."bar/bar.gz")
+);
+
+function check_basename( $path_arrays ) {
+   $loop_counter = 1;
+   foreach ($path_arrays as $path) {
+     echo "\n--Iteration $loop_counter--\n"; $loop_counter++;
+     if( 1 == count($path) ) { // no suffix provided
+       var_dump( basename($path[0]) );
+     } else { // path as well as suffix provided,
+       var_dump( basename($path[0], $path[1]) );
+     }
+   }
+}
+
+echo "*** Testing basic operations ***\n";
+check_basename( $file_paths );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing basic operations ***
+
+--Iteration 1--
+string(3) "bar"
+
+--Iteration 2--
+string(3) "bar"
+
+--Iteration 3--
+string(3) "bar"
+
+--Iteration 4--
+string(3) "bar"
+
+--Iteration 5--
+string(3) "bar"
+
+--Iteration 6--
+string(3) "bar"
+
+--Iteration 7--
+string(3) "bar"
+
+--Iteration 8--
+string(3) "bar"
+
+--Iteration 9--
+string(3) "bar"
+
+--Iteration 10--
+string(3) "bar"
+
+--Iteration 11--
+string(6) "bar.gz"
+
+--Iteration 12--
+string(3) "bar"
+
+--Iteration 13--
+string(3) "bar"
+
+--Iteration 14--
+string(3) "bar"
+
+--Iteration 15--
+string(3) "bar"
+
+--Iteration 16--
+string(3) "bar"
+
+--Iteration 17--
+string(3) "bar"
+
+--Iteration 18--
+string(3) "bar"
+
+--Iteration 19--
+string(3) "bar"
+
+--Iteration 20--
+string(3) ".gz"
+
+--Iteration 21--
+string(3) ".gz"
+
+--Iteration 22--
+string(3) ".gz"
+
+--Iteration 23--
+string(3) ".gz"
+
+--Iteration 24--
+string(3) ".gz"
+
+--Iteration 25--
+string(3) ".gz"
+
+--Iteration 26--
+string(7) "foo%0bar"
+
+--Iteration 27--
+string(7) "foo%0bar"
+
+--Iteration 28--
+string(7) "foo%0bar"
+
+--Iteration 29--
+string(7) "foo%0bar"
+
+--Iteration 30--
+string(4) "test"
+
+--Iteration 31--
+string(3) "bar"
+
+--Iteration 32--
+string(6) "bar.gz"
+Done
diff --git a/tests/std/strings/basename_invalid_path.phpt b/tests/std/strings/basename_invalid_path.phpt
new file mode 100644
index 00000000..9ed81baf
--- /dev/null
+++ b/tests/std/strings/basename_invalid_path.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Test basename() function : usage variations with invalid paths
+--SKIPIF--
+<?php
+if((substr(PHP_OS, 0, 3) == "WIN"))
+  die('skip not for Windows"');
+?>
+--FILE--
+<?php
+setlocale(LC_CTYPE, "C");
+var_dump(bin2hex(basename("\xff")));
+var_dump(bin2hex(basename("a\xffb")));
+
+echo "Done\n";
+?>
+--EXPECT--
+string(2) "ff"
+string(6) "61ff62"
+Done
diff --git a/tests/std/strings/basename_invalid_path_win.phpt b/tests/std/strings/basename_invalid_path_win.phpt
new file mode 100644
index 00000000..9179f534
--- /dev/null
+++ b/tests/std/strings/basename_invalid_path_win.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Test basename() function : usage variations with invalid paths
+--SKIPIF--
+<?php
+if((substr(PHP_OS, 0, 3) != "WIN"))
+  die('skip Run only on Windows"');
+?>
+--FILE--
+<?php
+var_dump(basename("\377"));
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(1) "%c"
+Done
diff --git a/tests/std/strings/basename_variation.phpt b/tests/std/strings/basename_variation.phpt
new file mode 100644
index 00000000..42a6eb72
--- /dev/null
+++ b/tests/std/strings/basename_variation.phpt
@@ -0,0 +1,214 @@
+--TEST--
+Test basename() function : usage variations
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+$file_path_variations = array (
+  /* paths with shortcut home dir char, with suffix variation */
+  array("~/home/user/bar"),
+  array("~/home/user/bar", ""),
+  array("~/home/user/bar", ' '),
+  array("~/home/user/bar.tar", ".tar"),
+  array("~/home/user/bar.tar", "~"),
+  array("~/home/user/bar.tar/", "~"),
+  array("~/home/user/bar.tar/", ""),
+  array("~/home/user/bar.tar", ''),
+  array("~/home/user/bar.tar", " "),
+
+  /* paths with hostname:dir notation, with suffix variation */
+  array("hostname:/home/usr/bar.tar"),
+  array("hostname:/home/user/bar.tar", "home"),
+  array("hostname:/home/user/tbar.gz", "bar.gz"),
+  array("hostname:/home/user/tbar.gz", "/bar.gz"),
+  array("hostname:/home/user/tbar.gz", "/bar.gz/"),
+  array("hostname:/home/user/tbar.gz/", "/bar.gz/"),
+  array("hostname:/home/user/tbar.gz/", "/bar.gz/"),
+  array("hostname:/home/user/My Pics.gz/", "/bar.gz/"),
+  array("hostname:/home/user/My Pics.gz/", "Pics.gz/"),
+  array("hostname:/home/user/My Pics.gz/", "Pics.gz"),
+  array("hostname:/home/user/My Pics.gz/", ".gz"),
+  array("hostname:/home/user/My Pics.gz/"),
+  array("hostname:/home/user/My Pics.gz/", ' '),
+  array("hostname:/home/user/My Pics.gz/", ''),
+  array("hostname:/home/user/My Pics.gz/", "My Pics.gz"),
+
+  /* paths with numeirc strings */
+  array("10.5"),
+  array("10.5", ".5"),
+  array("10.5", "10.5"),
+  array("10"),
+  array("105", "5"),
+  array("/10.5"),
+  array("10.5/"),
+  array("10/10.gz"),
+  array("0"),
+  array('0'),
+
+  /* paths and suffix given as same */
+  array("bar.gz", "bar.gz"),
+  array("/bar.gz", "/bar.gz"),
+  array("/bar.gz/", "/bar.gz/"),
+  array(" ", " "),
+  array(' ', ' '),
+
+  /* path with spaces */
+  array(" "),
+  array(' '),
+
+  /* empty paths */
+  array(""),
+  array(''),
+);
+
+function check_basename( $path_arrays ) {
+   $loop_counter = 1;
+   foreach ($path_arrays as $path) {
+     echo "\n--Iteration $loop_counter--\n"; $loop_counter++;
+     if( 1 == count($path) ) { // no suffix provided
+       var_dump( basename($path[0]) );
+     } else { // path as well as suffix provided,
+       var_dump( basename($path[0], $path[1]) );
+     }
+   }
+}
+
+echo "*** Testing possible variations in path and suffix ***\n";
+check_basename( $file_path_variations );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing possible variations in path and suffix ***
+
+--Iteration 1--
+string(3) "bar"
+
+--Iteration 2--
+string(3) "bar"
+
+--Iteration 3--
+string(3) "bar"
+
+--Iteration 4--
+string(3) "bar"
+
+--Iteration 5--
+string(7) "bar.tar"
+
+--Iteration 6--
+string(7) "bar.tar"
+
+--Iteration 7--
+string(7) "bar.tar"
+
+--Iteration 8--
+string(7) "bar.tar"
+
+--Iteration 9--
+string(7) "bar.tar"
+
+--Iteration 10--
+string(7) "bar.tar"
+
+--Iteration 11--
+string(7) "bar.tar"
+
+--Iteration 12--
+string(1) "t"
+
+--Iteration 13--
+string(7) "tbar.gz"
+
+--Iteration 14--
+string(7) "tbar.gz"
+
+--Iteration 15--
+string(7) "tbar.gz"
+
+--Iteration 16--
+string(7) "tbar.gz"
+
+--Iteration 17--
+string(10) "My Pics.gz"
+
+--Iteration 18--
+string(10) "My Pics.gz"
+
+--Iteration 19--
+string(3) "My "
+
+--Iteration 20--
+string(7) "My Pics"
+
+--Iteration 21--
+string(10) "My Pics.gz"
+
+--Iteration 22--
+string(10) "My Pics.gz"
+
+--Iteration 23--
+string(10) "My Pics.gz"
+
+--Iteration 24--
+string(10) "My Pics.gz"
+
+--Iteration 25--
+string(4) "10.5"
+
+--Iteration 26--
+string(2) "10"
+
+--Iteration 27--
+string(4) "10.5"
+
+--Iteration 28--
+string(2) "10"
+
+--Iteration 29--
+string(2) "10"
+
+--Iteration 30--
+string(4) "10.5"
+
+--Iteration 31--
+string(4) "10.5"
+
+--Iteration 32--
+string(5) "10.gz"
+
+--Iteration 33--
+string(1) "0"
+
+--Iteration 34--
+string(1) "0"
+
+--Iteration 35--
+string(6) "bar.gz"
+
+--Iteration 36--
+string(6) "bar.gz"
+
+--Iteration 37--
+string(6) "bar.gz"
+
+--Iteration 38--
+string(1) " "
+
+--Iteration 39--
+string(1) " "
+
+--Iteration 40--
+string(1) " "
+
+--Iteration 41--
+string(1) " "
+
+--Iteration 42--
+string(0) ""
+
+--Iteration 43--
+string(0) ""
+Done
diff --git a/tests/std/strings/bin2hex.phpt b/tests/std/strings/bin2hex.phpt
new file mode 100644
index 00000000..dbc440c0
--- /dev/null
+++ b/tests/std/strings/bin2hex.phpt
@@ -0,0 +1,14 @@
+--TEST--
+bin2hex() function
+--FILE--
+<?php
+$s = '';
+for($i=0; $i<256; $i++) {
+    $s .= chr($i);
+}
+echo bin2hex($s)."\n";
+echo bin2hex("abc")."\n";
+?>
+--EXPECT--
+000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
+616263
diff --git a/tests/std/strings/bin2hex_001.phpt b/tests/std/strings/bin2hex_001.phpt
new file mode 100644
index 00000000..e73500a3
--- /dev/null
+++ b/tests/std/strings/bin2hex_001.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bin2hex(); function test
+--CREDITS--
+marcosptf - <marcosptf@yahoo.com.br>
+#phptestfest PHPSP on Google - Sao Paulo - Brazil - 2014-06-05
+--FILE--
+<?php
+echo bin2hex("123456");
+?>
+--EXPECT--
+313233343536
diff --git a/tests/std/strings/bin2hex_basic.phpt b/tests/std/strings/bin2hex_basic.phpt
new file mode 100644
index 00000000..b3975885
--- /dev/null
+++ b/tests/std/strings/bin2hex_basic.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test bin2hex() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing bin2hex() : basic functionality ***\n";
+
+// array with different values for $string
+$strings =  array (
+
+          //double quoted strings
+/*1*/	  "Here is a simple string",
+          "\t This String contains \t\t some control characters\r\n",
+          "\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+
+           //single quoted strings
+/*4*/	  'Here is a simple string',
+          '\t This String contains \t\t some control characters\r\n',
+          '\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f',
+);
+
+// loop through with each element of the $strings array to test bin2hex() function
+$count = 1;
+foreach($strings as $string) {
+  echo "-- Iteration $count --\n";
+  var_dump(bin2hex($string));
+  $count ++;
+}
+?>
+--EXPECT--
+*** Testing bin2hex() : basic functionality ***
+-- Iteration 1 --
+string(46) "4865726520697320612073696d706c6520737472696e67"
+-- Iteration 2 --
+string(102) "09205468697320537472696e6720636f6e7461696e7320090920736f6d6520636f6e74726f6c20636861726163746572730d0a"
+-- Iteration 3 --
+string(36) "9091009394909195969798999a9b9c9d9e9f"
+-- Iteration 4 --
+string(46) "4865726520697320612073696d706c6520737472696e67"
+-- Iteration 5 --
+string(112) "5c74205468697320537472696e6720636f6e7461696e73205c745c7420736f6d6520636f6e74726f6c20636861726163746572735c725c6e"
+-- Iteration 6 --
+string(144) "5c7839305c7839315c7830305c7839335c7839345c7839305c7839315c7839355c7839365c7839375c7839385c7839395c7839615c7839625c7839635c7839645c7839655c783966"
diff --git a/tests/std/strings/bug20108.phpt b/tests/std/strings/bug20108.phpt
new file mode 100644
index 00000000..e0be12b2
--- /dev/null
+++ b/tests/std/strings/bug20108.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #20108 (Segfault on printf statement)
+--FILE--
+<?php
+    $a = "boo";
+    $z = sprintf("%580.58s\n", $a);
+    var_dump($z);
+?>
+--EXPECT--
+string(581) "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 boo
+"
diff --git a/tests/std/strings/bug20169.phpt b/tests/std/strings/bug20169.phpt
new file mode 100644
index 00000000..fd5de0ee
--- /dev/null
+++ b/tests/std/strings/bug20169.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #20169 (implode() clobbers first argument)
+--FILE--
+<?php
+    @set_time_limit(5);
+    $delimiter = "|";
+
+    echo "delimiter: $delimiter\n";
+    implode($delimiter, array("foo", "bar"));
+    echo "delimiter: $delimiter\n";
+?>
+--EXPECT--
+delimiter: |
+delimiter: |
diff --git a/tests/std/strings/bug20261.phpt b/tests/std/strings/bug20261.phpt
new file mode 100644
index 00000000..3c03afb4
--- /dev/null
+++ b/tests/std/strings/bug20261.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #20261 (str_rot13() changes too much)
+--FILE--
+<?php
+ $first = "boo";
+ $second = $first;
+ $rot = "";
+
+ echo "1: ".$first."\n";
+ echo "2: ".$second."\n";
+ echo "3: ".$rot."\n";
+
+ $rot = str_rot13($second);
+
+ echo "1: ".$first."\n";
+ echo "2: ".$second."\n";
+ echo "3: ".$rot."\n";
+?>
+--EXPECT--
+1: boo
+2: boo
+3: 
+1: boo
+2: boo
+3: obb
diff --git a/tests/std/strings/bug20927.phpt b/tests/std/strings/bug20927.phpt
new file mode 100644
index 00000000..7575f2af
--- /dev/null
+++ b/tests/std/strings/bug20927.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #20927 (Segfault on wordwrap statement)
+--FILE--
+<?php
+$string		= str_repeat("1234567890 X ", 10);
+$break		= str_repeat("a-very-long-break-string-to-clobber-the-heap", 8);
+$linelength	= 10;
+
+echo "Length of original string:  ".strlen($string)."\n";
+echo "Length of break string:     ".strlen($break)."\n";
+
+var_dump(wordwrap($string, $linelength, $break, 1));
+?>
+--EXPECT--
+Length of original string:  130
+Length of break string:     352
+string(6799) "1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapXa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heap1234567890a-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapa-very-long-break-string-to-clobber-the-heapX "
diff --git a/tests/std/strings/bug20934.phpt b/tests/std/strings/bug20934.phpt
new file mode 100644
index 00000000..e068d2a6
--- /dev/null
+++ b/tests/std/strings/bug20934.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #20934 (htmlspecialchars returns latin1 from UTF-8)
+--FILE--
+<?php
+$str = "\xc3\xa0\xc3\xa1";
+echo bin2hex($str), "\n";
+echo bin2hex(htmlspecialchars($str, ENT_COMPAT, "UTF-8")), "\n";
+?>
+--EXPECTF--
+c3a0c3a1
+c3a0c3a1
diff --git a/tests/std/strings/bug21338.phpt b/tests/std/strings/bug21338.phpt
new file mode 100644
index 00000000..2809d430
--- /dev/null
+++ b/tests/std/strings/bug21338.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #20934 (html_entity_decode() crash when "" is passed)
+--FILE--
+<?php
+var_dump(html_entity_decode(""));
+?>
+--EXPECT--
+string(0) ""
diff --git a/tests/std/strings/bug21453.phpt b/tests/std/strings/bug21453.phpt
new file mode 100644
index 00000000..cf563dfa
--- /dev/null
+++ b/tests/std/strings/bug21453.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Bug #21453 (handling of non-encoded <)
+--FILE--
+<?php
+$test = "
+<table>
+    <tr><td>first cell before < first cell after</td></tr>
+    <tr><td>second cell before < second cell after</td></tr>
+</table>";
+
+var_dump(strip_tags($test));
+?>
+--EXPECTF--
+string(8%d) "
+
+    first cell before < first cell after
+    second cell before < second cell after
+"
diff --git a/tests/std/strings/bug21730.phpt b/tests/std/strings/bug21730.phpt
new file mode 100644
index 00000000..5d305243
--- /dev/null
+++ b/tests/std/strings/bug21730.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Bug #21730 (*scanf "%n" conversion flag gives string instead of integer)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$foo = "ABC = DEF";
+$fmt = "%s = %s %n";
+$res_a = array();
+
+/* $res_a[2] is supposed to be a integer value that
+ * represents the number of characters consumed so far
+ */
+sscanf($foo, $fmt, $res_a[0], $res_a[1], $res_a[2]);
+
+$res_b = sscanf($foo, $fmt);
+
+var_dump($res_a);
+var_dump($res_b);
+?>
+--EXPECT--
+array(3) {
+  [0]=>
+  string(3) "ABC"
+  [1]=>
+  string(3) "DEF"
+  [2]=>
+  int(9)
+}
+array(3) {
+  [0]=>
+  string(3) "ABC"
+  [1]=>
+  string(3) "DEF"
+  [2]=>
+  int(9)
+}
diff --git a/tests/std/strings/bug21744.phpt b/tests/std/strings/bug21744.phpt
new file mode 100644
index 00000000..925dac3f
--- /dev/null
+++ b/tests/std/strings/bug21744.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #21744 (strip_tags misses exclamation marks in alt text)
+--FILE--
+<?php
+$test = <<< HERE
+<a href="test?test\\!!!test">test</a>
+<!-- test -->
+HERE;
+
+print strip_tags($test, '');
+print strip_tags($test, '<a>');
+?>
+--EXPECT--
+test
+<a href="test?test\!!!test">test</a>
diff --git a/tests/std/strings/bug22008.phpt b/tests/std/strings/bug22008.phpt
new file mode 100644
index 00000000..0965337e
--- /dev/null
+++ b/tests/std/strings/bug22008.phpt
@@ -0,0 +1,24 @@
+--TEST--
+Bug #22008 (strip_tags() eliminates too much)
+--FILE--
+<?php
+$html = <<< HERE
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+<title>test</title>
+</head>
+<body>
+<b>PHP!</b>
+</body>
+</html>
+
+HERE;
+
+echo trim(strip_tags($html, '<b>'))."\n";
+?>
+--EXPECT--
+test
+
+
+<b>PHP!</b>
diff --git a/tests/std/strings/bug22187.phpt b/tests/std/strings/bug22187.phpt
new file mode 100644
index 00000000..9b77569b
--- /dev/null
+++ b/tests/std/strings/bug22187.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #22187 (possible crash in number_format() function)
+--FILE--
+<?php
+    var_dump(number_format(0.0001, 1));
+    var_dump(number_format(0.0001, 0));
+?>
+--EXPECT--
+string(3) "0.0"
+string(1) "0"
diff --git a/tests/std/strings/bug22207.phpt b/tests/std/strings/bug22207.phpt
new file mode 100644
index 00000000..eddfa942
--- /dev/null
+++ b/tests/std/strings/bug22207.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #22207 (missing 0 when using the e notation in *printf functions)
+--FILE--
+<?php
+    printf("%10.5e\n", 1.1);
+    var_dump(sprintf("%10.5e\n", 1.1));
+?>
+--EXPECT--
+1.10000e+0
+string(11) "1.10000e+0
+"
diff --git a/tests/std/strings/bug22224.phpt b/tests/std/strings/bug22224.phpt
new file mode 100644
index 00000000..7a14cd2a
--- /dev/null
+++ b/tests/std/strings/bug22224.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Bug #22224 (implode changes object references in array)
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--INI--
+error_reporting=0
+--FILE--
+<?php
+class foo
+{
+    function __toString()
+    {
+        return "Object";
+    }
+}
+
+
+$a = new foo();
+
+$arr = array(0=>&$a, 1=>&$a);
+var_dump(implode(",",$arr));
+var_dump($arr)
+?>
+--EXPECTF--
+string(13) "Object,Object"
+array(2) {
+  [0]=>
+  &object(foo)#%d (0) {
+  }
+  [1]=>
+  &object(foo)#%d (0) {
+  }
+}
diff --git a/tests/std/strings/bug22227.phpt b/tests/std/strings/bug22227.phpt
new file mode 100644
index 00000000..eb980f98
--- /dev/null
+++ b/tests/std/strings/bug22227.phpt
@@ -0,0 +1,9 @@
+--TEST--
+Bug #22227 (printf() field limiters broke between 4.2.3 and 4.3.0)
+--FILE--
+<?php
+printf("%-3.3s", "abcdef");
+print "\n";
+?>
+--EXPECT--
+abc
diff --git a/tests/std/strings/bug23650.phpt b/tests/std/strings/bug23650.phpt
new file mode 100644
index 00000000..79502314
--- /dev/null
+++ b/tests/std/strings/bug23650.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Bug #23650 (strip_tags() removes hyphens)
+--FILE--
+<?php
+$str = <<< HERE
+1:<!-- abc -  -->
+2:<!doctype -- >
+3:
+4:<abc - def>
+5:abc - def
+6:</abc>
+
+HERE;
+
+echo strip_tags($str);
+echo strip_tags($str, '<abc>');
+?>
+--EXPECT--
+1:
+2:
+3:
+4:
+5:abc - def
+6:
+1:
+2:
+3:
+4:<abc - def>
+5:abc - def
+6:</abc>
diff --git a/tests/std/strings/bug23894_32bit.phpt b/tests/std/strings/bug23894_32bit.phpt
new file mode 100644
index 00000000..d2d33f8e
--- /dev/null
+++ b/tests/std/strings/bug23894_32bit.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #23894 (sprintf() decimal specifiers problem) 32bit version
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+$a = -12.3456;
+$test = sprintf("%04d", $a);
+var_dump($test, bin2hex($test));
+$test = sprintf("% 13u", $a);
+var_dump($test, bin2hex($test));
+?>
+--EXPECT--
+string(4) "-012"
+string(8) "2d303132"
+string(13) "   4294967284"
+string(26) "20202034323934393637323834"
diff --git a/tests/std/strings/bug23894_64bit.phpt b/tests/std/strings/bug23894_64bit.phpt
new file mode 100644
index 00000000..3ae5ea66
--- /dev/null
+++ b/tests/std/strings/bug23894_64bit.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #23894 (sprintf() decimal specifiers problem) 64bit version
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+$a = -12.3456;
+$test = sprintf("%04d", $a);
+var_dump($test, bin2hex($test));
+$test = sprintf("% 13u", $a);
+var_dump($test, bin2hex($test));
+?>
+--EXPECT--
+string(4) "-012"
+string(8) "2d303132"
+string(20) "18446744073709551604"
+string(40) "3138343436373434303733373039353531363034"
diff --git a/tests/std/strings/bug24098.phpt b/tests/std/strings/bug24098.phpt
new file mode 100644
index 00000000..5ae998cf
--- /dev/null
+++ b/tests/std/strings/bug24098.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #24098 (pathinfo() crash)
+--FILE--
+<?php
+    var_dump(pathinfo("/dsds.asa"));
+?>
+--EXPECTF--
+array(4) {
+  ["dirname"]=>
+  string(1) "%e"
+  ["basename"]=>
+  string(8) "dsds.asa"
+  ["extension"]=>
+  string(3) "asa"
+  ["filename"]=>
+  string(4) "dsds"
+}
diff --git a/tests/std/strings/bug24281.phpt b/tests/std/strings/bug24281.phpt
new file mode 100644
index 00000000..66a30913
--- /dev/null
+++ b/tests/std/strings/bug24281.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #24281 (str_replace count not returned if variable wasn't initialized)
+--FILE--
+<?php
+$string = "He had had to have had it";
+$newstring = str_replace("had", "foo", $string, $count);
+print "$count changes were made.\n";
+$count = "foo";
+$newstring = str_replace("had", "foo", $string, $count);
+print "$count changes were made.\n";
+?>
+--EXPECT--
+3 changes were made.
+3 changes were made.
diff --git a/tests/std/strings/bug24312.phpt b/tests/std/strings/bug24312.phpt
new file mode 100644
index 00000000..fb1f494b
--- /dev/null
+++ b/tests/std/strings/bug24312.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Bug #24208 (base64_decode() not skipping 0xF0 - 0xFF)
+--FILE--
+<?php
+$data = str_repeat("a", 100);
+for ($i = 0xF0; $i < 0xFF + 1; $i++) {
+    $enc = chunk_split(base64_encode($data), 10, chr($i));
+    var_dump(base64_decode($enc));
+}
+?>
+--EXPECT--
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+string(100) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
diff --git a/tests/std/strings/bug25671.phpt b/tests/std/strings/bug25671.phpt
new file mode 100644
index 00000000..c564fac2
--- /dev/null
+++ b/tests/std/strings/bug25671.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #25671 (subarrays not copied correctly)
+--FILE--
+<?php
+  $arr = array(
+    "This is string one.",
+    "This is string two.",
+    array(
+        "This is another string.",
+        "This is a last string."),
+    "This is a last string.");
+
+  echo serialize(str_replace("string", "strung", $arr)) . "\n";
+  echo serialize(str_replace("string", "strung", $arr)) . "\n";
+  echo serialize(str_replace(" ", "", $arr)) . "\n";
+  echo serialize(str_replace(" ", "", $arr)) . "\n";
+?>
+--EXPECTF--
+Warning: Array to string conversion in %s on line %d
+a:4:{i:0;s:19:"This is strung one.";i:1;s:19:"This is strung two.";i:2;s:5:"Array";i:3;s:22:"This is a last strung.";}
+
+Warning: Array to string conversion in %s on line %d
+a:4:{i:0;s:19:"This is strung one.";i:1;s:19:"This is strung two.";i:2;s:5:"Array";i:3;s:22:"This is a last strung.";}
+
+Warning: Array to string conversion in %s on line %d
+a:4:{i:0;s:16:"Thisisstringone.";i:1;s:16:"Thisisstringtwo.";i:2;s:5:"Array";i:3;s:18:"Thisisalaststring.";}
+
+Warning: Array to string conversion in %s on line %d
+a:4:{i:0;s:16:"Thisisstringone.";i:1;s:16:"Thisisstringtwo.";i:2;s:5:"Array";i:3;s:18:"Thisisalaststring.";}
diff --git a/tests/std/strings/bug25707.phpt b/tests/std/strings/bug25707.phpt
new file mode 100644
index 00000000..4954fb1a
--- /dev/null
+++ b/tests/std/strings/bug25707.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #25707 (html_entity_decode over-decodes &amp;lt;)
+--FILE--
+<?php
+var_dump(html_entity_decode("&amp;lt;", ENT_COMPAT, 'ISO-8859-1'));
+var_dump(html_entity_decode("&amp;#38;", ENT_COMPAT, 'ISO-8859-1'));
+var_dump(html_entity_decode("&amp;#38;lt;", ENT_COMPAT, 'ISO-8859-1'));
+?>
+--EXPECT--
+string(4) "&lt;"
+string(5) "&#38;"
+string(8) "&#38;lt;"
diff --git a/tests/std/strings/bug26878.phpt b/tests/std/strings/bug26878.phpt
new file mode 100644
index 00000000..da6c0a2a
--- /dev/null
+++ b/tests/std/strings/bug26878.phpt
@@ -0,0 +1,9 @@
+--TEST--
+Bug #26878 (problem with multiple references to the same variable with different types)
+--FILE--
+<?php
+    printf('Int: %1$d and as string: %1$s', 'some string');
+    echo "\n";
+?>
+--EXPECT--
+Int: 0 and as string: some string
diff --git a/tests/std/strings/bug26973.phpt b/tests/std/strings/bug26973.phpt
new file mode 100644
index 00000000..9de3be49
--- /dev/null
+++ b/tests/std/strings/bug26973.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Bug #26973 (*printf() '+' modifier problem)
+--FILE--
+<?php
+
+printf("%+05d\n", 200);
+printf("%+05d\n", -200);
+printf("%+05f\n", 200);
+printf("%+05f\n", -200);
+printf("%+05u\n", 200);
+printf("%+05u\n", -200);
+echo "---\n";
+printf("%05d\n", 200);
+printf("%05d\n", -200);
+printf("%05f\n", 200);
+printf("%05f\n", -200);
+printf("%05u\n", 200);
+printf("%05u\n", -200);
+
+?>
+--EXPECTREGEX--
+\+0200
+\-0200
+\+200\.000000
+\-200\.000000
+00200
+(4294967096|18446744073709551416)
+---
+00200
+\-0200
+200\.000000
+\-200\.000000
+00200
+(4294967096|18446744073709551416)
diff --git a/tests/std/strings/bug27276.phpt b/tests/std/strings/bug27276.phpt
new file mode 100644
index 00000000..f27e1d56
--- /dev/null
+++ b/tests/std/strings/bug27276.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #27276 (str_replace tries to use obscene amounts of ram)
+--FILE--
+<?php
+ini_set("memory_limit", "12m");
+$replacement = str_repeat("x", 12444);
+$string = str_repeat("x", 9432);
+$key =    "{BLURPS}";
+
+str_replace($key, $replacement, $string);
+
+echo "Alive!\n";
+?>
+--EXPECT--
+Alive!
diff --git a/tests/std/strings/bug27278.phpt b/tests/std/strings/bug27278.phpt
new file mode 100644
index 00000000..27ebedd9
--- /dev/null
+++ b/tests/std/strings/bug27278.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #27278 (*printf() functions treat arguments as if passed by reference)
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+
+function foo ($a)
+{
+    $a=sprintf("%02d",$a);
+    var_dump($a);
+}
+
+$x="02";
+var_dump($x);
+foo($x);
+var_dump($x);
+
+?>
+--EXPECT--
+string(2) "02"
+string(2) "02"
+string(2) "02"
diff --git a/tests/std/strings/bug27295.phpt b/tests/std/strings/bug27295.phpt
new file mode 100644
index 00000000..08629216
--- /dev/null
+++ b/tests/std/strings/bug27295.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Bug #27295 (memory leak inside sscanf())
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$strings = array("foo = bar", "bar = foo");
+foreach( $strings as $string )
+{
+    sscanf( $string, "%s = %[^[]]", $var, $val );
+    echo "$var = $val\n";
+}
+?>
+--EXPECT--
+foo = bar
+bar = foo
diff --git a/tests/std/strings/bug27457.phpt b/tests/std/strings/bug27457.phpt
new file mode 100644
index 00000000..e9ac42e0
--- /dev/null
+++ b/tests/std/strings/bug27457.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Bug #27457 (Problem with strtr() and translation array)
+--FILE--
+<?php
+    $test = "Dot in brackets [.]\n";
+    echo $test;
+    $test = strtr($test, array('.' => '0'));
+    echo $test;
+    $test = strtr($test, array('0' => '.'));
+    echo $test;
+    $test = strtr($test, '.', '0');
+    echo $test;
+    $test = strtr($test, '0', '.');
+    echo $test;
+?>
+--EXPECT--
+Dot in brackets [.]
+Dot in brackets [0]
+Dot in brackets [.]
+Dot in brackets [0]
+Dot in brackets [.]
diff --git a/tests/std/strings/bug27675.phpt b/tests/std/strings/bug27675.phpt
new file mode 100644
index 00000000..a5d4294b
--- /dev/null
+++ b/tests/std/strings/bug27675.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #27675 (str_ireplace segfaults when shrinking string)
+--FILE--
+<?php
+echo str_ireplace('/*<B>', '<B>', '/*<b> I am a comment</b>*/');
+?>
+--EXPECT--
+<B> I am a comment</b>*/
diff --git a/tests/std/strings/bug28386.phpt b/tests/std/strings/bug28386.phpt
new file mode 100644
index 00000000..9c7c158b
--- /dev/null
+++ b/tests/std/strings/bug28386.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #28386 (wordwrap() wraps text 1 character too soon)
+--FILE--
+<?php
+$text = "Some text";
+$string = "$text $text $text $text";
+echo wordwrap($string, 9);
+?>
+--EXPECT--
+Some text
+Some text
+Some text
+Some text
diff --git a/tests/std/strings/bug28633.phpt b/tests/std/strings/bug28633.phpt
new file mode 100644
index 00000000..9dc83a40
--- /dev/null
+++ b/tests/std/strings/bug28633.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #28633 (sprintf incorrectly adding padding to floats)
+--FILE--
+<?php
+    echo sprintf("%05.2f", 0.02) . "\n";
+    echo sprintf("%05.2f", 2.02) . "\n";
+?>
+--EXPECT--
+00.02
+02.02
diff --git a/tests/std/strings/bug29075.phpt b/tests/std/strings/bug29075.phpt
new file mode 100644
index 00000000..63a4fdb0
--- /dev/null
+++ b/tests/std/strings/bug29075.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #29075 (strnatcmp() incorrectly handles whitespace)
+--FILE--
+<?php
+    var_dump(
+        strnatcmp('foo ', 'foo '),
+        strnatcmp('foo', 'foo'),
+        strnatcmp(' foo', ' foo')
+    );
+?>
+--EXPECT--
+int(0)
+int(0)
+int(0)
diff --git a/tests/std/strings/bug29119.phpt b/tests/std/strings/bug29119.phpt
new file mode 100644
index 00000000..8b419b81
--- /dev/null
+++ b/tests/std/strings/bug29119.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #29119 (html_entity_decode() misbehaves with UTF-8)
+--FILE--
+<?php
+var_dump(bin2hex(html_entity_decode('&ensp;&thinsp;&lsquo;&dagger;&prime;&frasl;&euro;', ENT_QUOTES, 'UTF-8')));
+?>
+--EXPECT--
+string(42) "e28082e28089e28098e280a0e280b2e28184e282ac"
diff --git a/tests/std/strings/bug29538.phpt b/tests/std/strings/bug29538.phpt
new file mode 100644
index 00000000..13065a4e
--- /dev/null
+++ b/tests/std/strings/bug29538.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #29538 (number_format and problem with 0)
+--FILE--
+<?php
+    echo number_format(0.25, 2, '', ''), "\n";
+    echo number_format(1234, 2, '', ',');
+?>
+--EXPECT--
+025
+1,23400
diff --git a/tests/std/strings/bug33076.phpt b/tests/std/strings/bug33076.phpt
new file mode 100644
index 00000000..95525ff2
--- /dev/null
+++ b/tests/std/strings/bug33076.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #33076 (str_ireplace() incorrectly counts result string length and may cause segfault)
+--FILE--
+<?php
+
+$value = str_ireplace("t", "bz", "Text");
+
+var_dump($value);
+
+echo "Done\n";
+?>
+--EXPECT--
+string(6) "bzexbz"
+Done
diff --git a/tests/std/strings/bug33605.phpt b/tests/std/strings/bug33605.phpt
new file mode 100644
index 00000000..94b57b20
--- /dev/null
+++ b/tests/std/strings/bug33605.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #33605 (substr_compare crashes)
+--FILE--
+<?php
+try {
+    substr_compare("aa", "a", -99999999, -1, 0);
+} catch (\ValueError $e) {
+    echo $e->getMessage();
+}
+
+?>
+--EXPECT--
+substr_compare(): Argument #4 ($length) must be greater than or equal to 0
diff --git a/tests/std/strings/bug34214.phpt b/tests/std/strings/bug34214.phpt
new file mode 100644
index 00000000..dc2eb450
--- /dev/null
+++ b/tests/std/strings/bug34214.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #34214 (base64_decode() does not properly ignore whitespace)
+--FILE--
+<?php
+$txt = 'Zm9vYmFyIG
+ Zvb2Jhcg==';
+echo base64_decode($txt), "\n";
+?>
+--EXPECT--
+foobar foobar
diff --git a/tests/std/strings/bug35817.phpt b/tests/std/strings/bug35817.phpt
new file mode 100644
index 00000000..e2a752c4
--- /dev/null
+++ b/tests/std/strings/bug35817.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #35817 (unpack() does not decode odd number of hexadecimal values)
+--FILE--
+<?php
+$a = pack("H3","181");
+$b = unpack("H3", $a);
+var_dump($b);
+
+$a = pack("H2","18");
+$b = unpack("H2", $a);
+var_dump($b);
+
+$a = pack("H","1");
+$b = unpack("H", $a);
+var_dump($b);
+?>
+--EXPECT--
+array(1) {
+  [1]=>
+  string(3) "181"
+}
+array(1) {
+  [1]=>
+  string(2) "18"
+}
+array(1) {
+  [1]=>
+  string(1) "1"
+}
diff --git a/tests/std/strings/bug36148.phpt b/tests/std/strings/bug36148.phpt
new file mode 100644
index 00000000..2e9a81c5
--- /dev/null
+++ b/tests/std/strings/bug36148.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #36148 (unpack("H*hex", $data) is adding an extra character to the end of the string)
+--FILE--
+<?php
+$values = array("a", "aa", "aaa", "aaaa");
+foreach ($values as $value) {
+    $a = pack("H*", $value);
+    $b = unpack("H*", $a);
+    echo $value.": ";
+    var_dump($b);
+}
+?>
+--EXPECT--
+a: array(1) {
+  [1]=>
+  string(2) "a0"
+}
+aa: array(1) {
+  [1]=>
+  string(2) "aa"
+}
+aaa: array(1) {
+  [1]=>
+  string(4) "aaa0"
+}
+aaaa: array(1) {
+  [1]=>
+  string(4) "aaaa"
+}
diff --git a/tests/std/strings/bug36306.phpt b/tests/std/strings/bug36306.phpt
new file mode 100644
index 00000000..3c522507
--- /dev/null
+++ b/tests/std/strings/bug36306.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #36306 (crc32() 64bit)
+--FILE--
+<?php
+
+/* as an example how to write crc32 tests
+   PHP does not have uint values, you cannot
+   display crc32 like a signed integer.
+   Have to find some small strings to truly reproduce
+   the problem, this example being not a problem
+*/
+echo dechex(crc32("platform independent")) . "\n";
+?>
+--EXPECT--
+cbd056ba
diff --git a/tests/std/strings/bug36392.phpt b/tests/std/strings/bug36392.phpt
new file mode 100644
index 00000000..b98f7e62
--- /dev/null
+++ b/tests/std/strings/bug36392.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #36392 (wrong number of decimal digits with %e specifier in sprintf)
+--FILE--
+<?php
+    echo sprintf("%e\n", 1.123456789);
+    echo sprintf("%.10e\n", 1.123456789);
+    echo sprintf("%.0e\n", 1.123456789);
+    echo sprintf("%.1e\n", 1.123456789);
+    echo sprintf("%5.1e\n", 1.123456789);
+?>
+--EXPECT--
+1.123457e+0
+1.1234567890e+0
+1e+0
+1.1e+0
+1.1e+0
diff --git a/tests/std/strings/bug36944.phpt b/tests/std/strings/bug36944.phpt
new file mode 100644
index 00000000..d7756124
--- /dev/null
+++ b/tests/std/strings/bug36944.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #36944 (strncmp & strncasecmp do not return false on negative string length)
+--FILE--
+<?php
+
+try {
+    var_dump(strncmp("test ", "e", -1));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+var_dump(strncmp("test ", "e", 10));
+var_dump(strncmp("test ", "e", 0));
+
+try {
+    var_dump(strncasecmp("test ", "E", -1));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+var_dump(strncasecmp("test ", "E", 10));
+var_dump(strncasecmp("test ", "E", 0));
+
+?>
+--EXPECTF--
+strncmp(): Argument #3 ($length) must be greater than or equal to 0
+int(%d)
+int(0)
+strncasecmp(): Argument #3 ($length) must be greater than or equal to 0
+int(%d)
+int(0)
diff --git a/tests/std/strings/bug37244.phpt b/tests/std/strings/bug37244.phpt
new file mode 100644
index 00000000..bd9628e8
--- /dev/null
+++ b/tests/std/strings/bug37244.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #37244 (base64_decode violates RFC 3548)
+--FILE--
+<?php
+$strings = array(
+    'SW1wbGVtZW50YXRpb25zIE1VU1QgcmVqZWN0IHRoZSBlbmNvZGluZyBpZiBpdCBjb250YWlucyBjaGFyYWN0ZXJzIG91dHNpZGUgdGhlIGJhc2UgYWxwaGFiZXQu',
+    'SW1wbGVtZW$0YXRpb25zIE1VU1QgcmVqZWN0IHRoZSBlbmNvZGluZyBpZiBpdCBjb250YWlucyBjaGFyYWN0ZXJzIG91dHNpZGUgdGhlIGJhc2UgYWxwaGFiZXQu',
+    'SW1wbGVtZW0YXRpb25zIE1VU1QgcmVqZWN0IHRoZSBlbmNvZGluZyBpZiBpdCBjb250YWlucyBjaGFyYWN0ZXJzIG91dHNpZGUgdGhlIGJhc2UgYWxwaGFiZXQu'
+);
+foreach($strings as $string) {
+    var_dump(base64_decode($string, true));
+}
+?>
+--EXPECT--
+string(93) "Implementations MUST reject the encoding if it contains characters outside the base alphabet."
+bool(false)
+string(92) "Implemem][ÛœÈUTÕ™Z™XÝH[˜ÛÙ[™ÈYˆ]ÛÛ�Z[œÈÚ\˜XÝ\œÈÝ]ÚYHH˜\ÙH[X™]"
diff --git a/tests/std/strings/bug37262.phpt b/tests/std/strings/bug37262.phpt
new file mode 100644
index 00000000..92abb292
--- /dev/null
+++ b/tests/std/strings/bug37262.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #37262 (var_export() does not escape \0 character)
+--FILE--
+<?php
+var_export("foo\0bar");
+?>
+--EXPECT--
+'foo' . "\0" . 'bar'
diff --git a/tests/std/strings/bug38322.phpt b/tests/std/strings/bug38322.phpt
new file mode 100644
index 00000000..88b4caf4
--- /dev/null
+++ b/tests/std/strings/bug38322.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #38322 (reading past array in sscanf() leads to segfault/arbitrary code execution)
+--FILE--
+<?php
+
+$str = "a b c d e";
+var_dump(sscanf("a ",'%1$s',$str));
+
+echo "Done\n";
+?>
+--EXPECT--
+int(1)
+Done
diff --git a/tests/std/strings/bug38770.phpt b/tests/std/strings/bug38770.phpt
new file mode 100644
index 00000000..a349ebff
--- /dev/null
+++ b/tests/std/strings/bug38770.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #38770 (unpack() broken with longs on 64 bit machines)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+
+foreach (array('N','l') as $v) {
+    print_r(unpack($v, pack($v, -30000)));
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+Array
+(
+    [1] => 4294937296
+)
+Array
+(
+    [1] => -30000
+)
+Done
diff --git a/tests/std/strings/bug39032.phpt b/tests/std/strings/bug39032.phpt
new file mode 100644
index 00000000..80d19920
--- /dev/null
+++ b/tests/std/strings/bug39032.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Bug #39032 (strcspn() stops on null character)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+var_dump(strcspn(chr(0),"x"));
+var_dump(strcspn(chr(0),""));
+var_dump(strcspn(chr(0),"qweqwe"));
+var_dump(strcspn(chr(1),"qweqwe"));
+
+echo "Done\n";
+?>
+--EXPECT--
+int(1)
+int(1)
+int(1)
+int(1)
+Done
diff --git a/tests/std/strings/bug39350.phpt b/tests/std/strings/bug39350.phpt
new file mode 100644
index 00000000..8cc51e95
--- /dev/null
+++ b/tests/std/strings/bug39350.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #39350 (implode/join() crash on empty input strings)
+--FILE--
+<?php
+
+implode('', array(null));
+implode('', array(false));
+implode('', array(""));
+
+echo "Done\n";
+?>
+--EXPECT--
+Done
diff --git a/tests/std/strings/bug39621.phpt b/tests/std/strings/bug39621.phpt
new file mode 100644
index 00000000..d6ba790d
--- /dev/null
+++ b/tests/std/strings/bug39621.phpt
@@ -0,0 +1,45 @@
+--TEST--
+Bug #39621 (str_replace() is not binary safe on strings with equal length)
+--FILE--
+<?php
+
+$search =  "qxxx\0qqqqqqqq";
+$subject = "qxxx\0xxxxxxxx";
+$replace = "any text";
+
+$result = str_replace ( $search, $replace, $subject );
+
+var_dump($result);
+
+$search =  "QXXX\0qqqqqqqq";
+$subject = "qxxx\0xxxxxxxx";
+$replace = "any text";
+
+$result = str_ireplace ( $search, $replace, $subject );
+
+var_dump($result);
+
+$search =  "qxxx\0xxxxxxxx";
+$subject = "qxxx\0xxxxxxxx";
+$replace = "any text";
+
+$result = str_replace ( $search, $replace, $subject );
+
+var_dump($result);
+
+$search =  "qXxx\0xXxXxXxx";
+$subject = "qxXx\0xxxxxxxx";
+$replace = "any text";
+
+$result = str_ireplace ( $search, $replace, $subject );
+
+var_dump($result);
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(13) "qxxx%0xxxxxxxx"
+string(13) "qxxx%0xxxxxxxx"
+string(8) "any text"
+string(8) "any text"
+Done
diff --git a/tests/std/strings/bug39873.phpt b/tests/std/strings/bug39873.phpt
new file mode 100644
index 00000000..f264f6bb
--- /dev/null
+++ b/tests/std/strings/bug39873.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #39873 (number_format() breaks with locale & decimal points)
+--SKIPIF--
+<?php
+if (!setlocale(LC_ALL, "ita","it","Italian","it_IT","it_IT.ISO8859-1","it_IT.ISO_8859-1")) {
+        die("skip locale needed for this test is not supported on this platform");
+}
+?>
+--FILE--
+<?php
+    setlocale(LC_ALL, "ita","it","Italian","it_IT","it_IT.ISO8859-1","it_IT.ISO_8859-1");
+    $num = 0+"1234.56";
+    echo number_format($num,2);
+    echo "\n";
+?>
+--EXPECT--
+1,234.56
diff --git a/tests/std/strings/bug40432.phpt b/tests/std/strings/bug40432.phpt
new file mode 100644
index 00000000..6db2e94e
--- /dev/null
+++ b/tests/std/strings/bug40432.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #40432 (strip_tags() fails with greater than in attribute)
+--FILE--
+<?php
+echo strip_tags('<span title="test > all">this</span>') . "\n";
+?>
+--EXPECT--
+this
diff --git a/tests/std/strings/bug40637.phpt b/tests/std/strings/bug40637.phpt
new file mode 100644
index 00000000..3f6fc834
--- /dev/null
+++ b/tests/std/strings/bug40637.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #40637 (strip_tags() does not handle single quotes correctly)
+--FILE--
+<?php
+
+$html = '<span title="Bug \' Trigger">Text</span>';
+var_dump(strip_tags($html));
+
+echo "Done\n";
+?>
+--EXPECT--
+string(4) "Text"
+Done
diff --git a/tests/std/strings/bug40704.phpt b/tests/std/strings/bug40704.phpt
new file mode 100644
index 00000000..b2f6cf89
--- /dev/null
+++ b/tests/std/strings/bug40704.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #40704 (strip_tags() does not handle single quotes correctly)
+--FILE--
+<?php
+
+$html = "<div>Bug ' Trigger</div> Missing Text";
+var_dump(strip_tags($html));
+
+echo "Done\n";
+?>
+--EXPECT--
+string(26) "Bug ' Trigger Missing Text"
+Done
diff --git a/tests/std/strings/bug40754.phpt b/tests/std/strings/bug40754.phpt
new file mode 100644
index 00000000..41032a94
--- /dev/null
+++ b/tests/std/strings/bug40754.phpt
@@ -0,0 +1,95 @@
+--TEST--
+Bug #40754 (Overflow checks inside string functions)
+--FILE--
+<?php
+
+$v = 2147483647;
+
+var_dump(substr("abcde", 1, $v));
+var_dump(substr_replace("abcde", "x", $v, $v));
+var_dump(strspn("abcde", "abc", $v, $v));
+var_dump(strcspn("abcde", "abc", $v, $v));
+
+try {
+    var_dump(substr_count("abcde", "abc", $v, $v));
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    substr_compare("abcde", "abc", $v, $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    stripos("abcde", "abc", $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    substr_count("abcde", "abc", $v, 1);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    substr_count("abcde", "abc", 1, $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strpos("abcde", "abc", $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    stripos("abcde", "abc", $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strrpos("abcde", "abc", $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strripos("abcde", "abc", $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strripos("abcde", "abc", $v);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+var_dump(strncmp("abcde", "abc", $v));
+var_dump(chunk_split("abcde", $v, "abc"));
+var_dump(substr("abcde", $v, $v));
+
+?>
+--EXPECT--
+string(4) "bcde"
+string(6) "abcdex"
+int(0)
+int(0)
+substr_count(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+substr_compare(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+stripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+substr_count(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+substr_count(): Argument #4 ($length) must be contained in argument #1 ($haystack)
+strpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+stripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+int(1)
+string(8) "abcdeabc"
+string(0) ""
diff --git a/tests/std/strings/bug40915.phpt b/tests/std/strings/bug40915.phpt
new file mode 100644
index 00000000..97597007
--- /dev/null
+++ b/tests/std/strings/bug40915.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Bug #40915 (addcslashes unexpected behavior with binary input)
+--FILE--
+<?php
+
+$str = "a\000z";
+
+var_dump(addslashes($str));
+var_dump(addcslashes($str, ""));
+var_dump(addcslashes($str, "\000z"));
+var_dump(addcslashes($str, "z"));
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(4) "a\0z"
+string(3) "a%0z"
+string(7) "a\000\z"
+string(4) "a%0\z"
+Done
diff --git a/tests/std/strings/bug42107.phpt b/tests/std/strings/bug42107.phpt
new file mode 100644
index 00000000..f998f7d8
--- /dev/null
+++ b/tests/std/strings/bug42107.phpt
@@ -0,0 +1,51 @@
+--TEST--
+Bug #42107 (sscanf() broken when using %2$s type format parameters)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump(sscanf('one two', '%1$s %2$s'));
+var_dump(sscanf('one two', '%2$s %1$s'));
+echo "--\n";
+sscanf('one two', '%1$s %2$s', $foo, $bar);
+var_dump($foo, $bar);
+sscanf('one two', '%2$s %1$s', $foo, $bar);
+var_dump($foo, $bar);
+echo "--\n";
+var_dump(sscanf('one two', '%1$d %2$d'));
+var_dump(sscanf('one two', '%1$d'));
+echo "Done\n";
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  string(3) "two"
+}
+array(2) {
+  [0]=>
+  string(3) "two"
+  [1]=>
+  string(3) "one"
+}
+--
+string(3) "one"
+string(3) "two"
+string(3) "two"
+string(3) "one"
+--
+array(2) {
+  [0]=>
+  NULL
+  [1]=>
+  NULL
+}
+array(1) {
+  [0]=>
+  NULL
+}
+Done
diff --git a/tests/std/strings/bug42208.phpt b/tests/std/strings/bug42208.phpt
new file mode 100644
index 00000000..72488a93
--- /dev/null
+++ b/tests/std/strings/bug42208.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #42208 (substr_replace() crashes when the same array is passed more than once)
+--FILE--
+<?php
+$a = array(1, 2);
+$c = $a;
+var_dump(substr_replace($a, 1, 1, $c));
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  string(2) "11"
+  [1]=>
+  string(2) "21"
+}
diff --git a/tests/std/strings/bug43927.phpt b/tests/std/strings/bug43927.phpt
new file mode 100644
index 00000000..b780c4aa
--- /dev/null
+++ b/tests/std/strings/bug43927.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #43927 (koi8r is missing from html_entity_decode())
+--FILE--
+<?php
+var_dump(html_entity_decode("&amp;lt;", ENT_COMPAT, 'koi8-r'));
+var_dump(html_entity_decode("&amp;#38;", ENT_COMPAT, 'koi8-r'));
+var_dump(html_entity_decode("&amp;#38;lt;", ENT_COMPAT, 'koi8-r'));
+?>
+--EXPECT--
+string(4) "&lt;"
+string(5) "&#38;"
+string(8) "&#38;lt;"
diff --git a/tests/std/strings/bug43957.phpt b/tests/std/strings/bug43957.phpt
new file mode 100644
index 00000000..a9427f1d
--- /dev/null
+++ b/tests/std/strings/bug43957.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #43957 (utf8_decode() bogus conversion on multibyte indicator near end of string)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+  echo utf8_decode('abc'.chr(0xe0));
+?>
+--EXPECTF--
+Deprecated: Function utf8_decode() is deprecated since 8.2, visit the php.net documentation for various alternatives in %s on line %d
+abc?
diff --git a/tests/std/strings/bug44242.phpt b/tests/std/strings/bug44242.phpt
new file mode 100644
index 00000000..00adda2b
--- /dev/null
+++ b/tests/std/strings/bug44242.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #44242 (metaphone('CMXFXM') crashes PHP)
+--FILE--
+<?php
+
+echo metaphone('CMXFXZ'), "\n";
+echo metaphone('CMXFXV'), "\n";
+echo metaphone('CMXFXZXZ'), "\n";
+
+?>
+--EXPECT--
+KMKSFKSS
+KMKSFKSF
+KMKSFKSSKSS
diff --git a/tests/std/strings/bug44703.phpt b/tests/std/strings/bug44703.phpt
new file mode 100644
index 00000000..a59cffef
--- /dev/null
+++ b/tests/std/strings/bug44703.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Bug #44703 (htmlspecialchars() does not detect bad character set argument)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+var_dump(htmlspecialchars("<a href='test'>Test</a>", ENT_COMPAT, 1));
+var_dump(htmlspecialchars("<a href='test'>Test</a>", ENT_COMPAT, 12));
+var_dump(htmlspecialchars("<a href='test'>Test</a>", ENT_COMPAT, 125));
+var_dump(htmlspecialchars("<a href='test'>Test</a>", ENT_COMPAT, 1252));
+var_dump(htmlspecialchars("<a href='test'>Test</a>", ENT_COMPAT, 12526));
+
+var_dump(htmlspecialchars("<>", ENT_COMPAT, 866));
+var_dump(htmlspecialchars("<>", ENT_COMPAT, 8666));
+
+var_dump(htmlspecialchars("<>", ENT_COMPAT, NULL));
+
+
+var_dump(htmlspecialchars("<>", ENT_COMPAT, 'SJIS'));
+var_dump(htmlspecialchars("<>", ENT_COMPAT, 'SjiS'));
+
+var_dump(htmlspecialchars("<>", ENT_COMPAT, str_repeat('a', 100)));
+
+?>
+--EXPECTF--
+Warning: htmlspecialchars(): Charset "1" is not supported, assuming UTF-8 in %s on line %d
+string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
+
+Warning: htmlspecialchars(): Charset "12" is not supported, assuming UTF-8 in %s on line %d
+string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
+
+Warning: htmlspecialchars(): Charset "125" is not supported, assuming UTF-8 in %s on line %d
+string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
+string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
+
+Warning: htmlspecialchars(): Charset "12526" is not supported, assuming UTF-8 in %s on line %d
+string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
+string(8) "&lt;&gt;"
+
+Warning: htmlspecialchars(): Charset "8666" is not supported, assuming UTF-8 in %s on line %d
+string(8) "&lt;&gt;"
+string(8) "&lt;&gt;"
+string(8) "&lt;&gt;"
+string(8) "&lt;&gt;"
+
+Warning: htmlspecialchars(): Charset "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" is not supported, assuming UTF-8 in %s on line %d
+string(8) "&lt;&gt;"
diff --git a/tests/std/strings/bug45166.phpt b/tests/std/strings/bug45166.phpt
new file mode 100644
index 00000000..2ed07b62
--- /dev/null
+++ b/tests/std/strings/bug45166.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #45166 (substr() )
+--FILE--
+<?php
+    echo substr('cd', -3) . "\n";
+?>
+--EXPECT--
+cd
diff --git a/tests/std/strings/bug45485.phpt b/tests/std/strings/bug45485.phpt
new file mode 100644
index 00000000..4d24c9ad
--- /dev/null
+++ b/tests/std/strings/bug45485.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Bug #45485 (strip_tags and <?XML tag)
+--FILE--
+<?php
+
+$s =<<< EOD
+This text is shown <?XML:NAMESPACE PREFIX = ST1 /><b>This Text disappears</b>
+EOD;
+
+$s = strip_tags($s);
+echo htmlspecialchars($s),"\n";
+
+$s =<<< EOD
+This text is shown <?xml:NAMESPACE PREFIX = ST1 /><b>This Text disappears</b>
+EOD;
+
+$s = strip_tags($s);
+echo htmlspecialchars($s),"\n";
+
+?>
+--EXPECT--
+This text is shown This Text disappears
+This text is shown This Text disappears
diff --git a/tests/std/strings/bug46578.phpt b/tests/std/strings/bug46578.phpt
new file mode 100644
index 00000000..e07e9285
--- /dev/null
+++ b/tests/std/strings/bug46578.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #46578 (strip_tags() does not honor end-of-comment when it encounters a single quote)
+--FILE--
+<?php
+
+var_dump(strip_tags('<!-- testing I\'ve been to mars -->foobar'));
+
+var_dump(strip_tags('<a alt="foobar">foo<!-- foo! --></a>bar'));
+
+var_dump(strip_tags('<a alt="foobar"/>foo<?= foo! /* <!-- "cool" --> */ ?>bar'));
+
+var_dump(strip_tags('< ax'));
+
+var_dump(strip_tags('<! a>'));
+
+var_dump(strip_tags('<? ax'));
+
+?>
+--EXPECT--
+string(6) "foobar"
+string(6) "foobar"
+string(6) "foobar"
+string(4) "< ax"
+string(0) ""
+string(0) ""
diff --git a/tests/std/strings/bug47168.phpt b/tests/std/strings/bug47168.phpt
new file mode 100644
index 00000000..8d0886b8
--- /dev/null
+++ b/tests/std/strings/bug47168.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #47168 (printf of floating point variable prints maximum of 40 decimal places)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+$dyadic = 0.00000000000045474735088646411895751953125;
+var_dump(printf ("%1.41f\n",unserialize(serialize($dyadic))));
+
+?>
+--EXPECT--
+0.00000000000045474735088646411895751953125
+int(44)
diff --git a/tests/std/strings/bug47322.phpt b/tests/std/strings/bug47322.phpt
new file mode 100644
index 00000000..6316c806
--- /dev/null
+++ b/tests/std/strings/bug47322.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Bug #47322 (sscanf %d doesn't work)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+sscanf(":59:58","%s:%d:%f", $a, $b, $c);
+echo "[$a][$b][$c]\n";
+
+sscanf("15:01:58.2","%d:%f:%f", $a, $b, $c);
+echo "[$a][$b][$c]\n";
+
+sscanf("15.1111::foo","%f:%d:%s", $a, $b, $c);
+echo "[$a][$b][$c]\n";
+
+?>
+--EXPECT--
+[:59:58][][]
+[15][1][58.2]
+[15.1111][1][58.2]
diff --git a/tests/std/strings/bug47443.phpt b/tests/std/strings/bug47443.phpt
new file mode 100644
index 00000000..e673e807
--- /dev/null
+++ b/tests/std/strings/bug47443.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #47443 (metaphone('scratch') returns wrong result)
+--FILE--
+<?php
+
+var_dump(metaphone("scratch"));
+var_dump(metaphone("scrath"));
+var_dump(metaphone("scratc"));
+
+?>
+--EXPECT--
+string(4) "SKRX"
+string(4) "SKR0"
+string(5) "SKRTK"
diff --git a/tests/std/strings/bug47481.phpt b/tests/std/strings/bug47481.phpt
new file mode 100644
index 00000000..f25ceae3
--- /dev/null
+++ b/tests/std/strings/bug47481.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Bug #47481 (natcasesort() does not sort extended ASCII characters correctly)
+--FILE--
+<?php
+/*
+ * Test natcasesort() with extended ASCII characters
+ */
+
+$array = array ('Süden', 'spielen','Sonne','Wind','Regen','Meer');
+echo "\n-- Before sorting: --\n";
+var_dump($array);
+
+echo "\n-- After Sorting: --\n";
+var_dump(natcasesort($array));
+var_dump($array);
+
+echo "Done";
+?>
+--EXPECT--
+-- Before sorting: --
+array(6) {
+  [0]=>
+  string(6) "Süden"
+  [1]=>
+  string(7) "spielen"
+  [2]=>
+  string(5) "Sonne"
+  [3]=>
+  string(4) "Wind"
+  [4]=>
+  string(5) "Regen"
+  [5]=>
+  string(4) "Meer"
+}
+
+-- After Sorting: --
+bool(true)
+array(6) {
+  [5]=>
+  string(4) "Meer"
+  [4]=>
+  string(5) "Regen"
+  [2]=>
+  string(5) "Sonne"
+  [1]=>
+  string(7) "spielen"
+  [0]=>
+  string(6) "Süden"
+  [3]=>
+  string(4) "Wind"
+}
+Done
diff --git a/tests/std/strings/bug47842.phpt b/tests/std/strings/bug47842.phpt
new file mode 100644
index 00000000..15db74a9
--- /dev/null
+++ b/tests/std/strings/bug47842.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Bug #47842      sscanf() does not support 64-bit values
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+echo "-Test\n";
+
+sscanf("2147483647", '%d', $int);
+echo "sscanf 32-bit signed int '2147483647'           (2^31)-1 = ",$int,"\n";
+sscanf("4294967295", '%u', $int);
+echo "sscanf 32-bit unsign int '4294967295'           (2^32)-1 = ",$int,"\n";
+
+sscanf("9223372036854775807", '%d', $int);
+echo "sscanf 64-bit signed int '9223372036854775807'  (2^63)-1 = ",$int,"\n";
+sscanf("18446744073709551615", '%u', $int);
+echo "sscanf 64-bit unsign int '18446744073709551615' (2^64)-1 = ",$int,"\n";
+
+printf("printf 64-bit signed int '9223372036854775807'  (2^63)-1 = %d\n", 9223372036854775807);
+printf("printf 64-bit signed int '18446744073709551615' (2^64)-1 = %u\n", 18446744073709551615);
+
+echo "Done\n";
+?>
+--EXPECTF--
+-Test
+sscanf 32-bit signed int '2147483647'           (2^31)-1 = 2147483647
+sscanf 32-bit unsign int '4294967295'           (2^32)-1 = 4294967295
+sscanf 64-bit signed int '9223372036854775807'  (2^63)-1 = 9223372036854775807
+sscanf 64-bit unsign int '18446744073709551615' (2^64)-1 = 18446744073709551615
+printf 64-bit signed int '9223372036854775807'  (2^63)-1 = 9223372036854775807
+
+Warning: The float 1.8446744073709552E+19 is not representable as an int, cast occurred in %s on line %d
+printf 64-bit signed int '18446744073709551615' (2^64)-1 = 0
+Done
diff --git a/tests/std/strings/bug48709.phpt b/tests/std/strings/bug48709.phpt
new file mode 100644
index 00000000..9e0789a6
--- /dev/null
+++ b/tests/std/strings/bug48709.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Bug #48709 (metaphone and 'wh')
+--FILE--
+<?php
+
+/* Initial letter exceptions */
+$exceptions = array(
+    'kn', // Drop first letter
+    'gn', // ditto
+    'pn', // ditto
+    'ae', // ditto
+    'wr', // ditto
+    'x',  // s
+    'wh', // w
+    'wa'  // w
+);
+
+foreach ($exceptions as $letter) {
+    printf("%s => %s\n", $letter, metaphone($letter));
+}
+
+?>
+--EXPECT--
+kn => N
+gn => N
+pn => N
+ae => E
+wr => R
+x => S
+wh => W
+wa => W
diff --git a/tests/std/strings/bug49687.phpt b/tests/std/strings/bug49687.phpt
new file mode 100644
index 00000000..858fc3b3
--- /dev/null
+++ b/tests/std/strings/bug49687.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #49687 Several utf8_decode deficiencies and vulnerabilities
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+$tests = array(
+    "\x41\xC2\x3E\x42",
+    "\xE3\x80\x22",
+    "\x41\x98\xBA\x42\xE2\x98\x43\xE2\x98\xBA\xE2\x98",
+);
+foreach ($tests as $t) {
+    echo bin2hex(utf8_decode($t)), "\n";
+}
+echo "Done.\n";
+?>
+--EXPECTF--
+Deprecated: Function utf8_decode() is deprecated since 8.2, visit the php.net documentation for various alternatives in %s on line %d
+413f3e42
+
+Deprecated: Function utf8_decode() is deprecated since 8.2, visit the php.net documentation for various alternatives in %s on line %d
+3f22
+
+Deprecated: Function utf8_decode() is deprecated since 8.2, visit the php.net documentation for various alternatives in %s on line %d
+413f3f423f433f3f
+Done.
diff --git a/tests/std/strings/bug49785.phpt b/tests/std/strings/bug49785.phpt
new file mode 100644
index 00000000..e9416929
--- /dev/null
+++ b/tests/std/strings/bug49785.phpt
@@ -0,0 +1,4139 @@
+--TEST--
+Bug #49785 (insufficient input string validation of htmlspecialchars())
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+function _bin2hex($val) {
+    return is_string($val) ? bin2hex($val): $val;
+}
+
+echo "UTF-8: basic tests\n";
+var_dump(_bin2hex(htmlentities("\xc1\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xc2\x80", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xc2\x00", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xc2\xc0", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xce\x91", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xce\xb1", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xdf\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\xa0\x80", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\x9f\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\x9f\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\x1f\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\x9f\x3f", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\x1f\x3f", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe2\x99\xa5", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xef\xbf\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xef\xff\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xef\xbf\xff", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf0\x8f\xbf\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf0\x90\x80\x80", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\xbf\xbf\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\x3f\xbf\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\xbf\x3f\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\xbf\xbf\x3f", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\xff\xbf\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\xbf\xff\xbf", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf7\xbf\xbf\xff", ENT_QUOTES, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf8\x88\x80\x80\x80", ENT_QUOTES, "UTF-8")));
+
+echo "--\n";
+echo "UTF-8: with ENT_IGNORE\n";
+var_dump(_bin2hex(htmlentities("\xc0\xa0\xc2\x80", ENT_QUOTES | ENT_IGNORE, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xe0\x80\x80\xe0\xa0\x80", ENT_QUOTES | ENT_IGNORE, "UTF-8")));
+var_dump(_bin2hex(htmlentities("\xf0\x80\x80\x80\xf0\x90\x80\x80", ENT_QUOTES | ENT_IGNORE, "UTF-8")));
+
+echo "--\n";
+echo "UTF-8: alternative (invalid) UTF-8 sequence / surrogate pairs\n";
+var_dump(_bin2hex(htmlspecialchars("\xc0\xa6", ENT_QUOTES, 'UTF-8')));
+var_dump(_bin2hex(htmlspecialchars("\xe0\x80\xa6", ENT_QUOTES, 'UTF-8')));
+var_dump(_bin2hex(htmlspecialchars("\xf0\x80\x80\xa6", ENT_QUOTES, 'UTF-8')));
+var_dump(_bin2hex(htmlspecialchars("\xec\xbf\xbf", ENT_QUOTES, 'UTF-8')));
+var_dump(_bin2hex(htmlspecialchars("\xed\xa0\x80", ENT_QUOTES, 'UTF-8')));
+var_dump(_bin2hex(htmlspecialchars("\xed\xbf\xbf", ENT_QUOTES, 'UTF-8')));
+var_dump(_bin2hex(htmlspecialchars("\xee\x80\x80", ENT_QUOTES, 'UTF-8')));
+
+echo "--\n";
+echo "Shift_JIS: non-lead byte >= 0x80\n";
+var_dump(_bin2hex(htmlspecialchars("\x80", ENT_QUOTES, 'Shift_JIS')));
+foreach (array_map('chr', range(0xa0, 0xdf)) as $c) {
+    var_dump(_bin2hex(htmlspecialchars($c, ENT_QUOTES, 'Shift_JIS')));
+}
+var_dump(_bin2hex(htmlspecialchars("\xfd", ENT_QUOTES, 'Shift_JIS')));
+var_dump(_bin2hex(htmlspecialchars("\xfe", ENT_QUOTES, 'Shift_JIS')));
+var_dump(_bin2hex(htmlspecialchars("\xff", ENT_QUOTES, 'Shift_JIS')));
+
+echo "--\n";
+echo "Shift_JIS: incomplete / invalid multibyte sequences\n";
+foreach (array_map('chr', array_merge(range(0x81, 0x9f), range(0xe0, 0xfc))) as $c) {
+    var_dump(_bin2hex(htmlspecialchars("$c", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x3f", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x40", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x7e", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x7f", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x80", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xfc", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xfd", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xfe", ENT_QUOTES, 'Shift_JIS')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xff", ENT_QUOTES, 'Shift_JIS')));
+}
+
+echo "--\n";
+echo "EUC-JP: non-lead byte >= 0x80\n";
+foreach (array_map('chr', array_merge(range(0x80, 0x8d), range(0x90, 0x9f))) as $c) {
+    var_dump(_bin2hex(htmlspecialchars($c, ENT_QUOTES, 'EUC-JP')));
+}
+var_dump(_bin2hex(htmlspecialchars("\xff", ENT_QUOTES, 'EUC-JP')));
+
+// EUC-JP: control codes that are virtually lead bytes
+var_dump(_bin2hex(htmlspecialchars("\x8e", ENT_QUOTES, 'EUC-JP')));
+var_dump(_bin2hex(htmlspecialchars("\x8f", ENT_QUOTES, 'EUC-JP')));
+var_dump(_bin2hex(htmlspecialchars("\x8e\xa1", ENT_QUOTES, 'EUC-JP')));
+var_dump(_bin2hex(htmlspecialchars("\x8f\xa1", ENT_QUOTES, 'EUC-JP')));
+var_dump(_bin2hex(htmlspecialchars("\x8e\xa1\xa3", ENT_QUOTES, 'EUC-JP')));
+var_dump(_bin2hex(htmlspecialchars("\x8f\xa1\xa3", ENT_QUOTES, 'EUC-JP')));
+
+echo "--\n";
+echo "EUC-JP: incomplete / invalid multibyte sequences\n";
+foreach (array_map('chr', array_merge(range(0xa1, 0xfe))) as $c) {
+    var_dump(_bin2hex(htmlspecialchars("$c", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x26", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x80", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xa0", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xa1", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xfe", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xff", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c\x26", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c\x80", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c\xa0", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c\xa1", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c\xfe", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8e$c\xff", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c\x26", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c\x80", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c\xa0", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c\xa1", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c\xfe", ENT_QUOTES, 'EUC-JP')));
+    var_dump(_bin2hex(htmlspecialchars("\x8f$c\xff", ENT_QUOTES, 'EUC-JP')));
+}
+
+echo "--\n";
+echo "BIG5: non-lead byte >= 0x80\n";
+var_dump(_bin2hex(htmlspecialchars("\x80", ENT_QUOTES, 'BIG5')));
+var_dump(_bin2hex(htmlspecialchars("\xff", ENT_QUOTES, 'BIG5')));
+
+echo "--\n";
+echo "BIG5: incomplete / invalid multibyte sequences\n";
+foreach (array_map('chr', range(0x81, 0xfe)) as $c) {
+    var_dump(_bin2hex(htmlspecialchars("$c", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x3f", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x40", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x7e", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x7f", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\x80", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xa0", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xa1", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xfe", ENT_QUOTES, 'BIG5')));
+    var_dump(_bin2hex(htmlspecialchars("$c\xff", ENT_QUOTES, 'BIG5')));
+}
+?>
+--EXPECT--
+UTF-8: basic tests
+string(0) ""
+string(4) "c280"
+string(0) ""
+string(0) ""
+string(14) "26416c7068613b"
+string(14) "26616c7068613b"
+string(4) "dfbf"
+string(6) "e0a080"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(16) "266865617274733b"
+string(6) "efbfbf"
+string(0) ""
+string(0) ""
+string(0) ""
+string(8) "f0908080"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+--
+UTF-8: with ENT_IGNORE
+string(4) "c280"
+string(6) "e0a080"
+string(8) "f0908080"
+--
+UTF-8: alternative (invalid) UTF-8 sequence / surrogate pairs
+string(0) ""
+string(0) ""
+string(0) ""
+string(6) "ecbfbf"
+string(0) ""
+string(0) ""
+string(6) "ee8080"
+--
+Shift_JIS: non-lead byte >= 0x80
+string(0) ""
+string(0) ""
+string(2) "a1"
+string(2) "a2"
+string(2) "a3"
+string(2) "a4"
+string(2) "a5"
+string(2) "a6"
+string(2) "a7"
+string(2) "a8"
+string(2) "a9"
+string(2) "aa"
+string(2) "ab"
+string(2) "ac"
+string(2) "ad"
+string(2) "ae"
+string(2) "af"
+string(2) "b0"
+string(2) "b1"
+string(2) "b2"
+string(2) "b3"
+string(2) "b4"
+string(2) "b5"
+string(2) "b6"
+string(2) "b7"
+string(2) "b8"
+string(2) "b9"
+string(2) "ba"
+string(2) "bb"
+string(2) "bc"
+string(2) "bd"
+string(2) "be"
+string(2) "bf"
+string(2) "c0"
+string(2) "c1"
+string(2) "c2"
+string(2) "c3"
+string(2) "c4"
+string(2) "c5"
+string(2) "c6"
+string(2) "c7"
+string(2) "c8"
+string(2) "c9"
+string(2) "ca"
+string(2) "cb"
+string(2) "cc"
+string(2) "cd"
+string(2) "ce"
+string(2) "cf"
+string(2) "d0"
+string(2) "d1"
+string(2) "d2"
+string(2) "d3"
+string(2) "d4"
+string(2) "d5"
+string(2) "d6"
+string(2) "d7"
+string(2) "d8"
+string(2) "d9"
+string(2) "da"
+string(2) "db"
+string(2) "dc"
+string(2) "dd"
+string(2) "de"
+string(2) "df"
+string(0) ""
+string(0) ""
+string(0) ""
+--
+Shift_JIS: incomplete / invalid multibyte sequences
+string(0) ""
+string(0) ""
+string(4) "8140"
+string(4) "817e"
+string(0) ""
+string(4) "8180"
+string(4) "81fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8240"
+string(4) "827e"
+string(0) ""
+string(4) "8280"
+string(4) "82fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8340"
+string(4) "837e"
+string(0) ""
+string(4) "8380"
+string(4) "83fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8440"
+string(4) "847e"
+string(0) ""
+string(4) "8480"
+string(4) "84fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8540"
+string(4) "857e"
+string(0) ""
+string(4) "8580"
+string(4) "85fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8640"
+string(4) "867e"
+string(0) ""
+string(4) "8680"
+string(4) "86fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8740"
+string(4) "877e"
+string(0) ""
+string(4) "8780"
+string(4) "87fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8840"
+string(4) "887e"
+string(0) ""
+string(4) "8880"
+string(4) "88fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8940"
+string(4) "897e"
+string(0) ""
+string(4) "8980"
+string(4) "89fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8a40"
+string(4) "8a7e"
+string(0) ""
+string(4) "8a80"
+string(4) "8afc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8b40"
+string(4) "8b7e"
+string(0) ""
+string(4) "8b80"
+string(4) "8bfc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8c40"
+string(4) "8c7e"
+string(0) ""
+string(4) "8c80"
+string(4) "8cfc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8d40"
+string(4) "8d7e"
+string(0) ""
+string(4) "8d80"
+string(4) "8dfc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8e40"
+string(4) "8e7e"
+string(0) ""
+string(4) "8e80"
+string(4) "8efc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8f40"
+string(4) "8f7e"
+string(0) ""
+string(4) "8f80"
+string(4) "8ffc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9040"
+string(4) "907e"
+string(0) ""
+string(4) "9080"
+string(4) "90fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9140"
+string(4) "917e"
+string(0) ""
+string(4) "9180"
+string(4) "91fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9240"
+string(4) "927e"
+string(0) ""
+string(4) "9280"
+string(4) "92fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9340"
+string(4) "937e"
+string(0) ""
+string(4) "9380"
+string(4) "93fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9440"
+string(4) "947e"
+string(0) ""
+string(4) "9480"
+string(4) "94fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9540"
+string(4) "957e"
+string(0) ""
+string(4) "9580"
+string(4) "95fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9640"
+string(4) "967e"
+string(0) ""
+string(4) "9680"
+string(4) "96fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9740"
+string(4) "977e"
+string(0) ""
+string(4) "9780"
+string(4) "97fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9840"
+string(4) "987e"
+string(0) ""
+string(4) "9880"
+string(4) "98fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9940"
+string(4) "997e"
+string(0) ""
+string(4) "9980"
+string(4) "99fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9a40"
+string(4) "9a7e"
+string(0) ""
+string(4) "9a80"
+string(4) "9afc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9b40"
+string(4) "9b7e"
+string(0) ""
+string(4) "9b80"
+string(4) "9bfc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9c40"
+string(4) "9c7e"
+string(0) ""
+string(4) "9c80"
+string(4) "9cfc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9d40"
+string(4) "9d7e"
+string(0) ""
+string(4) "9d80"
+string(4) "9dfc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9e40"
+string(4) "9e7e"
+string(0) ""
+string(4) "9e80"
+string(4) "9efc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "9f40"
+string(4) "9f7e"
+string(0) ""
+string(4) "9f80"
+string(4) "9ffc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e040"
+string(4) "e07e"
+string(0) ""
+string(4) "e080"
+string(4) "e0fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e140"
+string(4) "e17e"
+string(0) ""
+string(4) "e180"
+string(4) "e1fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e240"
+string(4) "e27e"
+string(0) ""
+string(4) "e280"
+string(4) "e2fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e340"
+string(4) "e37e"
+string(0) ""
+string(4) "e380"
+string(4) "e3fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e440"
+string(4) "e47e"
+string(0) ""
+string(4) "e480"
+string(4) "e4fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e540"
+string(4) "e57e"
+string(0) ""
+string(4) "e580"
+string(4) "e5fc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "e640"
+string(4) "e67e"
+string(0) ""
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+string(4) "f640"
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+string(4) "f840"
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+string(0) ""
+string(4) "f940"
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+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fa40"
+string(4) "fa7e"
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+string(4) "fa80"
+string(4) "fafc"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fb40"
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+string(0) ""
+string(4) "fc80"
+string(4) "fcfc"
+string(0) ""
+string(0) ""
+string(0) ""
+--
+EUC-JP: non-lead byte >= 0x80
+string(2) "80"
+string(2) "81"
+string(2) "82"
+string(2) "83"
+string(2) "84"
+string(2) "85"
+string(2) "86"
+string(2) "87"
+string(2) "88"
+string(2) "89"
+string(2) "8a"
+string(2) "8b"
+string(2) "8c"
+string(2) "8d"
+string(2) "90"
+string(2) "91"
+string(2) "92"
+string(2) "93"
+string(2) "94"
+string(2) "95"
+string(2) "96"
+string(2) "97"
+string(2) "98"
+string(2) "99"
+string(2) "9a"
+string(2) "9b"
+string(2) "9c"
+string(2) "9d"
+string(2) "9e"
+string(2) "9f"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "8ea1"
+string(0) ""
+string(0) ""
+string(6) "8fa1a3"
+--
+EUC-JP: incomplete / invalid multibyte sequences
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "a1a1"
+string(4) "a1fe"
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+string(4) "ada1"
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+--
+BIG5: non-lead byte >= 0x80
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+--
+BIG5: incomplete / invalid multibyte sequences
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+string(0) ""
+string(0) ""
+string(4) "f9a1"
+string(4) "f9fe"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fa40"
+string(4) "fa7e"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "faa1"
+string(4) "fafe"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fb40"
+string(4) "fb7e"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fba1"
+string(4) "fbfe"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fc40"
+string(4) "fc7e"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fca1"
+string(4) "fcfe"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fd40"
+string(4) "fd7e"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fda1"
+string(4) "fdfe"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fe40"
+string(4) "fe7e"
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "fea1"
+string(4) "fefe"
+string(0) ""
diff --git a/tests/std/strings/bug50052.phpt b/tests/std/strings/bug50052.phpt
new file mode 100644
index 00000000..97a4481e
--- /dev/null
+++ b/tests/std/strings/bug50052.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #50052 (Different Hashes on Windows and Linux on wrong Salt size)
+--FILE--
+<?php
+$salt = '$1$f+uslYF01$';
+$password = 'test';
+echo $salt . "\n";
+echo crypt($password,$salt) . "\n";
+?>
+--EXPECT--
+$1$f+uslYF01$
+$1$f+uslYF0$orVloNmKSLvOeswusE0bY.
diff --git a/tests/std/strings/bug50847.phpt b/tests/std/strings/bug50847.phpt
new file mode 100644
index 00000000..1f708193
--- /dev/null
+++ b/tests/std/strings/bug50847.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #50847 (strip_tags() removes all tags greater than 1023 bytes long)
+--FILE--
+<?php
+$var = '<param value="' . str_repeat("a", 2048) . '" />';
+var_dump(strip_tags($var, "<param>"), strip_tags($var));
+?>
+--EXPECT--
+string(2066) "<param value="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" />"
+string(0) ""
diff --git a/tests/std/strings/bug51059.phpt b/tests/std/strings/bug51059.phpt
new file mode 100644
index 00000000..d17305ca
--- /dev/null
+++ b/tests/std/strings/bug51059.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #51059 crypt() segfaults on certain salts
+--FILE--
+<?php
+$res = crypt('a', '_');
+if ($res === '*0' || $res === '*1') echo 'OK';
+else echo 'Not OK';
+
+?>
+--EXPECT--
+OK
diff --git a/tests/std/strings/bug51899.phpt b/tests/std/strings/bug51899.phpt
new file mode 100644
index 00000000..55fd535f
--- /dev/null
+++ b/tests/std/strings/bug51899.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Bug #51899 (Parse error in parse_ini_file() function when empy value followed by no newline)
+--FILE--
+<?php
+
+var_dump(parse_ini_string('a='));
+var_dump(parse_ini_string('a= '));
+var_dump(parse_ini_string('a='.PHP_EOL));
+var_dump(parse_ini_string('a=b '));
+var_dump(parse_ini_string(''));
+var_dump(parse_ini_string("\0"));
+
+?>
+--EXPECT--
+array(1) {
+  ["a"]=>
+  string(0) ""
+}
+array(1) {
+  ["a"]=>
+  string(0) ""
+}
+array(1) {
+  ["a"]=>
+  string(0) ""
+}
+array(1) {
+  ["a"]=>
+  string(2) "b "
+}
+array(0) {
+}
+array(0) {
+}
diff --git a/tests/std/strings/bug53021.phpt b/tests/std/strings/bug53021.phpt
new file mode 100644
index 00000000..4f70f213
--- /dev/null
+++ b/tests/std/strings/bug53021.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Bug #53021 (Failure to convert numeric entities with ENT_NOQUOTES and ISO-8859-1)
+--FILE--
+<?php
+var_dump(unpack("H*",html_entity_decode("&#233;", ENT_QUOTES, "ISO-8859-1")));
+echo "double quotes variations:", "\n";
+echo html_entity_decode("&quot;", ENT_NOQUOTES, 'UTF-8'), "\n";
+echo html_entity_decode("&#34;", ENT_NOQUOTES, 'UTF-8'), "\n";
+echo html_entity_decode("&quot;", ENT_QUOTES, 'UTF-8'), "\n";
+echo html_entity_decode("&#34;", ENT_QUOTES, 'UTF-8'), "\n";
+echo html_entity_decode("&quot;", ENT_COMPAT, 'UTF-8'), "\n";
+echo html_entity_decode("&#34;", ENT_COMPAT, 'UTF-8'), "\n";
+echo html_entity_decode("&quot;"), "\n";
+echo html_entity_decode("&#34;"), "\n";
+
+echo "\nsingle quotes variations:", "\n";
+echo html_entity_decode("&#39;", ENT_NOQUOTES, 'UTF-8'), "\n";
+echo html_entity_decode("&#39;", ENT_QUOTES, 'UTF-8'), "\n";
+echo html_entity_decode("&#39;", ENT_COMPAT, 'UTF-8'), "\n";
+echo html_entity_decode("&#39;"), "\n";
+?>
+--EXPECT--
+array(1) {
+  [1]=>
+  string(2) "e9"
+}
+double quotes variations:
+&quot;
+&#34;
+"
+"
+"
+"
+"
+"
+
+single quotes variations:
+&#39;
+'
+&#39;
+'
diff --git a/tests/std/strings/bug53319.phpt b/tests/std/strings/bug53319.phpt
new file mode 100644
index 00000000..bae7e88b
--- /dev/null
+++ b/tests/std/strings/bug53319.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #53319 (Strip_tags() may strip '<br />' incorrectly)
+--FILE--
+<?php
+
+$str = '<br /><br  />USD<input type="text"/><br/>CDN<br><input type="text" />';
+var_dump(strip_tags($str, '<input>'));
+var_dump(strip_tags($str, '<br><input>') === $str);
+var_dump(strip_tags($str));
+var_dump(strip_tags('<a/b>', '<a>'));
+
+?>
+--EXPECT--
+string(47) "USD<input type="text"/>CDN<input type="text" />"
+bool(true)
+string(6) "USDCDN"
+string(0) ""
diff --git a/tests/std/strings/bug54055.phpt b/tests/std/strings/bug54055.phpt
new file mode 100644
index 00000000..4ef2f7d4
--- /dev/null
+++ b/tests/std/strings/bug54055.phpt
@@ -0,0 +1,590 @@
+--TEST--
+Bug #54055: PHP crashes when executing strval when precision setting is very high
+--FILE--
+<?php
+for($i = 495; $i <= 1074; $i++) {
+  ini_set('precision', $i);
+  echo "$i: len=", strlen(strval(-1 * pow(2, -1074))), "\n";
+}
+?>
+--EXPECT--
+495: len=502
+496: len=503
+497: len=504
+498: len=505
+499: len=506
+500: len=507
+501: len=508
+502: len=509
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diff --git a/tests/std/strings/bug54238.phpt b/tests/std/strings/bug54238.phpt
new file mode 100644
index 00000000..e679bb69
--- /dev/null
+++ b/tests/std/strings/bug54238.phpt
@@ -0,0 +1,26 @@
+--TEST--
+Bug #54238 (use-after-free in substr_replace())
+--FILE--
+<?php
+$f = array(array('A', 'A'));
+
+$z = substr_replace($f, $f, $f, 1);
+var_dump($z, $f);
+?>
+--EXPECTF--
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+array(1) {
+  [0]=>
+  string(9) "AArrayray"
+}
+array(1) {
+  [0]=>
+  array(2) {
+    [0]=>
+    string(1) "A"
+    [1]=>
+    string(1) "A"
+  }
+}
diff --git a/tests/std/strings/bug54322.phpt b/tests/std/strings/bug54322.phpt
new file mode 100644
index 00000000..8f12cd80
--- /dev/null
+++ b/tests/std/strings/bug54322.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #54322: Null pointer deref in get_html_translation_table due to information loss in long-to-int conversion
+--FILE--
+<?php
+try {
+    var_dump(get_html_translation_table(NAN, 0, "UTF-8") > 0);
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+get_html_translation_table(): Argument #1 ($table) must be of type int, float given
diff --git a/tests/std/strings/bug54332.phpt b/tests/std/strings/bug54332.phpt
new file mode 100644
index 00000000..122b387e
--- /dev/null
+++ b/tests/std/strings/bug54332.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #54332 (Crash in zend_mm_check_ptr // Heap corruption)
+--FILE--
+<?php
+echo number_format(1e300, 2006, '', ' ') . "\n";
+?>
+--EXPECT--
+1 000 000 000 000 000 052 504 760 255 204 420 248 704 468 581 108 159 154 915 854 115 511 802 457 988 908 195 786 371 375 080 447 864 043 704 443 832 883 878 176 942 523 235 360 430 575 644 792 184 786 706 982 848 387 200 926 575 803 737 830 233 794 788 090 059 368 953 234 970 799 945 081 119 038 967 640 880 074 652 742 780 142 494 579 258 788 820 056 842 838 115 669 472 196 386 865 459 400 540 16000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
diff --git a/tests/std/strings/bug54454.phpt b/tests/std/strings/bug54454.phpt
new file mode 100644
index 00000000..783fe43c
--- /dev/null
+++ b/tests/std/strings/bug54454.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #54454 (substr_compare incorrectly reports equality in some cases)
+--FILE--
+<?php
+var_dump(substr_compare('/', '/asd', 0, 4));
+?>
+--EXPECT--
+int(-1)
diff --git a/tests/std/strings/bug54721.phpt b/tests/std/strings/bug54721.phpt
new file mode 100644
index 00000000..f21d65fd
--- /dev/null
+++ b/tests/std/strings/bug54721.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Bug #54721 (Different Hashes on Windows, BSD and Linux on wrong Salt size)
+--FILE--
+<?php
+echo crypt("", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+echo crypt("b", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+echo crypt("bu", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+echo crypt("bug", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+echo crypt("pass", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+echo crypt("buged", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+echo crypt("aaaaaaaaaaaaaaaaaaaaaaaaa ", '$1$dW0.is5.$10CH101gGOr1677ZYd517.') . "\n";
+?>
+--EXPECT--
+$1$dW0.is5.$I0iqTYHPzkP4YnRgnXxZW0
+$1$dW0.is5.$KaspRpPQ9U7Xb5Vv5c.WE/
+$1$dW0.is5.$X9G1x/Ep8zYQSrU4/lKUg.
+$1$dW0.is5.$wE5Rz/HxPtDMfqil6kK980
+$1$dW0.is5.$2E4/ZDY1vr73HqLl1bLs9.
+$1$dW0.is5.$lvGhphTQwqgKxWhWwYERr1
+$1$dW0.is5.$XzsWcLSBj2BvhOKH0xdpZ0
diff --git a/tests/std/strings/bug55451.phpt b/tests/std/strings/bug55451.phpt
new file mode 100644
index 00000000..47599650
--- /dev/null
+++ b/tests/std/strings/bug55451.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #55451 (substr_compare with NULL as default length)
+--FILE--
+<?php
+var_dump(substr_compare("abcde", "ABCD", 0, NULL, false) != 0);
+var_dump(substr_compare("abcde", "ABCD", 0, NULL, true) != 0);
+var_dump(substr_compare("abcde", "ABCDE", 0, NULL, false) != 0);
+var_dump(substr_compare("abcde", "ABCDE", 0, NULL, true) == 0);
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
diff --git a/tests/std/strings/bug55674.phpt b/tests/std/strings/bug55674.phpt
new file mode 100644
index 00000000..60572e71
--- /dev/null
+++ b/tests/std/strings/bug55674.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Bug #55674 (fgetcsv & str_getcsv skip empty fields in some tab-separated records)
+--FILE--
+<?php
+var_dump(str_getcsv("0\t\t\"2\"\n", "\t", escape: ''));
+var_dump(str_getcsv("0\t \t'2'\n", "\t", "'", escape: ''));
+var_dump(str_getcsv(",,,,", escape: ''));
+var_dump(str_getcsv(" \t  \t\t\t ", "\t", escape: ''));
+?>
+--EXPECT--
+array(3) {
+  [0]=>
+  string(1) "0"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "2"
+}
+array(3) {
+  [0]=>
+  string(1) "0"
+  [1]=>
+  string(1) " "
+  [2]=>
+  string(1) "2"
+}
+array(5) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+  [4]=>
+  string(0) ""
+}
+array(5) {
+  [0]=>
+  string(1) " "
+  [1]=>
+  string(2) "  "
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+  [4]=>
+  string(1) " "
+}
diff --git a/tests/std/strings/bug55871.phpt b/tests/std/strings/bug55871.phpt
new file mode 100644
index 00000000..f25aa334
--- /dev/null
+++ b/tests/std/strings/bug55871.phpt
@@ -0,0 +1,60 @@
+--TEST--
+Bug #55871 (Interruption in substr_replace()) (PHP7)
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+class test1 {
+    public function __toString() {
+        preg_match('//', '', $GLOBALS['my_var']);
+        return '';
+    }
+}
+
+class test2 {
+        public function __toString() {
+        $GLOBALS['my_var'] += 0x08048000;
+                return '';
+        }
+}
+
+class test3 {
+        public function __toString() {
+                $GLOBALS['my_var'] .= "AAAAAAAA";
+                return '';
+        }
+}
+
+$my_var = str_repeat('A', 40);
+$out = substr_replace(array(&$my_var), array(new test1), 40, 0);
+var_dump($out, $my_var);
+$my_var = '0' . str_repeat('A', 39);
+$out = substr_replace(array(&$my_var), array(new test2), 40, 0);
+var_dump($out, $my_var);
+$my_var = str_repeat('A', 40);
+$out = substr_replace(array(&$my_var), array(new test3), 40, 0);
+var_dump($out, $my_var);
+?>
+--EXPECTF--
+array(1) {
+  [0]=>
+  string(40) "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+}
+array(1) {
+  [0]=>
+  string(0) ""
+}
+
+Warning: A non-numeric value encountered in %s on line %d
+array(1) {
+  [0]=>
+  string(40) "0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+}
+int(134512640)
+array(1) {
+  [0]=>
+  string(40) "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+}
+string(48) "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
diff --git a/tests/std/strings/bug60801.phpt b/tests/std/strings/bug60801.phpt
new file mode 100644
index 00000000..a87f4756
--- /dev/null
+++ b/tests/std/strings/bug60801.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Bug #60801 (strpbrk() mishandles NUL byte)
+--FILE--
+<?php
+$haystack = "foob\x00ar";
+$needle = "a\x00b";
+
+var_dump(strpbrk($haystack, 'ar'));
+var_dump(strpbrk($haystack, "\x00"));
+var_dump(strpbrk($haystack, $needle));
+var_dump(strpbrk('foobar', $needle));
+var_dump(strpbrk("\x00", $needle));
+var_dump(strpbrk('xyz', $needle));
+var_dump(strpbrk($haystack, 'xyz'));
+?>
+--EXPECTF--
+string(2) "ar"
+string(3) "%0ar"
+string(4) "b%0ar"
+string(3) "bar"
+string(1) "%0"
+bool(false)
+bool(false)
diff --git a/tests/std/strings/bug60965.phpt b/tests/std/strings/bug60965.phpt
new file mode 100644
index 00000000..b370d225
--- /dev/null
+++ b/tests/std/strings/bug60965.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #60965: Buffer overflow on htmlspecialchars/entities with $double=false
+--FILE--
+<?php
+echo htmlspecialchars('"""""""""""""""""""""""""""""""""""""""""""""&#x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005;',
+ENT_QUOTES, 'UTF-8', false), "\n";
+echo "Done.\n";
+?>
+--EXPECT--
+&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&quot;&#x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005;
+Done.
diff --git a/tests/std/strings/bug61038.phpt b/tests/std/strings/bug61038.phpt
new file mode 100644
index 00000000..7e1a1e4e
--- /dev/null
+++ b/tests/std/strings/bug61038.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #61038: unpack("a5", "str\0\0") does not work as expected
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+var_dump(unpack("a4", "str\0\0"));
+var_dump(unpack("a5", "str\0\0"));
+var_dump(unpack("a6", "str\0\0"));
+var_dump(unpack("a*", "str\0\0"));
+?>
+--EXPECTF--
+array(1) {
+  [1]=>
+  string(4) "str%c"
+}
+array(1) {
+  [1]=>
+  string(5) "str%c%c"
+}
+
+Warning: unpack(): Type a: not enough input values, need 6 values but only 5 were provided in %s on line %d
+bool(false)
+array(1) {
+  [1]=>
+  string(5) "str%c%c"
+}
diff --git a/tests/std/strings/bug61116.phpt b/tests/std/strings/bug61116.phpt
new file mode 100644
index 00000000..53e2e833
--- /dev/null
+++ b/tests/std/strings/bug61116.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Bug #61116 (HTML functions use encoding, not charset)
+--FILE--
+<?php
+echo new ReflectionFunction('htmlspecialchars'), "\n";
+echo new ReflectionFunction('get_html_translation_table'), "\n";
+?>
+--EXPECT--
+Function [ <internal:standard> function htmlspecialchars ] {
+
+  - Parameters [4] {
+    Parameter #0 [ <required> string $string ]
+    Parameter #1 [ <optional> int $flags = ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ]
+    Parameter #2 [ <optional> ?string $encoding = null ]
+    Parameter #3 [ <optional> bool $double_encode = true ]
+  }
+  - Return [ string ]
+}
+
+Function [ <internal:standard> function get_html_translation_table ] {
+
+  - Parameters [3] {
+    Parameter #0 [ <optional> int $table = HTML_SPECIALCHARS ]
+    Parameter #1 [ <optional> int $flags = ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ]
+    Parameter #2 [ <optional> string $encoding = "UTF-8" ]
+  }
+  - Return [ array ]
+}
diff --git a/tests/std/strings/bug61374.phpt b/tests/std/strings/bug61374.phpt
new file mode 100644
index 00000000..0607e01b
--- /dev/null
+++ b/tests/std/strings/bug61374.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #61374: html_entity_decode tries to decode code points that don't exist in ISO-8859-1
+--FILE--
+<?php
+echo html_entity_decode('&OElig;', 0, 'ISO-8859-1');
+?>
+--EXPECT--
+&OElig;
diff --git a/tests/std/strings/bug61660.phpt b/tests/std/strings/bug61660.phpt
new file mode 100644
index 00000000..0eb74bf2
--- /dev/null
+++ b/tests/std/strings/bug61660.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #61660: bin2hex(hex2bin($data)) != $data
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+var_dump(hex2bin('123'));
+
+?>
+--EXPECTF--
+Warning: hex2bin(): Hexadecimal input string must have an even length in %s on line %d
+bool(false)
diff --git a/tests/std/strings/bug61764.phpt b/tests/std/strings/bug61764.phpt
new file mode 100644
index 00000000..8c5b6db1
--- /dev/null
+++ b/tests/std/strings/bug61764.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #61764: 'I' unpacks n as signed if n > 2^31-1 on LP64
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+//expected -30000 mod 2^32 = 4294937296, and not -30000
+//because we can represent 4294937296 with our PHP int type
+print_r(unpack('I', pack('L', -30000)));
+?>
+--EXPECT--
+Array
+(
+    [1] => 4294937296
+)
diff --git a/tests/std/strings/bug62443.phpt b/tests/std/strings/bug62443.phpt
new file mode 100644
index 00000000..49b0b134
--- /dev/null
+++ b/tests/std/strings/bug62443.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #62443 Crypt SHA256/512 Segfaults With Malformed Salt
+--FILE--
+<?php
+crypt("foo", '$5$'.chr(0).'abc');
+crypt("foo", '$6$'.chr(0).'abc');
+echo "OK!";
+?>
+--EXPECT--
+OK!
diff --git a/tests/std/strings/bug62462.phpt b/tests/std/strings/bug62462.phpt
new file mode 100644
index 00000000..ac382800
--- /dev/null
+++ b/tests/std/strings/bug62462.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Multibyte characters shouldn't be split by soft line break added by quoted_printable_encode - 4 byte character test
+--FILE--
+<?php
+echo quoted_printable_encode(str_repeat("\xc4\x85", 77));
+?>
+--EXPECT--
+=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=
+=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=
+=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=
+=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=
+=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=
+=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=C4=85=
+=C4=85=C4=85=C4=85=C4=85=C4=85
diff --git a/tests/std/strings/bug63874.phpt b/tests/std/strings/bug63874.phpt
new file mode 100644
index 00000000..ab118f91
--- /dev/null
+++ b/tests/std/strings/bug63874.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Bug #63874 (Segfault if php_strip_whitespace has heredoc)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+echo php_strip_whitespace(__FILE__);
+
+return <<<A
+a
+A;
+?>
+--EXPECT--
+<?php
+echo php_strip_whitespace(__FILE__); return <<<A
+a
+A;
+?>
diff --git a/tests/std/strings/bug64879.phpt b/tests/std/strings/bug64879.phpt
new file mode 100644
index 00000000..6135fbbb
--- /dev/null
+++ b/tests/std/strings/bug64879.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #64879: quoted_printable_encode() wrong size calculation (CVE-2013-2110)
+--FILE--
+<?php
+
+quoted_printable_encode(str_repeat("\xf4", 1000));
+quoted_printable_encode(str_repeat("\xf4", 100000));
+
+echo "Done\n";
+?>
+--EXPECT--
+Done
diff --git a/tests/std/strings/bug65230.phpt b/tests/std/strings/bug65230.phpt
new file mode 100644
index 00000000..9cce006f
--- /dev/null
+++ b/tests/std/strings/bug65230.phpt
@@ -0,0 +1,61 @@
+--TEST--
+Bug #65230 setting locale randomly broken
+--SKIPIF--
+<?php
+if (substr(PHP_OS, 0, 3) != 'WIN') {
+    die('skip Windows only test');
+}
+?>
+--INI--
+date.timezone=Europe/Berlin
+error_reporting=E_ALL&~E_DEPRECATED
+--FILE--
+<?php
+
+function test($locale, $value)
+{
+    $newlocale = setlocale(LC_ALL, $locale);
+    $conv      = localeconv();
+    $sep       = $conv['decimal_point'];
+
+    printf("%s\n--------------------------\n", $newlocale);
+    printf(" sep: %s\n", $sep);
+    printf("  %%f: %f\n", $value);
+    printf("  %%F: %F\n", $value);
+    printf("date: %s\n", strftime('%x', mktime(0, 0, 0, 12, 5, 2014)));
+    printf("\n");
+}
+
+test('german', 3.41);
+test('english', 3.41);
+test('french', 3.41);
+test('german', 3.41);
+?>
+--EXPECT--
+German_Germany.1252
+--------------------------
+ sep: ,
+  %f: 3,410000
+  %F: 3.410000
+date: 05.12.2014
+
+English_United States.1252
+--------------------------
+ sep: .
+  %f: 3.410000
+  %F: 3.410000
+date: 12/5/2014
+
+French_France.1252
+--------------------------
+ sep: ,
+  %f: 3,410000
+  %F: 3.410000
+date: 05/12/2014
+
+German_Germany.1252
+--------------------------
+ sep: ,
+  %f: 3,410000
+  %F: 3.410000
+date: 05.12.2014
diff --git a/tests/std/strings/bug65769.phpt b/tests/std/strings/bug65769.phpt
new file mode 100644
index 00000000..aedc3036
--- /dev/null
+++ b/tests/std/strings/bug65769.phpt
@@ -0,0 +1,87 @@
+--TEST--
+Bug #65769 localeconv() broken in TS builds
+--SKIPIF--
+<?php
+if (substr(PHP_OS, 0, 3) != 'WIN') {
+    die('skip Windows only');
+}
+if (PHP_WINDOWS_VERSION_MAJOR < 10) {
+    die("skip for Windows 10 and above");
+}
+?>
+--FILE--
+<?php
+
+$locales = array('sve', 'french', 'us', 'ru', 'czech', 'serbian');
+
+foreach ($locales as $locale) {
+    $locale = setlocale(LC_ALL, $locale);
+    $lconv = localeconv();
+    var_dump(
+        $locale,
+        $lconv['decimal_point'],
+        $lconv['thousands_sep'],
+        $lconv['int_curr_symbol'],
+        $lconv['currency_symbol'],
+        $lconv['mon_decimal_point'],
+        $lconv['mon_thousands_sep']
+    );
+    if ($locale === 'Swedish_Sweden.1252') {
+        var_dump(in_array($lconv['mon_thousands_sep'], ['.', ' ']));
+    }
+    echo '++++++++++++++++++++++', "\n";
+}
+
+?>
++++DONE+++
+--EXPECTF--
+string(19) "Swedish_Sweden.1252"
+string(1) ","
+string(1) " "
+string(3) "SEK"
+string(2) "kr"
+string(1) ","
+string(1) "%c"
+bool(true)
+++++++++++++++++++++++
+string(18) "French_France.1252"
+string(1) ","
+string(1) " "
+string(3) "EUR"
+string(1) "€"
+string(1) ","
+string(1) " "
+++++++++++++++++++++++
+string(26) "English_United States.1252"
+string(1) "."
+string(1) ","
+string(3) "USD"
+string(1) "$"
+string(1) "."
+string(1) ","
+++++++++++++++++++++++
+string(2) "ru"
+string(1) ","
+string(1) " "
+string(3) "RUB"
+string(1) "?"
+string(1) ","
+string(1) " "
+++++++++++++++++++++++
+string(%d) "Czech_Czech%s.1250"
+string(1) ","
+string(1) " "
+string(3) "CZK"
+string(2) "Kè"
+string(1) ","
+string(1) " "
+++++++++++++++++++++++
+string(19) "Serbian_Serbia.1250"
+string(1) ","
+string(1) "."
+string(3) "RSD"
+string(3) "RSD"
+string(1) ","
+string(1) "."
+++++++++++++++++++++++
++++DONE+++
diff --git a/tests/std/strings/bug65947.phpt b/tests/std/strings/bug65947.phpt
new file mode 100644
index 00000000..1df0e004
--- /dev/null
+++ b/tests/std/strings/bug65947.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #65947 (basename is no more working after fgetcsv in certain situation)
+--FILE--
+<?php
+$filename = 'test.toto';
+// é in ISO-8859-1
+$csv = base64_decode('6Q==');
+$adata = str_getcsv($csv,";", escape: '');
+$b2 = basename($filename);
+if ($filename != $b2)
+    print "BUG";
+else
+    print "OKEY";
+?>
+--EXPECT--
+OKEY
diff --git a/tests/std/strings/bug67151.phpt b/tests/std/strings/bug67151.phpt
new file mode 100644
index 00000000..1d0c02a5
--- /dev/null
+++ b/tests/std/strings/bug67151.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Buf #67151: strtr with empty array crashes
+--FILE--
+<?php
+var_dump(strtr("foo", []));
+?>
+--EXPECT--
+string(3) "foo"
diff --git a/tests/std/strings/bug67249.phpt b/tests/std/strings/bug67249.phpt
new file mode 100644
index 00000000..a0e0843f
--- /dev/null
+++ b/tests/std/strings/bug67249.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #67249 (printf out-of-bounds read)
+--FILE--
+<?php
+try {
+    var_dump(sprintf("%'", "foo"));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+Missing padding character
diff --git a/tests/std/strings/bug67252.phpt b/tests/std/strings/bug67252.phpt
new file mode 100644
index 00000000..95997a73
--- /dev/null
+++ b/tests/std/strings/bug67252.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #67252 (convert_uudecode out-of-bounds read)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+$a = "M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A"."\n"."a.";
+var_dump(convert_uudecode($a));
+
+?>
+--EXPECTF--
+Warning: convert_uudecode(): Argument #1 ($data) is not a valid uuencoded string in %s on line %d
+bool(false)
diff --git a/tests/std/strings/bug68636.phpt b/tests/std/strings/bug68636.phpt
new file mode 100644
index 00000000..246722c7
--- /dev/null
+++ b/tests/std/strings/bug68636.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Bug #68636 (setlocale no longer returns current value per category).
+--SKIPIF--
+<?php
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die('skip Not valid for windows');
+}
+if (setlocale(LC_ALL, "en_US.UTF8") !== "en_US.UTF8") {
+    die('skip available locales not usable');
+}
+?>
+--FILE--
+<?php
+var_dump(setlocale(LC_TIME, 'en_US.UTF8'));
+var_dump(setlocale(LC_NUMERIC, 'C'));
+var_dump(setlocale(LC_TIME, 0));
+?>
+--EXPECT--
+string(10) "en_US.UTF8"
+string(1) "C"
+string(10) "en_US.UTF8"
diff --git a/tests/std/strings/bug68710.phpt b/tests/std/strings/bug68710.phpt
new file mode 100644
index 00000000..0f12b1f5
--- /dev/null
+++ b/tests/std/strings/bug68710.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Bug #68710 Use after free vulnerability in unserialize() (bypassing the
+CVE-2014-8142 fix)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+for ($i=4; $i<100; $i++) {
+    $m = new StdClass();
+
+    $u = array(1);
+
+    $m->aaa = array(1,2,&$u,4,5);
+    $m->bbb = 1;
+    $m->ccc = &$u;
+    $m->ddd = str_repeat("A", $i);
+
+    $z = serialize($m);
+    $z = str_replace("aaa", "123", $z);
+    $z = str_replace("bbb", "123", $z);
+    $y = unserialize($z);
+    $z = serialize($y);
+}
+?>
+===DONE===
+?>
+--EXPECT--
+===DONE===
diff --git a/tests/std/strings/bug68996.phpt b/tests/std/strings/bug68996.phpt
new file mode 100644
index 00000000..85029ef7
--- /dev/null
+++ b/tests/std/strings/bug68996.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #68996 (Invalid free of CG(interned_empty_string))
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+html_errors=1
+--FILE--
+<?php
+fopen("\xfc\x63", "r");
+?>
+--EXPECTF--
+<br />
+<b>Warning</b>:  fopen(�c): Failed to open stream: No such file or directory in <b>%sbug68996.php</b> on line <b>2</b><br />
diff --git a/tests/std/strings/bug69144.phpt b/tests/std/strings/bug69144.phpt
new file mode 100644
index 00000000..ded915b4
--- /dev/null
+++ b/tests/std/strings/bug69144.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #69144 (strtr not replacing with partly matching replace pairs)
+--FILE--
+<?php
+$tests = array('bar' => '', 'foo' => 'o', 'foobar' => '', 'hello' => 'hello');
+
+foreach ($tests as $input => $expected) {
+    if ($expected !== ($actual = strtr($input, array("fo" => "", "foobar" => "", "bar" => "")))) {
+        echo "KO `$input` became `$actual` instead of `$expected`\n";
+    }
+}
+echo "okey";
+?>
+--EXPECT--
+okey
diff --git a/tests/std/strings/bug69522.phpt b/tests/std/strings/bug69522.phpt
new file mode 100644
index 00000000..119543bd
--- /dev/null
+++ b/tests/std/strings/bug69522.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #69522 (heap buffer overflow in unpack())
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+$a = pack("AAAAAAAAAAAA", 1,2,3,4,5,6,7,8,9,10,11,12);
+$b = unpack('h2147483648', $a);
+?>
+--EXPECTF--
+Warning: unpack(): Type h: integer overflow in %s on line %d
diff --git a/tests/std/strings/bug69751.phpt b/tests/std/strings/bug69751.phpt
new file mode 100644
index 00000000..f75af897
--- /dev/null
+++ b/tests/std/strings/bug69751.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Bug #69751: Change Error message of sprintf/printf for missing/typo position specifier.
+--FILE--
+<?php
+
+try {
+    sprintf('%$s, %2$s %1$s', "a", "b");
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    sprintf('%3$s, %2$s %1$s', "a", "b");
+} catch (ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    sprintf('%2147483648$s, %2$s %1$s', "a", "b");
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECTF--
+Argument number specifier must be greater than zero and less than %d
+4 arguments are required, 3 given
+Argument number specifier must be greater than zero and less than %d
diff --git a/tests/std/strings/bug70487.phpt b/tests/std/strings/bug70487.phpt
new file mode 100644
index 00000000..e4ca1ff0
--- /dev/null
+++ b/tests/std/strings/bug70487.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #70487: pack('x') produces an error
+--FILE--
+<?php
+
+var_dump(pack('x') === "\0");
+
+?>
+--EXPECT--
+bool(true)
diff --git a/tests/std/strings/bug70667.phpt b/tests/std/strings/bug70667.phpt
new file mode 100644
index 00000000..fd3deadb
--- /dev/null
+++ b/tests/std/strings/bug70667.phpt
@@ -0,0 +1,9 @@
+--TEST--
+Bug #70667 (strtr() causes invalid writes and a crashes)
+--FILE--
+<?php
+$a = array("{{language_id}}"=>"255", "{{partner_name}}"=>"test1");
+var_dump(strtr("Sign in to test1", $a));
+?>
+--EXPECT--
+string(16) "Sign in to test1"
diff --git a/tests/std/strings/bug70720.phpt b/tests/std/strings/bug70720.phpt
new file mode 100644
index 00000000..cdfa4794
--- /dev/null
+++ b/tests/std/strings/bug70720.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #70720 (strip_tags() doesn't handle "xml" correctly)
+--FILE--
+<?php
+var_dump(strip_tags('<?php $dom->test(); ?> this is a test'));
+var_dump(strip_tags('<?php $xml->test(); ?> this is a test'));
+var_dump(strip_tags('<?xml $xml->test(); ?> this is a test'));
+
+/* "->" case in HTML */
+var_dump(strip_tags("<span class=sf-dump-> this is a test</span>"));
+?>
+--EXPECT--
+string(15) " this is a test"
+string(15) " this is a test"
+string(15) " this is a test"
+string(15) " this is a test"
diff --git a/tests/std/strings/bug71188.phpt b/tests/std/strings/bug71188.phpt
new file mode 100644
index 00000000..10738253
--- /dev/null
+++ b/tests/std/strings/bug71188.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Bug #71188 (str_replace converts integers in original $search array to strings)
+--FILE--
+<?php
+$a = [0, 1, 2];
+$b = ["Nula", "Jedna", "Dva"];
+
+var_dump($a);
+str_replace($a, $b, "1");
+var_dump($a);
+?>
+--EXPECT--
+array(3) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+array(3) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
diff --git a/tests/std/strings/bug71190.phpt b/tests/std/strings/bug71190.phpt
new file mode 100644
index 00000000..feabe7c1
--- /dev/null
+++ b/tests/std/strings/bug71190.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Bug #71190 (substr_replace converts integers in original $search array to strings)
+--FILE--
+<?php
+$b = [0, 1, 2];
+
+var_dump($b);
+substr_replace("test", $b, "1");
+var_dump($b);
+?>
+--EXPECT--
+array(3) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+array(3) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
diff --git a/tests/std/strings/bug71806.phpt b/tests/std/strings/bug71806.phpt
new file mode 100644
index 00000000..ea7658e1
--- /dev/null
+++ b/tests/std/strings/bug71806.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #71806 (php_strip_whitespace() fails on some numerical values)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo php_strip_whitespace(__DIR__ . '/bug71806.data');
+
+?>
+--EXPECT--
+<?php
+ echo 098 ;
diff --git a/tests/std/strings/bug71969.phpt b/tests/std/strings/bug71969.phpt
new file mode 100644
index 00000000..5d2153c3
--- /dev/null
+++ b/tests/std/strings/bug71969.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Bug #71969 (str_replace returns an incorrect resulting array after a foreach by reference)
+--FILE--
+<?php
+$a = array(
+    array("one" => array("a"=>"0000", "b"=>"1111")),
+);
+
+//foreach by reference, changing the array value
+foreach($a as &$record)
+{
+    $record["one"]["a"] = "2222";
+}
+var_dump(str_replace("2", "3", $a));
+?>
+--EXPECTF--
+Warning: Array to string conversion in %s on line %d
+array(1) {
+  [0]=>
+  string(5) "Array"
+}
diff --git a/tests/std/strings/bug72100.phpt b/tests/std/strings/bug72100.phpt
new file mode 100644
index 00000000..7fcc0831
--- /dev/null
+++ b/tests/std/strings/bug72100.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Test implode() function, problems with big numbers
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+var_dump( implode(" ", ["hello long", 999999999999999999, PHP_INT_MAX]));
+var_dump( implode(" ", ["hello negative long", -999999999999999999, PHP_INT_MIN] ) );
+var_dump( implode(" ", ["hello small long", -101, -100, -99, -90, -11, -10, -9, -1, 0, 1, 2, 9, 10, 11, 90, 99, 100, 101] ) );
+echo "Done\n";
+?>
+--EXPECT--
+string(49) "hello long 999999999999999999 9223372036854775807"
+string(60) "hello negative long -999999999999999999 -9223372036854775808"
+string(76) "hello small long -101 -100 -99 -90 -11 -10 -9 -1 0 1 2 9 10 11 90 99 100 101"
+Done
diff --git a/tests/std/strings/bug72146.phpt b/tests/std/strings/bug72146.phpt
new file mode 100644
index 00000000..72b33257
--- /dev/null
+++ b/tests/std/strings/bug72146.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #72146 (Integer overflow on substr_replace)
+--FILE--
+<?php 
+var_dump(substr_replace(["ABCDE"], "123", 3, PHP_INT_MAX));
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  string(6) "ABC123"
+}
diff --git a/tests/std/strings/bug72152.phpt b/tests/std/strings/bug72152.phpt
new file mode 100644
index 00000000..02f49882
--- /dev/null
+++ b/tests/std/strings/bug72152.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #72152 (base64_decode $strict fails to detect null byte)
+--FILE--
+<?php
+var_dump(base64_decode("\x00", true));
+var_dump(base64_decode("\x00VVVV", true));
+var_dump(base64_decode("VVVV\x00", true));
+?>
+--EXPECT--
+bool(false)
+bool(false)
+bool(false)
diff --git a/tests/std/strings/bug72263.phpt b/tests/std/strings/bug72263.phpt
new file mode 100644
index 00000000..c6694f02
--- /dev/null
+++ b/tests/std/strings/bug72263.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #72263 (base64_decode skips a character after padding in strict mode)
+--FILE--
+<?php
+var_dump(base64_decode("*", true));
+var_dump(base64_decode("=*", true));
+var_dump(base64_decode("VVV=", true));
+var_dump(base64_decode("VVV=*", true));
+?>
+--EXPECT--
+bool(false)
+bool(false)
+string(2) "UU"
+bool(false)
diff --git a/tests/std/strings/bug72264.phpt b/tests/std/strings/bug72264.phpt
new file mode 100644
index 00000000..da597d26
--- /dev/null
+++ b/tests/std/strings/bug72264.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #72264 (base64_decode $strict fails with whitespace between padding)
+--FILE--
+<?php
+var_dump(base64_decode("VV= =", true));
+?>
+--EXPECT--
+string(1) "U"
diff --git a/tests/std/strings/bug72433.phpt b/tests/std/strings/bug72433.phpt
new file mode 100644
index 00000000..e298e88a
--- /dev/null
+++ b/tests/std/strings/bug72433.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #72433: Use After Free Vulnerability in PHP's GC algorithm and unserialize
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+$serialized_payload = 'a:3:{i:0;r:1;i:1;r:1;i:2;C:11:"ArrayObject":19:{x:i:0;r:1;;m:a:0:{}}}';
+var_dump(unserialize($serialized_payload));
+?>
+--EXPECTF--
+Warning: unserialize(): Error at offset 13 of 69 bytes in %s on line %d
+bool(false)
diff --git a/tests/std/strings/bug72434.phpt b/tests/std/strings/bug72434.phpt
new file mode 100644
index 00000000..6d64baa2
--- /dev/null
+++ b/tests/std/strings/bug72434.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Bug #72434: ZipArchive class Use After Free Vulnerability in PHP's GC algorithm and unserialize
+--FILE--
+<?php
+// The following array will be serialized and this representation will be freed later on.
+$free_me = array(new StdClass());
+// Create our payload and unserialize it.
+$serialized_payload = 'a:3:{i:1;N;i:2;O:10:"ZipArchive":1:{s:8:"filename";'.serialize($free_me).'}i:1;R:4;}';
+$unserialized_payload = unserialize($serialized_payload);
+gc_collect_cycles();
+// The reference counter for $free_me is at -1 for PHP 7 right now.
+// Increment the reference counter by 1 -> rc is 0
+$a = $unserialized_payload[1];
+// Increment the reference counter by 1 again -> rc is 1
+$b = $a;
+// Trigger free of $free_me (referenced by $m[1]).
+unset($b);
+$fill_freed_space_1 = "filler_zval_1";
+$fill_freed_space_2 = "filler_zval_2";
+$fill_freed_space_3 = "filler_zval_3";
+$fill_freed_space_4 = "filler_zval_4";
+debug_zval_dump($unserialized_payload[1]);
+?>
+--EXPECTF--
+array(1) refcount(3){
+  [0]=>
+  object(stdClass)#%d (0) refcount(1){
+  }
+}
diff --git a/tests/std/strings/bug72663.phpt b/tests/std/strings/bug72663.phpt
new file mode 100644
index 00000000..92bfc8e9
--- /dev/null
+++ b/tests/std/strings/bug72663.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Bug #72663: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+class obj implements Serializable {
+    var $data;
+    function serialize() {
+        return serialize($this->data);
+    }
+    function unserialize($data) {
+        $this->data = unserialize($data);
+    }
+}
+
+$inner = 'a:1:{i:0;O:9:"Exception":2:{s:7:"'."\0".'*'."\0".'file";s:0:"";}';
+$exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;R:4;}';
+
+var_dump(unserialize($exploit));
+?>
+DONE
+--EXPECTF--
+Deprecated: %s implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in %s on line %d
+
+Warning: unserialize(): Unexpected end of serialized data in %s on line %d
+
+Warning: unserialize(): Error at offset 49 of 50 bytes in %s on line %d
+
+Warning: unserialize(): Error at offset 82 of 83 bytes in %s on line %d
+bool(false)
+DONE
diff --git a/tests/std/strings/bug72663_2.phpt b/tests/std/strings/bug72663_2.phpt
new file mode 100644
index 00000000..7b279997
--- /dev/null
+++ b/tests/std/strings/bug72663_2.phpt
@@ -0,0 +1,26 @@
+--TEST--
+Bug #72663: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--EXTENSIONS--
+session
+--FILE--
+<?php
+
+ini_set('session.serialize_handler', 'php_serialize');
+session_start();
+$sess = 'O:9:"Exception":2:{s:7:"'."\0".'*'."\0".'file";s:0:"";}';
+session_decode($sess);
+var_dump($_SESSION);
+?>
+DONE
+?>
+--EXPECTF--
+Warning: session_decode(): Unexpected end of serialized data in %s on line %d
+
+Warning: session_decode(): Failed to decode session object. Session has been destroyed in %s on line %d
+array(0) {
+}
+DONE
diff --git a/tests/std/strings/bug72663_3.phpt b/tests/std/strings/bug72663_3.phpt
new file mode 100644
index 00000000..ffe848e3
--- /dev/null
+++ b/tests/std/strings/bug72663_3.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Bug #72663: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+class obj {
+    var $ryat;
+    function __wakeup() {
+        $this->ryat = str_repeat('A', 0x112);
+    }
+}
+
+$poc = 'O:8:"stdClass":1:{i:0;O:3:"obj":1:{s:4:"ryat";R:1;';
+unserialize($poc);
+?>
+DONE
+--EXPECTF--
+Warning: unserialize(): Error at offset 50 of 50 bytes in %s on line %d
+DONE
diff --git a/tests/std/strings/bug72823.phpt b/tests/std/strings/bug72823.phpt
new file mode 100644
index 00000000..1571fdc7
--- /dev/null
+++ b/tests/std/strings/bug72823.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #72823 (strtr out-of-bound access)
+--FILE--
+<?php
+var_dump(
+    strtr(11, array('aaa' => 'bbb'))
+);
+?>
+--EXPECT--
+string(2) "11"
diff --git a/tests/std/strings/bug73058.phpt b/tests/std/strings/bug73058.phpt
new file mode 100644
index 00000000..a9cce19f
--- /dev/null
+++ b/tests/std/strings/bug73058.phpt
@@ -0,0 +1,26 @@
+--TEST--
+Bug #73058 crypt broken when salt is 'too' long
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$pass = 'secret';
+
+$salt = '$2y$07$usesomesillystringforsalt$';
+var_dump(crypt($pass, $salt));
+
+$salt = '$2y$07$usesomesillystringforsaltzzzzzzzzzzzzz$';
+var_dump(crypt($pass, $salt));
+
+$salt = '$2y$07$usesomesillystringforx';
+var_dump(crypt($pass, $salt));
+
+?>
+==OK==
+--EXPECT--
+string(60) "$2y$07$usesomesillystringforex.u2VJUMLRWaJNuw0Hu2FvCEimdeYVO"
+string(60) "$2y$07$usesomesillystringforex.u2VJUMLRWaJNuw0Hu2FvCEimdeYVO"
+string(60) "$2y$07$usesomesillystringforuw2Gm1ef7lMsvtzSK2p/14F0q1e8uOCO"
+==OK==
diff --git a/tests/std/strings/bug73817.phpt b/tests/std/strings/bug73817.phpt
new file mode 100644
index 00000000..541ce97c
--- /dev/null
+++ b/tests/std/strings/bug73817.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Bug #73817 (Incorrect entries in get_html_translation_table)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$entities = get_html_translation_table( HTML_ENTITIES, ENT_QUOTES | ENT_HTML5);
+foreach ($entities as $entity) {
+    if (substr($entity, -1) !== ';') {
+        var_dump($entity);
+    }
+}
+?>
+===DONE===
+--EXPECT--
+===DONE===
diff --git a/tests/std/strings/bug74041.phpt b/tests/std/strings/bug74041.phpt
new file mode 100644
index 00000000..598e46d8
--- /dev/null
+++ b/tests/std/strings/bug74041.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #74041: substr_count with length=0 broken
+--FILE--
+<?php
+
+var_dump(substr_count("aaa", "a", 0, 0));
+var_dump(substr_count("", "a", 0, 0));
+
+?>
+--EXPECT--
+int(0)
+int(0)
diff --git a/tests/std/strings/bug75075.phpt b/tests/std/strings/bug75075.phpt
new file mode 100644
index 00000000..f9146b1d
--- /dev/null
+++ b/tests/std/strings/bug75075.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #75075 (unpack with X* causes infinity loop)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+var_dump(unpack("X*", ""));
+?>
+--EXPECTF--
+Warning: unpack(): Type X: '*' ignored in %sbug75075.php on line %d
+array(0) {
+}
diff --git a/tests/std/strings/bug77439.phpt b/tests/std/strings/bug77439.phpt
new file mode 100644
index 00000000..98ae5622
--- /dev/null
+++ b/tests/std/strings/bug77439.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Bug #77439: parse_str segfaults when inserting item into existing array
+--FILE--
+<?php
+$vars = ['a' => []];
+parse_str('a[1]=1', $vars);
+var_dump($vars['a']);
+?>
+--EXPECT--
+array(1) {
+  [1]=>
+  string(1) "1"
+}
diff --git a/tests/std/strings/bug77853.phpt b/tests/std/strings/bug77853.phpt
new file mode 100644
index 00000000..ad4f4c59
--- /dev/null
+++ b/tests/std/strings/bug77853.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Bug #77853: Inconsistent substr_compare behaviour with empty haystack
+--FILE--
+<?php
+
+var_dump(substr_compare('', '', 0, 0));
+var_dump(substr_compare('', '', 0));
+
+var_dump(substr_compare('abc', '', 3, 0));
+var_dump(substr_compare('abc', '', 3));
+
+var_dump(substr_compare('abc', "\0", 3));
+
+?>
+--EXPECT--
+int(0)
+int(0)
+int(0)
+int(0)
+int(-1)
diff --git a/tests/std/strings/bug78003.phpt b/tests/std/strings/bug78003.phpt
new file mode 100644
index 00000000..2420191f
--- /dev/null
+++ b/tests/std/strings/bug78003.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #78003 (strip_tags output change since PHP 7.3)
+--FILE--
+<?php
+var_dump(
+    strip_tags('<foo<>bar>'),
+    strip_tags('<foo<!>bar>'),
+    strip_tags('<foo<?>bar>')
+);
+?>
+--EXPECT--
+string(0) ""
+string(0) ""
+string(0) ""
diff --git a/tests/std/strings/bug78346.phpt b/tests/std/strings/bug78346.phpt
new file mode 100644
index 00000000..f2c508f0
--- /dev/null
+++ b/tests/std/strings/bug78346.phpt
@@ -0,0 +1,9 @@
+--TEST--
+Bug #78346 (strip_tags no longer handling nested php tags)
+--FILE--
+<?php
+$str = '<?= \'<?= 1 ?>\' ?>2';
+var_dump(strip_tags($str));
+?>
+--EXPECT--
+string(1) "2"
diff --git a/tests/std/strings/bug78612.phpt b/tests/std/strings/bug78612.phpt
new file mode 100644
index 00000000..62bbbf03
--- /dev/null
+++ b/tests/std/strings/bug78612.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Bug #78612 (strtr leaks memory when integer keys are used and the subject string shorter).
+--FILE--
+<?php
+
+$find_replace = [];
+$_a = 333000001;
+$_b = 5000001;
+
+for ($j=0; $j<10; $j++) {
+    $find_replace[$_a + $j] = $_b + $j;
+}
+
+echo strtr('Hello', $find_replace), "\n";
+
+?>
+--EXPECT--
+Hello
diff --git a/tests/std/strings/bug78814.phpt b/tests/std/strings/bug78814.phpt
new file mode 100644
index 00000000..c8ad8373
--- /dev/null
+++ b/tests/std/strings/bug78814.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Bug #78814 (strip_tags allows / in tag name => whitelist bypass)
+--FILE--
+<?php
+echo strip_tags("<s/trong>b</strong>", "<strong>");
+?>
+--EXPECT--
+b</strong>
diff --git a/tests/std/strings/bug78833.phpt b/tests/std/strings/bug78833.phpt
new file mode 100644
index 00000000..7712e133
--- /dev/null
+++ b/tests/std/strings/bug78833.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #78833 (Integer overflow in pack causes out-of-bound access)
+--FILE--
+<?php
+try {
+    var_dump(pack("E2E2147483647H*", 0x0, 0x0, 0x0));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+Type E: too few arguments
diff --git a/tests/std/strings/bug78840.phpt b/tests/std/strings/bug78840.phpt
new file mode 100644
index 00000000..bbd81c34
--- /dev/null
+++ b/tests/std/strings/bug78840.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #78840 (imploding $GLOBALS crashes)
+--SKIPIF--
+<?php
+echo 'skip AOT C++ compilation failed';
+?>
+--FILE--
+<?php
+$glue = '';
+@implode($glue, $GLOBALS);
+echo "done\n";
+?>
+--EXPECT--
+done
diff --git a/tests/std/strings/bug79951.phpt b/tests/std/strings/bug79951.phpt
new file mode 100644
index 00000000..5663ba6c
--- /dev/null
+++ b/tests/std/strings/bug79951.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #79951: Memory leak in str_replace of empty string
+--FILE--
+<?php
+
+var_dump(str_replace([""], [1000], "foo"));
+
+?>
+--EXPECT--
+string(3) "foo"
diff --git a/tests/std/strings/chop_basic.phpt b/tests/std/strings/chop_basic.phpt
new file mode 100644
index 00000000..4a11f9c3
--- /dev/null
+++ b/tests/std/strings/chop_basic.phpt
@@ -0,0 +1,33 @@
+--TEST--
+Test chop() function : basic functionality
+--FILE--
+<?php
+/*
+ * Testing chop(): basic functionality
+*/
+
+echo "*** Testing chop() : basic functionality ***\n";
+
+// Initialize all required variables
+$str = "hello world\t\n\r\0\x0B  ";
+$charlist = 'dl ';
+
+// Calling chop() with default arguments
+var_dump( chop($str) );
+
+// Calling chop() with all arguments
+var_dump( chop($str, $charlist) );
+
+// Calling chop() with the charlist not present at the end of input string
+var_dump( chop($str, '!') );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing chop() : basic functionality ***
+string(11) "hello world"
+string(16) "hello world	
+
%0"
+string(18) "hello world	
+
%0  "
+Done
diff --git a/tests/std/strings/chop_variation3.phpt b/tests/std/strings/chop_variation3.phpt
new file mode 100644
index 00000000..f1ffce9a
--- /dev/null
+++ b/tests/std/strings/chop_variation3.phpt
@@ -0,0 +1,96 @@
+--TEST--
+Test chop() function : usage variations - with heredoc string
+--FILE--
+<?php
+/*
+ * Testing chop() : with heredoc strings
+*/
+
+echo "*** Testing chop() : with heredoc strings ***\n";
+
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+           $heredoc_with_newline_and_tabs,
+           $heredoc_with_alphanumerics,
+           $heredoc_with_embedded_nulls
+           );
+$count = 1;
+foreach($heredoc_strings as $string)  {
+  echo "\n--- Iteration $count ---\n";
+  var_dump( chop($string) );
+  var_dump( chop($string, "12345o\0\n\t") );
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing chop() : with heredoc strings ***
+
+--- Iteration 1 ---
+string(0) ""
+string(0) ""
+
+--- Iteration 2 ---
+string(0) ""
+string(0) ""
+
+--- Iteration 3 ---
+string(86) "first line of heredoc string
+second line of heredoc string
+third line of heredocstring"
+string(86) "first line of heredoc string
+second line of heredoc string
+third line of heredocstring"
+
+--- Iteration 4 ---
+string(23) "hello	world
+hello
+world"
+string(23) "hello	world
+hello
+world"
+
+--- Iteration 5 ---
+string(31) "hello123world456
+1234hello	1234"
+string(25) "hello123world456
+1234hell"
+
+--- Iteration 6 ---
+string(24) "hello%0world%0hello
+%0hello"
+string(23) "hello%0world%0hello
+%0hell"
+Done
diff --git a/tests/std/strings/chop_variation4.phpt b/tests/std/strings/chop_variation4.phpt
new file mode 100644
index 00000000..8b49b253
--- /dev/null
+++ b/tests/std/strings/chop_variation4.phpt
@@ -0,0 +1,88 @@
+--TEST--
+Test chop() function : usage variations - strings with embedded nulls
+--FILE--
+<?php
+/*
+ * Testing chop() : with nulls embedded in input string
+*/
+
+echo "*** Testing chop() : string with embedded nulls ***\n";
+
+// defining varous strings with embedded nulls
+$strings_with_nulls = array(
+               "hello\0world",
+               "\0hello",
+               "hello\0",
+               "\0\0hello\tworld\0\0",
+               "\\0hello\\0",
+               'hello\0\0',
+               chr(0),
+               chr(0).chr(0),
+                   chr(0).'hello'.chr(0),
+               'hello'.chr(0).'world'
+               );
+
+$count = 1;
+foreach($strings_with_nulls as $string)  {
+  echo "\n--- Iteration $count ---\n";
+  var_dump( chop($string) );
+  var_dump( chop($string, "\0") );
+  var_dump( chop($string, '\0') );
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing chop() : string with embedded nulls ***
+
+--- Iteration 1 ---
+string(11) "hello%0world"
+string(11) "hello%0world"
+string(11) "hello%0world"
+
+--- Iteration 2 ---
+string(6) "%0hello"
+string(6) "%0hello"
+string(6) "%0hello"
+
+--- Iteration 3 ---
+string(5) "hello"
+string(5) "hello"
+string(6) "hello%0"
+
+--- Iteration 4 ---
+string(13) "%0%0hello	world"
+string(13) "%0%0hello	world"
+string(15) "%0%0hello	world%0%0"
+
+--- Iteration 5 ---
+string(9) "\0hello\0"
+string(9) "\0hello\0"
+string(7) "\0hello"
+
+--- Iteration 6 ---
+string(9) "hello\0\0"
+string(9) "hello\0\0"
+string(5) "hello"
+
+--- Iteration 7 ---
+string(0) ""
+string(0) ""
+string(1) "%0"
+
+--- Iteration 8 ---
+string(0) ""
+string(0) ""
+string(2) "%0%0"
+
+--- Iteration 9 ---
+string(6) "%0hello"
+string(6) "%0hello"
+string(7) "%0hello%0"
+
+--- Iteration 10 ---
+string(11) "hello%0world"
+string(11) "hello%0world"
+string(11) "hello%0world"
+Done
diff --git a/tests/std/strings/chop_variation5.phpt b/tests/std/strings/chop_variation5.phpt
new file mode 100644
index 00000000..2b86a971
--- /dev/null
+++ b/tests/std/strings/chop_variation5.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Test chop() function : usage variations - miscellaneous arguments
+--FILE--
+<?php
+/*
+ * Testing chop() : with miscellaneous arguments
+*/
+
+echo "*** Testing chop() : with miscellaneous arguments ***\n";
+
+ var_dump ( chop("chop test   \t\0 ") );                       /* without second Argument */
+ var_dump ( chop("chop test   " , "") );                       /* no characters in second Argument */
+ var_dump ( chop("chop test        ", true) );                 /* with boolean value as second Argument */
+ var_dump ( chop("chop test        ", " ") );                  /* with single space as second Argument */
+ var_dump ( chop("chop test \t\n\r\0\x0B", "\t\n\r\0\x0B") );  /* with multiple escape sequences as second Argument */
+ var_dump ( chop("chop testABCXYZ", "A..Z") );                 /* with characters range as second Argument */
+ var_dump ( chop("chop test0123456789", "0..9") );             /* with numbers range as second Argument */
+ var_dump ( chop("chop test$#@", "#@$") );                     /* with some special characters as second Argument */
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing chop() : with miscellaneous arguments ***
+string(9) "chop test"
+string(12) "chop test   "
+string(17) "chop test        "
+string(9) "chop test"
+string(10) "chop test "
+string(9) "chop test"
+string(9) "chop test"
+string(9) "chop test"
+Done
diff --git a/tests/std/strings/chr_basic.phpt b/tests/std/strings/chr_basic.phpt
new file mode 100644
index 00000000..3ba76ec3
--- /dev/null
+++ b/tests/std/strings/chr_basic.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Test chr() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing chr() : basic functionality ***\n";
+
+echo chr(72). chr(101) . chr(108) . chr(108). chr(111); // Hello
+echo chr(10); // "\n"
+echo "World";
+echo "\n";
+?>
+--EXPECT--
+*** Testing chr() : basic functionality ***
+Hello
+World
diff --git a/tests/std/strings/chr_error.phpt b/tests/std/strings/chr_error.phpt
new file mode 100644
index 00000000..0c1d9402
--- /dev/null
+++ b/tests/std/strings/chr_error.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Test chr() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT compile-time argument checking differs from PHP runtime';
+?>
+--FILE--
+<?php
+
+echo "*** Testing chr() : error conditions ***\n";
+
+echo "\n-- Testing chr() function with no arguments --\n";
+try {
+    var_dump( chr() );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "\n-- Testing chr() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+try {
+    var_dump( chr(72, $extra_arg) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+*** Testing chr() : error conditions ***
+
+-- Testing chr() function with no arguments --
+chr() expects exactly 1 argument, 0 given
+
+-- Testing chr() function with more than expected no. of arguments --
+chr() expects exactly 1 argument, 2 given
diff --git a/tests/std/strings/chr_out_of_range.phpt b/tests/std/strings/chr_out_of_range.phpt
new file mode 100644
index 00000000..e0100f09
--- /dev/null
+++ b/tests/std/strings/chr_out_of_range.phpt
@@ -0,0 +1,19 @@
+--TEST--
+chr() with out of range values
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+var_dump("\xFF" == chr(-1));
+var_dump("\0" == chr(256));
+
+?>
+--EXPECTF--
+Deprecated: chr(): Providing a value not in-between 0 and 255 is deprecated, this is because a byte value must be in the [0, 255] interval. The value used will be constrained using % 256 in %s on line 3
+bool(true)
+
+Deprecated: chr(): Providing a value not in-between 0 and 255 is deprecated, this is because a byte value must be in the [0, 255] interval. The value used will be constrained using % 256 in %s on line 4
+bool(true)
diff --git a/tests/std/strings/chr_variation1.phpt b/tests/std/strings/chr_variation1.phpt
new file mode 100644
index 00000000..fba16b26
--- /dev/null
+++ b/tests/std/strings/chr_variation1.phpt
@@ -0,0 +1,48 @@
+--TEST--
+Test chr() function : usage variations - test values for $ascii argument
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+
+echo "*** Testing chr() function: with unexpected inputs for 'ascii' argument ***\n";
+
+// array with different values for $input
+$inputs = [
+	0,
+	1,
+	255,
+	// float values
+	10.5,
+	// bool values
+	true,
+	false,
+];
+
+// loop through with each element of the $inputs array to test chr() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( bin2hex(chr($input)) );
+  $count ++;
+}
+
+?>
+--EXPECTF--
+*** Testing chr() function: with unexpected inputs for 'ascii' argument ***
+-- Iteration 1 --
+string(2) "00"
+-- Iteration 2 --
+string(2) "01"
+-- Iteration 3 --
+string(2) "ff"
+-- Iteration 4 --
+
+Deprecated: Implicit conversion from float 10.5 to int loses precision in %s on line %d
+string(2) "0a"
+-- Iteration 5 --
+string(2) "01"
+-- Iteration 6 --
+string(2) "00"
diff --git a/tests/std/strings/chunk_split.phpt b/tests/std/strings/chunk_split.phpt
new file mode 100644
index 00000000..a2696cd2
--- /dev/null
+++ b/tests/std/strings/chunk_split.phpt
@@ -0,0 +1,21 @@
+--TEST--
+chunk_split() function
+--FILE--
+<?php
+echo chunk_split('abc', 1, '-')."\n";
+echo chunk_split('foooooooooooooooo', 5)."\n";
+echo chunk_split(str_repeat('X', 2*76))."\n";
+echo chunk_split("test", 10, "|end") . "\n";
+
+?>
+--EXPECT--
+a-b-c-
+foooo
+ooooo
+ooooo
+oo
+
+XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+
+test|end
diff --git a/tests/std/strings/chunk_split_basic.phpt b/tests/std/strings/chunk_split_basic.phpt
new file mode 100644
index 00000000..219e4099
--- /dev/null
+++ b/tests/std/strings/chunk_split_basic.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test chunk_split() function : basic functionality
+--FILE--
+<?php
+/*
+* Testing chunk_split() for basic functionality by passing all possible
+* arguments as well as with default arguments chunklen and ending
+*/
+
+echo "*** Testing chunk_split() : basic functionality ***\n";
+
+
+// Initialise all required variables
+$str = 'Testing';
+$chunklen = 2;
+$ending = '##';
+
+// Calling chunk_split() with all possible arguments
+echo "-- Testing chunk_split() with all possible arguments --\n";
+var_dump( chunk_split($str, $chunklen, $ending) );
+
+
+// Calling chunk_split() with default ending string
+echo "-- Testing chunk_split() with default ending string --\n";
+var_dump( chunk_split($str, $chunklen) );
+
+
+//Calling chunk_split() with default chunklen and ending string
+echo "-- Testing chunk_split() with default chunklen and ending string --\n";
+var_dump( chunk_split($str) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing chunk_split() : basic functionality ***
+-- Testing chunk_split() with all possible arguments --
+string(15) "Te##st##in##g##"
+-- Testing chunk_split() with default ending string --
+string(15) "Te
+st
+in
+g
+"
+-- Testing chunk_split() with default chunklen and ending string --
+string(9) "Testing
+"
+Done
diff --git a/tests/std/strings/chunk_split_variation11.phpt b/tests/std/strings/chunk_split_variation11.phpt
new file mode 100644
index 00000000..d4430e9a
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation11.phpt
@@ -0,0 +1,89 @@
+--TEST--
+Test chunk_split() function : usage variations - different strings for 'ending' with heredoc 'str'
+--FILE--
+<?php
+/*
+* passing different strings for 'ending' and heredoc string as 'str' to chunk_split()
+* 'chunklen' is set to 6E0 for this testcase
+*/
+
+echo "*** Testing chunk_split() : different values for 'ending' with heredoc 'str'***\n";
+
+// Initializing required variables
+// heredoc string for 'str' argument
+$heredoc_str = <<<EOT
+This is heredoc string with \t and \n.It also contains
+sPeci@! ch@r$ :) & numbers 222.This is \k wrong escape char.
+EOT;
+
+$chunklen = 6E+0;
+
+//different values for 'ending'
+$values = array (
+  "",  //empty
+  " ",  //space
+  "a",  //single char
+  "ENDING",  //regular string
+  "\r\n",  //White space char
+  "123",  //Numeric
+  ")speci@! ch@r$(",  //String with special chars
+);
+
+//loop through each values for 'ending'
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration ".($count+1). " --\n";
+  var_dump( chunk_split($heredoc_str, $chunklen, $values[$count]) );
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing chunk_split() : different values for 'ending' with heredoc 'str'***
+-- Iteration 1 --
+string(113) "This is heredoc string with 	 and 
+.It also contains
+sPeci@! ch@r$ :) & numbers 222.This is \k wrong escape char."
+-- Iteration 2 --
+string(132) "This i s here doc st ring w ith 	  and 
+. It als o cont ains
+s Peci@!  ch@r$  :) &  number s 222. This i s \k w rong e scape  char. "
+-- Iteration 3 --
+string(132) "This ias hereadoc staring waith 	 aand 
+.aIt alsao contaains
+saPeci@!a ch@r$a :) & anumberas 222.aThis ias \k warong eascape achar.a"
+-- Iteration 4 --
+string(227) "This iENDINGs hereENDINGdoc stENDINGring wENDINGith 	 ENDINGand 
+.ENDINGIt alsENDINGo contENDINGains
+sENDINGPeci@!ENDING ch@r$ENDING :) & ENDINGnumberENDINGs 222.ENDINGThis iENDINGs \k wENDINGrong eENDINGscape ENDINGchar.ENDING"
+-- Iteration 5 --
+string(151) "This i
+s here
+doc st
+ring w
+ith 	 
+and 
+.
+It als
+o cont
+ains
+s
+Peci@!
+ ch@r$
+ :) & 
+number
+s 222.
+This i
+s \k w
+rong e
+scape 
+char.
+"
+-- Iteration 6 --
+string(170) "This i123s here123doc st123ring w123ith 	 123and 
+.123It als123o cont123ains
+s123Peci@!123 ch@r$123 :) & 123number123s 222.123This i123s \k w123rong e123scape 123char.123"
+-- Iteration 7 --
+string(398) "This i)speci@! ch@r$(s here)speci@! ch@r$(doc st)speci@! ch@r$(ring w)speci@! ch@r$(ith 	 )speci@! ch@r$(and 
+.)speci@! ch@r$(It als)speci@! ch@r$(o cont)speci@! ch@r$(ains
+s)speci@! ch@r$(Peci@!)speci@! ch@r$( ch@r$)speci@! ch@r$( :) & )speci@! ch@r$(number)speci@! ch@r$(s 222.)speci@! ch@r$(This i)speci@! ch@r$(s \k w)speci@! ch@r$(rong e)speci@! ch@r$(scape )speci@! ch@r$(char.)speci@! ch@r$("
+Done
diff --git a/tests/std/strings/chunk_split_variation12.phpt b/tests/std/strings/chunk_split_variation12.phpt
new file mode 100644
index 00000000..4d7e4a1d
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation12.phpt
@@ -0,0 +1,139 @@
+--TEST--
+Test chunk_split() function : usage variations - different heredoc strings for 'ending' argument
+--FILE--
+<?php
+/*
+* passing different heredoc strings as 'ending' argument to chunk_split()
+* 'chunklen' argument is set to 10
+*/
+
+echo "*** Testing chunk_split() : different heredoc strings for 'ending' argument ***\n";
+
+// Initializing required variables
+$chunklen = 10;
+$str = "This is str to check with heredoc ending.This\tcontains,\nspeci@! ch@r$ __with wrong \k escape char 222.";
+
+// Null heredoc string
+$heredoc_null = <<<EOT1
+EOT1;
+
+// heredoc string with single character
+$heredoc_char = <<<EOT2
+a
+EOT2;
+
+// simple heredoc string
+$heredoc_str = <<<EOT3
+This is simple heredoc string
+EOT3;
+
+// heredoc with special characters
+$heredoc_spchar = <<<EOT4
+This checks with $, %, &, chars
+EOT4;
+
+// blank heredoc string
+$heredoc_blank = <<<EOT5
+
+EOT5;
+
+// heredoc with different white space characters
+$heredoc_escchar = <<<EOT6
+This checks\t and \nwhite space chars
+EOT6;
+
+// heredoc with multiline
+$heredoc_multiline= <<<EOT7
+This is to check chunk_split
+function with multiline
+heredoc
+EOT7;
+
+// heredoc with quotes and slashes
+$heredoc_quote_slash = <<<EOT8
+"To check " in heredoc".I'm sure it'll \work!
+EOT8;
+
+// different heredoc strings for 'ending'
+$heredoc_arr = array(
+  $heredoc_null,
+  $heredoc_blank,
+  $heredoc_char,
+  $heredoc_str,
+  $heredoc_multiline,
+  $heredoc_spchar,
+  $heredoc_escchar,
+  $heredoc_quote_slash
+);
+
+
+// loop through each element of the heredoc_arr for str
+$count = 0;
+foreach($heredoc_arr as $value) {
+  echo "-- Iteration ".($count+1). " --\n";
+  var_dump( chunk_split( $str, $chunklen, $value) );
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing chunk_split() : different heredoc strings for 'ending' argument ***
+-- Iteration 1 --
+string(102) "This is str to check with heredoc ending.This	contains,
+speci@! ch@r$ __with wrong \k escape char 222."
+-- Iteration 2 --
+string(102) "This is str to check with heredoc ending.This	contains,
+speci@! ch@r$ __with wrong \k escape char 222."
+-- Iteration 3 --
+string(113) "This is star to checka with hereadoc endinga.This	contaains,
+specai@! ch@r$ a__with wroang \k escaape char 22a2.a"
+-- Iteration 4 --
+string(421) "This is stThis is simple heredoc stringr to checkThis is simple heredoc string with hereThis is simple heredoc stringdoc endingThis is simple heredoc string.This	contThis is simple heredoc stringains,
+specThis is simple heredoc stringi@! ch@r$ This is simple heredoc string__with wroThis is simple heredoc stringng \k escaThis is simple heredoc stringpe char 22This is simple heredoc string2.This is simple heredoc string"
+-- Iteration 5 --
+string(762) "This is stThis is to check chunk_split
+function with multiline
+heredocr to checkThis is to check chunk_split
+function with multiline
+heredoc with hereThis is to check chunk_split
+function with multiline
+heredocdoc endingThis is to check chunk_split
+function with multiline
+heredoc.This	contThis is to check chunk_split
+function with multiline
+heredocains,
+specThis is to check chunk_split
+function with multiline
+heredoci@! ch@r$ This is to check chunk_split
+function with multiline
+heredoc__with wroThis is to check chunk_split
+function with multiline
+heredocng \k escaThis is to check chunk_split
+function with multiline
+heredocpe char 22This is to check chunk_split
+function with multiline
+heredoc2.This is to check chunk_split
+function with multiline
+heredoc"
+-- Iteration 6 --
+string(443) "This is stThis checks with $, %, &, charsr to checkThis checks with $, %, &, chars with hereThis checks with $, %, &, charsdoc endingThis checks with $, %, &, chars.This	contThis checks with $, %, &, charsains,
+specThis checks with $, %, &, charsi@! ch@r$ This checks with $, %, &, chars__with wroThis checks with $, %, &, charsng \k escaThis checks with $, %, &, charspe char 22This checks with $, %, &, chars2.This checks with $, %, &, chars"
+-- Iteration 7 --
+string(487) "This is stThis checks	 and 
+white space charsr to checkThis checks	 and 
+white space chars with hereThis checks	 and 
+white space charsdoc endingThis checks	 and 
+white space chars.This	contThis checks	 and 
+white space charsains,
+specThis checks	 and 
+white space charsi@! ch@r$ This checks	 and 
+white space chars__with wroThis checks	 and 
+white space charsng \k escaThis checks	 and 
+white space charspe char 22This checks	 and 
+white space chars2.This checks	 and 
+white space chars"
+-- Iteration 8 --
+string(597) "This is st"To check " in heredoc".I'm sure it'll \work!r to check"To check " in heredoc".I'm sure it'll \work! with here"To check " in heredoc".I'm sure it'll \work!doc ending"To check " in heredoc".I'm sure it'll \work!.This	cont"To check " in heredoc".I'm sure it'll \work!ains,
+spec"To check " in heredoc".I'm sure it'll \work!i@! ch@r$ "To check " in heredoc".I'm sure it'll \work!__with wro"To check " in heredoc".I'm sure it'll \work!ng \k esca"To check " in heredoc".I'm sure it'll \work!pe char 22"To check " in heredoc".I'm sure it'll \work!2."To check " in heredoc".I'm sure it'll \work!"
+Done
diff --git a/tests/std/strings/chunk_split_variation13.phpt b/tests/std/strings/chunk_split_variation13.phpt
new file mode 100644
index 00000000..67b5f055
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation13.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test chunk_split() function : usage variations - default 'chunklen' with long string as 'str'argument
+--FILE--
+<?php
+/*
+* passing long string as 'str' and testing default value of chunklen which is 76
+*/
+
+echo "*** Testing chunk_split() : default 'chunklen' with long string 'str' ***\n";
+
+//Initializing variables
+$values = array (
+  "123456789012345678901234567890123456789012345678901234567890123456789012345678901",
+  "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901"
+);
+
+//loop through each element of values for 'str' and default value of 'chunklen'
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration $count --\n";
+  var_dump( chunk_split($values[$count]) );
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing chunk_split() : default 'chunklen' with long string 'str' ***
+-- Iteration 0 --
+string(85) "1234567890123456789012345678901234567890123456789012345678901234567890123456
+78901
+"
+-- Iteration 1 --
+string(217) "1234567890123456789012345678901234567890123456789012345678901234567890123456
+7890123456789012345678901234567890123456789012345678901234567890123456789012
+34567890123456789012345678901234567890123456789012345678901
+"
+Done
diff --git a/tests/std/strings/chunk_split_variation1_32bit.phpt b/tests/std/strings/chunk_split_variation1_32bit.phpt
new file mode 100644
index 00000000..03a101eb
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation1_32bit.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Test chunk_split() function : usage variations - unexpected large '$end' string argument variation 1
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+if (getenv("USE_ZEND_ALLOC") === "0") die("skip ZMM is disabled");
+?>
+--FILE--
+<?php
+echo "*** Testing chunk_split() : unexpected large 'end' string argument variation 1 ***\n";
+
+$a=str_repeat("B", 65535);
+$b=1;
+$c=str_repeat("B", 65535);
+var_dump(chunk_split($a,$b,$c));
+?>
+--EXPECTF--
+*** Testing chunk_split() : unexpected large 'end' string argument variation 1 ***
+
+Fatal error: %rAllowed memory size of %d bytes exhausted%s\(tried to allocate %d bytes\)|Possible integer overflow in memory allocation \(4294901777 \+ %d\)%r in %s on line %d
diff --git a/tests/std/strings/chunk_split_variation2_32bit.phpt b/tests/std/strings/chunk_split_variation2_32bit.phpt
new file mode 100644
index 00000000..c83a37f0
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation2_32bit.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Test chunk_split() function : usage variations - unexpected large '$end' string argument variation 2
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing chunk_split() : unexpected large 'end' string argument variation 2 ***\n";
+
+$a=str_repeat("B", 65537);
+$b=1;
+$c=str_repeat("B", 65537);
+var_dump(chunk_split($a,$b,$c));
+?>
+--EXPECTF--
+*** Testing chunk_split() : unexpected large 'end' string argument variation 2 ***
+
+Fatal error: Possible integer overflow in memory allocation (65537 * 65537 + %r65556|65560%r) in %s on line %d
diff --git a/tests/std/strings/chunk_split_variation3.phpt b/tests/std/strings/chunk_split_variation3.phpt
new file mode 100644
index 00000000..78486a30
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation3.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Test chunk_split() function : usage variations - unexpected large number of chunks
+--SKIPIF--
+<?php
+if (getenv("USE_ZEND_ALLOC") === "0") die("skip ZMM is disabled");
+echo 'skip Test allocates excessive memory under AOT';
+?>
+--FILE--
+<?php
+$chunk_length = 1;
+
+echo "*** Testing chunk_split() : unexpected large 'end' string argument variation 2 ***\n";
+
+echo "Body generation\n";
+$body = str_repeat("Hello", 10000000);
+
+echo "Using chunk_split()\n";
+var_dump(chunk_split($body, $chunk_length));
+?>
+--EXPECTF--
+*** Testing chunk_split() : unexpected large 'end' string argument variation 2 ***
+Body generation
+Using chunk_split()
+
+Fatal error: Allowed memory size of %d bytes exhausted%s(tried to allocate %d bytes) in %s on line %d
diff --git a/tests/std/strings/chunk_split_variation4.phpt b/tests/std/strings/chunk_split_variation4.phpt
new file mode 100644
index 00000000..bd230956
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation4.phpt
@@ -0,0 +1,175 @@
+--TEST--
+Test chunk_split() function : usage variations - different heredoc strings as 'str' argument
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+* Passing different heredoc strings as 'str' argument to the chunk_split()
+* with 'chunklen' 4 and default value of 'ending' that is "\r\n"
+*/
+
+echo "*** Testing chunk_split() : heredoc strings as 'str' argument ***\n";
+
+// Initializing required variables
+$chunklen = 4;
+
+// Null heredoc string
+$heredoc_null = <<<EOT1
+EOT1;
+
+// heredoc string with single character
+$heredoc_char = <<<EOT2
+a
+EOT2;
+
+// simple heredoc string
+$heredoc_str = <<<EOT3
+This is simple heredoc string
+EOT3;
+
+// heredoc with special characters
+$heredoc_spchar = <<<EOT4
+This checks heredoc with $, %, &, chars
+EOT4;
+
+// blank heredoc string
+$heredoc_blank = <<<EOT5
+
+EOT5;
+
+// heredoc with different white space characters
+$heredoc_escchar = <<<EOT6
+This checks\t chunk_split()\nEscape\rchars
+EOT6;
+
+// heredoc with multiline
+$heredoc_multiline= <<<EOT7
+This is to check chunk_split
+function with multiline
+heredoc
+EOT7;
+
+// heredoc with quotes and slashes
+$heredoc_quote_slash = <<<EOT8
+"To check " in heredoc"
+I'm sure it'll work also with \
+which is single slash
+EOT8;
+
+//different heredoc strings for 'str'
+$heredoc_arr = array(
+  $heredoc_null,
+  $heredoc_blank,
+  $heredoc_char,
+  $heredoc_str,
+  $heredoc_multiline,
+  $heredoc_spchar,
+  $heredoc_escchar,
+  $heredoc_quote_slash;
+);
+
+
+// loop through each element of the heredoc_arr for 'str'
+$count = 0;
+foreach($heredoc_arr as $str) {
+  echo "-- Iteration ".($count+1). " --\n";
+  var_dump( chunk_split( $str, $chunklen) );
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing chunk_split() : heredoc strings as 'str' argument ***
+-- Iteration 1 --
+string(2) "
+"
+-- Iteration 2 --
+string(2) "
+"
+-- Iteration 3 --
+string(3) "a
+"
+-- Iteration 4 --
+string(45) "This
+ is 
+simp
+le h
+ered
+oc s
+trin
+g
+"
+-- Iteration 5 --
+string(90) "This
+ is 
+to c
+heck
+ chu
+nk_s
+plit
+
+fun
+ctio
+n wi
+th m
+ulti
+line
+
+her
+edoc
+"
+-- Iteration 6 --
+string(59) "This
+ che
+cks 
+here
+doc 
+with
+ $, 
+%, &
+, ch
+ars
+"
+-- Iteration 7 --
+string(59) "This
+ che
+cks	
+ chu
+nk_s
+plit
+()
+E
+scap
+e
+ch
+ars
+"
+-- Iteration 8 --
+string(117) ""To 
+chec
+k " 
+in h
+ered
+oc"
+
+I'm 
+sure
+ it'
+ll w
+ork 
+also
+ wit
+h \
+
+whic
+h is
+ sin
+gle 
+slas
+h
+"
+Done
diff --git a/tests/std/strings/chunk_split_variation5.phpt b/tests/std/strings/chunk_split_variation5.phpt
new file mode 100644
index 00000000..8f51c001
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation5.phpt
@@ -0,0 +1,66 @@
+--TEST--
+Test chunk_split() function : usage variations - different integer values for 'chunklen' argument(Bug#42796)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+* passsing different integer values for 'chunklen' argument to chunk_split()
+* 'ending' is set to '||'
+*/
+
+echo "*** Testing chunk_split() : different integer values for 'chunklen' ***\n";
+
+ //Initializing variables
+$ending = "||";
+$str = "This contains\tand special char & numbers 123.\nIt also checks for \0 char";
+
+// different values for chunklen
+$values = array (
+  0,
+  1,
+  -123,  //negative integer
+  0234,  //octal number
+  0x1A,  //hexadecimal number
+  PHP_INT_MAX,  //max positive integer number
+  PHP_INT_MAX * 3,  //integer overflow
+  -PHP_INT_MAX - 1,  //min negative integer
+
+);
+
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration $count --\n";
+  try {
+    var_dump( chunk_split($str, $values[$count], $ending) );
+  } catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+  } catch (\ValueError $e) {
+      echo $e->getMessage() . "\n";
+  }
+}
+
+?>
+--EXPECTF--
+*** Testing chunk_split() : different integer values for 'chunklen' ***
+-- Iteration 0 --
+chunk_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 1 --
+string(213) "T||h||i||s|| ||c||o||n||t||a||i||n||s||	||a||n||d|| ||s||p||e||c||i||a||l|| ||c||h||a||r|| ||&|| ||n||u||m||b||e||r||s|| ||1||2||3||.||
+||I||t|| ||a||l||s||o|| ||c||h||e||c||k||s|| ||f||o||r|| ||%0|| ||c||h||a||r||"
+-- Iteration 2 --
+chunk_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 3 --
+string(73) "This contains	and special char & numbers 123.
+It also checks for %0 char||"
+-- Iteration 4 --
+string(77) "This contains	and special ||char & numbers 123.
+It als||o checks for %0 char||"
+-- Iteration 5 --
+string(73) "This contains	and special char & numbers 123.
+It also checks for %0 char||"
+-- Iteration 6 --
+chunk_split(): Argument #2 ($length) must be of type int, float given
+-- Iteration 7 --
+chunk_split(): Argument #2 ($length) must be greater than 0
diff --git a/tests/std/strings/chunk_split_variation6.phpt b/tests/std/strings/chunk_split_variation6.phpt
new file mode 100644
index 00000000..0bf3719d
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation6.phpt
@@ -0,0 +1,70 @@
+--TEST--
+Test chunk_split() function : usage variations - single quoted strings for 'str' argument
+--FILE--
+<?php
+/*
+* passing different single quoted strings as 'str' argument to the function
+* 'chunklen' is set to 7 and 'ending' is '):('
+*/
+
+echo "*** Testing chunk_split() : with different single quoted 'str' ***\n";
+
+//Initializing variables
+$chunklen = 7;
+$ending = "):(";
+
+//different single quoted string for 'str'
+$values = array(
+  '',  //empty
+  ' ',  //space
+  'This is simple string',  //regular string
+  'It\'s string with quotes',
+  'This contains @ # $ % ^ & chars',   //special characters
+  'This string\tcontains\rwhite space\nchars',  //with white space chars
+  'This is string with 1234 numbers',
+  'This is string with \0 and ".chr(0)."null chars',  //for binary safe
+  'This is string with    multiple         space char',
+  'This is to check string with ()',
+  '     Testing with    multiple spaces     ',
+  'Testing invalid \k and \m escape char',
+  'This is to check with \\n and \\t'
+);
+
+
+//Loop through each element of values for 'str'
+for($count = 0;$count < count($values);$count++) {
+  echo "-- Iteration $count --\n";
+  var_dump( chunk_split($values[$count], $chunklen, $ending) );
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing chunk_split() : with different single quoted 'str' ***
+-- Iteration 0 --
+string(3) "):("
+-- Iteration 1 --
+string(4) " ):("
+-- Iteration 2 --
+string(30) "This is):( simple):( string):("
+-- Iteration 3 --
+string(35) "It's st):(ring wi):(th quot):(es):("
+-- Iteration 4 --
+string(46) "This co):(ntains ):(@ # $ %):( ^ & ch):(ars):("
+-- Iteration 5 --
+string(59) "This st):(ring\tc):(ontains):(\rwhite):( space\):(nchars):("
+-- Iteration 6 --
+string(47) "This is):( string):( with 1):(234 num):(bers):("
+-- Iteration 7 --
+string(68) "This is):( string):( with \):(0 and "):(.chr(0)):(."null ):(chars):("
+-- Iteration 8 --
+string(74) "This is):( string):( with  ):(  multi):(ple    ):(     sp):(ace cha):(r):("
+-- Iteration 9 --
+string(46) "This is):( to che):(ck stri):(ng with):( ()):("
+-- Iteration 10 --
+string(59) "     Te):(sting w):(ith    ):(multipl):(e space):(s     ):("
+-- Iteration 11 --
+string(55) "Testing):( invali):(d \k an):(d \m es):(cape ch):(ar):("
+-- Iteration 12 --
+string(46) "This is):( to che):(ck with):( \n and):( \t):("
+Done
diff --git a/tests/std/strings/chunk_split_variation7.phpt b/tests/std/strings/chunk_split_variation7.phpt
new file mode 100644
index 00000000..99b8b6c5
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation7.phpt
@@ -0,0 +1,65 @@
+--TEST--
+Test chunk_split() function : usage variations - different double quoted values for 'str' argument
+--FILE--
+<?php
+/*
+* Passing different double quoted strings for 'str' argument to chunk_split()
+* here 'chunklen' is set to 5 and 'ending' is "????"
+*/
+
+echo "*** Testing chunk_split() : with different double quoted values for 'str' argument ***\n";
+
+// Initializing variables
+$chunklen = 5;
+$ending = "????";
+
+// different values for 'str'
+$values = array(
+  "",  //empty
+  " ",  //space
+  "This is simple string",  //regular string
+  "It's string with quotes",  //string containing single quote
+  "This contains @ # $ % ^ & chars",   //string with special characters
+  "This string\tcontains\rwhite space\nchars",
+  "This is string with 1234 numbers",
+  "This is string with \0 and ".chr(0)."null chars",  //for binary safe
+  "This is string with    multiple         space char",
+  "Testing invalid \k and \m escape char",
+  "This is to check with \\n and \\t" //to ignore \n and \t results
+
+);
+
+// loop through each element of the array for 'str'
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration ".($count+1)." --\n";
+  var_dump( chunk_split( $values[$count], $chunklen, $ending) );
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing chunk_split() : with different double quoted values for 'str' argument ***
+-- Iteration 1 --
+string(4) "????"
+-- Iteration 2 --
+string(5) " ????"
+-- Iteration 3 --
+string(41) "This ????is si????mple ????strin????g????"
+-- Iteration 4 --
+string(43) "It's ????strin????g wit????h quo????tes????"
+-- Iteration 5 --
+string(59) "This ????conta????ins @???? # $ ????% ^ &???? char????s????"
+-- Iteration 6 --
+string(70) "This ????strin????g	con????tains????
whit????e spa????ce
+ch????ars????"
+-- Iteration 7 --
+string(60) "This ????is st????ring ????with ????1234 ????numbe????rs????"
+-- Iteration 8 --
+string(69) "This ????is st????ring ????with ????%0 and???? %0nul????l cha????rs????"
+-- Iteration 9 --
+string(90) "This ????is st????ring ????with ????   mu????ltipl????e    ????     ????space???? char????"
+-- Iteration 10 --
+string(69) "Testi????ng in????valid???? \k a????nd \m???? esca????pe ch????ar????"
+-- Iteration 11 --
+string(59) "This ????is to???? chec????k wit????h \n ????and \????t????"
+Done
diff --git a/tests/std/strings/chunk_split_variation8.phpt b/tests/std/strings/chunk_split_variation8.phpt
new file mode 100644
index 00000000..b0c88949
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation8.phpt
@@ -0,0 +1,82 @@
+--TEST--
+Test chunk_split() function : usage variations - different integer values for 'chunklen' with heredoc string as 'str'(Bug#42796)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+* passing different integer values for 'chunklen' and heredoc string for 'str' to chunk_split()
+*/
+
+echo "*** Testing chunk_split() : different 'chunklen' with heredoc 'str' ***\n";
+
+
+// Initializing required variables
+//heredoc string as str
+$heredoc_str = <<<EOT
+This's heredoc string with \t and \n white space char.
+It has _speci@l ch@r$ 2222 !!!Now \k as escape char to test
+chunk_split()
+EOT;
+
+$ending = ':::';
+
+// different values for 'chunklen'
+$values = array (
+  0,
+  1,
+  -123,  //negative integer
+  0234,  //octal number
+  0x1A,  //hexadecimal number
+  PHP_INT_MAX,      // max positive integer number
+  PHP_INT_MAX * 3,  // integer overflow
+  -PHP_INT_MAX - 1, // min negative integer
+
+);
+
+
+// loop through each element of values for 'chunklen'
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration ".($count+1). " --\n";
+  try {
+    var_dump( chunk_split($heredoc_str, $values[$count], $ending) );
+  } catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+  } catch (\ValueError $e) {
+      echo $e->getMessage() . "\n";
+  }
+}
+
+?>
+--EXPECT--
+*** Testing chunk_split() : different 'chunklen' with heredoc 'str' ***
+-- Iteration 1 --
+chunk_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 2 --
+string(504) "T:::h:::i:::s:::':::s::: :::h:::e:::r:::e:::d:::o:::c::: :::s:::t:::r:::i:::n:::g::: :::w:::i:::t:::h::: :::	::: :::a:::n:::d::: :::
+::: :::w:::h:::i:::t:::e::: :::s:::p:::a:::c:::e::: :::c:::h:::a:::r:::.:::
+:::I:::t::: :::h:::a:::s::: :::_:::s:::p:::e:::c:::i:::@:::l::: :::c:::h:::@:::r:::$::: :::2:::2:::2:::2::: :::!:::!:::!:::N:::o:::w::: :::\:::k::: :::a:::s::: :::e:::s:::c:::a:::p:::e::: :::c:::h:::a:::r::: :::t:::o::: :::t:::e:::s:::t:::
+:::c:::h:::u:::n:::k:::_:::s:::p:::l:::i:::t:::(:::):::"
+-- Iteration 3 --
+chunk_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 4 --
+string(129) "This's heredoc string with 	 and 
+ white space char.
+It has _speci@l ch@r$ 2222 !!!Now \k as escape char to test
+chunk_split():::"
+-- Iteration 5 --
+string(141) "This's heredoc string with::: 	 and 
+ white space char.:::
+It has _speci@l ch@r$ 222:::2 !!!Now \k as escape char::: to test
+chunk_split():::"
+-- Iteration 6 --
+string(129) "This's heredoc string with 	 and 
+ white space char.
+It has _speci@l ch@r$ 2222 !!!Now \k as escape char to test
+chunk_split():::"
+-- Iteration 7 --
+chunk_split(): Argument #2 ($length) must be of type int, float given
+-- Iteration 8 --
+chunk_split(): Argument #2 ($length) must be greater than 0
diff --git a/tests/std/strings/chunk_split_variation9.phpt b/tests/std/strings/chunk_split_variation9.phpt
new file mode 100644
index 00000000..821cc8f6
--- /dev/null
+++ b/tests/std/strings/chunk_split_variation9.phpt
@@ -0,0 +1,98 @@
+--TEST--
+Test chunk_split() function : usage variations - different double quoted strings for 'ending' argument
+--FILE--
+<?php
+/*
+* passing different double quoted strings for 'ending' argument to chunk_split()
+* here 'chunklen' is set to 6.5
+*/
+
+echo "*** Testing chunk_split() : different strings for 'ending' ***\n";
+
+//Initializing variables
+$str = "This is to test chunk_split() with various ending string";
+$chunklen = 6;
+
+//different values for 'ending' argument
+$values = array (
+  "",  //empty
+  " ",  //space
+  "a",  //Single char
+  "ENDING",  //regular string
+  "@#$%^",  //Special chars
+
+  // white space chars
+  "\t",
+  "\n",
+  "\r",
+  "\r\n",
+
+  "\0",  //Null char
+  "123",  //Numeric
+  "(MSG)",  //With ( and )
+  ")ending string(",  //sentence as ending string
+  ")numbers 1234(",
+  ")speci@! ch@r$("
+);
+
+//loop through element of values for 'ending'
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration $count --\n";
+  var_dump( chunk_split($str, $chunklen, $values[$count]) );
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing chunk_split() : different strings for 'ending' ***
+-- Iteration 0 --
+string(56) "This is to test chunk_split() with various ending string"
+-- Iteration 1 --
+string(66) "This i s to t est ch unk_sp lit()  with v arious  endin g stri ng "
+-- Iteration 2 --
+string(66) "This ias to taest chaunk_spalit() awith vaariousa endinag strianga"
+-- Iteration 3 --
+string(116) "This iENDINGs to tENDINGest chENDINGunk_spENDINGlit() ENDINGwith vENDINGariousENDING endinENDINGg striENDINGngENDING"
+-- Iteration 4 --
+string(106) "This i@#$%^s to t@#$%^est ch@#$%^unk_sp@#$%^lit() @#$%^with v@#$%^arious@#$%^ endin@#$%^g stri@#$%^ng@#$%^"
+-- Iteration 5 --
+string(66) "This i	s to t	est ch	unk_sp	lit() 	with v	arious	 endin	g stri	ng	"
+-- Iteration 6 --
+string(66) "This i
+s to t
+est ch
+unk_sp
+lit() 
+with v
+arious
+ endin
+g stri
+ng
+"
+-- Iteration 7 --
+string(66) "This i
s to t
est ch
unk_sp
lit() 
with v
arious
 endin
g stri
ng
"
+-- Iteration 8 --
+string(76) "This i
+s to t
+est ch
+unk_sp
+lit() 
+with v
+arious
+ endin
+g stri
+ng
+"
+-- Iteration 9 --
+string(66) "This i%0s to t%0est ch%0unk_sp%0lit() %0with v%0arious%0 endin%0g stri%0ng%0"
+-- Iteration 10 --
+string(86) "This i123s to t123est ch123unk_sp123lit() 123with v123arious123 endin123g stri123ng123"
+-- Iteration 11 --
+string(106) "This i(MSG)s to t(MSG)est ch(MSG)unk_sp(MSG)lit() (MSG)with v(MSG)arious(MSG) endin(MSG)g stri(MSG)ng(MSG)"
+-- Iteration 12 --
+string(206) "This i)ending string(s to t)ending string(est ch)ending string(unk_sp)ending string(lit() )ending string(with v)ending string(arious)ending string( endin)ending string(g stri)ending string(ng)ending string("
+-- Iteration 13 --
+string(196) "This i)numbers 1234(s to t)numbers 1234(est ch)numbers 1234(unk_sp)numbers 1234(lit() )numbers 1234(with v)numbers 1234(arious)numbers 1234( endin)numbers 1234(g stri)numbers 1234(ng)numbers 1234("
+-- Iteration 14 --
+string(206) "This i)speci@! ch@r$(s to t)speci@! ch@r$(est ch)speci@! ch@r$(unk_sp)speci@! ch@r$(lit() )speci@! ch@r$(with v)speci@! ch@r$(arious)speci@! ch@r$( endin)speci@! ch@r$(g stri)speci@! ch@r$(ng)speci@! ch@r$("
+Done
diff --git a/tests/std/strings/convert_uudecode_basic.phpt b/tests/std/strings/convert_uudecode_basic.phpt
new file mode 100644
index 00000000..8f5bd572
--- /dev/null
+++ b/tests/std/strings/convert_uudecode_basic.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test convert_uudecode() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing convert_uudecode() : basic functionality ***\n";
+
+// array with different values for $string
+$strings =  array (
+
+  //double quoted strings
+  "123",
+  "abc",
+  "1a2b3c",
+  "Here is a simple string to test convert_uuencode/decode",
+  "\t This String contains \t\t some control characters\r\n",
+  "\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+
+   //single quoted strings
+  '123',
+  'abc',
+  '1a2b3c',
+  '\t This String contains \t\t some control characters\r\n',
+
+);
+
+// loop through with each element of the $strings array to test convert_uudecode() function
+$count = 1;
+foreach($strings as $string) {
+
+  $encode = convert_uuencode($string);
+  $decode = convert_uudecode($encode);
+
+  if ($decode != $string) {
+    var_dump($encode, $decode, $string);
+    exit("TEST FAILED on iteration $count\n");
+  }
+
+  $count ++;
+}
+
+echo "TEST PASSED\n";
+
+?>
+--EXPECT--
+*** Testing convert_uudecode() : basic functionality ***
+TEST PASSED
diff --git a/tests/std/strings/convert_uuencode_basic.phpt b/tests/std/strings/convert_uuencode_basic.phpt
new file mode 100644
index 00000000..af665ef7
--- /dev/null
+++ b/tests/std/strings/convert_uuencode_basic.phpt
@@ -0,0 +1,81 @@
+--TEST--
+Test convert_uuencode() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing convert_uuencode() : basic functionality ***\n";
+
+// array with different values for $string
+$strings =  array (
+
+  //double quoted strings
+  "123",
+  "abc",
+  "1a2b3c",
+  "Here is a simple string to test convert_uuencode/decode",
+  "\t This String contains \t\t some control characters\r\n",
+  "\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+
+   //single quoted strings
+  '123',
+  'abc',
+  '1a2b3c',
+  '\t This String contains \t\t some control characters\r\n',
+
+);
+
+// loop through with each element of the $strings array to test convert_uuencode() function
+$count = 1;
+foreach($strings as $string) {
+  echo "-- Iteration $count --\n";
+  var_dump( convert_uuencode($string) );
+  $count ++;
+}
+
+
+?>
+--EXPECTF--
+*** Testing convert_uuencode() : basic functionality ***
+-- Iteration 1 --
+string(8) "#,3(S
+`
+"
+-- Iteration 2 --
+string(8) "#86)C
+`
+"
+-- Iteration 3 --
+string(12) "&,6$R8C-C
+`
+"
+-- Iteration 4 --
+string(82) "M2&5R92!I<R!A('-I;7!L92!S=')I;F<@=&\@=&5S="!C;VYV97)T7W5U96YC
+*;V1E+V1E8V]D90``
+`
+"
+-- Iteration 5 --
+string(74) "M"2!4:&ES(%-T<FEN9R!C;VYT86EN<R`)"2!S;VUE(&-O;G1R;VP@8VAA<F%C
+&=&5R<PT*
+`
+"
+-- Iteration 6 --
+string(28) "2D)$`DY20D966EYB9FIN<G9Z?
+`
+"
+-- Iteration 7 --
+string(8) "#,3(S
+`
+"
+-- Iteration 8 --
+string(8) "#86)C
+`
+"
+-- Iteration 9 --
+string(12) "&,6$R8C-C
+`
+"
+-- Iteration 10 --
+string(82) "M7'0@5&AI<R!3=')I;F<@8V]N=&%I;G,@7'1<="!S;VUE(&-O;G1R;VP@8VAA
++<F%C=&5R<UQR7&X`
+`
+"
diff --git a/tests/std/strings/count_chars.phpt b/tests/std/strings/count_chars.phpt
new file mode 100644
index 00000000..8a38174e
--- /dev/null
+++ b/tests/std/strings/count_chars.phpt
@@ -0,0 +1,22 @@
+--TEST--
+count_chars() function
+--SKIPIF--
+<?php
+echo 'skip AOT does not support echo assign expressions';
+?>
+--FILE--
+<?php
+$s = "het leven is net erwtensoep - je kunt er geen touw aan vastknopen";
+for($i=0; $i<3; $i++) {
+    echo implode(count_chars($s, $i))."\n";
+}
+echo $a = count_chars($s, 3), "\n";
+echo (int) strlen(count_chars($s, 4)) == 256-strlen($a),"\n";
+
+?>
+--EXPECT--
+000000000000000000000000000000001200000000000010000000000000000000000000000000000000000000000000003000120111121083202362220000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+121312111121832236222
+000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+ -aeghijklnoprstuvw
+1
diff --git a/tests/std/strings/count_chars_basic.phpt b/tests/std/strings/count_chars_basic.phpt
new file mode 100644
index 00000000..ccf8cd47
--- /dev/null
+++ b/tests/std/strings/count_chars_basic.phpt
@@ -0,0 +1,1572 @@
+--TEST--
+Test count_chars() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing count_chars() : basic functionality ***\n";
+
+$string = "Return information about characters used in a string";
+
+var_dump(count_chars($string));
+var_dump(count_chars($string, 0));
+var_dump(count_chars($string, 1));
+var_dump(count_chars($string, 2));
+var_dump(count_chars($string, 3));
+var_dump(bin2hex(count_chars($string, 4)));
+
+try {
+    count_chars($string, 5);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+*** Testing count_chars() : basic functionality ***
+array(256) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+  [2]=>
+  int(0)
+  [3]=>
+  int(0)
+  [4]=>
+  int(0)
+  [5]=>
+  int(0)
+  [6]=>
+  int(0)
+  [7]=>
+  int(0)
+  [8]=>
+  int(0)
+  [9]=>
+  int(0)
+  [10]=>
+  int(0)
+  [11]=>
+  int(0)
+  [12]=>
+  int(0)
+  [13]=>
+  int(0)
+  [14]=>
+  int(0)
+  [15]=>
+  int(0)
+  [16]=>
+  int(0)
+  [17]=>
+  int(0)
+  [18]=>
+  int(0)
+  [19]=>
+  int(0)
+  [20]=>
+  int(0)
+  [21]=>
+  int(0)
+  [22]=>
+  int(0)
+  [23]=>
+  int(0)
+  [24]=>
+  int(0)
+  [25]=>
+  int(0)
+  [26]=>
+  int(0)
+  [27]=>
+  int(0)
+  [28]=>
+  int(0)
+  [29]=>
+  int(0)
+  [30]=>
+  int(0)
+  [31]=>
+  int(0)
+  [32]=>
+  int(7)
+  [33]=>
+  int(0)
+  [34]=>
+  int(0)
+  [35]=>
+  int(0)
+  [36]=>
+  int(0)
+  [37]=>
+  int(0)
+  [38]=>
+  int(0)
+  [39]=>
+  int(0)
+  [40]=>
+  int(0)
+  [41]=>
+  int(0)
+  [42]=>
+  int(0)
+  [43]=>
+  int(0)
+  [44]=>
+  int(0)
+  [45]=>
+  int(0)
+  [46]=>
+  int(0)
+  [47]=>
+  int(0)
+  [48]=>
+  int(0)
+  [49]=>
+  int(0)
+  [50]=>
+  int(0)
+  [51]=>
+  int(0)
+  [52]=>
+  int(0)
+  [53]=>
+  int(0)
+  [54]=>
+  int(0)
+  [55]=>
+  int(0)
+  [56]=>
+  int(0)
+  [57]=>
+  int(0)
+  [58]=>
+  int(0)
+  [59]=>
+  int(0)
+  [60]=>
+  int(0)
+  [61]=>
+  int(0)
+  [62]=>
+  int(0)
+  [63]=>
+  int(0)
+  [64]=>
+  int(0)
+  [65]=>
+  int(0)
+  [66]=>
+  int(0)
+  [67]=>
+  int(0)
+  [68]=>
+  int(0)
+  [69]=>
+  int(0)
+  [70]=>
+  int(0)
+  [71]=>
+  int(0)
+  [72]=>
+  int(0)
+  [73]=>
+  int(0)
+  [74]=>
+  int(0)
+  [75]=>
+  int(0)
+  [76]=>
+  int(0)
+  [77]=>
+  int(0)
+  [78]=>
+  int(0)
+  [79]=>
+  int(0)
+  [80]=>
+  int(0)
+  [81]=>
+  int(0)
+  [82]=>
+  int(1)
+  [83]=>
+  int(0)
+  [84]=>
+  int(0)
+  [85]=>
+  int(0)
+  [86]=>
+  int(0)
+  [87]=>
+  int(0)
+  [88]=>
+  int(0)
+  [89]=>
+  int(0)
+  [90]=>
+  int(0)
+  [91]=>
+  int(0)
+  [92]=>
+  int(0)
+  [93]=>
+  int(0)
+  [94]=>
+  int(0)
+  [95]=>
+  int(0)
+  [96]=>
+  int(0)
+  [97]=>
+  int(5)
+  [98]=>
+  int(1)
+  [99]=>
+  int(2)
+  [100]=>
+  int(1)
+  [101]=>
+  int(3)
+  [102]=>
+  int(1)
+  [103]=>
+  int(1)
+  [104]=>
+  int(1)
+  [105]=>
+  int(4)
+  [106]=>
+  int(0)
+  [107]=>
+  int(0)
+  [108]=>
+  int(0)
+  [109]=>
+  int(1)
+  [110]=>
+  int(5)
+  [111]=>
+  int(3)
+  [112]=>
+  int(0)
+  [113]=>
+  int(0)
+  [114]=>
+  int(5)
+  [115]=>
+  int(3)
+  [116]=>
+  int(5)
+  [117]=>
+  int(3)
+  [118]=>
+  int(0)
+  [119]=>
+  int(0)
+  [120]=>
+  int(0)
+  [121]=>
+  int(0)
+  [122]=>
+  int(0)
+  [123]=>
+  int(0)
+  [124]=>
+  int(0)
+  [125]=>
+  int(0)
+  [126]=>
+  int(0)
+  [127]=>
+  int(0)
+  [128]=>
+  int(0)
+  [129]=>
+  int(0)
+  [130]=>
+  int(0)
+  [131]=>
+  int(0)
+  [132]=>
+  int(0)
+  [133]=>
+  int(0)
+  [134]=>
+  int(0)
+  [135]=>
+  int(0)
+  [136]=>
+  int(0)
+  [137]=>
+  int(0)
+  [138]=>
+  int(0)
+  [139]=>
+  int(0)
+  [140]=>
+  int(0)
+  [141]=>
+  int(0)
+  [142]=>
+  int(0)
+  [143]=>
+  int(0)
+  [144]=>
+  int(0)
+  [145]=>
+  int(0)
+  [146]=>
+  int(0)
+  [147]=>
+  int(0)
+  [148]=>
+  int(0)
+  [149]=>
+  int(0)
+  [150]=>
+  int(0)
+  [151]=>
+  int(0)
+  [152]=>
+  int(0)
+  [153]=>
+  int(0)
+  [154]=>
+  int(0)
+  [155]=>
+  int(0)
+  [156]=>
+  int(0)
+  [157]=>
+  int(0)
+  [158]=>
+  int(0)
+  [159]=>
+  int(0)
+  [160]=>
+  int(0)
+  [161]=>
+  int(0)
+  [162]=>
+  int(0)
+  [163]=>
+  int(0)
+  [164]=>
+  int(0)
+  [165]=>
+  int(0)
+  [166]=>
+  int(0)
+  [167]=>
+  int(0)
+  [168]=>
+  int(0)
+  [169]=>
+  int(0)
+  [170]=>
+  int(0)
+  [171]=>
+  int(0)
+  [172]=>
+  int(0)
+  [173]=>
+  int(0)
+  [174]=>
+  int(0)
+  [175]=>
+  int(0)
+  [176]=>
+  int(0)
+  [177]=>
+  int(0)
+  [178]=>
+  int(0)
+  [179]=>
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+  [180]=>
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+  [181]=>
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+  [183]=>
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+  [184]=>
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+  [185]=>
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+  [186]=>
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+  [187]=>
+  int(0)
+  [188]=>
+  int(0)
+  [189]=>
+  int(0)
+  [190]=>
+  int(0)
+  [191]=>
+  int(0)
+  [192]=>
+  int(0)
+  [193]=>
+  int(0)
+  [194]=>
+  int(0)
+  [195]=>
+  int(0)
+  [196]=>
+  int(0)
+  [197]=>
+  int(0)
+  [198]=>
+  int(0)
+  [199]=>
+  int(0)
+  [200]=>
+  int(0)
+  [201]=>
+  int(0)
+  [202]=>
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+  [203]=>
+  int(0)
+  [204]=>
+  int(0)
+  [205]=>
+  int(0)
+  [206]=>
+  int(0)
+  [207]=>
+  int(0)
+  [208]=>
+  int(0)
+  [209]=>
+  int(0)
+  [210]=>
+  int(0)
+  [211]=>
+  int(0)
+  [212]=>
+  int(0)
+  [213]=>
+  int(0)
+  [214]=>
+  int(0)
+  [215]=>
+  int(0)
+  [216]=>
+  int(0)
+  [217]=>
+  int(0)
+  [218]=>
+  int(0)
+  [219]=>
+  int(0)
+  [220]=>
+  int(0)
+  [221]=>
+  int(0)
+  [222]=>
+  int(0)
+  [223]=>
+  int(0)
+  [224]=>
+  int(0)
+  [225]=>
+  int(0)
+  [226]=>
+  int(0)
+  [227]=>
+  int(0)
+  [228]=>
+  int(0)
+  [229]=>
+  int(0)
+  [230]=>
+  int(0)
+  [231]=>
+  int(0)
+  [232]=>
+  int(0)
+  [233]=>
+  int(0)
+  [234]=>
+  int(0)
+  [235]=>
+  int(0)
+  [236]=>
+  int(0)
+  [237]=>
+  int(0)
+  [238]=>
+  int(0)
+  [239]=>
+  int(0)
+  [240]=>
+  int(0)
+  [241]=>
+  int(0)
+  [242]=>
+  int(0)
+  [243]=>
+  int(0)
+  [244]=>
+  int(0)
+  [245]=>
+  int(0)
+  [246]=>
+  int(0)
+  [247]=>
+  int(0)
+  [248]=>
+  int(0)
+  [249]=>
+  int(0)
+  [250]=>
+  int(0)
+  [251]=>
+  int(0)
+  [252]=>
+  int(0)
+  [253]=>
+  int(0)
+  [254]=>
+  int(0)
+  [255]=>
+  int(0)
+}
+array(256) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+  [2]=>
+  int(0)
+  [3]=>
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+  [30]=>
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+  [32]=>
+  int(7)
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+  int(0)
+  [96]=>
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+  [99]=>
+  int(2)
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+  [107]=>
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+  int(0)
+  [109]=>
+  int(1)
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+  int(5)
+  [111]=>
+  int(3)
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+  int(0)
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+  int(0)
+  [114]=>
+  int(5)
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+  int(3)
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+  int(5)
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+  int(3)
+  [118]=>
+  int(0)
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+  int(0)
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+  [121]=>
+  int(0)
+  [122]=>
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+  int(0)
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+  int(0)
+  [127]=>
+  int(0)
+  [128]=>
+  int(0)
+  [129]=>
+  int(0)
+  [130]=>
+  int(0)
+  [131]=>
+  int(0)
+  [132]=>
+  int(0)
+  [133]=>
+  int(0)
+  [134]=>
+  int(0)
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+  int(0)
+  [136]=>
+  int(0)
+  [137]=>
+  int(0)
+  [138]=>
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+  [162]=>
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+  [163]=>
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+  [166]=>
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+  [167]=>
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+  [169]=>
+  int(0)
+  [170]=>
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+  int(0)
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+  int(0)
+  [181]=>
+  int(0)
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+  [184]=>
+  int(0)
+  [185]=>
+  int(0)
+  [186]=>
+  int(0)
+  [187]=>
+  int(0)
+  [188]=>
+  int(0)
+  [189]=>
+  int(0)
+  [190]=>
+  int(0)
+  [191]=>
+  int(0)
+  [192]=>
+  int(0)
+  [193]=>
+  int(0)
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+  int(0)
+  [195]=>
+  int(0)
+  [196]=>
+  int(0)
+  [197]=>
+  int(0)
+  [198]=>
+  int(0)
+  [199]=>
+  int(0)
+  [200]=>
+  int(0)
+  [201]=>
+  int(0)
+  [202]=>
+  int(0)
+  [203]=>
+  int(0)
+  [204]=>
+  int(0)
+  [205]=>
+  int(0)
+  [206]=>
+  int(0)
+  [207]=>
+  int(0)
+  [208]=>
+  int(0)
+  [209]=>
+  int(0)
+  [210]=>
+  int(0)
+  [211]=>
+  int(0)
+  [212]=>
+  int(0)
+  [213]=>
+  int(0)
+  [214]=>
+  int(0)
+  [215]=>
+  int(0)
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+  int(0)
+  [217]=>
+  int(0)
+  [218]=>
+  int(0)
+  [219]=>
+  int(0)
+  [220]=>
+  int(0)
+  [221]=>
+  int(0)
+  [222]=>
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+  [223]=>
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+  [224]=>
+  int(0)
+  [225]=>
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+  int(0)
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+  int(0)
+  [228]=>
+  int(0)
+  [229]=>
+  int(0)
+  [230]=>
+  int(0)
+  [231]=>
+  int(0)
+  [232]=>
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+  [233]=>
+  int(0)
+  [234]=>
+  int(0)
+  [235]=>
+  int(0)
+  [236]=>
+  int(0)
+  [237]=>
+  int(0)
+  [238]=>
+  int(0)
+  [239]=>
+  int(0)
+  [240]=>
+  int(0)
+  [241]=>
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+  [242]=>
+  int(0)
+  [243]=>
+  int(0)
+  [244]=>
+  int(0)
+  [245]=>
+  int(0)
+  [246]=>
+  int(0)
+  [247]=>
+  int(0)
+  [248]=>
+  int(0)
+  [249]=>
+  int(0)
+  [250]=>
+  int(0)
+  [251]=>
+  int(0)
+  [252]=>
+  int(0)
+  [253]=>
+  int(0)
+  [254]=>
+  int(0)
+  [255]=>
+  int(0)
+}
+array(18) {
+  [32]=>
+  int(7)
+  [82]=>
+  int(1)
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+  int(5)
+  [98]=>
+  int(1)
+  [99]=>
+  int(2)
+  [100]=>
+  int(1)
+  [101]=>
+  int(3)
+  [102]=>
+  int(1)
+  [103]=>
+  int(1)
+  [104]=>
+  int(1)
+  [105]=>
+  int(4)
+  [109]=>
+  int(1)
+  [110]=>
+  int(5)
+  [111]=>
+  int(3)
+  [114]=>
+  int(5)
+  [115]=>
+  int(3)
+  [116]=>
+  int(5)
+  [117]=>
+  int(3)
+}
+array(238) {
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+  [1]=>
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+  [2]=>
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+  [3]=>
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+  [91]=>
+  int(0)
+  [92]=>
+  int(0)
+  [93]=>
+  int(0)
+  [94]=>
+  int(0)
+  [95]=>
+  int(0)
+  [96]=>
+  int(0)
+  [106]=>
+  int(0)
+  [107]=>
+  int(0)
+  [108]=>
+  int(0)
+  [112]=>
+  int(0)
+  [113]=>
+  int(0)
+  [118]=>
+  int(0)
+  [119]=>
+  int(0)
+  [120]=>
+  int(0)
+  [121]=>
+  int(0)
+  [122]=>
+  int(0)
+  [123]=>
+  int(0)
+  [124]=>
+  int(0)
+  [125]=>
+  int(0)
+  [126]=>
+  int(0)
+  [127]=>
+  int(0)
+  [128]=>
+  int(0)
+  [129]=>
+  int(0)
+  [130]=>
+  int(0)
+  [131]=>
+  int(0)
+  [132]=>
+  int(0)
+  [133]=>
+  int(0)
+  [134]=>
+  int(0)
+  [135]=>
+  int(0)
+  [136]=>
+  int(0)
+  [137]=>
+  int(0)
+  [138]=>
+  int(0)
+  [139]=>
+  int(0)
+  [140]=>
+  int(0)
+  [141]=>
+  int(0)
+  [142]=>
+  int(0)
+  [143]=>
+  int(0)
+  [144]=>
+  int(0)
+  [145]=>
+  int(0)
+  [146]=>
+  int(0)
+  [147]=>
+  int(0)
+  [148]=>
+  int(0)
+  [149]=>
+  int(0)
+  [150]=>
+  int(0)
+  [151]=>
+  int(0)
+  [152]=>
+  int(0)
+  [153]=>
+  int(0)
+  [154]=>
+  int(0)
+  [155]=>
+  int(0)
+  [156]=>
+  int(0)
+  [157]=>
+  int(0)
+  [158]=>
+  int(0)
+  [159]=>
+  int(0)
+  [160]=>
+  int(0)
+  [161]=>
+  int(0)
+  [162]=>
+  int(0)
+  [163]=>
+  int(0)
+  [164]=>
+  int(0)
+  [165]=>
+  int(0)
+  [166]=>
+  int(0)
+  [167]=>
+  int(0)
+  [168]=>
+  int(0)
+  [169]=>
+  int(0)
+  [170]=>
+  int(0)
+  [171]=>
+  int(0)
+  [172]=>
+  int(0)
+  [173]=>
+  int(0)
+  [174]=>
+  int(0)
+  [175]=>
+  int(0)
+  [176]=>
+  int(0)
+  [177]=>
+  int(0)
+  [178]=>
+  int(0)
+  [179]=>
+  int(0)
+  [180]=>
+  int(0)
+  [181]=>
+  int(0)
+  [182]=>
+  int(0)
+  [183]=>
+  int(0)
+  [184]=>
+  int(0)
+  [185]=>
+  int(0)
+  [186]=>
+  int(0)
+  [187]=>
+  int(0)
+  [188]=>
+  int(0)
+  [189]=>
+  int(0)
+  [190]=>
+  int(0)
+  [191]=>
+  int(0)
+  [192]=>
+  int(0)
+  [193]=>
+  int(0)
+  [194]=>
+  int(0)
+  [195]=>
+  int(0)
+  [196]=>
+  int(0)
+  [197]=>
+  int(0)
+  [198]=>
+  int(0)
+  [199]=>
+  int(0)
+  [200]=>
+  int(0)
+  [201]=>
+  int(0)
+  [202]=>
+  int(0)
+  [203]=>
+  int(0)
+  [204]=>
+  int(0)
+  [205]=>
+  int(0)
+  [206]=>
+  int(0)
+  [207]=>
+  int(0)
+  [208]=>
+  int(0)
+  [209]=>
+  int(0)
+  [210]=>
+  int(0)
+  [211]=>
+  int(0)
+  [212]=>
+  int(0)
+  [213]=>
+  int(0)
+  [214]=>
+  int(0)
+  [215]=>
+  int(0)
+  [216]=>
+  int(0)
+  [217]=>
+  int(0)
+  [218]=>
+  int(0)
+  [219]=>
+  int(0)
+  [220]=>
+  int(0)
+  [221]=>
+  int(0)
+  [222]=>
+  int(0)
+  [223]=>
+  int(0)
+  [224]=>
+  int(0)
+  [225]=>
+  int(0)
+  [226]=>
+  int(0)
+  [227]=>
+  int(0)
+  [228]=>
+  int(0)
+  [229]=>
+  int(0)
+  [230]=>
+  int(0)
+  [231]=>
+  int(0)
+  [232]=>
+  int(0)
+  [233]=>
+  int(0)
+  [234]=>
+  int(0)
+  [235]=>
+  int(0)
+  [236]=>
+  int(0)
+  [237]=>
+  int(0)
+  [238]=>
+  int(0)
+  [239]=>
+  int(0)
+  [240]=>
+  int(0)
+  [241]=>
+  int(0)
+  [242]=>
+  int(0)
+  [243]=>
+  int(0)
+  [244]=>
+  int(0)
+  [245]=>
+  int(0)
+  [246]=>
+  int(0)
+  [247]=>
+  int(0)
+  [248]=>
+  int(0)
+  [249]=>
+  int(0)
+  [250]=>
+  int(0)
+  [251]=>
+  int(0)
+  [252]=>
+  int(0)
+  [253]=>
+  int(0)
+  [254]=>
+  int(0)
+  [255]=>
+  int(0)
+}
+string(18) " Rabcdefghimnorstu"
+string(476) "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f5051535455565758595a5b5c5d5e5f606a6b6c7071767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
+count_chars(): Argument #2 ($mode) must be between 0 and 4 (inclusive)
diff --git a/tests/std/strings/crc32.phpt b/tests/std/strings/crc32.phpt
new file mode 100644
index 00000000..da86d067
--- /dev/null
+++ b/tests/std/strings/crc32.phpt
@@ -0,0 +1,42 @@
+--TEST--
+crc32() function
+--FILE--
+<?php
+$input = array("foo", "bar", "baz", "grldsajkopallkjasd");
+foreach($input AS $i) {
+    printf("%u\n", crc32($i));
+}
+printf("%u\n", crc32("1234567890123456"));
+printf("%u\n", crc32("1234567890123456abc"));
+printf("%u\n", crc32("12345678901234561234567890123456"));
+printf("%u\n", crc32("12345678901234561234567890123456abc"));
+printf("%u\n", crc32("123456789012345612345678901234561234567890123456"));
+printf("%u\n", crc32("123456789012345612345678901234561234567890123456abc"));
+printf("%u\n", crc32("1234567890123456123456789012345612345678901234561234567890123456"));
+printf("%u\n", crc32("1234567890123456123456789012345612345678901234561234567890123456abc"));
+printf("%u\n", crc32("12345678901234561234567890123456123456789012345612345678901234561234567890123456"));
+printf("%u\n", crc32("12345678901234561234567890123456123456789012345612345678901234561234567890123456abc"));
+printf("%u\n", crc32("12345678901234561234567890123456123456789012345612345678901234561234567890123456123456789012345612345678901234561234567890123456"));
+printf("%u\n", crc32("12345678901234561234567890123456123456789012345612345678901234561234567890123456123456789012345612345678901234561234567890123456abc"));
+printf("%u\n", crc32("123456789012345612345678901234561234567890123456123456789012345612345678901234561234567890123456123456789012345612345678901234561234567890123456"));
+printf("%u\n", crc32("123456789012345612345678901234561234567890123456123456789012345612345678901234561234567890123456123456789012345612345678901234561234567890123456abc"));
+?>
+--EXPECT--
+2356372769
+1996459178
+2015626392
+824412087
+509595063
+1890929711
+156217630
+941689929
+1939457775
+2213121284
+522627406
+3806880586
+105010221
+1135881371
+640556525
+3081003972
+3751918510
+1076024698
diff --git a/tests/std/strings/crc32_basic.phpt b/tests/std/strings/crc32_basic.phpt
new file mode 100644
index 00000000..6452fe7d
--- /dev/null
+++ b/tests/std/strings/crc32_basic.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Test crc32() function : basic functionality
+--FILE--
+<?php
+/*
+ * Testing crc32() : basic functionality
+*/
+
+echo "*** Testing crc32() : basic functionality ***\n";
+
+
+// Initialise all required variables
+$str = 'string_val1234';
+
+// Calling crc32() with all possible arguments
+
+// checking for the return type of the function
+var_dump( is_int(crc32($str)) );
+
+// Printing the returned value from the function
+printf("%u\n", crc32($str) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing crc32() : basic functionality ***
+bool(true)
+256895812
+Done
diff --git a/tests/std/strings/crc32_variation2.phpt b/tests/std/strings/crc32_variation2.phpt
new file mode 100644
index 00000000..b4e12adf
--- /dev/null
+++ b/tests/std/strings/crc32_variation2.phpt
@@ -0,0 +1,143 @@
+--TEST--
+Test crc32() function : usage variations - single quoted strings
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4)
+  die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+* Testing crc32() : with different strings in single quotes passed to the function
+*/
+
+echo "*** Testing crc32() : with different strings in single quotes ***\n";
+
+// defining an array of strings
+$string_array = array(
+  '',
+  ' ',
+  'hello world',
+  'HELLO WORLD',
+  ' helloworld ',
+
+  '(hello world)',
+  'hello(world)',
+  'helloworld()',
+  'hello()(world',
+
+  '"hello" world',
+  'hello "world"',
+  'hello""world',
+
+  'hello\tworld',
+  'hellowor\\tld',
+  '\thello world\t',
+  'hello\nworld',
+  'hellowor\\nld',
+  '\nhello world\n',
+  '\n\thelloworld',
+  'hel\tlo\n world',
+
+  '!@#$%&',
+  '#hello@world.com',
+  '$hello$world',
+
+  'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbb
+   cccccccccccccccccccccccccccccccccddddddddddddddddddddddddddddddddd
+   eeeeeeeeeeeeeeeeeeeeeeeeeeeeffffffffffffffffffffffffffffffffffffff
+   gggggggggggggggggggggggggggggggggggggggggghhhhhhhhhhhhhhhhhhhhhhhh
+   111111111111111111111122222222222222222222222222222222222222222222
+   333333333333333333333333333333333334444444444444444444444444444444
+   555555555555555555555555555555555555555555556666666666666666666666
+   777777777777777777777777777777777777777777777777777777777777777777
+   /t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t
+   /n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n'
+);
+
+// looping to check the behaviour of the function for each string in the array
+
+$count = 1;
+foreach($string_array as $str) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( crc32($str) );
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing crc32() : with different strings in single quotes ***
+
+-- Iteration 1 --
+int(0)
+
+-- Iteration 2 --
+int(-378745019)
+
+-- Iteration 3 --
+int(222957957)
+
+-- Iteration 4 --
+int(-2015000997)
+
+-- Iteration 5 --
+int(1234261835)
+
+-- Iteration 6 --
+int(-1867296214)
+
+-- Iteration 7 --
+int(1048577080)
+
+-- Iteration 8 --
+int(2129739710)
+
+-- Iteration 9 --
+int(-1633247628)
+
+-- Iteration 10 --
+int(135755572)
+
+-- Iteration 11 --
+int(27384015)
+
+-- Iteration 12 --
+int(-497244052)
+
+-- Iteration 13 --
+int(-2065897232)
+
+-- Iteration 14 --
+int(243585859)
+
+-- Iteration 15 --
+int(-856440615)
+
+-- Iteration 16 --
+int(647088397)
+
+-- Iteration 17 --
+int(523630053)
+
+-- Iteration 18 --
+int(-2062229676)
+
+-- Iteration 19 --
+int(1169918910)
+
+-- Iteration 20 --
+int(-618551732)
+
+-- Iteration 21 --
+int(-1828940657)
+
+-- Iteration 22 --
+int(-1654468652)
+
+-- Iteration 23 --
+int(-1648442217)
+
+-- Iteration 24 --
+int(1431761713)
+Done
diff --git a/tests/std/strings/crc32_variation3.phpt b/tests/std/strings/crc32_variation3.phpt
new file mode 100644
index 00000000..1f5905f3
--- /dev/null
+++ b/tests/std/strings/crc32_variation3.phpt
@@ -0,0 +1,155 @@
+--TEST--
+Test crc32() function : usage variations - double quoted strings
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4)
+  die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Testing crc32() : with different strings in double quotes passed to the function
+*/
+
+echo "*** Testing crc32() : with different strings in double quotes ***\n";
+
+// defining an array of strings
+$string_array = array(
+  "",
+  " ",
+  "hello world",
+  "HELLO WORLD",
+  " helloworld ",
+
+  "(hello world)",
+  "hello(world)",
+  "helloworld()",
+  "hello()(world",
+
+  "'hello' world",
+  "hello 'world'",
+  "hello''world",
+
+  "hello\tworld",
+  "hellowor\\tld",
+  "\thello world\t",
+  "helloworld",
+  "hellowor\\ld",
+  "hello\nworld",
+  "hellowor\\nld",
+  "\nhello world\n",
+  "\n\thelloworld",
+  "hel\tlo\n world",
+
+  "!@#$%&",
+  "#hello@world.com",
+  "$hello$world",
+
+  "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbb
+   cccccccccccccccccccccccccccccccccddddddddddddddddddddddddddddddddd
+   eeeeeeeeeeeeeeeeeeeeeeeeeeeeffffffffffffffffffffffffffffffffffffff
+   gggggggggggggggggggggggggggggggggggggggggghhhhhhhhhhhhhhhhhhhhhhhh
+   111111111111111111111122222222222222222222222222222222222222222222
+   333333333333333333333333333333333334444444444444444444444444444444
+   555555555555555555555555555555555555555555556666666666666666666666
+   777777777777777777777777777777777777777777777777777777777777777777
+   /t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t
+   /n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n"
+);
+
+// looping to check the behaviour of the function for each string in the array
+
+$count = 1;
+foreach($string_array as $str) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( crc32($str) );
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing crc32() : with different strings in double quotes ***
+
+Warning: Undefined variable $hello in %s on line %d
+
+Warning: Undefined variable $world in %s on line %d
+
+-- Iteration 1 --
+int(0)
+
+-- Iteration 2 --
+int(-378745019)
+
+-- Iteration 3 --
+int(222957957)
+
+-- Iteration 4 --
+int(-2015000997)
+
+-- Iteration 5 --
+int(1234261835)
+
+-- Iteration 6 --
+int(-1867296214)
+
+-- Iteration 7 --
+int(1048577080)
+
+-- Iteration 8 --
+int(2129739710)
+
+-- Iteration 9 --
+int(-1633247628)
+
+-- Iteration 10 --
+int(1191242624)
+
+-- Iteration 11 --
+int(603128807)
+
+-- Iteration 12 --
+int(-525789576)
+
+-- Iteration 13 --
+int(770262395)
+
+-- Iteration 14 --
+int(243585859)
+
+-- Iteration 15 --
+int(-986324846)
+
+-- Iteration 16 --
+int(-102031187)
+
+-- Iteration 17 --
+int(-588181215)
+
+-- Iteration 18 --
+int(-1417857067)
+
+-- Iteration 19 --
+int(523630053)
+
+-- Iteration 20 --
+int(-503915034)
+
+-- Iteration 21 --
+int(-254912432)
+
+-- Iteration 22 --
+int(-1581578467)
+
+-- Iteration 23 --
+int(-1828940657)
+
+-- Iteration 24 --
+int(-1654468652)
+
+-- Iteration 25 --
+int(0)
+
+-- Iteration 26 --
+int(1431761713)
+Done
diff --git a/tests/std/strings/crc32_variation4.phpt b/tests/std/strings/crc32_variation4.phpt
new file mode 100644
index 00000000..d4a6ae56
--- /dev/null
+++ b/tests/std/strings/crc32_variation4.phpt
@@ -0,0 +1,111 @@
+--TEST--
+Test crc32() function : usage variations - heredoc strings
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4)
+  die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Testing crc32() : with different heredoc strings passed to the str argument
+*/
+
+echo "*** Testing crc32() : with different heredoc strings ***\n";
+
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_with_hexa_octal = <<<EOT
+hello\0\100\xaaworld\0hello
+\0hello\0
+EOT;
+
+$heredoc_with_long_string = <<<EOT
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbb
+cccccccccccccccccccccccccccccccccddddddddddddddddddddddddddddddddd
+eeeeeeeeeeeeeeeeeeeeeeeeeeeeffffffffffffffffffffffffffffffffffffff
+gggggggggggggggggggggggggggggggggggggggggghhhhhhhhhhhhhhhhhhhhhhhh
+111111111111111111111122222222222222222222222222222222222222222222
+333333333333333333333333333333333334444444444444444444444444444444
+555555555555555555555555555555555555555555556666666666666666666666
+777777777777777777777777777777777777777777777777777777777777777777
+/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t
+/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n
+EOT;
+
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+                   $heredoc_with_newline_and_tabs,
+                   $heredoc_with_alphanumerics,
+                   $heredoc_with_embedded_nulls,
+                   $heredoc_with_hexa_octal,
+           $heredoc_with_long_string
+                   );
+
+// loop to test the function with each heredoc string in the array
+
+$count = 1;
+foreach($heredoc_strings as $str) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( crc32($str) );
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing crc32() : with different heredoc strings ***
+
+-- Iteration 1 --
+int(0)
+
+-- Iteration 2 --
+int(1541608299)
+
+-- Iteration 3 --
+int(1588851550)
+
+-- Iteration 4 --
+int(-1726108239)
+
+-- Iteration 5 --
+int(-1847303891)
+
+-- Iteration 6 --
+int(-1260053120)
+
+-- Iteration 7 --
+int(-1718044186)
+
+-- Iteration 8 --
+int(1646793751)
+Done
diff --git a/tests/std/strings/crypt.phpt b/tests/std/strings/crypt.phpt
new file mode 100644
index 00000000..26e6e6eb
--- /dev/null
+++ b/tests/std/strings/crypt.phpt
@@ -0,0 +1,37 @@
+--TEST--
+crypt() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+$str = 'rasmuslerdorf';
+$salt1 = 'rl';
+$res_1 = 'rl.3StKT.4T8M';
+$salt2 = '_J9..rasm';
+$res_2 = '_J9..rasmBYk8r9AiWNc';
+$salt3 = '$1$rasmusle$';
+$res_3 = '$1$rasmusle$rISCgZzpwk3UhDidwXvin0';
+$salt4 = '$2a$07$rasmuslerd............';
+$res_4 = '$2a$07$rasmuslerd............nIdrcHdxcUxWomQX9j6kvERCFjTg7Ra';
+
+echo (CRYPT_STD_DES)  ? ((crypt($str, $salt1) === $res_1) ? 'STD' : 'STD - ERROR') : 'STD', "\n";
+echo (CRYPT_EXT_DES)  ? ((crypt($str, $salt2) === $res_2) ? 'EXT' : 'EXT - ERROR') : 'EXT', "\n";
+echo (CRYPT_MD5)      ? ((crypt($str, $salt3) === $res_3) ? 'MD5' : 'MD5 - ERROR') : 'MD5', "\n";
+echo (CRYPT_BLOWFISH) ? ((crypt($str, $salt4) === $res_4) ? 'BLO' : 'BLO - ERROR') : 'BLO', "\n";
+
+try {
+    var_dump(crypt($str));
+} catch (ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+STD
+EXT
+MD5
+BLO
+crypt() expects exactly 2 arguments, 1 given
diff --git a/tests/std/strings/crypt_blowfish.phpt b/tests/std/strings/crypt_blowfish.phpt
new file mode 100644
index 00000000..a8eda721
--- /dev/null
+++ b/tests/std/strings/crypt_blowfish.phpt
@@ -0,0 +1,104 @@
+--TEST--
+Official blowfish tests (http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/glibc/crypt_blowfish/wrapper.c)
+--FILE--
+<?php
+
+$tests =array(
+    array('$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW', 'U*U'),
+    array('$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK', 'U*U*'),
+    array('$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a', 'U*U*U'),
+    array('$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui', '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789chars after 72 are ignored'),
+    array('$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e', "\xa3"),
+    array('$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e', "\xff\xff\xa3"),
+    array('$2y$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e', "\xff\xff\xa3"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.nqd1wy.pTMdcvrRWxyiGL2eMz.2a85.', "\xff\xff\xa3"),
+    array('$2b$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e', "\xff\xff\xa3"),
+    array('$2y$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq', "\xa3"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq', "\xa3"),
+    array('$2b$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq', "\xa3"),
+    array('$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi', "1\xa3345"),
+    array('$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi', "\xff\xa3345"),
+    array('$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi', "\xff\xa334\xff\xff\xff\xa3345"),
+    array('$2y$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi', "\xff\xa334\xff\xff\xff\xa3345"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.ZC1JEJ8Z4gPfpe1JOr/oyPXTWl9EFd.', "\xff\xa334\xff\xff\xff\xa3345"),
+    array('$2y$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e', "\xff\xa3345"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e', "\xff\xa3345"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS', "\xa3ab"),
+    array('$2x$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS', "\xa3ab"),
+    array('$2y$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS', "\xa3ab"),
+    array('$2x$05$6bNw2HLQYeqHYyBfLMsv/OiwqTymGIGzFsA4hOTWebfehXHNprcAS', "\xd1\x91"),
+    array('$2x$05$6bNw2HLQYeqHYyBfLMsv/O9LIGgn8OMzuDoHfof8AQimSGfcSWxnS', "\xd0\xc1\xd2\xcf\xcc\xd8"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6', "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaachars after 72 are ignored as usual"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy', "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"),
+    array('$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe', "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"),
+    array('$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy', ''),
+);
+
+$tests2 = array(
+    array('$2a$03$CCCCCCCCCCCCCCCCCCCCC.', '*0'),
+    array('$2a$32$CCCCCCCCCCCCCCCCCCCCC.', '*0'),
+    array('$2c$05$CCCCCCCCCCCCCCCCCCCCC.', '*0'),
+    array('$2z$05$CCCCCCCCCCCCCCCCCCCCC.', '*0'),
+    array('$2`$05$CCCCCCCCCCCCCCCCCCCCC.', '*0'),
+    array('$2{$05$CCCCCCCCCCCCCCCCCCCCC.', '*0'),
+    array('*0', '*1'),
+);
+
+$i=0;
+foreach($tests as $test) {
+  $result = crypt($test[1], $test[0]);
+  if($result === $test[0]) {
+    echo "$i. OK\n";
+  } else {
+    echo "$i. Not OK: $test[0] $result\n";
+  }
+  $i++;
+}
+
+foreach($tests2 as $test) {
+  $result = crypt('', $test[0]);
+  if($result === $test[1]) {
+    echo "$i. OK\n";
+  } else {
+    echo "$i. Not OK: $test[0] $result\n";
+  }
+  $i++;
+}
+
+?>
+--EXPECT--
+0. OK
+1. OK
+2. OK
+3. OK
+4. OK
+5. OK
+6. OK
+7. OK
+8. OK
+9. OK
+10. OK
+11. OK
+12. OK
+13. OK
+14. OK
+15. OK
+16. OK
+17. OK
+18. OK
+19. OK
+20. OK
+21. OK
+22. OK
+23. OK
+24. OK
+25. OK
+26. OK
+27. OK
+28. OK
+29. OK
+30. OK
+31. OK
+32. OK
+33. OK
+34. OK
diff --git a/tests/std/strings/crypt_blowfish_variation1.phpt b/tests/std/strings/crypt_blowfish_variation1.phpt
new file mode 100644
index 00000000..5cfdbcfb
--- /dev/null
+++ b/tests/std/strings/crypt_blowfish_variation1.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test Blowfish crypt() with invalid rounds
+--FILE--
+<?php
+
+$salts = array('32' => '$2a$32$CCCCCCCCCCCCCCCCCCCCCC$',
+               '33' => '$2a$33$CCCCCCCCCCCCCCCCCCCCCC$',
+               '34' => '$2a$34$CCCCCCCCCCCCCCCCCCCCCC$',
+               '35' => '$2a$35$CCCCCCCCCCCCCCCCCCCCCC$',
+               '36' => '$2a$36$CCCCCCCCCCCCCCCCCCCCCC$',
+               '37' => '$2a$37$CCCCCCCCCCCCCCCCCCCCCC$',
+               '38' => '$2a$38$CCCCCCCCCCCCCCCCCCCCCC$',);
+
+foreach($salts as $i=>$salt) {
+  $crypt = crypt('U*U', $salt);
+  if ($crypt === '*0' || $crypt === '*1') {
+    echo "$i. OK\n";
+  } else {
+    echo "$i. Not OK\n";
+  }
+}
+
+?>
+--EXPECT--
+32. OK
+33. OK
+34. OK
+35. OK
+36. OK
+37. OK
+38. OK
diff --git a/tests/std/strings/crypt_blowfish_variation2.phpt b/tests/std/strings/crypt_blowfish_variation2.phpt
new file mode 100644
index 00000000..f354a8ec
--- /dev/null
+++ b/tests/std/strings/crypt_blowfish_variation2.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Test Blowfish crypt() does not fall back to DES when rounds are not specified,
+or Blowfish is not available.
+--FILE--
+<?php
+$crypt = crypt('U*U', '$2a$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW');
+if ($crypt==='*0') {
+    echo "OK\n";
+} else {
+    echo "Not OK\n";
+}
+?>
+--EXPECT--
+OK
diff --git a/tests/std/strings/crypt_chars.phpt b/tests/std/strings/crypt_chars.phpt
new file mode 100644
index 00000000..c0ef4a39
--- /dev/null
+++ b/tests/std/strings/crypt_chars.phpt
@@ -0,0 +1,14 @@
+--TEST--
+crypt() function - characters > 0x80
+--FILE--
+<?php
+var_dump(crypt("À1234abcd", "99"));
+var_dump(crypt("À9234abcd", "99"));
+var_dump(crypt("À1234abcd", "_01234567"));
+var_dump(crypt("À9234abcd", "_01234567"));
+?>
+--EXPECT--
+string(13) "99PxawtsTfX56"
+string(13) "99jcVcGxUZOWk"
+string(20) "_01234567IBjxKliXXRQ"
+string(20) "_012345678OSGpGQRVHA"
diff --git a/tests/std/strings/crypt_des_error.phpt b/tests/std/strings/crypt_des_error.phpt
new file mode 100644
index 00000000..6c77ccd9
--- /dev/null
+++ b/tests/std/strings/crypt_des_error.phpt
@@ -0,0 +1,10 @@
+--TEST--
+crypt(): *0 should return *1
+--FILE--
+<?php
+
+var_dump(crypt('foo', '*0'));
+
+?>
+--EXPECT--
+string(2) "*1"
diff --git a/tests/std/strings/crypt_sha256.phpt b/tests/std/strings/crypt_sha256.phpt
new file mode 100644
index 00000000..32424829
--- /dev/null
+++ b/tests/std/strings/crypt_sha256.phpt
@@ -0,0 +1,60 @@
+--TEST--
+crypt() SHA-256
+--FILE--
+<?php
+
+$tests = array(
+    1 => array(
+        '$5$saltstring',
+        'Hello world!',
+        '$5$saltstring$5B8vYYiY.CVt1RlTTf8KbXBH3hsxY/GNooZaBBGWEc5'
+    ),
+    2 => array(
+        '$5$rounds=10000$saltstringsaltstring',
+        'Hello world!',
+        '$5$rounds=10000$saltstringsaltst$3xv.VbSHBb41AL9AvLeujZkZRBAwqFMz2.opqey6IcA'
+    ),
+    3 => array(
+        '$5$rounds=10000$saltstringsaltstring',
+        'Hello world!',
+        '$5$rounds=10000$saltstringsaltst$3xv.VbSHBb41AL9AvLeujZkZRBAwqFMz2.opqey6IcA'
+    ),
+    4 => array(
+        '$5$rounds=5000$toolongsaltstring',
+        'This is just a test',
+        '$5$rounds=5000$toolongsaltstrin$Un/5jzAHMgOGZ5.mWJpuVolil07guHPvOW8mGRcvxa5'
+    ),
+    5 => array(
+        '$5$rounds=1400$anotherlongsaltstring',
+        'a very much longer text to encrypt.  This one even stretches over morethan one line.',
+        '$5$rounds=1400$anotherlongsalts$Rx.j8H.h8HjEDGomFU8bDkXm3XIUnzyxf12oP84Bnq1'
+    ),
+    6 => array(
+        '$5$rounds=77777$short',
+        'we have a short salt string but not a short password',
+        '$5$rounds=77777$short$JiO1O3ZpDAxGJeaDIuqCoEFysAe1mZNJRs3pw0KQRd/'
+    ),
+    7 => array(
+        '$5$rounds=123456$asaltof16chars..',
+        'a short string',
+        '$5$rounds=123456$asaltof16chars..$gP3VQ/6X7UUEW3HkBn2w1/Ptq2jxPyzV/cZKmF/wJvD'
+    ),
+
+    // The "too many rounds" behavior depends on the crypt()
+    // implementation, but for now everyone agrees on what to do.
+    8 => array(
+        '$5$rounds=1000000000$roundstoohigh',
+        'the number of rounds is too high',
+        '*0'
+    )
+);
+
+foreach ($tests as $iter => $t) {
+    $res = crypt($t[1], $t[0]);
+    if ($res != $t[2]) echo "Iteration $iter failed.
+Expected: <$t[2]>
+Got       <$res>\n";
+}
+echo "Passes.";?>
+--EXPECT--
+Passes.
diff --git a/tests/std/strings/crypt_sha512.phpt b/tests/std/strings/crypt_sha512.phpt
new file mode 100644
index 00000000..77431777
--- /dev/null
+++ b/tests/std/strings/crypt_sha512.phpt
@@ -0,0 +1,63 @@
+--TEST--
+crypt() SHA-512
+--FILE--
+<?php
+
+$tests = array(
+    1 => array(
+        '$6$saltstring',
+        'Hello world!',
+        '$6$saltstring$svn8UoSVapNtMuq1ukKS4tPQd8iKwSMHWjl/O817G3uBnIFNjnQJuesI68u4OTLiBFdcbYEdFCoEOfaS35inz1'
+    ),
+    2 => array(
+        '$6$rounds=10000$saltstringsaltstring',
+        'Hello world!',
+        '$6$rounds=10000$saltstringsaltst$OW1/O6BYHV6BcXZu8QVeXbDWra3Oeqh0sbHbbMCVNSnCM/UrjmM0Dp8vOuZeHBy/YTBmSK6H9qs/y3RnOaw5v.'
+    ),
+    3 => array(
+        '$6$rounds=5000$toolongsaltstring',
+        'This is just a test',
+        '$6$rounds=5000$toolongsaltstrin$lQ8jolhgVRVhY4b5pZKaysCLi0QBxGoNeKQzQ3glMhwllF7oGDZxUhx1yxdYcz/e1JSbq3y6JMxxl8audkUEm0'
+    ),
+    4 => array(
+        '$6$rounds=1400$anotherlongsaltstring',
+        'a very much longer text to encrypt.  This one even stretches over morethan one line.',
+        '$6$rounds=1400$anotherlongsalts$POfYwTEok97VWcjxIiSOjiykti.o/pQs.wPvMxQ6Fm7I6IoYN3CmLs66x9t0oSwbtEW7o7UmJEiDwGqd8p4ur1'
+    ),
+    5 => array(
+        '$6$rounds=77777$short',
+        'we have a short salt string but not a short password',
+        '$6$rounds=77777$short$WuQyW2YR.hBNpjjRhpYD/ifIw05xdfeEyQoMxIXbkvr0gge1a1x3yRULJ5CCaUeOxFmtlcGZelFl5CxtgfiAc0'
+    ),
+    6 => array(
+        '$6$rounds=123456$asaltof16chars..',
+        'a short string',
+        '$6$rounds=123456$asaltof16chars..$BtCwjqMJGx5hrJhZywWvt0RLE8uZ4oPwcelCjmw2kSYu.Ec6ycULevoBK25fs2xXgMNrCzIMVcgEJAstJeonj1'
+    ),
+    7 => array(
+        '$6$$bar$',
+        'foo',
+        '$6$$QMXjqd7rHQZPQ1yHsXkQqC1FBzDiVfTHXL.LaeDAeVV.IzMaV9VU4MQ8kPuZa2SOP1A0RPm772EaFYjpEJtdu.'
+    ),
+    8 => array(
+        '$6$rounds=10$roundstoolow',
+        'the number of rounds is too low',
+        '*0'
+    ),
+    8 => array(
+        '$6$rounds=1000000000$roundstoohigh',
+        'the number of rounds is too high',
+        '*0'
+    ),
+);
+
+foreach ($tests as $iter => $t) {
+    $res = crypt($t[1], $t[0]);
+    if ($res != $t[2]) echo "Iteration $iter failed.
+Expected: <$t[2]>
+Got       <$res>\n";
+}
+echo "Passes.";
+?>
+--EXPECT--
+Passes.
diff --git a/tests/std/strings/crypt_variation1.phpt b/tests/std/strings/crypt_variation1.phpt
new file mode 100644
index 00000000..3f351a6d
--- /dev/null
+++ b/tests/std/strings/crypt_variation1.phpt
@@ -0,0 +1,17 @@
+--TEST--
+crypt() function - long salt
+--FILE--
+<?php
+
+$b = str_repeat("A", 124);
+echo crypt("A", "$5$" . $b)."\n";
+$b = str_repeat("A", 125);
+echo crypt("A", "$5$" . $b)."\n";
+$b = str_repeat("A", 4096);
+echo crypt("A", "$5$" . $b)."\n";
+
+?>
+--EXPECT--
+$5$AAAAAAAAAAAAAAAA$frotiiztWZiwcncxnY5tWG9Ida2WOZEximjLXCleQu6
+$5$AAAAAAAAAAAAAAAA$frotiiztWZiwcncxnY5tWG9Ida2WOZEximjLXCleQu6
+$5$AAAAAAAAAAAAAAAA$frotiiztWZiwcncxnY5tWG9Ida2WOZEximjLXCleQu6
diff --git a/tests/std/strings/default_charset.phpt b/tests/std/strings/default_charset.phpt
new file mode 100644
index 00000000..3a8e2696
--- /dev/null
+++ b/tests/std/strings/default_charset.phpt
@@ -0,0 +1,104 @@
+--TEST--
+default_charset and htmlentities/htmlspecialchars/html_entity_decode
+--INI--
+default_charset=UTF-8
+internal_encoding=
+input_encoding=
+output_encoding=
+--FILE--
+<?php
+echo "*** Default php.ini value ***\n";
+var_dump(ini_get('default_charset'),
+         ini_get('internal_encoding'),
+         ini_get('input_encoding'),
+         ini_get('output_encoding')
+    );
+
+
+echo "*** Runtime change of default_charset ***\n";
+var_dump(ini_set('default_charset', 'cp1252'));
+
+echo "*** Test with updated default_charset ***\n";
+var_dump(ini_get('default_charset'),
+         ini_get('internal_encoding'),
+         ini_get('input_encoding'),
+         ini_get('output_encoding')
+    );
+
+var_dump(htmlentities("\xA3", ENT_HTML5));
+var_dump(htmlentities("\xA3", ENT_HTML5, 'cp1252'));
+
+var_dump(bin2hex(html_entity_decode("&pound;", ENT_HTML5)));
+var_dump(bin2hex(html_entity_decode("&pound;", ENT_HTML5, 'cp1252')));
+
+// Set internal_encoding to empty and try again
+echo "*** Change internal_encoding to empty ***\n";
+var_dump(ini_set('internal_encoding', ''));
+var_dump(ini_get('default_charset'),
+         ini_get('internal_encoding'),
+         ini_get('input_encoding'),
+         ini_get('output_encoding')
+    );
+
+var_dump(htmlentities("\xA3", ENT_HTML5));
+var_dump(htmlentities("\xA3", ENT_HTML5, 'cp1252'));
+var_dump(bin2hex(html_entity_decode("&pound;", ENT_HTML5)));
+var_dump(bin2hex(html_entity_decode("&pound;", ENT_HTML5, 'cp1252')));
+
+echo "*** Update input/output_encoding ***\n";
+var_dump(ini_set('input_encoding', 'ISO-8859-1'));
+var_dump(ini_set('output_encoding', 'ISO-8859-1'));
+var_dump(ini_get('default_charset'),
+         ini_get('internal_encoding'),
+         ini_get('input_encoding'),
+         ini_get('output_encoding')
+    );
+
+// Should not be affected
+var_dump(htmlentities("\xA3", ENT_HTML5));
+var_dump(htmlentities("\xA3", ENT_HTML5, 'cp1252'));
+var_dump(bin2hex(html_entity_decode("&pound;", ENT_HTML5)));
+var_dump(bin2hex(html_entity_decode("&pound;", ENT_HTML5, 'cp1252')));
+
+echo "Done\n";
+
+?>
+--EXPECT--
+*** Default php.ini value ***
+string(5) "UTF-8"
+string(0) ""
+string(0) ""
+string(0) ""
+*** Runtime change of default_charset ***
+string(5) "UTF-8"
+*** Test with updated default_charset ***
+string(6) "cp1252"
+string(0) ""
+string(0) ""
+string(0) ""
+string(7) "&pound;"
+string(7) "&pound;"
+string(2) "a3"
+string(2) "a3"
+*** Change internal_encoding to empty ***
+string(0) ""
+string(6) "cp1252"
+string(0) ""
+string(0) ""
+string(0) ""
+string(7) "&pound;"
+string(7) "&pound;"
+string(2) "a3"
+string(2) "a3"
+*** Update input/output_encoding ***
+string(0) ""
+string(0) ""
+string(6) "cp1252"
+string(0) ""
+string(10) "ISO-8859-1"
+string(10) "ISO-8859-1"
+string(7) "&pound;"
+string(7) "&pound;"
+string(2) "a3"
+string(2) "a3"
+Done
diff --git a/tests/std/strings/dirname_basic.phpt b/tests/std/strings/dirname_basic.phpt
new file mode 100644
index 00000000..4509e4e2
--- /dev/null
+++ b/tests/std/strings/dirname_basic.phpt
@@ -0,0 +1,153 @@
+--TEST--
+Test dirname() function : basic functionality
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+$file_paths = array (
+  /* simple paths */
+  "bar",
+  "/foo/bar",
+  "foo/bar",
+  "/bar",
+  "bar/",
+  "/bar/",
+  "/foo/bar/",
+  "foo/bar/",
+  "/bar/",
+
+  /* path with only files and trailing slashes*/
+  "/foo/bar.gz",
+  "foo/bar.gz",
+  "bar.gz",
+  "bar.gz/",
+  "/bar.gz",
+  "/bar.gz/",
+  "/foo/bar.gz/",
+  "foo/bar.gz/",
+  "/bar.gz/",
+
+  /* path with file extension and trailing slashes */
+  "/.gz",
+  ".gz",
+  "/foo/.gz",
+  ".gz/",
+  "/foo/.gz/",
+  "foo/.gz/",
+
+  /* paths with binary value to check if the function is binary safe*/
+  "foo".chr(0)."bar",
+  "/foo".chr(0)."bar/",
+  "/foo".chr(0)."bar",
+  "foo".chr(0)."bar/",
+  "/foo".chr(0)."bar/t.gz"
+);
+
+function check_dirname( $paths ) {
+   $loop_counter = 0;
+   $noOfPaths = count($paths);
+   for( ; $loop_counter < $noOfPaths; $loop_counter++ ) {
+     echo "\n--Iteration ";
+     echo $loop_counter + 1;
+     echo " --\n";
+     var_dump( dirname($paths[$loop_counter]) );
+   }
+}
+
+echo "*** Testing basic operations ***\n";
+check_dirname( $file_paths );
+
+echo "Done\n";
+?>
+--EXPECTREGEX--
+\*\*\* Testing basic operations \*\*\*
+
+--Iteration 1 --
+string\(1\) "."
+
+--Iteration 2 --
+string\(4\) "(\\|\/)foo"
+
+--Iteration 3 --
+string\(3\) "foo"
+
+--Iteration 4 --
+string\(1\) "(\\|\/)"
+
+--Iteration 5 --
+string\(1\) "."
+
+--Iteration 6 --
+string\(1\) "(\\|\/)"
+
+--Iteration 7 --
+string\(4\) "(\\|\/)foo"
+
+--Iteration 8 --
+string\(3\) "foo"
+
+--Iteration 9 --
+string\(1\) "(\\|\/)"
+
+--Iteration 10 --
+string\(4\) "(\\|\/)foo"
+
+--Iteration 11 --
+string\(3\) "foo"
+
+--Iteration 12 --
+string\(1\) "."
+
+--Iteration 13 --
+string\(1\) "."
+
+--Iteration 14 --
+string\(1\) "(\\|\/)"
+
+--Iteration 15 --
+string\(1\) "(\\|\/)"
+
+--Iteration 16 --
+string\(4\) "(\\|\/)foo"
+
+--Iteration 17 --
+string\(3\) "foo"
+
+--Iteration 18 --
+string\(1\) "(\\|\/)"
+
+--Iteration 19 --
+string\(1\) "(\\|\/)"
+
+--Iteration 20 --
+string\(1\) "."
+
+--Iteration 21 --
+string\(4\) "(\\|\/)foo"
+
+--Iteration 22 --
+string\(1\) "."
+
+--Iteration 23 --
+string\(4\) "(\\|\/)foo"
+
+--Iteration 24 --
+string\(3\) "foo"
+
+--Iteration 25 --
+string\(1\) "."
+
+--Iteration 26 --
+string\(1\) "(\\|\/)"
+
+--Iteration 27 --
+string\(1\) "(\\|\/)"
+
+--Iteration 28 --
+string\(1\) "."
+
+--Iteration 29 --
+string\(8\) "(\\|\/)foo\x00bar"
+Done
diff --git a/tests/std/strings/dirname_error.phpt b/tests/std/strings/dirname_error.phpt
new file mode 100644
index 00000000..39888867
--- /dev/null
+++ b/tests/std/strings/dirname_error.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Test dirname() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+echo "*** Testing error conditions ***\n";
+
+// Bad arg
+try {
+    dirname("/var/tmp/bar.gz", 0);
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+?>
+--EXPECT--
+*** Testing error conditions ***
+dirname(): Argument #2 ($levels) must be greater than or equal to 1
diff --git a/tests/std/strings/dirname_multi.phpt b/tests/std/strings/dirname_multi.phpt
new file mode 100644
index 00000000..5518380c
--- /dev/null
+++ b/tests/std/strings/dirname_multi.phpt
@@ -0,0 +1,24 @@
+--TEST--
+Test dirname() function : usage variations
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+for ($i=0 ; $i<5 ; $i++) {
+    try {
+        var_dump(dirname("/foo/bar/baz", $i));
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+}
+var_dump(dirname("/foo/bar/baz", PHP_INT_MAX));
+?>
+--EXPECT--
+dirname(): Argument #2 ($levels) must be greater than or equal to 1
+string(8) "/foo/bar"
+string(4) "/foo"
+string(1) "/"
+string(1) "/"
+string(1) "/"
diff --git a/tests/std/strings/dirname_multi_win.phpt b/tests/std/strings/dirname_multi_win.phpt
new file mode 100644
index 00000000..fa1f307a
--- /dev/null
+++ b/tests/std/strings/dirname_multi_win.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Test dirname() function : usage variations
+--SKIPIF--
+<?php
+if((substr(PHP_OS, 0, 3) != "WIN"))
+  die('skip Windows only');
+?>
+--FILE--
+<?php
+for ($i=0 ; $i<5 ; $i++) {
+    try {
+        var_dump(dirname("/foo/bar/baz", $i));
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+}
+
+var_dump(dirname("/foo/bar/baz", PHP_INT_MAX));
+var_dump(dirname("g:/foo/bar/baz", PHP_INT_MAX));
+var_dump(dirname("g:foo/bar/baz", PHP_INT_MAX));
+?>
+--EXPECT--
+dirname(): Argument #2 ($levels) must be greater than or equal to 1
+string(8) "/foo/bar"
+string(4) "/foo"
+string(1) "\"
+string(1) "\"
+string(1) "\"
+string(3) "g:\"
+string(3) "g:."
diff --git a/tests/std/strings/dirname_variation.phpt b/tests/std/strings/dirname_variation.phpt
new file mode 100644
index 00000000..355a4d8d
--- /dev/null
+++ b/tests/std/strings/dirname_variation.phpt
@@ -0,0 +1,136 @@
+--TEST--
+Test dirname() function : usage variations
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+class temp
+{
+   function __toString() {
+     return "Object";
+   }
+}
+
+$file_path_variations = array (
+  /* home dir shortcut char */
+  "~/home/user/bar",
+  "~/home/user/bar/",
+  "~/home/user/bar.tar",
+  "~/home/user/bar.tar/",
+
+  /* with hotname:dir notation */
+  "hostname:/home/user/bar.tar",
+  "hostname:/home/user/tbar.gz/",
+  "hostname:/home/user/My Pics.gz",
+  "hostname:/home/user/My Pics.gz/",
+  "hostname:/home/user/My Pics/",
+  "hostname:/home/user/My Pics",
+
+  /* path containing numeric string */
+  "10.5",
+  "/10.5",
+  "/10.5/",
+  "10.5/",
+  "10/10.gz",
+  '0',
+  "0",
+
+  /* object */
+  new temp,
+
+  /* path as spaces */
+  " ",
+  ' ',
+
+  /* empty path */
+  "",
+  '',
+);
+
+function check_dirname( $paths ) {
+   $loop_counter = 0;
+   $noOfPaths = count($paths);
+   for( ; $loop_counter < $noOfPaths; $loop_counter++ ) {
+     echo "\n--Iteration ";
+     echo $loop_counter +1;
+     echo " --\n";
+     var_dump( dirname($paths[$loop_counter]) );
+   }
+}
+
+echo "*** Testing possible variations in path ***\n";
+check_dirname( $file_path_variations );
+
+echo "Done\n";
+?>
+--EXPECTREGEX--
+\*\*\* Testing possible variations in path \*\*\*
+
+--Iteration 1 --
+string\(11\) "~(\\|\/)home(\\|\/)user"
+
+--Iteration 2 --
+string\(11\) "~(\\|\/)home(\\|\/)user"
+
+--Iteration 3 --
+string\(11\) "~(\\|\/)home(\\|\/)user"
+
+--Iteration 4 --
+string\(11\) "~(\\|\/)home(\\|\/)user"
+
+--Iteration 5 --
+string\(19\) "hostname:(\\|\/)home(\\|\/)user"
+
+--Iteration 6 --
+string\(19\) "hostname:(\\|\/)home(\\|\/)user"
+
+--Iteration 7 --
+string\(19\) "hostname:(\\|\/)home(\\|\/)user"
+
+--Iteration 8 --
+string\(19\) "hostname:(\\|\/)home(\\|\/)user"
+
+--Iteration 9 --
+string\(19\) "hostname:(\\|\/)home(\\|\/)user"
+
+--Iteration 10 --
+string\(19\) "hostname:(\\|\/)home(\\|\/)user"
+
+--Iteration 11 --
+string\(1\) "."
+
+--Iteration 12 --
+string\(1\) "(\\|\/)"
+
+--Iteration 13 --
+string\(1\) "(\\|\/)"
+
+--Iteration 14 --
+string\(1\) "."
+
+--Iteration 15 --
+string\(2\) "10"
+
+--Iteration 16 --
+string\(1\) "."
+
+--Iteration 17 --
+string\(1\) "."
+
+--Iteration 18 --
+string\(1\) "."
+
+--Iteration 19 --
+string\(1\) "."
+
+--Iteration 20 --
+string\(1\) "."
+
+--Iteration 21 --
+string\(0\) ""
+
+--Iteration 22 --
+string\(0\) ""
+Done
diff --git a/tests/std/strings/explode.phpt b/tests/std/strings/explode.phpt
new file mode 100644
index 00000000..1f8cd742
--- /dev/null
+++ b/tests/std/strings/explode.phpt
@@ -0,0 +1,188 @@
+--TEST--
+explode() function
+--INI--
+error_reporting=2047
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/* From http://bugs.php.net/19865 */
+echo var_export(explode("\1", "a". chr(1). "b". chr(0). "d" . chr(1) . "f" . chr(1). "1" . chr(1) . "d"), TRUE);
+echo "\n";
+echo md5(var_export(explode("\1", "a". chr(1). "b". chr(0). "d" . chr(1) . "f" . chr(1). "1" . chr(1) . "d"), TRUE));
+echo "\n";
+
+try {
+    var_dump(explode("", ""));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+try {
+    var_dump(explode("", NULL));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+try {
+    var_dump(explode(NULL, ""));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+var_dump(explode("a", ""));
+var_dump(explode("a", "a"));
+var_dump(explode("a", NULL));
+try {
+    var_dump(explode(NULL, "a"));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+var_dump(explode("abc", "acb"));
+var_dump(explode("somestring", "otherstring"));
+var_dump(explode("somestring", "otherstring", -1));
+var_dump(explode("a", "aaaaaa"));
+var_dump(explode("==", str_repeat("-=".ord(0)."=-", 10)));
+var_dump(explode("=", str_repeat("-=".ord(0)."=-", 10)));
+//////////////////////////////////////
+var_dump(explode(":","a lazy dog:jumps:over:",-1));
+var_dump(explode(":","a lazy dog:jumps:over", -1));
+var_dump(explode(":","a lazy dog:jumps:over", -2));
+var_dump(explode(":","a lazy dog:jumps:over:",-4));
+var_dump(explode(":","a lazy dog:jumps:over:",-40000000000000));
+var_dump(explode(":^:","a lazy dog:^:jumps::over:^:",-1));
+var_dump(explode(":^:","a lazy dog:^:jumps::over:^:",-2));
+?>
+--EXPECT--
+array (
+  0 => 'a',
+  1 => 'b' . "\0" . 'd',
+  2 => 'f',
+  3 => '1',
+  4 => 'd',
+)
+d6bee42a771449205344c0938ad4f035
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+array(1) {
+  [0]=>
+  string(0) ""
+}
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+}
+array(1) {
+  [0]=>
+  string(0) ""
+}
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+array(1) {
+  [0]=>
+  string(3) "acb"
+}
+array(1) {
+  [0]=>
+  string(11) "otherstring"
+}
+array(0) {
+}
+array(7) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+  [4]=>
+  string(0) ""
+  [5]=>
+  string(0) ""
+  [6]=>
+  string(0) ""
+}
+array(1) {
+  [0]=>
+  string(60) "-=48=--=48=--=48=--=48=--=48=--=48=--=48=--=48=--=48=--=48=-"
+}
+array(21) {
+  [0]=>
+  string(1) "-"
+  [1]=>
+  string(2) "48"
+  [2]=>
+  string(2) "--"
+  [3]=>
+  string(2) "48"
+  [4]=>
+  string(2) "--"
+  [5]=>
+  string(2) "48"
+  [6]=>
+  string(2) "--"
+  [7]=>
+  string(2) "48"
+  [8]=>
+  string(2) "--"
+  [9]=>
+  string(2) "48"
+  [10]=>
+  string(2) "--"
+  [11]=>
+  string(2) "48"
+  [12]=>
+  string(2) "--"
+  [13]=>
+  string(2) "48"
+  [14]=>
+  string(2) "--"
+  [15]=>
+  string(2) "48"
+  [16]=>
+  string(2) "--"
+  [17]=>
+  string(2) "48"
+  [18]=>
+  string(2) "--"
+  [19]=>
+  string(2) "48"
+  [20]=>
+  string(1) "-"
+}
+array(3) {
+  [0]=>
+  string(10) "a lazy dog"
+  [1]=>
+  string(5) "jumps"
+  [2]=>
+  string(4) "over"
+}
+array(2) {
+  [0]=>
+  string(10) "a lazy dog"
+  [1]=>
+  string(5) "jumps"
+}
+array(1) {
+  [0]=>
+  string(10) "a lazy dog"
+}
+array(0) {
+}
+array(0) {
+}
+array(2) {
+  [0]=>
+  string(10) "a lazy dog"
+  [1]=>
+  string(11) "jumps::over"
+}
+array(1) {
+  [0]=>
+  string(10) "a lazy dog"
+}
diff --git a/tests/std/strings/explode1.phpt b/tests/std/strings/explode1.phpt
new file mode 100644
index 00000000..e68c08aa
--- /dev/null
+++ b/tests/std/strings/explode1.phpt
@@ -0,0 +1,484 @@
+--TEST--
+Test explode() function
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--INI--
+error_reporting=2047
+precision=14
+--FILE--
+<?php
+echo "*** Testing explode() for basic operations ***\n";
+$delimiters = array (
+  "",  // len=0
+  NULL,
+  "abcd",  // string
+  0,  // zero
+  "0",
+  TRUE,  // boolean value
+  FALSE,
+  -1,  // negative integer
+  -11.23,  // double
+  4,  // positive integer
+  "%",
+);
+$string = "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND";
+/* loop prints an array of strings, each of which is a substring of $string
+   formed by splitting it on boundaries formed by the string $delimiter.
+ */
+$counter = 1;
+foreach($delimiters as $delimiter) {
+    echo "-- Iteration $counter --\n";
+
+    try {
+        var_dump( explode($delimiter, $string, -1) );
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+    try {
+        var_dump( explode($delimiter, $string, 0) );
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+    try {
+        var_dump( explode($delimiter, $string, 1) );
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+    try {
+        var_dump( explode($delimiter, $string, 2) );
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+    $counter++;
+}
+
+echo "\n*** Testing explode() with miscellaneous input arguments ***\n";
+
+echo "\n-- Passing positive values of Limit to explode() --\n";
+/* LIMIT=2 */
+var_dump( explode("::", "mon::tues::wed::thurs::fri::sat::sun", 2) );
+
+/* checking for LIMIT =0,1 */
+echo "\n-- Passing limit values 0 and 1 to explode() --\n";
+var_dump( explode(":", "Name:Phone:Address:City:State", 0) );
+var_dump( explode(":", "Name:Phone:Address:City:State", 1) );
+
+/* to check the maximum limit of string that can be given with limit<=0,
+   default size is 50 but increases dynamically */
+echo "\n*** Testing explode() for maximum limit of string with Limit = -1 ***\n";
+var_dump( explode(":", "1:2:3:4:5:6:7:7:5:6:7:3:4:5:2:8:9:0:5:5:5:5:5:5:5:5:5:5:5:5:55:5:5:5%:%:%:%:5:5:5:%:%:5:5:5:5:5%:%:%:55:1:1", -1) );
+
+echo "\n*** Testing explode() with string variations as input argument ***\n";
+/* String with escape characters */
+echo "\n-- Testing string with escape characters --\n";
+var_dump( explode("\t\n", "1234\t\n5678\n\t9100") );
+var_dump( explode("\r", "1234\rabcd\r5678\rrstu") );
+
+/* String with embedded NULL */
+echo "\n-- Testing string with embedded NULL --\n";
+var_dump( explode("\x00", "abcd\x0n1234\x0005678\x0000efgh\xijkl") );
+var_dump( explode("\0", "abcd\0efgh\0ijkl\x00mnop\x000qrst\00uvwx\000yz") );
+
+/* Checking OBJECTS type */
+echo "\n*** Testing explode() with objects ***\n";
+class string1 {
+  public function __toString() {
+    return "Object";
+  }
+}
+$obj = new string1;
+var_dump( explode("b", $obj) );
+
+?>
+--EXPECT--
+*** Testing explode() for basic operations ***
+-- Iteration 1 --
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+-- Iteration 2 --
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+-- Iteration 3 --
+array(1) {
+  [0]=>
+  string(10) "1234NULL23"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(10) "1234NULL23"
+  [1]=>
+  string(43) "00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+-- Iteration 4 --
+array(5) {
+  [0]=>
+  string(14) "1234NULL23abcd"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+  [4]=>
+  string(0) ""
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(14) "1234NULL23abcd"
+  [1]=>
+  string(42) "0000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+-- Iteration 5 --
+array(5) {
+  [0]=>
+  string(14) "1234NULL23abcd"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+  [4]=>
+  string(0) ""
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(14) "1234NULL23abcd"
+  [1]=>
+  string(42) "0000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+-- Iteration 6 --
+array(5) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(28) "234NULL23abcd00000TRUEFALSE-"
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(12) ".234444true-"
+  [4]=>
+  string(0) ""
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(56) "234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+-- Iteration 7 --
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+explode(): Argument #1 ($separator) must not be empty, use str_split() to split a string into characters
+-- Iteration 8 --
+array(2) {
+  [0]=>
+  string(28) "1234NULL23abcd00000TRUEFALSE"
+  [1]=>
+  string(12) "1.234444true"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(28) "1234NULL23abcd00000TRUEFALSE"
+  [1]=>
+  string(27) "1.234444true-11.24%PHP%ZEND"
+}
+-- Iteration 9 --
+array(1) {
+  [0]=>
+  string(28) "1234NULL23abcd00000TRUEFALSE"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(28) "1234NULL23abcd00000TRUEFALSE"
+  [1]=>
+  string(23) "4444true-11.24%PHP%ZEND"
+}
+-- Iteration 10 --
+array(6) {
+  [0]=>
+  string(3) "123"
+  [1]=>
+  string(30) "NULL23abcd00000TRUEFALSE-11.23"
+  [2]=>
+  string(0) ""
+  [3]=>
+  string(0) ""
+  [4]=>
+  string(0) ""
+  [5]=>
+  string(9) "true-11.2"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(3) "123"
+  [1]=>
+  string(53) "NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+-- Iteration 11 --
+array(2) {
+  [0]=>
+  string(48) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24"
+  [1]=>
+  string(3) "PHP"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(1) {
+  [0]=>
+  string(57) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24%PHP%ZEND"
+}
+array(2) {
+  [0]=>
+  string(48) "1234NULL23abcd00000TRUEFALSE-11.234444true-11.24"
+  [1]=>
+  string(8) "PHP%ZEND"
+}
+
+*** Testing explode() with miscellaneous input arguments ***
+
+-- Passing positive values of Limit to explode() --
+array(2) {
+  [0]=>
+  string(3) "mon"
+  [1]=>
+  string(31) "tues::wed::thurs::fri::sat::sun"
+}
+
+-- Passing limit values 0 and 1 to explode() --
+array(1) {
+  [0]=>
+  string(29) "Name:Phone:Address:City:State"
+}
+array(1) {
+  [0]=>
+  string(29) "Name:Phone:Address:City:State"
+}
+
+*** Testing explode() for maximum limit of string with Limit = -1 ***
+array(51) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+  [2]=>
+  string(1) "3"
+  [3]=>
+  string(1) "4"
+  [4]=>
+  string(1) "5"
+  [5]=>
+  string(1) "6"
+  [6]=>
+  string(1) "7"
+  [7]=>
+  string(1) "7"
+  [8]=>
+  string(1) "5"
+  [9]=>
+  string(1) "6"
+  [10]=>
+  string(1) "7"
+  [11]=>
+  string(1) "3"
+  [12]=>
+  string(1) "4"
+  [13]=>
+  string(1) "5"
+  [14]=>
+  string(1) "2"
+  [15]=>
+  string(1) "8"
+  [16]=>
+  string(1) "9"
+  [17]=>
+  string(1) "0"
+  [18]=>
+  string(1) "5"
+  [19]=>
+  string(1) "5"
+  [20]=>
+  string(1) "5"
+  [21]=>
+  string(1) "5"
+  [22]=>
+  string(1) "5"
+  [23]=>
+  string(1) "5"
+  [24]=>
+  string(1) "5"
+  [25]=>
+  string(1) "5"
+  [26]=>
+  string(1) "5"
+  [27]=>
+  string(1) "5"
+  [28]=>
+  string(1) "5"
+  [29]=>
+  string(1) "5"
+  [30]=>
+  string(2) "55"
+  [31]=>
+  string(1) "5"
+  [32]=>
+  string(1) "5"
+  [33]=>
+  string(2) "5%"
+  [34]=>
+  string(1) "%"
+  [35]=>
+  string(1) "%"
+  [36]=>
+  string(1) "%"
+  [37]=>
+  string(1) "5"
+  [38]=>
+  string(1) "5"
+  [39]=>
+  string(1) "5"
+  [40]=>
+  string(1) "%"
+  [41]=>
+  string(1) "%"
+  [42]=>
+  string(1) "5"
+  [43]=>
+  string(1) "5"
+  [44]=>
+  string(1) "5"
+  [45]=>
+  string(1) "5"
+  [46]=>
+  string(2) "5%"
+  [47]=>
+  string(1) "%"
+  [48]=>
+  string(1) "%"
+  [49]=>
+  string(2) "55"
+  [50]=>
+  string(1) "1"
+}
+
+*** Testing explode() with string variations as input argument ***
+
+-- Testing string with escape characters --
+array(2) {
+  [0]=>
+  string(4) "1234"
+  [1]=>
+  string(10) "5678
+	9100"
+}
+array(4) {
+  [0]=>
+  string(4) "1234"
+  [1]=>
+  string(4) "abcd"
+  [2]=>
+  string(4) "5678"
+  [3]=>
+  string(4) "rstu"
+}
+
+-- Testing string with embedded NULL --
+array(4) {
+  [0]=>
+  string(4) "abcd"
+  [1]=>
+  string(5) "n1234"
+  [2]=>
+  string(5) "05678"
+  [3]=>
+  string(12) "00efgh\xijkl"
+}
+array(7) {
+  [0]=>
+  string(4) "abcd"
+  [1]=>
+  string(4) "efgh"
+  [2]=>
+  string(4) "ijkl"
+  [3]=>
+  string(4) "mnop"
+  [4]=>
+  string(5) "0qrst"
+  [5]=>
+  string(4) "uvwx"
+  [6]=>
+  string(2) "yz"
+}
+
+*** Testing explode() with objects ***
+array(2) {
+  [0]=>
+  string(1) "O"
+  [1]=>
+  string(4) "ject"
+}
diff --git a/tests/std/strings/explode_bug.phpt b/tests/std/strings/explode_bug.phpt
new file mode 100644
index 00000000..22d92ea7
--- /dev/null
+++ b/tests/std/strings/explode_bug.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Explode/memnstr bug
+--INI--
+error_reporting=2047
+memory_limit=256M
+--FILE--
+<?php
+$res = explode(str_repeat("A",145999999),1);
+var_dump($res);
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  string(1) "1"
+}
diff --git a/tests/std/strings/explode_variation4.phpt b/tests/std/strings/explode_variation4.phpt
new file mode 100644
index 00000000..988f31ea
--- /dev/null
+++ b/tests/std/strings/explode_variation4.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Test explode() function : usage variations - match longer string
+--FILE--
+<?php
+
+echo "*** Testing explode() function: match longer string ***\n";
+
+$pizza  = "piece1 piece2 piece3 piece4 piece5 piece6 p";
+$pieces = explode(" p", $pizza);
+var_dump($pieces);
+?>
+--EXPECT--
+*** Testing explode() function: match longer string ***
+array(7) {
+  [0]=>
+  string(6) "piece1"
+  [1]=>
+  string(5) "iece2"
+  [2]=>
+  string(5) "iece3"
+  [3]=>
+  string(5) "iece4"
+  [4]=>
+  string(5) "iece5"
+  [5]=>
+  string(5) "iece6"
+  [6]=>
+  string(0) ""
+}
diff --git a/tests/std/strings/explode_variation5.phpt b/tests/std/strings/explode_variation5.phpt
new file mode 100644
index 00000000..7d825b95
--- /dev/null
+++ b/tests/std/strings/explode_variation5.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test explode() function : usage variations - positive and negative limits
+--FILE--
+<?php
+
+echo "*** Testing explode() function: positive and negative limits ***\n";
+$str = 'one||two||three||four';
+
+echo "\n-- positive limit --\n";
+var_dump(explode('||', $str, 2));
+
+echo "\n-- negative limit (since PHP 5.1) --\n";
+var_dump(explode('||', $str, -1));
+
+echo "\n-- negative limit (since PHP 5.1) with null string -- \n";
+var_dump(explode('||', "", -1));
+?>
+--EXPECT--
+*** Testing explode() function: positive and negative limits ***
+
+-- positive limit --
+array(2) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  string(16) "two||three||four"
+}
+
+-- negative limit (since PHP 5.1) --
+array(3) {
+  [0]=>
+  string(3) "one"
+  [1]=>
+  string(3) "two"
+  [2]=>
+  string(5) "three"
+}
+
+-- negative limit (since PHP 5.1) with null string -- 
+array(0) {
+}
diff --git a/tests/std/strings/explode_variation6.phpt b/tests/std/strings/explode_variation6.phpt
new file mode 100644
index 00000000..3ac8d3ce
--- /dev/null
+++ b/tests/std/strings/explode_variation6.phpt
@@ -0,0 +1,67 @@
+--TEST--
+Test explode() function : usage variations - misc tests
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+
+echo "*** Testing explode() function: misc tests ***\n";
+
+$str = "one\x00two\x00three\x00four";
+
+echo "\n-- positive limit with null separator --\n";
+$e = test_explode("\x00", $str, 2);
+
+echo "\n-- negative limit (since PHP 5.1) with null separator --\n";
+$e = test_explode("\x00", $str, -2);
+
+echo "\n-- unknown string --\n";
+$e = test_explode("fred", $str,1);
+
+echo "\n-- limit = 0 --\n";
+$e = test_explode("\x00", $str, 0);
+
+echo "\n-- limit = -1 --\n";
+$e = test_explode("\x00", $str, -1);
+
+echo "\n-- large limit = -100 --\n";
+$e = test_explode("\x00", $str, 100);
+
+function test_explode($delim, $string, $limit)
+{
+    $e = explode($delim, $string, $limit);
+    foreach ( $e as $v)
+    {
+        var_dump(bin2hex($v));
+    }
+}
+?>
+--EXPECT--
+*** Testing explode() function: misc tests ***
+
+-- positive limit with null separator --
+string(6) "6f6e65"
+string(28) "74776f00746872656500666f7572"
+
+-- negative limit (since PHP 5.1) with null separator --
+string(6) "6f6e65"
+string(6) "74776f"
+
+-- unknown string --
+string(36) "6f6e650074776f00746872656500666f7572"
+
+-- limit = 0 --
+string(36) "6f6e650074776f00746872656500666f7572"
+
+-- limit = -1 --
+string(6) "6f6e65"
+string(6) "74776f"
+string(10) "7468726565"
+
+-- large limit = -100 --
+string(6) "6f6e65"
+string(6) "74776f"
+string(10) "7468726565"
+string(8) "666f7572"
diff --git a/tests/std/strings/explode_variation7.phpt b/tests/std/strings/explode_variation7.phpt
new file mode 100644
index 00000000..683afd9c
--- /dev/null
+++ b/tests/std/strings/explode_variation7.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Test explode() function : usage variations - when $string length is greater than
+EXPLODE_ALLOC_STEP (64) and the $limit is negative
+--CREDITS--
+edgarsandi - <edgar.r.sandi@gmail.com>
+--FILE--
+<?php
+
+var_dump(count(explode('|', implode('|', range(1,65)), -1)));
+
+?>
+--EXPECT--
+int(64)
diff --git a/tests/std/strings/fprintf_error.phpt b/tests/std/strings/fprintf_error.phpt
new file mode 100644
index 00000000..a6ddcdd9
--- /dev/null
+++ b/tests/std/strings/fprintf_error.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test fprintf() function (errors)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+/* Testing Error Conditions */
+echo "*** Testing Error Conditions ***\n";
+
+/* zero argument */
+try {
+    var_dump( fprintf() );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* scalar argument */
+try {
+    var_dump( fprintf(3) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* NULL argument */
+try {
+    var_dump( fprintf(NULL) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing Error Conditions ***
+fprintf() expects at least 2 arguments, 0 given
+fprintf() expects at least 2 arguments, 1 given
+fprintf() expects at least 2 arguments, 1 given
+Done
diff --git a/tests/std/strings/fprintf_variation_001.phpt b/tests/std/strings/fprintf_variation_001.phpt
new file mode 100644
index 00000000..c010aef3
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_001.phpt
@@ -0,0 +1,117 @@
+--TEST--
+Test fprintf() function (variation - 1)
+--FILE--
+<?php
+
+$float_variation = array( "%f","%-f", "%+f", "%7.2f", "%-7.2f", "%07.2f", "%-07.2f", "%'#7.2f" );
+$float_numbers = array( 0, 1, -1, 0.32, -0.32, 3.4. -3.4, 2.54, -2.54 );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_001.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$counter = 1;
+/* float type variations */
+fprintf($fp, "\n*** Testing fprintf() with floats ***\n");
+
+foreach( $float_variation as $float_var ) {
+  fprintf( $fp, "\n-- Iteration %d --\n",$counter);
+  foreach( $float_numbers as $float_num ) {
+    fprintf( $fp, "\n");
+    fprintf( $fp, $float_var, $float_num );
+  }
+  $counter++;
+}
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() with floats ***
+
+-- Iteration 1 --
+
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+-- Iteration 2 --
+
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+-- Iteration 3 --
+
++0.000000
++1.000000
+-1.000000
++0.320000
+-0.320000
++3.400000
++2.540000
+-2.540000
+-- Iteration 4 --
+
+   0.00
+   1.00
+  -1.00
+   0.32
+  -0.32
+   3.40
+   2.54
+  -2.54
+-- Iteration 5 --
+
+0.00   
+1.00   
+-1.00  
+0.32   
+-0.32  
+3.40   
+2.54   
+-2.54  
+-- Iteration 6 --
+
+0000.00
+0001.00
+-001.00
+0000.32
+-000.32
+0003.40
+0002.54
+-002.54
+-- Iteration 7 --
+
+0.00000
+1.00000
+-1.0000
+0.32000
+-0.3200
+3.40000
+2.54000
+-2.5400
+-- Iteration 8 --
+
+###0.00
+###1.00
+##-1.00
+###0.32
+##-0.32
+###3.40
+###2.54
+##-2.54
+Done
diff --git a/tests/std/strings/fprintf_variation_002.phpt b/tests/std/strings/fprintf_variation_002.phpt
new file mode 100644
index 00000000..f0f21b46
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_002.phpt
@@ -0,0 +1,117 @@
+--TEST--
+Test fprintf() function (variation - 2)
+--FILE--
+<?php
+
+$int_variation = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_002.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$counter = 1;
+/* integer type variations */
+fprintf($fp, "\n*** Testing fprintf() with integers ***\n");
+foreach( $int_variation as $int_var ) {
+  fprintf( $fp, "\n-- Iteration %d --\n",$counter);
+  foreach( $int_numbers as $int_num ) {
+    fprintf( $fp, "\n");
+    fprintf( $fp, $int_var, $int_num );
+  }
+  $counter++;
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() with integers ***
+
+-- Iteration 1 --
+
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+-- Iteration 2 --
+
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+-- Iteration 3 --
+
++0
++1
+-1
++2
+-2
++23333333
+-23333333
++1234
+-- Iteration 4 --
+
+      0
+      1
+     -1
+      2
+     -2
+23333333
+-23333333
+   1234
+-- Iteration 5 --
+
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+-- Iteration 6 --
+
+0000000
+0000001
+-000001
+0000002
+-000002
+23333333
+-23333333
+0001234
+-- Iteration 7 --
+
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+-- Iteration 8 --
+
+######0
+######1
+#####-1
+######2
+#####-2
+23333333
+-23333333
+###1234
+Done
diff --git a/tests/std/strings/fprintf_variation_003.phpt b/tests/std/strings/fprintf_variation_003.phpt
new file mode 100644
index 00000000..9e977937
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_003.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test fprintf() function (variation - 3)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_003.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* binary type variations */
+fprintf($fp, "\n*** Testing fprintf() with binary ***\n");
+foreach( $int_numbers as $bin_num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%b", $bin_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() with binary ***
+
+0
+1
+11111111111111111111111111111111
+10
+11111111111111111111111111111110
+1011001000000100111010101
+11111110100110111111011000101011
+10011010010
+Done
diff --git a/tests/std/strings/fprintf_variation_003_64bit.phpt b/tests/std/strings/fprintf_variation_003_64bit.phpt
new file mode 100644
index 00000000..bdb59d50
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_003_64bit.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test fprintf() function (variation - 3)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_003_64bit.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* binary type variations */
+fprintf($fp, "\n*** Testing fprintf() with binary ***\n");
+foreach( $int_numbers as $bin_num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%b", $bin_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() with binary ***
+
+0
+1
+1111111111111111111111111111111111111111111111111111111111111111
+10
+1111111111111111111111111111111111111111111111111111111111111110
+1011001000000100111010101
+1111111111111111111111111111111111111110100110111111011000101011
+10011010010
+Done
diff --git a/tests/std/strings/fprintf_variation_004.phpt b/tests/std/strings/fprintf_variation_004.phpt
new file mode 100644
index 00000000..a72f46b3
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_004.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test fprintf() function (variation - 4)
+--FILE--
+<?php
+
+$char_variation = array( 'a', "a", 67, -67, 99 );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_004.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* char type variations */
+fprintf($fp, "\n*** Testing fprintf() for chars ***\n");
+foreach( $char_variation as $char ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp,"%c", $char );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() for chars ***
+
+%0
+%0
+C
+%s
+c
+Done
diff --git a/tests/std/strings/fprintf_variation_005.phpt b/tests/std/strings/fprintf_variation_005.phpt
new file mode 100644
index 00000000..ddc4f709
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_005.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test fprintf() function (variation - 5)
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_005.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* %e type variations */
+fprintf($fp, "\n*** Testing fprintf() for scientific type ***\n");
+foreach( $int_numbers as $num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%e", $num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for scientific type ***
+
+0.000000e+0
+1.000000e+0
+-1.000000e+0
+2.700000e+0
+-2.700000e+0
+2.333333e+7
+-2.333333e+7
+1.234000e+3
+Done
diff --git a/tests/std/strings/fprintf_variation_006.phpt b/tests/std/strings/fprintf_variation_006.phpt
new file mode 100644
index 00000000..75846c27
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_006.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test fprintf() function (variation - 6)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_006.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* unsigned int type variation */
+fprintf($fp, "\n*** Testing fprintf() for unsigned integers ***\n");
+foreach( $int_numbers as $unsig_num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%u", $unsig_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for unsigned integers ***
+
+0
+1
+4294967295
+2
+4294967294
+23333333
+4271633963
+1234
+Done
diff --git a/tests/std/strings/fprintf_variation_006_64bit.phpt b/tests/std/strings/fprintf_variation_006_64bit.phpt
new file mode 100644
index 00000000..a4c20f16
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_006_64bit.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test fprintf() function (variation - 6)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_006_64bit.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* unsigned int type variation */
+fprintf($fp, "\n*** Testing fprintf() for unsigned integers ***\n");
+foreach( $int_numbers as $unsig_num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%u", $unsig_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for unsigned integers ***
+
+0
+1
+18446744073709551615
+2
+18446744073709551614
+23333333
+18446744073686218283
+1234
+Done
diff --git a/tests/std/strings/fprintf_variation_007.phpt b/tests/std/strings/fprintf_variation_007.phpt
new file mode 100644
index 00000000..e2102a53
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_007.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test fprintf() function (variation - 7)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_007.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* octal type variations */
+fprintf($fp, "\n*** Testing fprintf() for octals ***\n");
+foreach( $int_numbers as $octal_num ) {
+ fprintf( $fp, "\n");
+ fprintf( $fp, "%o", $octal_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for octals ***
+
+0
+1
+37777777777
+2
+37777777776
+131004725
+37646773053
+2322
+Done
diff --git a/tests/std/strings/fprintf_variation_007_64bit.phpt b/tests/std/strings/fprintf_variation_007_64bit.phpt
new file mode 100644
index 00000000..b4c80f95
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_007_64bit.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test fprintf() function (variation - 7)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_007_64bit.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* octal type variations */
+fprintf($fp, "\n*** Testing fprintf() for octals ***\n");
+foreach( $int_numbers as $octal_num ) {
+ fprintf( $fp, "\n");
+ fprintf( $fp, "%o", $octal_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for octals ***
+
+0
+1
+1777777777777777777777
+2
+1777777777777777777776
+131004725
+1777777777777646773053
+2322
+Done
diff --git a/tests/std/strings/fprintf_variation_008.phpt b/tests/std/strings/fprintf_variation_008.phpt
new file mode 100644
index 00000000..dba49b47
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_008.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test fprintf() function (variation - 8)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+
+$int_variation = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_008.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* hexadecimal type variations */
+fprintf($fp, "\n*** Testing fprintf() for hexadecimals ***\n");
+foreach( $int_numbers as $hexa_num ) {
+ fprintf( $fp, "\n");
+ fprintf( $fp, "%x", $hexa_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for hexadecimals ***
+
+0
+1
+ffffffff
+2
+fffffffe
+16409d5
+fe9bf62b
+4d2
+Done
diff --git a/tests/std/strings/fprintf_variation_008_64bit.phpt b/tests/std/strings/fprintf_variation_008_64bit.phpt
new file mode 100644
index 00000000..fae1ce3c
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_008_64bit.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test fprintf() function (variation - 8)
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+
+$int_variation = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_008_64bit.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* hexadecimal type variations */
+fprintf($fp, "\n*** Testing fprintf() for hexadecimals ***\n");
+foreach( $int_numbers as $hexa_num ) {
+ fprintf( $fp, "\n");
+ fprintf( $fp, "%x", $hexa_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for hexadecimals ***
+
+0
+1
+ffffffffffffffff
+2
+fffffffffffffffe
+16409d5
+fffffffffe9bf62b
+4d2
+Done
diff --git a/tests/std/strings/fprintf_variation_009.phpt b/tests/std/strings/fprintf_variation_009.phpt
new file mode 100644
index 00000000..eb1780f0
--- /dev/null
+++ b/tests/std/strings/fprintf_variation_009.phpt
@@ -0,0 +1,57 @@
+--TEST--
+Test fprintf() function (variation - 9)
+--FILE--
+<?php
+
+$string_variation = array( "%5s", "%-5s", "%05s", "%'#5s" );
+$strings = array( NULL, "abc", 'aaa' );
+
+/* creating dumping file */
+$data_file = __DIR__ . '/fprintf_variation_009.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$counter = 1;
+/* string type variations */
+fprintf($fp, "\n*** Testing fprintf() for string types ***\n");
+foreach( $string_variation as $string_var ) {
+  fprintf( $fp, "\n-- Iteration %d --\n",$counter);
+  foreach( $strings as $str ) {
+    fprintf( $fp, "\n");
+    fprintf( $fp, $string_var, $str );
+  }
+  $counter++;
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing fprintf() for string types ***
+
+-- Iteration 1 --
+
+     
+  abc
+  aaa
+-- Iteration 2 --
+
+     
+abc  
+aaa  
+-- Iteration 3 --
+
+00000
+00abc
+00aaa
+-- Iteration 4 --
+
+#####
+##abc
+##aaa
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic1.phpt b/tests/std/strings/get_html_translation_table_basic1.phpt
new file mode 100644
index 00000000..4f4920c7
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic1.phpt
@@ -0,0 +1,544 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - with default args
+--FILE--
+<?php
+/* Test get_html_translation_table() when table is specified as HTML_ENTITIES */
+
+
+echo "*** Testing get_html_translation_table() : basic functionality ***\n";
+
+echo "-- with table = HTML_ENTITIES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT, "UTF-8");
+asort($tt);
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "UTF-8");
+asort($tt);
+var_dump( $tt );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality ***
+-- with table = HTML_ENTITIES --
+array(252) {
+  ["Æ"]=>
+  string(7) "&AElig;"
+  ["�"]=>
+  string(8) "&Aacute;"
+  ["Â"]=>
+  string(7) "&Acirc;"
+  ["À"]=>
+  string(8) "&Agrave;"
+  ["Α"]=>
+  string(7) "&Alpha;"
+  ["Ã…"]=>
+  string(7) "&Aring;"
+  ["Ã"]=>
+  string(8) "&Atilde;"
+  ["Ä"]=>
+  string(6) "&Auml;"
+  ["Î’"]=>
+  string(6) "&Beta;"
+  ["Ç"]=>
+  string(8) "&Ccedil;"
+  ["Χ"]=>
+  string(5) "&Chi;"
+  ["‡"]=>
+  string(8) "&Dagger;"
+  ["Δ"]=>
+  string(7) "&Delta;"
+  ["�"]=>
+  string(5) "&ETH;"
+  ["É"]=>
+  string(8) "&Eacute;"
+  ["Ê"]=>
+  string(7) "&Ecirc;"
+  ["È"]=>
+  string(8) "&Egrave;"
+  ["Ε"]=>
+  string(9) "&Epsilon;"
+  ["Η"]=>
+  string(5) "&Eta;"
+  ["Ë"]=>
+  string(6) "&Euml;"
+  ["Γ"]=>
+  string(7) "&Gamma;"
+  ["�"]=>
+  string(8) "&Iacute;"
+  ["ÃŽ"]=>
+  string(7) "&Icirc;"
+  ["Ì"]=>
+  string(8) "&Igrave;"
+  ["Ι"]=>
+  string(6) "&Iota;"
+  ["�"]=>
+  string(6) "&Iuml;"
+  ["Κ"]=>
+  string(7) "&Kappa;"
+  ["Λ"]=>
+  string(8) "&Lambda;"
+  ["Μ"]=>
+  string(4) "&Mu;"
+  ["Ñ"]=>
+  string(8) "&Ntilde;"
+  ["�"]=>
+  string(4) "&Nu;"
+  ["Å’"]=>
+  string(7) "&OElig;"
+  ["Ó"]=>
+  string(8) "&Oacute;"
+  ["Ô"]=>
+  string(7) "&Ocirc;"
+  ["Ã’"]=>
+  string(8) "&Ograve;"
+  ["Ω"]=>
+  string(7) "&Omega;"
+  ["Ο"]=>
+  string(9) "&Omicron;"
+  ["Ø"]=>
+  string(8) "&Oslash;"
+  ["Õ"]=>
+  string(8) "&Otilde;"
+  ["Ö"]=>
+  string(6) "&Ouml;"
+  ["Φ"]=>
+  string(5) "&Phi;"
+  ["Π"]=>
+  string(4) "&Pi;"
+  ["″"]=>
+  string(7) "&Prime;"
+  ["Ψ"]=>
+  string(5) "&Psi;"
+  ["Ρ"]=>
+  string(5) "&Rho;"
+  ["Å "]=>
+  string(8) "&Scaron;"
+  ["Σ"]=>
+  string(7) "&Sigma;"
+  ["Þ"]=>
+  string(7) "&THORN;"
+  ["Τ"]=>
+  string(5) "&Tau;"
+  ["Θ"]=>
+  string(7) "&Theta;"
+  ["Ú"]=>
+  string(8) "&Uacute;"
+  ["Û"]=>
+  string(7) "&Ucirc;"
+  ["Ù"]=>
+  string(8) "&Ugrave;"
+  ["Î¥"]=>
+  string(9) "&Upsilon;"
+  ["Ü"]=>
+  string(6) "&Uuml;"
+  ["Ξ"]=>
+  string(4) "&Xi;"
+  ["�"]=>
+  string(8) "&Yacute;"
+  ["Ÿ"]=>
+  string(6) "&Yuml;"
+  ["Ζ"]=>
+  string(6) "&Zeta;"
+  ["á"]=>
+  string(8) "&aacute;"
+  ["â"]=>
+  string(7) "&acirc;"
+  ["´"]=>
+  string(7) "&acute;"
+  ["æ"]=>
+  string(7) "&aelig;"
+  ["à"]=>
+  string(8) "&agrave;"
+  ["ℵ"]=>
+  string(9) "&alefsym;"
+  ["α"]=>
+  string(7) "&alpha;"
+  ["&"]=>
+  string(5) "&amp;"
+  ["∧"]=>
+  string(5) "&and;"
+  ["∠"]=>
+  string(5) "&ang;"
+  ["Ã¥"]=>
+  string(7) "&aring;"
+  ["≈"]=>
+  string(7) "&asymp;"
+  ["ã"]=>
+  string(8) "&atilde;"
+  ["ä"]=>
+  string(6) "&auml;"
+  ["„"]=>
+  string(7) "&bdquo;"
+  ["β"]=>
+  string(6) "&beta;"
+  ["¦"]=>
+  string(8) "&brvbar;"
+  ["•"]=>
+  string(6) "&bull;"
+  ["∩"]=>
+  string(5) "&cap;"
+  ["ç"]=>
+  string(8) "&ccedil;"
+  ["¸"]=>
+  string(7) "&cedil;"
+  ["¢"]=>
+  string(6) "&cent;"
+  ["χ"]=>
+  string(5) "&chi;"
+  ["ˆ"]=>
+  string(6) "&circ;"
+  ["♣"]=>
+  string(7) "&clubs;"
+  ["≅"]=>
+  string(6) "&cong;"
+  ["©"]=>
+  string(6) "&copy;"
+  ["↵"]=>
+  string(7) "&crarr;"
+  ["∪"]=>
+  string(5) "&cup;"
+  ["¤"]=>
+  string(8) "&curren;"
+  ["⇓"]=>
+  string(6) "&dArr;"
+  ["†"]=>
+  string(8) "&dagger;"
+  ["↓"]=>
+  string(6) "&darr;"
+  ["°"]=>
+  string(5) "&deg;"
+  ["δ"]=>
+  string(7) "&delta;"
+  ["♦"]=>
+  string(7) "&diams;"
+  ["÷"]=>
+  string(8) "&divide;"
+  ["é"]=>
+  string(8) "&eacute;"
+  ["ê"]=>
+  string(7) "&ecirc;"
+  ["è"]=>
+  string(8) "&egrave;"
+  ["∅"]=>
+  string(7) "&empty;"
+  [" "]=>
+  string(6) "&emsp;"
+  [" "]=>
+  string(6) "&ensp;"
+  ["ε"]=>
+  string(9) "&epsilon;"
+  ["≡"]=>
+  string(7) "&equiv;"
+  ["η"]=>
+  string(5) "&eta;"
+  ["ð"]=>
+  string(5) "&eth;"
+  ["ë"]=>
+  string(6) "&euml;"
+  ["€"]=>
+  string(6) "&euro;"
+  ["∃"]=>
+  string(7) "&exist;"
+  ["Æ’"]=>
+  string(6) "&fnof;"
+  ["∀"]=>
+  string(8) "&forall;"
+  ["½"]=>
+  string(8) "&frac12;"
+  ["¼"]=>
+  string(8) "&frac14;"
+  ["¾"]=>
+  string(8) "&frac34;"
+  ["�"]=>
+  string(7) "&frasl;"
+  ["γ"]=>
+  string(7) "&gamma;"
+  ["≥"]=>
+  string(4) "&ge;"
+  [">"]=>
+  string(4) "&gt;"
+  ["⇔"]=>
+  string(6) "&hArr;"
+  ["↔"]=>
+  string(6) "&harr;"
+  ["♥"]=>
+  string(8) "&hearts;"
+  ["…"]=>
+  string(8) "&hellip;"
+  ["í"]=>
+  string(8) "&iacute;"
+  ["î"]=>
+  string(7) "&icirc;"
+  ["¡"]=>
+  string(7) "&iexcl;"
+  ["ì"]=>
+  string(8) "&igrave;"
+  ["â„‘"]=>
+  string(7) "&image;"
+  ["∞"]=>
+  string(7) "&infin;"
+  ["∫"]=>
+  string(5) "&int;"
+  ["ι"]=>
+  string(6) "&iota;"
+  ["¿"]=>
+  string(8) "&iquest;"
+  ["∈"]=>
+  string(6) "&isin;"
+  ["ï"]=>
+  string(6) "&iuml;"
+  ["κ"]=>
+  string(7) "&kappa;"
+  ["�"]=>
+  string(6) "&lArr;"
+  ["λ"]=>
+  string(8) "&lambda;"
+  ["〈"]=>
+  string(6) "&lang;"
+  ["«"]=>
+  string(7) "&laquo;"
+  ["�"]=>
+  string(6) "&larr;"
+  ["⌈"]=>
+  string(7) "&lceil;"
+  ["“"]=>
+  string(7) "&ldquo;"
+  ["≤"]=>
+  string(4) "&le;"
+  ["⌊"]=>
+  string(8) "&lfloor;"
+  ["∗"]=>
+  string(8) "&lowast;"
+  ["â—Š"]=>
+  string(5) "&loz;"
+  ["‎"]=>
+  string(5) "&lrm;"
+  ["‹"]=>
+  string(8) "&lsaquo;"
+  ["‘"]=>
+  string(7) "&lsquo;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["¯"]=>
+  string(6) "&macr;"
+  ["—"]=>
+  string(7) "&mdash;"
+  ["µ"]=>
+  string(7) "&micro;"
+  ["·"]=>
+  string(8) "&middot;"
+  ["−"]=>
+  string(7) "&minus;"
+  ["μ"]=>
+  string(4) "&mu;"
+  ["∇"]=>
+  string(7) "&nabla;"
+  [" "]=>
+  string(6) "&nbsp;"
+  ["–"]=>
+  string(7) "&ndash;"
+  ["≠"]=>
+  string(4) "&ne;"
+  ["∋"]=>
+  string(4) "&ni;"
+  ["¬"]=>
+  string(5) "&not;"
+  ["∉"]=>
+  string(7) "&notin;"
+  ["⊄"]=>
+  string(6) "&nsub;"
+  ["ñ"]=>
+  string(8) "&ntilde;"
+  ["ν"]=>
+  string(4) "&nu;"
+  ["ó"]=>
+  string(8) "&oacute;"
+  ["ô"]=>
+  string(7) "&ocirc;"
+  ["Å“"]=>
+  string(7) "&oelig;"
+  ["ò"]=>
+  string(8) "&ograve;"
+  ["‾"]=>
+  string(7) "&oline;"
+  ["ω"]=>
+  string(7) "&omega;"
+  ["ο"]=>
+  string(9) "&omicron;"
+  ["⊕"]=>
+  string(7) "&oplus;"
+  ["∨"]=>
+  string(4) "&or;"
+  ["ª"]=>
+  string(6) "&ordf;"
+  ["º"]=>
+  string(6) "&ordm;"
+  ["ø"]=>
+  string(8) "&oslash;"
+  ["õ"]=>
+  string(8) "&otilde;"
+  ["⊗"]=>
+  string(8) "&otimes;"
+  ["ö"]=>
+  string(6) "&ouml;"
+  ["¶"]=>
+  string(6) "&para;"
+  ["∂"]=>
+  string(6) "&part;"
+  ["‰"]=>
+  string(8) "&permil;"
+  ["⊥"]=>
+  string(6) "&perp;"
+  ["φ"]=>
+  string(5) "&phi;"
+  ["Ï€"]=>
+  string(4) "&pi;"
+  ["Ï–"]=>
+  string(5) "&piv;"
+  ["±"]=>
+  string(8) "&plusmn;"
+  ["£"]=>
+  string(7) "&pound;"
+  ["′"]=>
+  string(7) "&prime;"
+  ["�"]=>
+  string(6) "&prod;"
+  ["�"]=>
+  string(6) "&prop;"
+  ["ψ"]=>
+  string(5) "&psi;"
+  ["""]=>
+  string(6) "&quot;"
+  ["⇒"]=>
+  string(6) "&rArr;"
+  ["√"]=>
+  string(7) "&radic;"
+  ["〉"]=>
+  string(6) "&rang;"
+  ["»"]=>
+  string(7) "&raquo;"
+  ["→"]=>
+  string(6) "&rarr;"
+  ["⌉"]=>
+  string(7) "&rceil;"
+  ["�"]=>
+  string(7) "&rdquo;"
+  ["ℜ"]=>
+  string(6) "&real;"
+  ["®"]=>
+  string(5) "&reg;"
+  ["⌋"]=>
+  string(8) "&rfloor;"
+  ["�"]=>
+  string(5) "&rho;"
+  ["�"]=>
+  string(5) "&rlm;"
+  ["›"]=>
+  string(8) "&rsaquo;"
+  ["’"]=>
+  string(7) "&rsquo;"
+  ["‚"]=>
+  string(7) "&sbquo;"
+  ["Å¡"]=>
+  string(8) "&scaron;"
+  ["â‹…"]=>
+  string(6) "&sdot;"
+  ["§"]=>
+  string(6) "&sect;"
+  ["­"]=>
+  string(5) "&shy;"
+  ["σ"]=>
+  string(7) "&sigma;"
+  ["Ï‚"]=>
+  string(8) "&sigmaf;"
+  ["∼"]=>
+  string(5) "&sim;"
+  ["â™ "]=>
+  string(8) "&spades;"
+  ["⊂"]=>
+  string(5) "&sub;"
+  ["⊆"]=>
+  string(6) "&sube;"
+  ["∑"]=>
+  string(5) "&sum;"
+  ["¹"]=>
+  string(6) "&sup1;"
+  ["²"]=>
+  string(6) "&sup2;"
+  ["³"]=>
+  string(6) "&sup3;"
+  ["⊃"]=>
+  string(5) "&sup;"
+  ["⊇"]=>
+  string(6) "&supe;"
+  ["ß"]=>
+  string(7) "&szlig;"
+  ["Ï„"]=>
+  string(5) "&tau;"
+  ["∴"]=>
+  string(8) "&there4;"
+  ["θ"]=>
+  string(7) "&theta;"
+  ["Ï‘"]=>
+  string(10) "&thetasym;"
+  [" "]=>
+  string(8) "&thinsp;"
+  ["þ"]=>
+  string(7) "&thorn;"
+  ["˜"]=>
+  string(7) "&tilde;"
+  ["×"]=>
+  string(7) "&times;"
+  ["â„¢"]=>
+  string(7) "&trade;"
+  ["⇑"]=>
+  string(6) "&uArr;"
+  ["ú"]=>
+  string(8) "&uacute;"
+  ["↑"]=>
+  string(6) "&uarr;"
+  ["û"]=>
+  string(7) "&ucirc;"
+  ["ù"]=>
+  string(8) "&ugrave;"
+  ["¨"]=>
+  string(5) "&uml;"
+  ["Ï’"]=>
+  string(7) "&upsih;"
+  ["Ï…"]=>
+  string(9) "&upsilon;"
+  ["ü"]=>
+  string(6) "&uuml;"
+  ["℘"]=>
+  string(8) "&weierp;"
+  ["ξ"]=>
+  string(4) "&xi;"
+  ["ý"]=>
+  string(8) "&yacute;"
+  ["Â¥"]=>
+  string(5) "&yen;"
+  ["ÿ"]=>
+  string(6) "&yuml;"
+  ["ζ"]=>
+  string(6) "&zeta;"
+  ["�"]=>
+  string(5) "&zwj;"
+  ["‌"]=>
+  string(6) "&zwnj;"
+}
+-- with table = HTML_SPECIALCHARS --
+array(4) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic10.phpt b/tests/std/strings/get_html_translation_table_basic10.phpt
new file mode 100644
index 00000000..848d8930
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic10.phpt
@@ -0,0 +1,125 @@
+--TEST--
+Test get_html_translation_table() function: htmlentities/HTML 4/ISO-8859-1 (bug #64011)
+--SKIPIF--
+<?php
+echo 'skip AOT cannot auto-wrap code with inner function/class declarations';
+?>
+--FILE--
+<?php
+
+function so($a,$b) { return ord($a) - ord($b); }
+
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT, "ISO-8859-1");
+uksort( $tt, 'so' );
+var_dump( count($tt) );
+print_r( $tt );
+echo "Done\n";
+
+?>
+--EXPECT--
+int(100)
+Array
+(
+    ["] => &quot;
+    [&] => &amp;
+    [<] => &lt;
+    [>] => &gt;
+    [ ] => &nbsp;
+    [¡] => &iexcl;
+    [¢] => &cent;
+    [£] => &pound;
+    [¤] => &curren;
+    [¥] => &yen;
+    [¦] => &brvbar;
+    [§] => &sect;
+    [¨] => &uml;
+    [©] => &copy;
+    [ª] => &ordf;
+    [«] => &laquo;
+    [¬] => &not;
+    [­] => &shy;
+    [®] => &reg;
+    [¯] => &macr;
+    [°] => &deg;
+    [±] => &plusmn;
+    [²] => &sup2;
+    [³] => &sup3;
+    [´] => &acute;
+    [µ] => &micro;
+    [¶] => &para;
+    [·] => &middot;
+    [¸] => &cedil;
+    [¹] => &sup1;
+    [º] => &ordm;
+    [»] => &raquo;
+    [¼] => &frac14;
+    [½] => &frac12;
+    [¾] => &frac34;
+    [¿] => &iquest;
+    [À] => &Agrave;
+    [Á] => &Aacute;
+    [Â] => &Acirc;
+    [Ã] => &Atilde;
+    [Ä] => &Auml;
+    [Å] => &Aring;
+    [Æ] => &AElig;
+    [Ç] => &Ccedil;
+    [È] => &Egrave;
+    [É] => &Eacute;
+    [Ê] => &Ecirc;
+    [Ë] => &Euml;
+    [Ì] => &Igrave;
+    [Í] => &Iacute;
+    [Î] => &Icirc;
+    [Ï] => &Iuml;
+    [Ð] => &ETH;
+    [Ñ] => &Ntilde;
+    [Ò] => &Ograve;
+    [Ó] => &Oacute;
+    [Ô] => &Ocirc;
+    [Õ] => &Otilde;
+    [Ö] => &Ouml;
+    [×] => &times;
+    [Ø] => &Oslash;
+    [Ù] => &Ugrave;
+    [Ú] => &Uacute;
+    [Û] => &Ucirc;
+    [Ü] => &Uuml;
+    [Ý] => &Yacute;
+    [Þ] => &THORN;
+    [ß] => &szlig;
+    [à] => &agrave;
+    [á] => &aacute;
+    [â] => &acirc;
+    [ã] => &atilde;
+    [ä] => &auml;
+    [å] => &aring;
+    [æ] => &aelig;
+    [ç] => &ccedil;
+    [è] => &egrave;
+    [é] => &eacute;
+    [ê] => &ecirc;
+    [ë] => &euml;
+    [ì] => &igrave;
+    [í] => &iacute;
+    [î] => &icirc;
+    [ï] => &iuml;
+    [ð] => &eth;
+    [ñ] => &ntilde;
+    [ò] => &ograve;
+    [ó] => &oacute;
+    [ô] => &ocirc;
+    [õ] => &otilde;
+    [ö] => &ouml;
+    [÷] => &divide;
+    [ø] => &oslash;
+    [ù] => &ugrave;
+    [ú] => &uacute;
+    [û] => &ucirc;
+    [ü] => &uuml;
+    [ý] => &yacute;
+    [þ] => &thorn;
+    [ÿ] => &yuml;
+)
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic2.phpt b/tests/std/strings/get_html_translation_table_basic2.phpt
new file mode 100644
index 00000000..df61096a
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic2.phpt
@@ -0,0 +1,1560 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - table as HTML_ENTITIES & diff quote_style
+--FILE--
+<?php
+/* Test get_html_translation_table() when table is specified as HTML_ENTITIES */
+
+//set locale to en_US.UTF-8
+setlocale(LC_ALL, "en_US.UTF-8");
+
+
+echo "*** Testing get_html_translation_table() : basic functionality ***\n";
+
+// Calling get_html_translation_table() with all arguments
+// $table as HTML_ENTITIES and different quote style
+echo "-- with table = HTML_ENTITIES & quote_style = ENT_COMPAT --\n";
+$table = HTML_ENTITIES;
+$quote_style = ENT_COMPAT;
+$tt = get_html_translation_table($table, $quote_style, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_ENTITIES & quote_style = ENT_QUOTES --\n";
+$quote_style = ENT_QUOTES;
+$tt = get_html_translation_table($table, $quote_style, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_ENTITIES & quote_style = ENT_NOQUOTES --\n";
+$quote_style = ENT_NOQUOTES;
+$tt = get_html_translation_table($table, $quote_style, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality ***
+-- with table = HTML_ENTITIES & quote_style = ENT_COMPAT --
+array(252) {
+  ["Æ"]=>
+  string(7) "&AElig;"
+  ["�"]=>
+  string(8) "&Aacute;"
+  ["Â"]=>
+  string(7) "&Acirc;"
+  ["À"]=>
+  string(8) "&Agrave;"
+  ["Α"]=>
+  string(7) "&Alpha;"
+  ["Ã…"]=>
+  string(7) "&Aring;"
+  ["Ã"]=>
+  string(8) "&Atilde;"
+  ["Ä"]=>
+  string(6) "&Auml;"
+  ["Î’"]=>
+  string(6) "&Beta;"
+  ["Ç"]=>
+  string(8) "&Ccedil;"
+  ["Χ"]=>
+  string(5) "&Chi;"
+  ["‡"]=>
+  string(8) "&Dagger;"
+  ["Δ"]=>
+  string(7) "&Delta;"
+  ["�"]=>
+  string(5) "&ETH;"
+  ["É"]=>
+  string(8) "&Eacute;"
+  ["Ê"]=>
+  string(7) "&Ecirc;"
+  ["È"]=>
+  string(8) "&Egrave;"
+  ["Ε"]=>
+  string(9) "&Epsilon;"
+  ["Η"]=>
+  string(5) "&Eta;"
+  ["Ë"]=>
+  string(6) "&Euml;"
+  ["Γ"]=>
+  string(7) "&Gamma;"
+  ["�"]=>
+  string(8) "&Iacute;"
+  ["ÃŽ"]=>
+  string(7) "&Icirc;"
+  ["Ì"]=>
+  string(8) "&Igrave;"
+  ["Ι"]=>
+  string(6) "&Iota;"
+  ["�"]=>
+  string(6) "&Iuml;"
+  ["Κ"]=>
+  string(7) "&Kappa;"
+  ["Λ"]=>
+  string(8) "&Lambda;"
+  ["Μ"]=>
+  string(4) "&Mu;"
+  ["Ñ"]=>
+  string(8) "&Ntilde;"
+  ["�"]=>
+  string(4) "&Nu;"
+  ["Å’"]=>
+  string(7) "&OElig;"
+  ["Ó"]=>
+  string(8) "&Oacute;"
+  ["Ô"]=>
+  string(7) "&Ocirc;"
+  ["Ã’"]=>
+  string(8) "&Ograve;"
+  ["Ω"]=>
+  string(7) "&Omega;"
+  ["Ο"]=>
+  string(9) "&Omicron;"
+  ["Ø"]=>
+  string(8) "&Oslash;"
+  ["Õ"]=>
+  string(8) "&Otilde;"
+  ["Ö"]=>
+  string(6) "&Ouml;"
+  ["Φ"]=>
+  string(5) "&Phi;"
+  ["Π"]=>
+  string(4) "&Pi;"
+  ["″"]=>
+  string(7) "&Prime;"
+  ["Ψ"]=>
+  string(5) "&Psi;"
+  ["Ρ"]=>
+  string(5) "&Rho;"
+  ["Å "]=>
+  string(8) "&Scaron;"
+  ["Σ"]=>
+  string(7) "&Sigma;"
+  ["Þ"]=>
+  string(7) "&THORN;"
+  ["Τ"]=>
+  string(5) "&Tau;"
+  ["Θ"]=>
+  string(7) "&Theta;"
+  ["Ú"]=>
+  string(8) "&Uacute;"
+  ["Û"]=>
+  string(7) "&Ucirc;"
+  ["Ù"]=>
+  string(8) "&Ugrave;"
+  ["Î¥"]=>
+  string(9) "&Upsilon;"
+  ["Ü"]=>
+  string(6) "&Uuml;"
+  ["Ξ"]=>
+  string(4) "&Xi;"
+  ["�"]=>
+  string(8) "&Yacute;"
+  ["Ÿ"]=>
+  string(6) "&Yuml;"
+  ["Ζ"]=>
+  string(6) "&Zeta;"
+  ["á"]=>
+  string(8) "&aacute;"
+  ["â"]=>
+  string(7) "&acirc;"
+  ["´"]=>
+  string(7) "&acute;"
+  ["æ"]=>
+  string(7) "&aelig;"
+  ["à"]=>
+  string(8) "&agrave;"
+  ["ℵ"]=>
+  string(9) "&alefsym;"
+  ["α"]=>
+  string(7) "&alpha;"
+  ["&"]=>
+  string(5) "&amp;"
+  ["∧"]=>
+  string(5) "&and;"
+  ["∠"]=>
+  string(5) "&ang;"
+  ["Ã¥"]=>
+  string(7) "&aring;"
+  ["≈"]=>
+  string(7) "&asymp;"
+  ["ã"]=>
+  string(8) "&atilde;"
+  ["ä"]=>
+  string(6) "&auml;"
+  ["„"]=>
+  string(7) "&bdquo;"
+  ["β"]=>
+  string(6) "&beta;"
+  ["¦"]=>
+  string(8) "&brvbar;"
+  ["•"]=>
+  string(6) "&bull;"
+  ["∩"]=>
+  string(5) "&cap;"
+  ["ç"]=>
+  string(8) "&ccedil;"
+  ["¸"]=>
+  string(7) "&cedil;"
+  ["¢"]=>
+  string(6) "&cent;"
+  ["χ"]=>
+  string(5) "&chi;"
+  ["ˆ"]=>
+  string(6) "&circ;"
+  ["♣"]=>
+  string(7) "&clubs;"
+  ["≅"]=>
+  string(6) "&cong;"
+  ["©"]=>
+  string(6) "&copy;"
+  ["↵"]=>
+  string(7) "&crarr;"
+  ["∪"]=>
+  string(5) "&cup;"
+  ["¤"]=>
+  string(8) "&curren;"
+  ["⇓"]=>
+  string(6) "&dArr;"
+  ["†"]=>
+  string(8) "&dagger;"
+  ["↓"]=>
+  string(6) "&darr;"
+  ["°"]=>
+  string(5) "&deg;"
+  ["δ"]=>
+  string(7) "&delta;"
+  ["♦"]=>
+  string(7) "&diams;"
+  ["÷"]=>
+  string(8) "&divide;"
+  ["é"]=>
+  string(8) "&eacute;"
+  ["ê"]=>
+  string(7) "&ecirc;"
+  ["è"]=>
+  string(8) "&egrave;"
+  ["∅"]=>
+  string(7) "&empty;"
+  [" "]=>
+  string(6) "&emsp;"
+  [" "]=>
+  string(6) "&ensp;"
+  ["ε"]=>
+  string(9) "&epsilon;"
+  ["≡"]=>
+  string(7) "&equiv;"
+  ["η"]=>
+  string(5) "&eta;"
+  ["ð"]=>
+  string(5) "&eth;"
+  ["ë"]=>
+  string(6) "&euml;"
+  ["€"]=>
+  string(6) "&euro;"
+  ["∃"]=>
+  string(7) "&exist;"
+  ["Æ’"]=>
+  string(6) "&fnof;"
+  ["∀"]=>
+  string(8) "&forall;"
+  ["½"]=>
+  string(8) "&frac12;"
+  ["¼"]=>
+  string(8) "&frac14;"
+  ["¾"]=>
+  string(8) "&frac34;"
+  ["�"]=>
+  string(7) "&frasl;"
+  ["γ"]=>
+  string(7) "&gamma;"
+  ["≥"]=>
+  string(4) "&ge;"
+  [">"]=>
+  string(4) "&gt;"
+  ["⇔"]=>
+  string(6) "&hArr;"
+  ["↔"]=>
+  string(6) "&harr;"
+  ["♥"]=>
+  string(8) "&hearts;"
+  ["…"]=>
+  string(8) "&hellip;"
+  ["í"]=>
+  string(8) "&iacute;"
+  ["î"]=>
+  string(7) "&icirc;"
+  ["¡"]=>
+  string(7) "&iexcl;"
+  ["ì"]=>
+  string(8) "&igrave;"
+  ["â„‘"]=>
+  string(7) "&image;"
+  ["∞"]=>
+  string(7) "&infin;"
+  ["∫"]=>
+  string(5) "&int;"
+  ["ι"]=>
+  string(6) "&iota;"
+  ["¿"]=>
+  string(8) "&iquest;"
+  ["∈"]=>
+  string(6) "&isin;"
+  ["ï"]=>
+  string(6) "&iuml;"
+  ["κ"]=>
+  string(7) "&kappa;"
+  ["�"]=>
+  string(6) "&lArr;"
+  ["λ"]=>
+  string(8) "&lambda;"
+  ["〈"]=>
+  string(6) "&lang;"
+  ["«"]=>
+  string(7) "&laquo;"
+  ["�"]=>
+  string(6) "&larr;"
+  ["⌈"]=>
+  string(7) "&lceil;"
+  ["“"]=>
+  string(7) "&ldquo;"
+  ["≤"]=>
+  string(4) "&le;"
+  ["⌊"]=>
+  string(8) "&lfloor;"
+  ["∗"]=>
+  string(8) "&lowast;"
+  ["â—Š"]=>
+  string(5) "&loz;"
+  ["‎"]=>
+  string(5) "&lrm;"
+  ["‹"]=>
+  string(8) "&lsaquo;"
+  ["‘"]=>
+  string(7) "&lsquo;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["¯"]=>
+  string(6) "&macr;"
+  ["—"]=>
+  string(7) "&mdash;"
+  ["µ"]=>
+  string(7) "&micro;"
+  ["·"]=>
+  string(8) "&middot;"
+  ["−"]=>
+  string(7) "&minus;"
+  ["μ"]=>
+  string(4) "&mu;"
+  ["∇"]=>
+  string(7) "&nabla;"
+  [" "]=>
+  string(6) "&nbsp;"
+  ["–"]=>
+  string(7) "&ndash;"
+  ["≠"]=>
+  string(4) "&ne;"
+  ["∋"]=>
+  string(4) "&ni;"
+  ["¬"]=>
+  string(5) "&not;"
+  ["∉"]=>
+  string(7) "&notin;"
+  ["⊄"]=>
+  string(6) "&nsub;"
+  ["ñ"]=>
+  string(8) "&ntilde;"
+  ["ν"]=>
+  string(4) "&nu;"
+  ["ó"]=>
+  string(8) "&oacute;"
+  ["ô"]=>
+  string(7) "&ocirc;"
+  ["Å“"]=>
+  string(7) "&oelig;"
+  ["ò"]=>
+  string(8) "&ograve;"
+  ["‾"]=>
+  string(7) "&oline;"
+  ["ω"]=>
+  string(7) "&omega;"
+  ["ο"]=>
+  string(9) "&omicron;"
+  ["⊕"]=>
+  string(7) "&oplus;"
+  ["∨"]=>
+  string(4) "&or;"
+  ["ª"]=>
+  string(6) "&ordf;"
+  ["º"]=>
+  string(6) "&ordm;"
+  ["ø"]=>
+  string(8) "&oslash;"
+  ["õ"]=>
+  string(8) "&otilde;"
+  ["⊗"]=>
+  string(8) "&otimes;"
+  ["ö"]=>
+  string(6) "&ouml;"
+  ["¶"]=>
+  string(6) "&para;"
+  ["∂"]=>
+  string(6) "&part;"
+  ["‰"]=>
+  string(8) "&permil;"
+  ["⊥"]=>
+  string(6) "&perp;"
+  ["φ"]=>
+  string(5) "&phi;"
+  ["Ï€"]=>
+  string(4) "&pi;"
+  ["Ï–"]=>
+  string(5) "&piv;"
+  ["±"]=>
+  string(8) "&plusmn;"
+  ["£"]=>
+  string(7) "&pound;"
+  ["′"]=>
+  string(7) "&prime;"
+  ["�"]=>
+  string(6) "&prod;"
+  ["�"]=>
+  string(6) "&prop;"
+  ["ψ"]=>
+  string(5) "&psi;"
+  ["""]=>
+  string(6) "&quot;"
+  ["⇒"]=>
+  string(6) "&rArr;"
+  ["√"]=>
+  string(7) "&radic;"
+  ["〉"]=>
+  string(6) "&rang;"
+  ["»"]=>
+  string(7) "&raquo;"
+  ["→"]=>
+  string(6) "&rarr;"
+  ["⌉"]=>
+  string(7) "&rceil;"
+  ["�"]=>
+  string(7) "&rdquo;"
+  ["ℜ"]=>
+  string(6) "&real;"
+  ["®"]=>
+  string(5) "&reg;"
+  ["⌋"]=>
+  string(8) "&rfloor;"
+  ["�"]=>
+  string(5) "&rho;"
+  ["�"]=>
+  string(5) "&rlm;"
+  ["›"]=>
+  string(8) "&rsaquo;"
+  ["’"]=>
+  string(7) "&rsquo;"
+  ["‚"]=>
+  string(7) "&sbquo;"
+  ["Å¡"]=>
+  string(8) "&scaron;"
+  ["â‹…"]=>
+  string(6) "&sdot;"
+  ["§"]=>
+  string(6) "&sect;"
+  ["­"]=>
+  string(5) "&shy;"
+  ["σ"]=>
+  string(7) "&sigma;"
+  ["Ï‚"]=>
+  string(8) "&sigmaf;"
+  ["∼"]=>
+  string(5) "&sim;"
+  ["â™ "]=>
+  string(8) "&spades;"
+  ["⊂"]=>
+  string(5) "&sub;"
+  ["⊆"]=>
+  string(6) "&sube;"
+  ["∑"]=>
+  string(5) "&sum;"
+  ["¹"]=>
+  string(6) "&sup1;"
+  ["²"]=>
+  string(6) "&sup2;"
+  ["³"]=>
+  string(6) "&sup3;"
+  ["⊃"]=>
+  string(5) "&sup;"
+  ["⊇"]=>
+  string(6) "&supe;"
+  ["ß"]=>
+  string(7) "&szlig;"
+  ["Ï„"]=>
+  string(5) "&tau;"
+  ["∴"]=>
+  string(8) "&there4;"
+  ["θ"]=>
+  string(7) "&theta;"
+  ["Ï‘"]=>
+  string(10) "&thetasym;"
+  [" "]=>
+  string(8) "&thinsp;"
+  ["þ"]=>
+  string(7) "&thorn;"
+  ["˜"]=>
+  string(7) "&tilde;"
+  ["×"]=>
+  string(7) "&times;"
+  ["â„¢"]=>
+  string(7) "&trade;"
+  ["⇑"]=>
+  string(6) "&uArr;"
+  ["ú"]=>
+  string(8) "&uacute;"
+  ["↑"]=>
+  string(6) "&uarr;"
+  ["û"]=>
+  string(7) "&ucirc;"
+  ["ù"]=>
+  string(8) "&ugrave;"
+  ["¨"]=>
+  string(5) "&uml;"
+  ["Ï’"]=>
+  string(7) "&upsih;"
+  ["Ï…"]=>
+  string(9) "&upsilon;"
+  ["ü"]=>
+  string(6) "&uuml;"
+  ["℘"]=>
+  string(8) "&weierp;"
+  ["ξ"]=>
+  string(4) "&xi;"
+  ["ý"]=>
+  string(8) "&yacute;"
+  ["Â¥"]=>
+  string(5) "&yen;"
+  ["ÿ"]=>
+  string(6) "&yuml;"
+  ["ζ"]=>
+  string(6) "&zeta;"
+  ["�"]=>
+  string(5) "&zwj;"
+  ["‌"]=>
+  string(6) "&zwnj;"
+}
+-- with table = HTML_ENTITIES & quote_style = ENT_QUOTES --
+array(253) {
+  ["'"]=>
+  string(6) "&#039;"
+  ["Æ"]=>
+  string(7) "&AElig;"
+  ["�"]=>
+  string(8) "&Aacute;"
+  ["Â"]=>
+  string(7) "&Acirc;"
+  ["À"]=>
+  string(8) "&Agrave;"
+  ["Α"]=>
+  string(7) "&Alpha;"
+  ["Ã…"]=>
+  string(7) "&Aring;"
+  ["Ã"]=>
+  string(8) "&Atilde;"
+  ["Ä"]=>
+  string(6) "&Auml;"
+  ["Î’"]=>
+  string(6) "&Beta;"
+  ["Ç"]=>
+  string(8) "&Ccedil;"
+  ["Χ"]=>
+  string(5) "&Chi;"
+  ["‡"]=>
+  string(8) "&Dagger;"
+  ["Δ"]=>
+  string(7) "&Delta;"
+  ["�"]=>
+  string(5) "&ETH;"
+  ["É"]=>
+  string(8) "&Eacute;"
+  ["Ê"]=>
+  string(7) "&Ecirc;"
+  ["È"]=>
+  string(8) "&Egrave;"
+  ["Ε"]=>
+  string(9) "&Epsilon;"
+  ["Η"]=>
+  string(5) "&Eta;"
+  ["Ë"]=>
+  string(6) "&Euml;"
+  ["Γ"]=>
+  string(7) "&Gamma;"
+  ["�"]=>
+  string(8) "&Iacute;"
+  ["ÃŽ"]=>
+  string(7) "&Icirc;"
+  ["Ì"]=>
+  string(8) "&Igrave;"
+  ["Ι"]=>
+  string(6) "&Iota;"
+  ["�"]=>
+  string(6) "&Iuml;"
+  ["Κ"]=>
+  string(7) "&Kappa;"
+  ["Λ"]=>
+  string(8) "&Lambda;"
+  ["Μ"]=>
+  string(4) "&Mu;"
+  ["Ñ"]=>
+  string(8) "&Ntilde;"
+  ["�"]=>
+  string(4) "&Nu;"
+  ["Å’"]=>
+  string(7) "&OElig;"
+  ["Ó"]=>
+  string(8) "&Oacute;"
+  ["Ô"]=>
+  string(7) "&Ocirc;"
+  ["Ã’"]=>
+  string(8) "&Ograve;"
+  ["Ω"]=>
+  string(7) "&Omega;"
+  ["Ο"]=>
+  string(9) "&Omicron;"
+  ["Ø"]=>
+  string(8) "&Oslash;"
+  ["Õ"]=>
+  string(8) "&Otilde;"
+  ["Ö"]=>
+  string(6) "&Ouml;"
+  ["Φ"]=>
+  string(5) "&Phi;"
+  ["Π"]=>
+  string(4) "&Pi;"
+  ["″"]=>
+  string(7) "&Prime;"
+  ["Ψ"]=>
+  string(5) "&Psi;"
+  ["Ρ"]=>
+  string(5) "&Rho;"
+  ["Å "]=>
+  string(8) "&Scaron;"
+  ["Σ"]=>
+  string(7) "&Sigma;"
+  ["Þ"]=>
+  string(7) "&THORN;"
+  ["Τ"]=>
+  string(5) "&Tau;"
+  ["Θ"]=>
+  string(7) "&Theta;"
+  ["Ú"]=>
+  string(8) "&Uacute;"
+  ["Û"]=>
+  string(7) "&Ucirc;"
+  ["Ù"]=>
+  string(8) "&Ugrave;"
+  ["Î¥"]=>
+  string(9) "&Upsilon;"
+  ["Ü"]=>
+  string(6) "&Uuml;"
+  ["Ξ"]=>
+  string(4) "&Xi;"
+  ["�"]=>
+  string(8) "&Yacute;"
+  ["Ÿ"]=>
+  string(6) "&Yuml;"
+  ["Ζ"]=>
+  string(6) "&Zeta;"
+  ["á"]=>
+  string(8) "&aacute;"
+  ["â"]=>
+  string(7) "&acirc;"
+  ["´"]=>
+  string(7) "&acute;"
+  ["æ"]=>
+  string(7) "&aelig;"
+  ["à"]=>
+  string(8) "&agrave;"
+  ["ℵ"]=>
+  string(9) "&alefsym;"
+  ["α"]=>
+  string(7) "&alpha;"
+  ["&"]=>
+  string(5) "&amp;"
+  ["∧"]=>
+  string(5) "&and;"
+  ["∠"]=>
+  string(5) "&ang;"
+  ["Ã¥"]=>
+  string(7) "&aring;"
+  ["≈"]=>
+  string(7) "&asymp;"
+  ["ã"]=>
+  string(8) "&atilde;"
+  ["ä"]=>
+  string(6) "&auml;"
+  ["„"]=>
+  string(7) "&bdquo;"
+  ["β"]=>
+  string(6) "&beta;"
+  ["¦"]=>
+  string(8) "&brvbar;"
+  ["•"]=>
+  string(6) "&bull;"
+  ["∩"]=>
+  string(5) "&cap;"
+  ["ç"]=>
+  string(8) "&ccedil;"
+  ["¸"]=>
+  string(7) "&cedil;"
+  ["¢"]=>
+  string(6) "&cent;"
+  ["χ"]=>
+  string(5) "&chi;"
+  ["ˆ"]=>
+  string(6) "&circ;"
+  ["♣"]=>
+  string(7) "&clubs;"
+  ["≅"]=>
+  string(6) "&cong;"
+  ["©"]=>
+  string(6) "&copy;"
+  ["↵"]=>
+  string(7) "&crarr;"
+  ["∪"]=>
+  string(5) "&cup;"
+  ["¤"]=>
+  string(8) "&curren;"
+  ["⇓"]=>
+  string(6) "&dArr;"
+  ["†"]=>
+  string(8) "&dagger;"
+  ["↓"]=>
+  string(6) "&darr;"
+  ["°"]=>
+  string(5) "&deg;"
+  ["δ"]=>
+  string(7) "&delta;"
+  ["♦"]=>
+  string(7) "&diams;"
+  ["÷"]=>
+  string(8) "&divide;"
+  ["é"]=>
+  string(8) "&eacute;"
+  ["ê"]=>
+  string(7) "&ecirc;"
+  ["è"]=>
+  string(8) "&egrave;"
+  ["∅"]=>
+  string(7) "&empty;"
+  [" "]=>
+  string(6) "&emsp;"
+  [" "]=>
+  string(6) "&ensp;"
+  ["ε"]=>
+  string(9) "&epsilon;"
+  ["≡"]=>
+  string(7) "&equiv;"
+  ["η"]=>
+  string(5) "&eta;"
+  ["ð"]=>
+  string(5) "&eth;"
+  ["ë"]=>
+  string(6) "&euml;"
+  ["€"]=>
+  string(6) "&euro;"
+  ["∃"]=>
+  string(7) "&exist;"
+  ["Æ’"]=>
+  string(6) "&fnof;"
+  ["∀"]=>
+  string(8) "&forall;"
+  ["½"]=>
+  string(8) "&frac12;"
+  ["¼"]=>
+  string(8) "&frac14;"
+  ["¾"]=>
+  string(8) "&frac34;"
+  ["�"]=>
+  string(7) "&frasl;"
+  ["γ"]=>
+  string(7) "&gamma;"
+  ["≥"]=>
+  string(4) "&ge;"
+  [">"]=>
+  string(4) "&gt;"
+  ["⇔"]=>
+  string(6) "&hArr;"
+  ["↔"]=>
+  string(6) "&harr;"
+  ["♥"]=>
+  string(8) "&hearts;"
+  ["…"]=>
+  string(8) "&hellip;"
+  ["í"]=>
+  string(8) "&iacute;"
+  ["î"]=>
+  string(7) "&icirc;"
+  ["¡"]=>
+  string(7) "&iexcl;"
+  ["ì"]=>
+  string(8) "&igrave;"
+  ["â„‘"]=>
+  string(7) "&image;"
+  ["∞"]=>
+  string(7) "&infin;"
+  ["∫"]=>
+  string(5) "&int;"
+  ["ι"]=>
+  string(6) "&iota;"
+  ["¿"]=>
+  string(8) "&iquest;"
+  ["∈"]=>
+  string(6) "&isin;"
+  ["ï"]=>
+  string(6) "&iuml;"
+  ["κ"]=>
+  string(7) "&kappa;"
+  ["�"]=>
+  string(6) "&lArr;"
+  ["λ"]=>
+  string(8) "&lambda;"
+  ["〈"]=>
+  string(6) "&lang;"
+  ["«"]=>
+  string(7) "&laquo;"
+  ["�"]=>
+  string(6) "&larr;"
+  ["⌈"]=>
+  string(7) "&lceil;"
+  ["“"]=>
+  string(7) "&ldquo;"
+  ["≤"]=>
+  string(4) "&le;"
+  ["⌊"]=>
+  string(8) "&lfloor;"
+  ["∗"]=>
+  string(8) "&lowast;"
+  ["â—Š"]=>
+  string(5) "&loz;"
+  ["‎"]=>
+  string(5) "&lrm;"
+  ["‹"]=>
+  string(8) "&lsaquo;"
+  ["‘"]=>
+  string(7) "&lsquo;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["¯"]=>
+  string(6) "&macr;"
+  ["—"]=>
+  string(7) "&mdash;"
+  ["µ"]=>
+  string(7) "&micro;"
+  ["·"]=>
+  string(8) "&middot;"
+  ["−"]=>
+  string(7) "&minus;"
+  ["μ"]=>
+  string(4) "&mu;"
+  ["∇"]=>
+  string(7) "&nabla;"
+  [" "]=>
+  string(6) "&nbsp;"
+  ["–"]=>
+  string(7) "&ndash;"
+  ["≠"]=>
+  string(4) "&ne;"
+  ["∋"]=>
+  string(4) "&ni;"
+  ["¬"]=>
+  string(5) "&not;"
+  ["∉"]=>
+  string(7) "&notin;"
+  ["⊄"]=>
+  string(6) "&nsub;"
+  ["ñ"]=>
+  string(8) "&ntilde;"
+  ["ν"]=>
+  string(4) "&nu;"
+  ["ó"]=>
+  string(8) "&oacute;"
+  ["ô"]=>
+  string(7) "&ocirc;"
+  ["Å“"]=>
+  string(7) "&oelig;"
+  ["ò"]=>
+  string(8) "&ograve;"
+  ["‾"]=>
+  string(7) "&oline;"
+  ["ω"]=>
+  string(7) "&omega;"
+  ["ο"]=>
+  string(9) "&omicron;"
+  ["⊕"]=>
+  string(7) "&oplus;"
+  ["∨"]=>
+  string(4) "&or;"
+  ["ª"]=>
+  string(6) "&ordf;"
+  ["º"]=>
+  string(6) "&ordm;"
+  ["ø"]=>
+  string(8) "&oslash;"
+  ["õ"]=>
+  string(8) "&otilde;"
+  ["⊗"]=>
+  string(8) "&otimes;"
+  ["ö"]=>
+  string(6) "&ouml;"
+  ["¶"]=>
+  string(6) "&para;"
+  ["∂"]=>
+  string(6) "&part;"
+  ["‰"]=>
+  string(8) "&permil;"
+  ["⊥"]=>
+  string(6) "&perp;"
+  ["φ"]=>
+  string(5) "&phi;"
+  ["Ï€"]=>
+  string(4) "&pi;"
+  ["Ï–"]=>
+  string(5) "&piv;"
+  ["±"]=>
+  string(8) "&plusmn;"
+  ["£"]=>
+  string(7) "&pound;"
+  ["′"]=>
+  string(7) "&prime;"
+  ["�"]=>
+  string(6) "&prod;"
+  ["�"]=>
+  string(6) "&prop;"
+  ["ψ"]=>
+  string(5) "&psi;"
+  ["""]=>
+  string(6) "&quot;"
+  ["⇒"]=>
+  string(6) "&rArr;"
+  ["√"]=>
+  string(7) "&radic;"
+  ["〉"]=>
+  string(6) "&rang;"
+  ["»"]=>
+  string(7) "&raquo;"
+  ["→"]=>
+  string(6) "&rarr;"
+  ["⌉"]=>
+  string(7) "&rceil;"
+  ["�"]=>
+  string(7) "&rdquo;"
+  ["ℜ"]=>
+  string(6) "&real;"
+  ["®"]=>
+  string(5) "&reg;"
+  ["⌋"]=>
+  string(8) "&rfloor;"
+  ["�"]=>
+  string(5) "&rho;"
+  ["�"]=>
+  string(5) "&rlm;"
+  ["›"]=>
+  string(8) "&rsaquo;"
+  ["’"]=>
+  string(7) "&rsquo;"
+  ["‚"]=>
+  string(7) "&sbquo;"
+  ["Å¡"]=>
+  string(8) "&scaron;"
+  ["â‹…"]=>
+  string(6) "&sdot;"
+  ["§"]=>
+  string(6) "&sect;"
+  ["­"]=>
+  string(5) "&shy;"
+  ["σ"]=>
+  string(7) "&sigma;"
+  ["Ï‚"]=>
+  string(8) "&sigmaf;"
+  ["∼"]=>
+  string(5) "&sim;"
+  ["â™ "]=>
+  string(8) "&spades;"
+  ["⊂"]=>
+  string(5) "&sub;"
+  ["⊆"]=>
+  string(6) "&sube;"
+  ["∑"]=>
+  string(5) "&sum;"
+  ["¹"]=>
+  string(6) "&sup1;"
+  ["²"]=>
+  string(6) "&sup2;"
+  ["³"]=>
+  string(6) "&sup3;"
+  ["⊃"]=>
+  string(5) "&sup;"
+  ["⊇"]=>
+  string(6) "&supe;"
+  ["ß"]=>
+  string(7) "&szlig;"
+  ["Ï„"]=>
+  string(5) "&tau;"
+  ["∴"]=>
+  string(8) "&there4;"
+  ["θ"]=>
+  string(7) "&theta;"
+  ["Ï‘"]=>
+  string(10) "&thetasym;"
+  [" "]=>
+  string(8) "&thinsp;"
+  ["þ"]=>
+  string(7) "&thorn;"
+  ["˜"]=>
+  string(7) "&tilde;"
+  ["×"]=>
+  string(7) "&times;"
+  ["â„¢"]=>
+  string(7) "&trade;"
+  ["⇑"]=>
+  string(6) "&uArr;"
+  ["ú"]=>
+  string(8) "&uacute;"
+  ["↑"]=>
+  string(6) "&uarr;"
+  ["û"]=>
+  string(7) "&ucirc;"
+  ["ù"]=>
+  string(8) "&ugrave;"
+  ["¨"]=>
+  string(5) "&uml;"
+  ["Ï’"]=>
+  string(7) "&upsih;"
+  ["Ï…"]=>
+  string(9) "&upsilon;"
+  ["ü"]=>
+  string(6) "&uuml;"
+  ["℘"]=>
+  string(8) "&weierp;"
+  ["ξ"]=>
+  string(4) "&xi;"
+  ["ý"]=>
+  string(8) "&yacute;"
+  ["Â¥"]=>
+  string(5) "&yen;"
+  ["ÿ"]=>
+  string(6) "&yuml;"
+  ["ζ"]=>
+  string(6) "&zeta;"
+  ["�"]=>
+  string(5) "&zwj;"
+  ["‌"]=>
+  string(6) "&zwnj;"
+}
+-- with table = HTML_ENTITIES & quote_style = ENT_NOQUOTES --
+array(251) {
+  ["Æ"]=>
+  string(7) "&AElig;"
+  ["�"]=>
+  string(8) "&Aacute;"
+  ["Â"]=>
+  string(7) "&Acirc;"
+  ["À"]=>
+  string(8) "&Agrave;"
+  ["Α"]=>
+  string(7) "&Alpha;"
+  ["Ã…"]=>
+  string(7) "&Aring;"
+  ["Ã"]=>
+  string(8) "&Atilde;"
+  ["Ä"]=>
+  string(6) "&Auml;"
+  ["Î’"]=>
+  string(6) "&Beta;"
+  ["Ç"]=>
+  string(8) "&Ccedil;"
+  ["Χ"]=>
+  string(5) "&Chi;"
+  ["‡"]=>
+  string(8) "&Dagger;"
+  ["Δ"]=>
+  string(7) "&Delta;"
+  ["�"]=>
+  string(5) "&ETH;"
+  ["É"]=>
+  string(8) "&Eacute;"
+  ["Ê"]=>
+  string(7) "&Ecirc;"
+  ["È"]=>
+  string(8) "&Egrave;"
+  ["Ε"]=>
+  string(9) "&Epsilon;"
+  ["Η"]=>
+  string(5) "&Eta;"
+  ["Ë"]=>
+  string(6) "&Euml;"
+  ["Γ"]=>
+  string(7) "&Gamma;"
+  ["�"]=>
+  string(8) "&Iacute;"
+  ["ÃŽ"]=>
+  string(7) "&Icirc;"
+  ["Ì"]=>
+  string(8) "&Igrave;"
+  ["Ι"]=>
+  string(6) "&Iota;"
+  ["�"]=>
+  string(6) "&Iuml;"
+  ["Κ"]=>
+  string(7) "&Kappa;"
+  ["Λ"]=>
+  string(8) "&Lambda;"
+  ["Μ"]=>
+  string(4) "&Mu;"
+  ["Ñ"]=>
+  string(8) "&Ntilde;"
+  ["�"]=>
+  string(4) "&Nu;"
+  ["Å’"]=>
+  string(7) "&OElig;"
+  ["Ó"]=>
+  string(8) "&Oacute;"
+  ["Ô"]=>
+  string(7) "&Ocirc;"
+  ["Ã’"]=>
+  string(8) "&Ograve;"
+  ["Ω"]=>
+  string(7) "&Omega;"
+  ["Ο"]=>
+  string(9) "&Omicron;"
+  ["Ø"]=>
+  string(8) "&Oslash;"
+  ["Õ"]=>
+  string(8) "&Otilde;"
+  ["Ö"]=>
+  string(6) "&Ouml;"
+  ["Φ"]=>
+  string(5) "&Phi;"
+  ["Π"]=>
+  string(4) "&Pi;"
+  ["″"]=>
+  string(7) "&Prime;"
+  ["Ψ"]=>
+  string(5) "&Psi;"
+  ["Ρ"]=>
+  string(5) "&Rho;"
+  ["Å "]=>
+  string(8) "&Scaron;"
+  ["Σ"]=>
+  string(7) "&Sigma;"
+  ["Þ"]=>
+  string(7) "&THORN;"
+  ["Τ"]=>
+  string(5) "&Tau;"
+  ["Θ"]=>
+  string(7) "&Theta;"
+  ["Ú"]=>
+  string(8) "&Uacute;"
+  ["Û"]=>
+  string(7) "&Ucirc;"
+  ["Ù"]=>
+  string(8) "&Ugrave;"
+  ["Î¥"]=>
+  string(9) "&Upsilon;"
+  ["Ü"]=>
+  string(6) "&Uuml;"
+  ["Ξ"]=>
+  string(4) "&Xi;"
+  ["�"]=>
+  string(8) "&Yacute;"
+  ["Ÿ"]=>
+  string(6) "&Yuml;"
+  ["Ζ"]=>
+  string(6) "&Zeta;"
+  ["á"]=>
+  string(8) "&aacute;"
+  ["â"]=>
+  string(7) "&acirc;"
+  ["´"]=>
+  string(7) "&acute;"
+  ["æ"]=>
+  string(7) "&aelig;"
+  ["à"]=>
+  string(8) "&agrave;"
+  ["ℵ"]=>
+  string(9) "&alefsym;"
+  ["α"]=>
+  string(7) "&alpha;"
+  ["&"]=>
+  string(5) "&amp;"
+  ["∧"]=>
+  string(5) "&and;"
+  ["∠"]=>
+  string(5) "&ang;"
+  ["Ã¥"]=>
+  string(7) "&aring;"
+  ["≈"]=>
+  string(7) "&asymp;"
+  ["ã"]=>
+  string(8) "&atilde;"
+  ["ä"]=>
+  string(6) "&auml;"
+  ["„"]=>
+  string(7) "&bdquo;"
+  ["β"]=>
+  string(6) "&beta;"
+  ["¦"]=>
+  string(8) "&brvbar;"
+  ["•"]=>
+  string(6) "&bull;"
+  ["∩"]=>
+  string(5) "&cap;"
+  ["ç"]=>
+  string(8) "&ccedil;"
+  ["¸"]=>
+  string(7) "&cedil;"
+  ["¢"]=>
+  string(6) "&cent;"
+  ["χ"]=>
+  string(5) "&chi;"
+  ["ˆ"]=>
+  string(6) "&circ;"
+  ["♣"]=>
+  string(7) "&clubs;"
+  ["≅"]=>
+  string(6) "&cong;"
+  ["©"]=>
+  string(6) "&copy;"
+  ["↵"]=>
+  string(7) "&crarr;"
+  ["∪"]=>
+  string(5) "&cup;"
+  ["¤"]=>
+  string(8) "&curren;"
+  ["⇓"]=>
+  string(6) "&dArr;"
+  ["†"]=>
+  string(8) "&dagger;"
+  ["↓"]=>
+  string(6) "&darr;"
+  ["°"]=>
+  string(5) "&deg;"
+  ["δ"]=>
+  string(7) "&delta;"
+  ["♦"]=>
+  string(7) "&diams;"
+  ["÷"]=>
+  string(8) "&divide;"
+  ["é"]=>
+  string(8) "&eacute;"
+  ["ê"]=>
+  string(7) "&ecirc;"
+  ["è"]=>
+  string(8) "&egrave;"
+  ["∅"]=>
+  string(7) "&empty;"
+  [" "]=>
+  string(6) "&emsp;"
+  [" "]=>
+  string(6) "&ensp;"
+  ["ε"]=>
+  string(9) "&epsilon;"
+  ["≡"]=>
+  string(7) "&equiv;"
+  ["η"]=>
+  string(5) "&eta;"
+  ["ð"]=>
+  string(5) "&eth;"
+  ["ë"]=>
+  string(6) "&euml;"
+  ["€"]=>
+  string(6) "&euro;"
+  ["∃"]=>
+  string(7) "&exist;"
+  ["Æ’"]=>
+  string(6) "&fnof;"
+  ["∀"]=>
+  string(8) "&forall;"
+  ["½"]=>
+  string(8) "&frac12;"
+  ["¼"]=>
+  string(8) "&frac14;"
+  ["¾"]=>
+  string(8) "&frac34;"
+  ["�"]=>
+  string(7) "&frasl;"
+  ["γ"]=>
+  string(7) "&gamma;"
+  ["≥"]=>
+  string(4) "&ge;"
+  [">"]=>
+  string(4) "&gt;"
+  ["⇔"]=>
+  string(6) "&hArr;"
+  ["↔"]=>
+  string(6) "&harr;"
+  ["♥"]=>
+  string(8) "&hearts;"
+  ["…"]=>
+  string(8) "&hellip;"
+  ["í"]=>
+  string(8) "&iacute;"
+  ["î"]=>
+  string(7) "&icirc;"
+  ["¡"]=>
+  string(7) "&iexcl;"
+  ["ì"]=>
+  string(8) "&igrave;"
+  ["â„‘"]=>
+  string(7) "&image;"
+  ["∞"]=>
+  string(7) "&infin;"
+  ["∫"]=>
+  string(5) "&int;"
+  ["ι"]=>
+  string(6) "&iota;"
+  ["¿"]=>
+  string(8) "&iquest;"
+  ["∈"]=>
+  string(6) "&isin;"
+  ["ï"]=>
+  string(6) "&iuml;"
+  ["κ"]=>
+  string(7) "&kappa;"
+  ["�"]=>
+  string(6) "&lArr;"
+  ["λ"]=>
+  string(8) "&lambda;"
+  ["〈"]=>
+  string(6) "&lang;"
+  ["«"]=>
+  string(7) "&laquo;"
+  ["�"]=>
+  string(6) "&larr;"
+  ["⌈"]=>
+  string(7) "&lceil;"
+  ["“"]=>
+  string(7) "&ldquo;"
+  ["≤"]=>
+  string(4) "&le;"
+  ["⌊"]=>
+  string(8) "&lfloor;"
+  ["∗"]=>
+  string(8) "&lowast;"
+  ["â—Š"]=>
+  string(5) "&loz;"
+  ["‎"]=>
+  string(5) "&lrm;"
+  ["‹"]=>
+  string(8) "&lsaquo;"
+  ["‘"]=>
+  string(7) "&lsquo;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["¯"]=>
+  string(6) "&macr;"
+  ["—"]=>
+  string(7) "&mdash;"
+  ["µ"]=>
+  string(7) "&micro;"
+  ["·"]=>
+  string(8) "&middot;"
+  ["−"]=>
+  string(7) "&minus;"
+  ["μ"]=>
+  string(4) "&mu;"
+  ["∇"]=>
+  string(7) "&nabla;"
+  [" "]=>
+  string(6) "&nbsp;"
+  ["–"]=>
+  string(7) "&ndash;"
+  ["≠"]=>
+  string(4) "&ne;"
+  ["∋"]=>
+  string(4) "&ni;"
+  ["¬"]=>
+  string(5) "&not;"
+  ["∉"]=>
+  string(7) "&notin;"
+  ["⊄"]=>
+  string(6) "&nsub;"
+  ["ñ"]=>
+  string(8) "&ntilde;"
+  ["ν"]=>
+  string(4) "&nu;"
+  ["ó"]=>
+  string(8) "&oacute;"
+  ["ô"]=>
+  string(7) "&ocirc;"
+  ["Å“"]=>
+  string(7) "&oelig;"
+  ["ò"]=>
+  string(8) "&ograve;"
+  ["‾"]=>
+  string(7) "&oline;"
+  ["ω"]=>
+  string(7) "&omega;"
+  ["ο"]=>
+  string(9) "&omicron;"
+  ["⊕"]=>
+  string(7) "&oplus;"
+  ["∨"]=>
+  string(4) "&or;"
+  ["ª"]=>
+  string(6) "&ordf;"
+  ["º"]=>
+  string(6) "&ordm;"
+  ["ø"]=>
+  string(8) "&oslash;"
+  ["õ"]=>
+  string(8) "&otilde;"
+  ["⊗"]=>
+  string(8) "&otimes;"
+  ["ö"]=>
+  string(6) "&ouml;"
+  ["¶"]=>
+  string(6) "&para;"
+  ["∂"]=>
+  string(6) "&part;"
+  ["‰"]=>
+  string(8) "&permil;"
+  ["⊥"]=>
+  string(6) "&perp;"
+  ["φ"]=>
+  string(5) "&phi;"
+  ["Ï€"]=>
+  string(4) "&pi;"
+  ["Ï–"]=>
+  string(5) "&piv;"
+  ["±"]=>
+  string(8) "&plusmn;"
+  ["£"]=>
+  string(7) "&pound;"
+  ["′"]=>
+  string(7) "&prime;"
+  ["�"]=>
+  string(6) "&prod;"
+  ["�"]=>
+  string(6) "&prop;"
+  ["ψ"]=>
+  string(5) "&psi;"
+  ["⇒"]=>
+  string(6) "&rArr;"
+  ["√"]=>
+  string(7) "&radic;"
+  ["〉"]=>
+  string(6) "&rang;"
+  ["»"]=>
+  string(7) "&raquo;"
+  ["→"]=>
+  string(6) "&rarr;"
+  ["⌉"]=>
+  string(7) "&rceil;"
+  ["�"]=>
+  string(7) "&rdquo;"
+  ["ℜ"]=>
+  string(6) "&real;"
+  ["®"]=>
+  string(5) "&reg;"
+  ["⌋"]=>
+  string(8) "&rfloor;"
+  ["�"]=>
+  string(5) "&rho;"
+  ["�"]=>
+  string(5) "&rlm;"
+  ["›"]=>
+  string(8) "&rsaquo;"
+  ["’"]=>
+  string(7) "&rsquo;"
+  ["‚"]=>
+  string(7) "&sbquo;"
+  ["Å¡"]=>
+  string(8) "&scaron;"
+  ["â‹…"]=>
+  string(6) "&sdot;"
+  ["§"]=>
+  string(6) "&sect;"
+  ["­"]=>
+  string(5) "&shy;"
+  ["σ"]=>
+  string(7) "&sigma;"
+  ["Ï‚"]=>
+  string(8) "&sigmaf;"
+  ["∼"]=>
+  string(5) "&sim;"
+  ["â™ "]=>
+  string(8) "&spades;"
+  ["⊂"]=>
+  string(5) "&sub;"
+  ["⊆"]=>
+  string(6) "&sube;"
+  ["∑"]=>
+  string(5) "&sum;"
+  ["¹"]=>
+  string(6) "&sup1;"
+  ["²"]=>
+  string(6) "&sup2;"
+  ["³"]=>
+  string(6) "&sup3;"
+  ["⊃"]=>
+  string(5) "&sup;"
+  ["⊇"]=>
+  string(6) "&supe;"
+  ["ß"]=>
+  string(7) "&szlig;"
+  ["Ï„"]=>
+  string(5) "&tau;"
+  ["∴"]=>
+  string(8) "&there4;"
+  ["θ"]=>
+  string(7) "&theta;"
+  ["Ï‘"]=>
+  string(10) "&thetasym;"
+  [" "]=>
+  string(8) "&thinsp;"
+  ["þ"]=>
+  string(7) "&thorn;"
+  ["˜"]=>
+  string(7) "&tilde;"
+  ["×"]=>
+  string(7) "&times;"
+  ["â„¢"]=>
+  string(7) "&trade;"
+  ["⇑"]=>
+  string(6) "&uArr;"
+  ["ú"]=>
+  string(8) "&uacute;"
+  ["↑"]=>
+  string(6) "&uarr;"
+  ["û"]=>
+  string(7) "&ucirc;"
+  ["ù"]=>
+  string(8) "&ugrave;"
+  ["¨"]=>
+  string(5) "&uml;"
+  ["Ï’"]=>
+  string(7) "&upsih;"
+  ["Ï…"]=>
+  string(9) "&upsilon;"
+  ["ü"]=>
+  string(6) "&uuml;"
+  ["℘"]=>
+  string(8) "&weierp;"
+  ["ξ"]=>
+  string(4) "&xi;"
+  ["ý"]=>
+  string(8) "&yacute;"
+  ["Â¥"]=>
+  string(5) "&yen;"
+  ["ÿ"]=>
+  string(6) "&yuml;"
+  ["ζ"]=>
+  string(6) "&zeta;"
+  ["�"]=>
+  string(5) "&zwj;"
+  ["‌"]=>
+  string(6) "&zwnj;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic3.phpt b/tests/std/strings/get_html_translation_table_basic3.phpt
new file mode 100644
index 00000000..0927bd44
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic3.phpt
@@ -0,0 +1,66 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - table as HTML_SPECIALCHARS
+--FILE--
+<?php
+/* test get_html_translation_table() when $table argument is specified as HTML_SPECIALCHARS */
+
+echo "*** Testing get_html_translation_table() : basic functionality ***\n";
+
+// $table as HTML_SEPCIALCHARS and different quote style
+echo "-- with table = HTML_SPECIALCHARS & quote_style = ENT_COMPAT --\n";
+$table = HTML_SPECIALCHARS;
+$quote_style = ENT_COMPAT;
+$tt = get_html_translation_table($table, $quote_style, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS & quote_style = ENT_QUOTES --\n";
+$quote_style = ENT_QUOTES;
+$tt = get_html_translation_table($table, $quote_style, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS & quote_style = ENT_NOQUOTES --\n";
+$quote_style = ENT_NOQUOTES;
+$tt = get_html_translation_table($table, $quote_style, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality ***
+-- with table = HTML_SPECIALCHARS & quote_style = ENT_COMPAT --
+array(4) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+-- with table = HTML_SPECIALCHARS & quote_style = ENT_QUOTES --
+array(5) {
+  ["'"]=>
+  string(6) "&#039;"
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+-- with table = HTML_SPECIALCHARS & quote_style = ENT_NOQUOTES --
+array(3) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic4.phpt b/tests/std/strings/get_html_translation_table_basic4.phpt
new file mode 100644
index 00000000..136c9df6
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic4.phpt
@@ -0,0 +1,287 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - charset WINDOWS-1252
+--FILE--
+<?php
+echo "*** Testing get_html_translation_table() : basic functionality/Windows-1252 ***\n";
+
+echo "-- with table = HTML_ENTITIES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT, "WINDOWS-1252");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "WINDOWS-1252");
+asort( $tt );
+var_dump( $tt );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality/Windows-1252 ***
+-- with table = HTML_ENTITIES --
+array(125) {
+  ["Æ"]=>
+  string(7) "&AElig;"
+  ["Á"]=>
+  string(8) "&Aacute;"
+  ["Â"]=>
+  string(7) "&Acirc;"
+  ["À"]=>
+  string(8) "&Agrave;"
+  ["Å"]=>
+  string(7) "&Aring;"
+  ["Ã"]=>
+  string(8) "&Atilde;"
+  ["Ä"]=>
+  string(6) "&Auml;"
+  ["Ç"]=>
+  string(8) "&Ccedil;"
+  ["‡"]=>
+  string(8) "&Dagger;"
+  ["Ð"]=>
+  string(5) "&ETH;"
+  ["É"]=>
+  string(8) "&Eacute;"
+  ["Ê"]=>
+  string(7) "&Ecirc;"
+  ["È"]=>
+  string(8) "&Egrave;"
+  ["Ë"]=>
+  string(6) "&Euml;"
+  ["Í"]=>
+  string(8) "&Iacute;"
+  ["Î"]=>
+  string(7) "&Icirc;"
+  ["Ì"]=>
+  string(8) "&Igrave;"
+  ["Ï"]=>
+  string(6) "&Iuml;"
+  ["Ñ"]=>
+  string(8) "&Ntilde;"
+  ["Œ"]=>
+  string(7) "&OElig;"
+  ["Ó"]=>
+  string(8) "&Oacute;"
+  ["Ô"]=>
+  string(7) "&Ocirc;"
+  ["Ò"]=>
+  string(8) "&Ograve;"
+  ["Ø"]=>
+  string(8) "&Oslash;"
+  ["Õ"]=>
+  string(8) "&Otilde;"
+  ["Ö"]=>
+  string(6) "&Ouml;"
+  ["Š"]=>
+  string(8) "&Scaron;"
+  ["Þ"]=>
+  string(7) "&THORN;"
+  ["Ú"]=>
+  string(8) "&Uacute;"
+  ["Û"]=>
+  string(7) "&Ucirc;"
+  ["Ù"]=>
+  string(8) "&Ugrave;"
+  ["Ü"]=>
+  string(6) "&Uuml;"
+  ["Ý"]=>
+  string(8) "&Yacute;"
+  ["Ÿ"]=>
+  string(6) "&Yuml;"
+  ["á"]=>
+  string(8) "&aacute;"
+  ["â"]=>
+  string(7) "&acirc;"
+  ["´"]=>
+  string(7) "&acute;"
+  ["æ"]=>
+  string(7) "&aelig;"
+  ["à"]=>
+  string(8) "&agrave;"
+  ["&"]=>
+  string(5) "&amp;"
+  ["å"]=>
+  string(7) "&aring;"
+  ["ã"]=>
+  string(8) "&atilde;"
+  ["ä"]=>
+  string(6) "&auml;"
+  ["„"]=>
+  string(7) "&bdquo;"
+  ["¦"]=>
+  string(8) "&brvbar;"
+  ["•"]=>
+  string(6) "&bull;"
+  ["ç"]=>
+  string(8) "&ccedil;"
+  ["¸"]=>
+  string(7) "&cedil;"
+  ["¢"]=>
+  string(6) "&cent;"
+  ["ˆ"]=>
+  string(6) "&circ;"
+  ["©"]=>
+  string(6) "&copy;"
+  ["¤"]=>
+  string(8) "&curren;"
+  ["†"]=>
+  string(8) "&dagger;"
+  ["°"]=>
+  string(5) "&deg;"
+  ["÷"]=>
+  string(8) "&divide;"
+  ["é"]=>
+  string(8) "&eacute;"
+  ["ê"]=>
+  string(7) "&ecirc;"
+  ["è"]=>
+  string(8) "&egrave;"
+  ["ð"]=>
+  string(5) "&eth;"
+  ["ë"]=>
+  string(6) "&euml;"
+  ["€"]=>
+  string(6) "&euro;"
+  ["ƒ"]=>
+  string(6) "&fnof;"
+  ["½"]=>
+  string(8) "&frac12;"
+  ["¼"]=>
+  string(8) "&frac14;"
+  ["¾"]=>
+  string(8) "&frac34;"
+  [">"]=>
+  string(4) "&gt;"
+  ["…"]=>
+  string(8) "&hellip;"
+  ["í"]=>
+  string(8) "&iacute;"
+  ["î"]=>
+  string(7) "&icirc;"
+  ["¡"]=>
+  string(7) "&iexcl;"
+  ["ì"]=>
+  string(8) "&igrave;"
+  ["¿"]=>
+  string(8) "&iquest;"
+  ["ï"]=>
+  string(6) "&iuml;"
+  ["«"]=>
+  string(7) "&laquo;"
+  ["“"]=>
+  string(7) "&ldquo;"
+  ["‹"]=>
+  string(8) "&lsaquo;"
+  ["‘"]=>
+  string(7) "&lsquo;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["¯"]=>
+  string(6) "&macr;"
+  ["—"]=>
+  string(7) "&mdash;"
+  ["µ"]=>
+  string(7) "&micro;"
+  ["·"]=>
+  string(8) "&middot;"
+  [" "]=>
+  string(6) "&nbsp;"
+  ["–"]=>
+  string(7) "&ndash;"
+  ["¬"]=>
+  string(5) "&not;"
+  ["ñ"]=>
+  string(8) "&ntilde;"
+  ["ó"]=>
+  string(8) "&oacute;"
+  ["ô"]=>
+  string(7) "&ocirc;"
+  ["œ"]=>
+  string(7) "&oelig;"
+  ["ò"]=>
+  string(8) "&ograve;"
+  ["ª"]=>
+  string(6) "&ordf;"
+  ["º"]=>
+  string(6) "&ordm;"
+  ["ø"]=>
+  string(8) "&oslash;"
+  ["õ"]=>
+  string(8) "&otilde;"
+  ["ö"]=>
+  string(6) "&ouml;"
+  ["¶"]=>
+  string(6) "&para;"
+  ["‰"]=>
+  string(8) "&permil;"
+  ["±"]=>
+  string(8) "&plusmn;"
+  ["£"]=>
+  string(7) "&pound;"
+  ["""]=>
+  string(6) "&quot;"
+  ["»"]=>
+  string(7) "&raquo;"
+  ["”"]=>
+  string(7) "&rdquo;"
+  ["®"]=>
+  string(5) "&reg;"
+  ["›"]=>
+  string(8) "&rsaquo;"
+  ["’"]=>
+  string(7) "&rsquo;"
+  ["‚"]=>
+  string(7) "&sbquo;"
+  ["š"]=>
+  string(8) "&scaron;"
+  ["§"]=>
+  string(6) "&sect;"
+  ["­"]=>
+  string(5) "&shy;"
+  ["¹"]=>
+  string(6) "&sup1;"
+  ["²"]=>
+  string(6) "&sup2;"
+  ["³"]=>
+  string(6) "&sup3;"
+  ["ß"]=>
+  string(7) "&szlig;"
+  ["þ"]=>
+  string(7) "&thorn;"
+  ["˜"]=>
+  string(7) "&tilde;"
+  ["×"]=>
+  string(7) "&times;"
+  ["™"]=>
+  string(7) "&trade;"
+  ["ú"]=>
+  string(8) "&uacute;"
+  ["û"]=>
+  string(7) "&ucirc;"
+  ["ù"]=>
+  string(8) "&ugrave;"
+  ["¨"]=>
+  string(5) "&uml;"
+  ["ü"]=>
+  string(6) "&uuml;"
+  ["ý"]=>
+  string(8) "&yacute;"
+  ["¥"]=>
+  string(5) "&yen;"
+  ["ÿ"]=>
+  string(6) "&yuml;"
+}
+-- with table = HTML_SPECIALCHARS --
+array(4) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic5.phpt b/tests/std/strings/get_html_translation_table_basic5.phpt
new file mode 100644
index 00000000..86f19f3a
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic5.phpt
@@ -0,0 +1,1599 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - HTML 5
+--FILE--
+<?php
+echo "*** Testing get_html_translation_table() : basic functionality/HTML 5 ***\n";
+
+echo "-- with table = HTML_ENTITIES, ENT_COMPAT --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT | ENT_HTML5, "UTF-8");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_ENTITIES, ENT_QUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_HTML5, "UTF-8");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_ENTITIES, ENT_NOQUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_HTML5, "UTF-8");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_COMPAT --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "UTF-8");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_QUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_HTML5, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_HTML5, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality/HTML 5 ***
+-- with table = HTML_ENTITIES, ENT_COMPAT --
+int(1510)
+Array
+(
+    [Æ] => &AElig;
+    [�] => &Aacute;
+    [Ä‚] => &Abreve;
+    [Â] => &Acirc;
+    [�] => &Acy;
+    [�] => &Afr;
+    [À] => &Agrave;
+    [Α] => &Alpha;
+    [Ä€] => &Amacr;
+    [â©“] => &And;
+    [Ä„] => &Aogon;
+    [�] => &Aopf;
+    [Ã…] => &Aring;
+    [�] => &Ascr;
+    [Ã] => &Atilde;
+    [Ä] => &Auml;
+    [⫧] => &Barv;
+    [Б] => &Bcy;
+    [∵] => &Because;
+    [Î’] => &Beta;
+    [�] => &Bfr;
+    [�] => &Bopf;
+    [˘] => &Breve;
+    [ℬ] => &Bscr;
+    [Ч] => &CHcy;
+    [Ć] => &Cacute;
+    [â‹’] => &Cap;
+    [â……] => &CapitalDifferentialD;
+    [Č] => &Ccaron;
+    [Ç] => &Ccedil;
+    [Ĉ] => &Ccirc;
+    [∰] => &Cconint;
+    [ÄŠ] => &Cdot;
+    [¸] => &Cedilla;
+    [·] => &CenterDot;
+    [â„­] => &Cfr;
+    [Χ] => &Chi;
+    [⊙] => &CircleDot;
+    [⊕] => &CirclePlus;
+    [⊗] => &CircleTimes;
+    [∷] => &Colon;
+    [â©´] => &Colone;
+    [≡] => &Congruent;
+    [∮] => &ContourIntegral;
+    [�] => &Coproduct;
+    [⨯] => &Cross;
+    [�] => &Cscr;
+    [â‹“] => &Cup;
+    [�] => &CupCap;
+    [⤑] => &DDotrahd;
+    [Ђ] => &DJcy;
+    [Ð…] => &DScy;
+    [�] => &DZcy;
+    [‡] => &Dagger;
+    [↡] => &Darr;
+    [⫤] => &Dashv;
+    [ÄŽ] => &Dcaron;
+    [Д] => &Dcy;
+    [Δ] => &Delta;
+    [�] => &Dfr;
+    [´] => &DiacriticalAcute;
+    [�] => &DiacriticalDoubleAcute;
+    [˜] => &DiacriticalTilde;
+    [â…†] => &DifferentialD;
+    [�] => &Dopf;
+    [⃜] => &DotDot;
+    [∯] => &DoubleContourIntegral;
+    [¨] => &DoubleDot;
+    [�] => &DoubleLeftArrow;
+    [⟹] => &DoubleLongRightArrow;
+    [⊨] => &DoubleRightTee;
+    [⇑] => &DoubleUpArrow;
+    [⤓] => &DownArrowBar;
+    [⇵] => &DownArrowUpArrow;
+    [Ì‘] => &DownBreve;
+    [�] => &DownLeftRightVector;
+    [⥞] => &DownLeftTeeVector;
+    [⥖] => &DownLeftVectorBar;
+    [⥟] => &DownRightTeeVector;
+    [⥗] => &DownRightVectorBar;
+    [⊤] => &DownTee;
+    [↧] => &DownTeeArrow;
+    [⇓] => &Downarrow;
+    [�] => &Dscr;
+    [�] => &Dstrok;
+    [ÅŠ] => &ENG;
+    [�] => &ETH;
+    [É] => &Eacute;
+    [Äš] => &Ecaron;
+    [Ê] => &Ecirc;
+    [Э] => &Ecy;
+    [Ä–] => &Edot;
+    [�] => &Efr;
+    [È] => &Egrave;
+    [Ä’] => &Emacr;
+    [â—»] => &EmptySmallSquare;
+    [â–«] => &EmptyVerySmallSquare;
+    [Ę] => &Eogon;
+    [�] => &Eopf;
+    [Ε] => &Epsilon;
+    [⩵] => &Equal;
+    [⩳] => &Esim;
+    [Η] => &Eta;
+    [Ë] => &Euml;
+    [∃] => &Exists;
+    [Ф] => &Fcy;
+    [�] => &Ffr;
+    [â—¼] => &FilledSmallSquare;
+    [�] => &Fopf;
+    [ℱ] => &Fouriertrf;
+    [Ѓ] => &GJcy;
+    [Γ] => &Gamma;
+    [Ϝ] => &Gammad;
+    [Äž] => &Gbreve;
+    [Ä¢] => &Gcedil;
+    [Ĝ] => &Gcirc;
+    [Г] => &Gcy;
+    [Ä ] => &Gdot;
+    [�] => &Gfr;
+    [â‹™] => &Gg;
+    [�] => &Gopf;
+    [⪢] => &GreaterGreater;
+    [≳] => &GreaterTilde;
+    [�] => &Gscr;
+    [Ъ] => &HARDcy;
+    [ˇ] => &Hacek;
+    [^] => &Hat;
+    [Ĥ] => &Hcirc;
+    [ℌ] => &Hfr;
+    [â„‹] => &HilbertSpace;
+    [�] => &Hopf;
+    [─] => &HorizontalLine;
+    [Ħ] => &Hstrok;
+    [�] => &HumpEqual;
+    [Е] => &IEcy;
+    [IJ] => &IJlig;
+    [�] => &IOcy;
+    [�] => &Iacute;
+    [ÃŽ] => &Icirc;
+    [И] => &Icy;
+    [Ä°] => &Idot;
+    [â„‘] => &Ifr;
+    [Ì] => &Igrave;
+    [Ī] => &Imacr;
+    [â…ˆ] => &ImaginaryI;
+    [⇒] => &Implies;
+    [∬] => &Int;
+    [∫] => &Integral;
+    [�] => &InvisibleTimes;
+    [Ä®] => &Iogon;
+    [�] => &Iopf;
+    [Ι] => &Iota;
+    [Ĩ] => &Itilde;
+    [І] => &Iukcy;
+    [�] => &Iuml;
+    [Ä´] => &Jcirc;
+    [Й] => &Jcy;
+    [�] => &Jfr;
+    [�] => &Jopf;
+    [�] => &Jscr;
+    [Ј] => &Jsercy;
+    [Є] => &Jukcy;
+    [Ð¥] => &KHcy;
+    [Ќ] => &KJcy;
+    [Κ] => &Kappa;
+    [Ķ] => &Kcedil;
+    [К] => &Kcy;
+    [�] => &Kfr;
+    [�] => &Kopf;
+    [�] => &Kscr;
+    [Љ] => &LJcy;
+    [Ĺ] => &Lacute;
+    [Λ] => &Lambda;
+    [⟪] => &Lang;
+    [↞] => &Larr;
+    [Ľ] => &Lcaron;
+    [Ä»] => &Lcedil;
+    [Л] => &Lcy;
+    [⇤] => &LeftArrowBar;
+    [⟦] => &LeftDoubleBracket;
+    [⥡] => &LeftDownTeeVector;
+    [⥙] => &LeftDownVectorBar;
+    [⌊] => &LeftFloor;
+    [⥎] => &LeftRightVector;
+    [↤] => &LeftTeeArrow;
+    [⥚] => &LeftTeeVector;
+    [�] => &LeftTriangleBar;
+    [⊴] => &LeftTriangleEqual;
+    [⥑] => &LeftUpDownVector;
+    [⥠] => &LeftUpTeeVector;
+    [⥘] => &LeftUpVectorBar;
+    [⥒] => &LeftVectorBar;
+    [⪡] => &LessLess;
+    [≲] => &LessTilde;
+    [�] => &Lfr;
+    [⋘] => &Ll;
+    [Ä¿] => &Lmidot;
+    [⟷] => &LongLeftRightArrow;
+    [⟶] => &LongRightArrow;
+    [�] => &Lopf;
+    [↘] => &LowerRightArrow;
+    [↰] => &Lsh;
+    [�] => &Lstrok;
+    [⤅] => &Map;
+    [М] => &Mcy;
+    [�] => &MediumSpace;
+    [ℳ] => &Mellintrf;
+    [�] => &Mfr;
+    [∓] => &MinusPlus;
+    [�] => &Mopf;
+    [Μ] => &Mu;
+    [Њ] => &NJcy;
+    [Ń] => &Nacute;
+    [Ň] => &Ncaron;
+    [Å…] => &Ncedil;
+    [�] => &Ncy;
+    [
+] => &NewLine;
+    [�] => &Nfr;
+    [�] => &NoBreak;
+    [⫬] => &Not;
+    [≢] => &NotCongruent;
+    [≭] => &NotCupCap;
+    [≠] => &NotEqual;
+    [≧̸] => &NotGreaterFullEqual;
+    [≫̸] => &NotGreaterGreater;
+    [≹] => &NotGreaterLess;
+    [�̸] => &NotLeftTriangleBar;
+    [≮] => &NotLess;
+    [≰] => &NotLessEqual;
+    [⪢̸] => &NotNestedGreaterGreater;
+    [⪡̸] => &NotNestedLessLess;
+    [⪯̸] => &NotPrecedesEqual;
+    [â‹ ] => &NotPrecedesSlantEqual;
+    [�̸] => &NotRightTriangleBar;
+    [â‹­] => &NotRightTriangleEqual;
+    [�̸] => &NotSquareSubset;
+    [â‹¢] => &NotSquareSubsetEqual;
+    [�̸] => &NotSquareSuperset;
+    [â‹£] => &NotSquareSupersetEqual;
+    [⊈] => &NotSubsetEqual;
+    [�] => &NotSucceeds;
+    [⪰̸] => &NotSucceedsEqual;
+    [â‹¡] => &NotSucceedsSlantEqual;
+    [≿̸] => &NotSucceedsTilde;
+    [⊉] => &NotSupersetEqual;
+    [�] => &NotTilde;
+    [�] => &Nscr;
+    [Ñ] => &Ntilde;
+    [�] => &Nu;
+    [Å’] => &OElig;
+    [Ó] => &Oacute;
+    [Ô] => &Ocirc;
+    [О] => &Ocy;
+    [�] => &Odblac;
+    [�] => &Ofr;
+    [Ã’] => &Ograve;
+    [Ō] => &Omacr;
+    [Ω] => &Omega;
+    [Ο] => &Omicron;
+    [�] => &Oopf;
+    [“] => &OpenCurlyDoubleQuote;
+    [‘] => &OpenCurlyQuote;
+    [â©”] => &Or;
+    [�] => &Oscr;
+    [Ø] => &Oslash;
+    [Õ] => &Otilde;
+    [⨷] => &Otimes;
+    [Ö] => &Ouml;
+    [�] => &OverBrace;
+    [⎴] => &OverBracket;
+    [�] => &OverParenthesis;
+    [П] => &Pcy;
+    [�] => &Pfr;
+    [Φ] => &Phi;
+    [Π] => &Pi;
+    [⪻] => &Pr;
+    [≼] => &PrecedesSlantEqual;
+    [″] => &Prime;
+    [�] => &Pscr;
+    [Ψ] => &Psi;
+    [�] => &Qfr;
+    [�] => &Qscr;
+    [Å”] => &Racute;
+    [⟫] => &Rang;
+    [⤖] => &Rarrtl;
+    [Ř] => &Rcaron;
+    [Å–] => &Rcedil;
+    [Р] => &Rcy;
+    [∋] => &ReverseElement;
+    [⥯] => &ReverseUpEquilibrium;
+    [ℜ] => &Rfr;
+    [Ρ] => &Rho;
+    [⟩] => &RightAngleBracket;
+    [⇥] => &RightArrowBar;
+    [⌉] => &RightCeiling;
+    [⟧] => &RightDoubleBracket;
+    [�] => &RightDownTeeVector;
+    [⇂] => &RightDownVector;
+    [⥕] => &RightDownVectorBar;
+    [⌋] => &RightFloor;
+    [⥛] => &RightTeeVector;
+    [�] => &RightTriangleBar;
+    [⊵] => &RightTriangleEqual;
+    [�] => &RightUpDownVector;
+    [⥜] => &RightUpTeeVector;
+    [↾] => &RightUpVector;
+    [⥔] => &RightUpVectorBar;
+    [⥓] => &RightVectorBar;
+    [�] => &Ropf;
+    [⥰] => &RoundImplies;
+    [⧴] => &RuleDelayed;
+    [Щ] => &SHCHcy;
+    [Ш] => &SHcy;
+    [Ь] => &SOFTcy;
+    [Åš] => &Sacute;
+    [⪼] => &Sc;
+    [Å ] => &Scaron;
+    [Åž] => &Scedil;
+    [Ŝ] => &Scirc;
+    [С] => &Scy;
+    [�] => &Sfr;
+    [Σ] => &Sigma;
+    [�] => &Sopf;
+    [√] => &Sqrt;
+    [â–¡] => &Square;
+    [⊑] => &SquareSubsetEqual;
+    [⊒] => &SquareSupersetEqual;
+    [�] => &Sscr;
+    [⋆] => &Star;
+    [�] => &Sub;
+    [⊆] => &SubsetEqual;
+    [⪰] => &SucceedsEqual;
+    [≿] => &SucceedsTilde;
+    [â‹‘] => &Supset;
+    [Þ] => &THORN;
+    [Ћ] => &TSHcy;
+    [Ц] => &TScy;
+    [	] => &Tab;
+    [Τ] => &Tau;
+    [Ť] => &Tcaron;
+    [Å¢] => &Tcedil;
+    [Т] => &Tcy;
+    [�] => &Tfr;
+    [Θ] => &Theta;
+    [� ] => &ThickSpace;
+    [ ] => &ThinSpace;
+    [≅] => &TildeFullEqual;
+    [�] => &Topf;
+    [⃛] => &TripleDot;
+    [�] => &Tscr;
+    [Ŧ] => &Tstrok;
+    [Ú] => &Uacute;
+    [↟] => &Uarr;
+    [⥉] => &Uarrocir;
+    [ÐŽ] => &Ubrcy;
+    [Ŭ] => &Ubreve;
+    [Û] => &Ucirc;
+    [У] => &Ucy;
+    [Å°] => &Udblac;
+    [�] => &Ufr;
+    [Ù] => &Ugrave;
+    [Ū] => &Umacr;
+    [�] => &UnderBrace;
+    [�] => &UnderParenthesis;
+    [⊎] => &UnionPlus;
+    [Ų] => &Uogon;
+    [�] => &Uopf;
+    [⤒] => &UpArrowBar;
+    [↕] => &UpDownArrow;
+    [↥] => &UpTeeArrow;
+    [⇕] => &Updownarrow;
+    [↗] => &UpperRightArrow;
+    [Î¥] => &Upsilon;
+    [Å®] => &Uring;
+    [�] => &Uscr;
+    [Ũ] => &Utilde;
+    [Ü] => &Uuml;
+    [⊫] => &VDash;
+    [â««] => &Vbar;
+    [Ð’] => &Vcy;
+    [⊩] => &Vdash;
+    [⫦] => &Vdashl;
+    [‖] => &Verbar;
+    [�] => &VerticalSeparator;
+    [�] => &Vfr;
+    [�] => &Vopf;
+    [�] => &Vscr;
+    [⊪] => &Vvdash;
+    [Å´] => &Wcirc;
+    [�] => &Wfr;
+    [�] => &Wopf;
+    [�] => &Wscr;
+    [�] => &Xfr;
+    [Ξ] => &Xi;
+    [�] => &Xopf;
+    [�] => &Xscr;
+    [Я] => &YAcy;
+    [Ї] => &YIcy;
+    [Ю] => &YUcy;
+    [�] => &Yacute;
+    [Ŷ] => &Ycirc;
+    [Ы] => &Ycy;
+    [�] => &Yfr;
+    [�] => &Yopf;
+    [�] => &Yscr;
+    [Ÿ] => &Yuml;
+    [Ж] => &ZHcy;
+    [Ź] => &Zacute;
+    [Ž] => &Zcaron;
+    [З] => &Zcy;
+    [Å»] => &Zdot;
+    [​] => &ZeroWidthSpace;
+    [Ζ] => &Zeta;
+    [ℨ] => &Zfr;
+    [ℤ] => &Zopf;
+    [�] => &Zscr;
+    [á] => &aacute;
+    [ă] => &abreve;
+    [∾] => &ac;
+    [∾̳] => &acE;
+    [∿] => &acd;
+    [â] => &acirc;
+    [а] => &acy;
+    [æ] => &aelig;
+    [�] => &af;
+    [�] => &afr;
+    [à] => &agrave;
+    [ℵ] => &aleph;
+    [α] => &alpha;
+    [�] => &amacr;
+    [⨿] => &amalg;
+    [&] => &amp;
+    [∧] => &and;
+    [â©•] => &andand;
+    [⩜] => &andd;
+    [⩘] => &andslope;
+    [â©š] => &andv;
+    [⦤] => &ange;
+    [∠] => &angle;
+    [∡] => &angmsd;
+    [⦨] => &angmsdaa;
+    [⦩] => &angmsdab;
+    [⦪] => &angmsdac;
+    [⦫] => &angmsdad;
+    [⦬] => &angmsdae;
+    [⦭] => &angmsdaf;
+    [⦮] => &angmsdag;
+    [⦯] => &angmsdah;
+    [∟] => &angrt;
+    [⊾] => &angrtvb;
+    [�] => &angrtvbd;
+    [∢] => &angsph;
+    [�] => &angzarr;
+    [Ä…] => &aogon;
+    [�] => &aopf;
+    [â©°] => &apE;
+    [⩯] => &apacir;
+    [≊] => &ape;
+    [≋] => &apid;
+    [≈] => &approx;
+    [Ã¥] => &aring;
+    [�] => &ascr;
+    [*] => &ast;
+    [ã] => &atilde;
+    [ä] => &auml;
+    [∳] => &awconint;
+    [⨑] => &awint;
+    [â«­] => &bNot;
+    [϶] => &backepsilon;
+    [‵] => &backprime;
+    [�] => &backsimeq;
+    [⊽] => &barvee;
+    [⌅] => &barwed;
+    [⎵] => &bbrk;
+    [⎶] => &bbrktbrk;
+    [≌] => &bcong;
+    [б] => &bcy;
+    [„] => &bdquo;
+    [⦰] => &bemptyv;
+    [β] => &beta;
+    [ℶ] => &beth;
+    [≬] => &between;
+    [�] => &bfr;
+    [â‹‚] => &bigcap;
+    [â—¯] => &bigcirc;
+    [⋃] => &bigcup;
+    [�] => &bigoplus;
+    [⨂] => &bigotimes;
+    [⨆] => &bigsqcup;
+    [â–½] => &bigtriangledown;
+    [â–³] => &bigtriangleup;
+    [⨄] => &biguplus;
+    [�] => &bkarow;
+    [â–´] => &blacktriangle;
+    [â–¾] => &blacktriangledown;
+    [â—‚] => &blacktriangleleft;
+    [â–¸] => &blacktriangleright;
+    [�] => &blank;
+    [â–’] => &blk12;
+    [â–‘] => &blk14;
+    [â–“] => &blk34;
+    [â–ˆ] => &block;
+    [=⃥] => &bne;
+    [≡⃥] => &bnequiv;
+    [�] => &bnot;
+    [�] => &bopf;
+    [⋈] => &bowtie;
+    [â•—] => &boxDL;
+    [â•”] => &boxDR;
+    [â•–] => &boxDl;
+    [â•“] => &boxDr;
+    [�] => &boxH;
+    [╦] => &boxHD;
+    [â•©] => &boxHU;
+    [╤] => &boxHd;
+    [╧] => &boxHu;
+    [�] => &boxUL;
+    [â•š] => &boxUR;
+    [╜] => &boxUl;
+    [â•™] => &boxUr;
+    [â•‘] => &boxV;
+    [╬] => &boxVH;
+    [â•£] => &boxVL;
+    [â• ] => &boxVR;
+    [â•«] => &boxVh;
+    [â•¢] => &boxVl;
+    [â•Ÿ] => &boxVr;
+    [⧉] => &boxbox;
+    [â••] => &boxdL;
+    [â•’] => &boxdR;
+    [�] => &boxdl;
+    [┌] => &boxdr;
+    [â•¥] => &boxhD;
+    [╨] => &boxhU;
+    [┬] => &boxhd;
+    [â”´] => &boxhu;
+    [⊟] => &boxminus;
+    [⊞] => &boxplus;
+    [â•›] => &boxuL;
+    [╘] => &boxuR;
+    [┘] => &boxul;
+    [â””] => &boxur;
+    [│] => &boxv;
+    [╪] => &boxvH;
+    [â•¡] => &boxvL;
+    [â•ž] => &boxvR;
+    [┼] => &boxvh;
+    [┤] => &boxvl;
+    [├] => &boxvr;
+    [¦] => &brvbar;
+    [�] => &bscr;
+    [�] => &bsemi;
+    [∽] => &bsim;
+    [\] => &bsol;
+    [⧅] => &bsolb;
+    [⟈] => &bsolhsub;
+    [•] => &bull;
+    [≎] => &bump;
+    [⪮] => &bumpE;
+    [ć] => &cacute;
+    [∩] => &cap;
+    [â©„] => &capand;
+    [⩉] => &capbrcup;
+    [â©‹] => &capcap;
+    [⩇] => &capcup;
+    [â©€] => &capdot;
+    [∩︀] => &caps;
+    [�] => &caret;
+    [�] => &ccaps;
+    [�] => &ccaron;
+    [ç] => &ccedil;
+    [ĉ] => &ccirc;
+    [⩌] => &ccups;
+    [�] => &ccupssm;
+    [Ä‹] => &cdot;
+    [⦲] => &cemptyv;
+    [¢] => &cent;
+    [�] => &cfr;
+    [ч] => &chcy;
+    [✓] => &check;
+    [χ] => &chi;
+    [â—‹] => &cir;
+    [⧃] => &cirE;
+    [ˆ] => &circ;
+    [≗] => &circeq;
+    [�] => &cirfnint;
+    [⫯] => &cirmid;
+    [⧂] => &cirscir;
+    [♣] => &clubs;
+    [:] => &colon;
+    [≔] => &coloneq;
+    [,] => &comma;
+    [@] => &commat;
+    [�] => &comp;
+    [∘] => &compfn;
+    [â„‚] => &complexes;
+    [â©­] => &congdot;
+    [�] => &copf;
+    [©] => &copy;
+    [â„—] => &copysr;
+    [↵] => &crarr;
+    [✗] => &cross;
+    [�] => &cscr;
+    [�] => &csub;
+    [â«‘] => &csube;
+    [�] => &csup;
+    [â«’] => &csupe;
+    [⋯] => &ctdot;
+    [⤸] => &cudarrl;
+    [⤵] => &cudarrr;
+    [â‹Ÿ] => &cuesc;
+    [⤽] => &cularrp;
+    [∪] => &cup;
+    [⩈] => &cupbrcap;
+    [⩆] => &cupcap;
+    [â©Š] => &cupcup;
+    [�] => &cupdot;
+    [â©…] => &cupor;
+    [∪︀] => &cups;
+    [↷] => &curarr;
+    [⤼] => &curarrm;
+    [â‹ž] => &curlyeqprec;
+    [â‹Ž] => &curlyvee;
+    [�] => &curlywedge;
+    [¤] => &curren;
+    [↶] => &curvearrowleft;
+    [∲] => &cwconint;
+    [∱] => &cwint;
+    [⌭] => &cylcty;
+    [⥥] => &dHar;
+    [†] => &dagger;
+    [ℸ] => &daleth;
+    [↓] => &darr;
+    [⊣] => &dashv;
+    [�] => &dbkarow;
+    [�] => &dcaron;
+    [д] => &dcy;
+    [â©·] => &ddotseq;
+    [°] => &deg;
+    [δ] => &delta;
+    [⦱] => &demptyv;
+    [⥿] => &dfisht;
+    [�] => &dfr;
+    [⇃] => &dharl;
+    [â‹„] => &diamond;
+    [♦] => &diamondsuit;
+    [⋲] => &disin;
+    [÷] => &divide;
+    [⋇] => &divonx;
+    [Ñ’] => &djcy;
+    [�] => &dlcrop;
+    [$] => &dollar;
+    [�] => &dopf;
+    [Ë™] => &dot;
+    [≑] => &doteqdot;
+    [⌆] => &doublebarwedge;
+    [⇊] => &downdownarrows;
+    [�] => &drbkarow;
+    [⌟] => &drcorn;
+    [⌌] => &drcrop;
+    [�] => &dscr;
+    [Ñ•] => &dscy;
+    [⧶] => &dsol;
+    [Ä‘] => &dstrok;
+    [⋱] => &dtdot;
+    [⦦] => &dwangle;
+    [ÑŸ] => &dzcy;
+    [⟿] => &dzigrarr;
+    [é] => &eacute;
+    [â©®] => &easter;
+    [Ä›] => &ecaron;
+    [≖] => &ecir;
+    [ê] => &ecirc;
+    [�] => &ecy;
+    [Ä—] => &edot;
+    [�] => &efr;
+    [⪚] => &eg;
+    [è] => &egrave;
+    [⪖] => &egs;
+    [⪘] => &egsdot;
+    [⪙] => &el;
+    [�] => &elinters;
+    [â„“] => &ell;
+    [⪕] => &els;
+    [⪗] => &elsdot;
+    [Ä“] => &emacr;
+    [∅] => &empty;
+    [ ] => &emsp13;
+    [ ] => &emsp14;
+    [ ] => &emsp;
+    [Å‹] => &eng;
+    [ ] => &ensp;
+    [Ä™] => &eogon;
+    [�] => &eopf;
+    [â‹•] => &epar;
+    [⧣] => &eparsl;
+    [⩱] => &eplus;
+    [ε] => &epsi;
+    [≕] => &eqcolon;
+    [=] => &equals;
+    [≟] => &equest;
+    [⩸] => &equivDD;
+    [⧥] => &eqvparsl;
+    [⥱] => &erarr;
+    [ℯ] => &escr;
+    [�] => &esdot;
+    [≂] => &esim;
+    [η] => &eta;
+    [ð] => &eth;
+    [ë] => &euml;
+    [€] => &euro;
+    [!] => &excl;
+    [â„°] => &expectation;
+    [â…‡] => &exponentiale;
+    [≒] => &fallingdotseq;
+    [Ñ„] => &fcy;
+    [♀] => &female;
+    [ffi] => &ffilig;
+    [ff] => &fflig;
+    [ffl] => &ffllig;
+    [�] => &ffr;
+    [�] => &filig;
+    [fj] => &fjlig;
+    [â™­] => &flat;
+    [fl] => &fllig;
+    [â–±] => &fltns;
+    [Æ’] => &fnof;
+    [�] => &fopf;
+    [∀] => &forall;
+    [â«™] => &forkv;
+    [�] => &fpartint;
+    [â…“] => &frac13;
+    [¼] => &frac14;
+    [â…•] => &frac15;
+    [â…™] => &frac16;
+    [â…›] => &frac18;
+    [â…”] => &frac23;
+    [â…–] => &frac25;
+    [¾] => &frac34;
+    [â…—] => &frac35;
+    [⅜] => &frac38;
+    [â…˜] => &frac45;
+    [â…š] => &frac56;
+    [â…�] => &frac58;
+    [â…ž] => &frac78;
+    [�] => &frasl;
+    [⌢] => &frown;
+    [�] => &fscr;
+    [⪌] => &gEl;
+    [ǵ] => &gacute;
+    [γ] => &gamma;
+    [�] => &gammad;
+    [⪆] => &gap;
+    [ÄŸ] => &gbreve;
+    [�] => &gcirc;
+    [г] => &gcy;
+    [Ä¡] => &gdot;
+    [≥] => &ge;
+    [≧] => &geqq;
+    [⩾] => &ges;
+    [⪩] => &gescc;
+    [⪀] => &gesdot;
+    [⪂] => &gesdoto;
+    [⪄] => &gesdotol;
+    [⋛︀] => &gesl;
+    [⪔] => &gesles;
+    [�] => &gfr;
+    [≫] => &gg;
+    [â„·] => &gimel;
+    [Ñ“] => &gjcy;
+    [≷] => &gl;
+    [⪒] => &glE;
+    [⪥] => &gla;
+    [⪤] => &glj;
+    [⪊] => &gnap;
+    [⪈] => &gne;
+    [≩] => &gneqq;
+    [⋧] => &gnsim;
+    [�] => &gopf;
+    [`] => &grave;
+    [â„Š] => &gscr;
+    [⪎] => &gsime;
+    [�] => &gsiml;
+    [>] => &gt;
+    [⪧] => &gtcc;
+    [⩺] => &gtcir;
+    [⦕] => &gtlPar;
+    [⩼] => &gtquest;
+    [⥸] => &gtrarr;
+    [â‹—] => &gtrdot;
+    [â‹›] => &gtreqless;
+    [≩︀] => &gvertneqq;
+    [⇔] => &hArr;
+    [ ] => &hairsp;
+    [½] => &half;
+    [ÑŠ] => &hardcy;
+    [↔] => &harr;
+    [⥈] => &harrcir;
+    [↭] => &harrw;
+    [Ä¥] => &hcirc;
+    [♥] => &hearts;
+    […] => &hellip;
+    [⊹] => &hercon;
+    [�] => &hfr;
+    [⇿] => &hoarr;
+    [∻] => &homtht;
+    [�] => &hopf;
+    [―] => &horbar;
+    [�] => &hscr;
+    [ħ] => &hstrok;
+    [�] => &hybull;
+    [�] => &hyphen;
+    [í] => &iacute;
+    [�] => &ic;
+    [î] => &icirc;
+    [и] => &icy;
+    [е] => &iecy;
+    [¡] => &iexcl;
+    [�] => &ifr;
+    [ì] => &igrave;
+    [⨌] => &iiiint;
+    [⧜] => &iinfin;
+    [â„©] => &iiota;
+    [ij] => &ijlig;
+    [Ä«] => &imacr;
+    [�] => &imagline;
+    [⊷] => &imof;
+    [Ƶ] => &imped;
+    [â„…] => &incare;
+    [∞] => &infin;
+    [�] => &infintie;
+    [ı] => &inodot;
+    [⊺] => &intcal;
+    [⨗] => &intlarhk;
+    [Ñ‘] => &iocy;
+    [į] => &iogon;
+    [�] => &iopf;
+    [ι] => &iota;
+    [⨼] => &iprod;
+    [¿] => &iquest;
+    [�] => &iscr;
+    [⋹] => &isinE;
+    [⋵] => &isindot;
+    [â‹´] => &isins;
+    [⋳] => &isinsv;
+    [∈] => &isinv;
+    [Ä©] => &itilde;
+    [Ñ–] => &iukcy;
+    [ï] => &iuml;
+    [ĵ] => &jcirc;
+    [й] => &jcy;
+    [�] => &jfr;
+    [È·] => &jmath;
+    [�] => &jopf;
+    [�] => &jscr;
+    [ј] => &jsercy;
+    [Ñ”] => &jukcy;
+    [κ] => &kappa;
+    [Ä·] => &kcedil;
+    [к] => &kcy;
+    [�] => &kfr;
+    [ĸ] => &kgreen;
+    [Ñ…] => &khcy;
+    [ќ] => &kjcy;
+    [�] => &kopf;
+    [�] => &kscr;
+    [⇚] => &lAarr;
+    [⤛] => &lAtail;
+    [⤎] => &lBarr;
+    [≦] => &lE;
+    [⥢] => &lHar;
+    [ĺ] => &lacute;
+    [⦴] => &laemptyv;
+    [â„’] => &lagran;
+    [λ] => &lambda;
+    [⦑] => &langd;
+    [⟨] => &langle;
+    [⪅] => &lap;
+    [«] => &laquo;
+    [�] => &larr;
+    [⤟] => &larrbfs;
+    [�] => &larrfs;
+    [↩] => &larrhk;
+    [↫] => &larrlp;
+    [⤹] => &larrpl;
+    [⥳] => &larrsim;
+    [↢] => &larrtl;
+    [⪫] => &lat;
+    [⤙] => &latail;
+    [⪭] => &late;
+    [⪭︀] => &lates;
+    [⤌] => &lbarr;
+    [�] => &lbbrk;
+    [{] => &lbrace;
+    [[] => &lbrack;
+    [⦋] => &lbrke;
+    [�] => &lbrksld;
+    [�] => &lbrkslu;
+    [ľ] => &lcaron;
+    [ļ] => &lcedil;
+    [⌈] => &lceil;
+    [л] => &lcy;
+    [⤶] => &ldca;
+    [⥧] => &ldrdhar;
+    [⥋] => &ldrushar;
+    [↲] => &ldsh;
+    [↽] => &leftharpoondown;
+    [↼] => &leftharpoonup;
+    [⇋] => &leftrightharpoons;
+    [≤] => &leq;
+    [⩽] => &les;
+    [⪨] => &lescc;
+    [â©¿] => &lesdot;
+    [�] => &lesdoto;
+    [⪃] => &lesdotor;
+    [⋚︀] => &lesg;
+    [⪓] => &lesges;
+    [â‹–] => &lessdot;
+    [â‹š] => &lesseqgtr;
+    [⪋] => &lesseqqgtr;
+    [≶] => &lessgtr;
+    [⥼] => &lfisht;
+    [�] => &lfr;
+    [⪑] => &lgE;
+    [⥪] => &lharul;
+    [â–„] => &lhblk;
+    [Ñ™] => &ljcy;
+    [≪] => &ll;
+    [⇇] => &llarr;
+    [⌞] => &llcorner;
+    [⥫] => &llhard;
+    [â—º] => &lltri;
+    [Å€] => &lmidot;
+    [⎰] => &lmoust;
+    [⪉] => &lnap;
+    [⪇] => &lne;
+    [≨] => &lneqq;
+    [⋦] => &lnsim;
+    [⟬] => &loang;
+    [⇽] => &loarr;
+    [⟵] => &longleftarrow;
+    [↬] => &looparrowright;
+    [⦅] => &lopar;
+    [�] => &lopf;
+    [⨭] => &loplus;
+    [⨴] => &lotimes;
+    [∗] => &lowast;
+    [_] => &lowbar;
+    [â—Š] => &lozenge;
+    [⧫] => &lozf;
+    [(] => &lpar;
+    [⦓] => &lparlt;
+    [⇆] => &lrarr;
+    [⥭] => &lrhard;
+    [‎] => &lrm;
+    [⊿] => &lrtri;
+    [‹] => &lsaquo;
+    [�] => &lscr;
+    [�] => &lsime;
+    [�] => &lsimg;
+    [Å‚] => &lstrok;
+    [<] => &lt;
+    [⪦] => &ltcc;
+    [⩹] => &ltcir;
+    [â‹‹] => &lthree;
+    [⋉] => &ltimes;
+    [⥶] => &ltlarr;
+    [â©»] => &ltquest;
+    [⦖] => &ltrPar;
+    [â—ƒ] => &ltri;
+    [⥊] => &lurdshar;
+    [⥦] => &luruhar;
+    [≨︀] => &lvertneqq;
+    [∺] => &mDDot;
+    [¯] => &macr;
+    [♂] => &male;
+    [✠] => &maltese;
+    [↦] => &map;
+    [â–®] => &marker;
+    [⨩] => &mcomma;
+    [м] => &mcy;
+    [—] => &mdash;
+    [�] => &mfr;
+    [℧] => &mho;
+    [µ] => &micro;
+    [∣] => &mid;
+    [â«°] => &midcir;
+    [−] => &minus;
+    [∸] => &minusd;
+    [⨪] => &minusdu;
+    [â«›] => &mlcp;
+    [⊧] => &models;
+    [�] => &mopf;
+    [�] => &mscr;
+    [μ] => &mu;
+    [⊸] => &mumap;
+    [⋙̸] => &nGg;
+    [≫⃒] => &nGt;
+    [�] => &nLeftarrow;
+    [⋘̸] => &nLl;
+    [≪⃒] => &nLt;
+    [≪̸] => &nLtv;
+    [⊯] => &nVDash;
+    [⊮] => &nVdash;
+    [∇] => &nabla;
+    [Å„] => &nacute;
+    [∠⃒] => &nang;
+    [⩰̸] => &napE;
+    [≋̸] => &napid;
+    [ʼn] => &napos;
+    [≉] => &napprox;
+    [â™®] => &natur;
+    [â„•] => &naturals;
+    [ ] => &nbsp;
+    [≎̸] => &nbump;
+    [�̸] => &nbumpe;
+    [⩃] => &ncap;
+    [ň] => &ncaron;
+    [ņ] => &ncedil;
+    [≇] => &ncong;
+    [⩭̸] => &ncongdot;
+    [â©‚] => &ncup;
+    [н] => &ncy;
+    [–] => &ndash;
+    [⇗] => &neArr;
+    [⤤] => &nearhk;
+    [�̸] => &nedot;
+    [≂̸] => &nesim;
+    [∄] => &nexist;
+    [�] => &nfr;
+    [≱] => &ngeq;
+    [⩾̸] => &nges;
+    [≵] => &ngsim;
+    [≯] => &ngtr;
+    [⇎] => &nhArr;
+    [⫲] => &nhpar;
+    [⋼] => &nis;
+    [⋺] => &nisd;
+    [Ñš] => &njcy;
+    [≦̸] => &nlE;
+    [‥] => &nldr;
+    [↚] => &nleftarrow;
+    [↮] => &nleftrightarrow;
+    [⩽̸] => &nles;
+    [≴] => &nlsim;
+    [⋪] => &nltri;
+    [⋬] => &nltrie;
+    [�] => &nopf;
+    [¬] => &not;
+    [∉] => &notin;
+    [⋹̸] => &notinE;
+    [⋵̸] => &notindot;
+    [â‹·] => &notinvb;
+    [⋶] => &notinvc;
+    [∌] => &notniva;
+    [⋾] => &notnivb;
+    [⋽] => &notnivc;
+    [∦] => &nparallel;
+    [⫽⃥] => &nparsl;
+    [∂̸] => &npart;
+    [⨔] => &npolint;
+    [⊀] => &npr;
+    [�] => &nrArr;
+    [↛] => &nrarr;
+    [⤳̸] => &nrarrc;
+    [�̸] => &nrarrw;
+    [�] => &nscr;
+    [∤] => &nshortmid;
+    [≄] => &nsime;
+    [⊄] => &nsub;
+    [⫅̸] => &nsubE;
+    [⊅] => &nsup;
+    [⊃⃒] => &nsupset;
+    [⫆̸] => &nsupseteqq;
+    [ñ] => &ntilde;
+    [≸] => &ntlg;
+    [â‹«] => &ntriangleright;
+    [ν] => &nu;
+    [#] => &num;
+    [â„–] => &numero;
+    [ ] => &numsp;
+    [⊭] => &nvDash;
+    [⤄] => &nvHarr;
+    [�⃒] => &nvap;
+    [⊬] => &nvdash;
+    [≥⃒] => &nvge;
+    [>⃒] => &nvgt;
+    [⧞] => &nvinfin;
+    [⤂] => &nvlArr;
+    [≤⃒] => &nvle;
+    [<⃒] => &nvlt;
+    [⊴⃒] => &nvltrie;
+    [⤃] => &nvrArr;
+    [⊵⃒] => &nvrtrie;
+    [∼⃒] => &nvsim;
+    [⇖] => &nwArr;
+    [⤣] => &nwarhk;
+    [↖] => &nwarrow;
+    [⤧] => &nwnear;
+    [Ⓢ] => &oS;
+    [ó] => &oacute;
+    [⊛] => &oast;
+    [⊚] => &ocir;
+    [ô] => &ocirc;
+    [о] => &ocy;
+    [�] => &odash;
+    [Å‘] => &odblac;
+    [⨸] => &odiv;
+    [⦼] => &odsold;
+    [Å“] => &oelig;
+    [⦿] => &ofcir;
+    [�] => &ofr;
+    [Ë›] => &ogon;
+    [ò] => &ograve;
+    [�] => &ogt;
+    [⦵] => &ohbar;
+    [↺] => &olarr;
+    [⦾] => &olcir;
+    [⦻] => &olcross;
+    [‾] => &oline;
+    [⧀] => &olt;
+    [�] => &omacr;
+    [ω] => &omega;
+    [ο] => &omicron;
+    [⦶] => &omid;
+    [⊖] => &ominus;
+    [�] => &oopf;
+    [⦷] => &opar;
+    [⦹] => &operp;
+    [∨] => &or;
+    [↻] => &orarr;
+    [�] => &ord;
+    [â„´] => &orderof;
+    [ª] => &ordf;
+    [º] => &ordm;
+    [⊶] => &origof;
+    [â©–] => &oror;
+    [â©—] => &orslope;
+    [â©›] => &orv;
+    [ø] => &oslash;
+    [⊘] => &osol;
+    [õ] => &otilde;
+    [⨶] => &otimesas;
+    [ö] => &ouml;
+    [⌽] => &ovbar;
+    [¶] => &para;
+    [⫳] => &parsim;
+    [⫽] => &parsl;
+    [∂] => &part;
+    [п] => &pcy;
+    [%] => &percnt;
+    [.] => &period;
+    [‰] => &permil;
+    [⊥] => &perp;
+    [‱] => &pertenk;
+    [�] => &pfr;
+    [φ] => &phi;
+    [☎] => &phone;
+    [Ï€] => &pi;
+    [â‹”] => &pitchfork;
+    [Ï–] => &piv;
+    [�] => &planck;
+    [â„Ž] => &planckh;
+    [+] => &plus;
+    [⨣] => &plusacir;
+    [⨢] => &pluscir;
+    [∔] => &plusdo;
+    [⨥] => &plusdu;
+    [⩲] => &pluse;
+    [±] => &plusmn;
+    [⨦] => &plussim;
+    [⨧] => &plustwo;
+    [⨕] => &pointint;
+    [�] => &popf;
+    [£] => &pound;
+    [⪳] => &prE;
+    [≺] => &prec;
+    [⪷] => &precapprox;
+    [⪯] => &preceq;
+    [⪹] => &precnapprox;
+    [⪵] => &precneqq;
+    [⋨] => &precnsim;
+    [≾] => &precsim;
+    [′] => &prime;
+    [â„™] => &primes;
+    [�] => &prod;
+    [⌮] => &profalar;
+    [⌒] => &profline;
+    [⌓] => &profsurf;
+    [�] => &prop;
+    [⊰] => &prurel;
+    [�] => &pscr;
+    [ψ] => &psi;
+    [ ] => &puncsp;
+    [�] => &qfr;
+    [�] => &qopf;
+    [�] => &qprime;
+    [�] => &qscr;
+    [⨖] => &quatint;
+    [?] => &quest;
+    ["] => &quot;
+    [⇛] => &rAarr;
+    [⤜] => &rAtail;
+    [⥤] => &rHar;
+    [∽̱] => &race;
+    [Å•] => &racute;
+    [⦳] => &raemptyv;
+    [⦒] => &rangd;
+    [⦥] => &range;
+    [»] => &raquo;
+    [⥵] => &rarrap;
+    [⤠] => &rarrbfs;
+    [⤳] => &rarrc;
+    [⤞] => &rarrfs;
+    [↪] => &rarrhk;
+    [⥅] => &rarrpl;
+    [⥴] => &rarrsim;
+    [↣] => &rarrtl;
+    [�] => &rarrw;
+    [⤚] => &ratail;
+    [∶] => &ratio;
+    [â„š] => &rationals;
+    [�] => &rbbrk;
+    [⦌] => &rbrke;
+    [⦎] => &rbrksld;
+    [�] => &rbrkslu;
+    [Å™] => &rcaron;
+    [Å—] => &rcedil;
+    [}] => &rcub;
+    [Ñ€] => &rcy;
+    [⤷] => &rdca;
+    [⥩] => &rdldhar;
+    [�] => &rdquo;
+    [↳] => &rdsh;
+    [â„›] => &realine;
+    [â–­] => &rect;
+    [®] => &reg;
+    [⥽] => &rfisht;
+    [�] => &rfr;
+    [�] => &rhard;
+    [⇀] => &rharu;
+    [⥬] => &rharul;
+    [�] => &rho;
+    [ϱ] => &rhov;
+    [⇄] => &rightleftarrows;
+    [⇌] => &rightleftharpoons;
+    [Ëš] => &ring;
+    [≓] => &risingdotseq;
+    [�] => &rlm;
+    [⎱] => &rmoust;
+    [â«®] => &rnmid;
+    [⟭] => &roang;
+    [⇾] => &roarr;
+    [⦆] => &ropar;
+    [�] => &ropf;
+    [⨮] => &roplus;
+    [⨵] => &rotimes;
+    [)] => &rpar;
+    [⦔] => &rpargt;
+    [⨒] => &rppolint;
+    [⇉] => &rrarr;
+    [›] => &rsaquo;
+    [�] => &rscr;
+    [↱] => &rsh;
+    []] => &rsqb;
+    [’] => &rsquo;
+    [⋌] => &rthree;
+    [â‹Š] => &rtimes;
+    [â–¹] => &rtri;
+    [⧎] => &rtriltri;
+    [⥨] => &ruluhar;
+    [â„ž] => &rx;
+    [Å›] => &sacute;
+    [‚] => &sbquo;
+    [⪴] => &scE;
+    [Å¡] => &scaron;
+    [ÅŸ] => &scedil;
+    [�] => &scirc;
+    [⪶] => &scnE;
+    [â‹©] => &scnsim;
+    [⨓] => &scpolint;
+    [�] => &scy;
+    [â‹…] => &sdot;
+    [⊡] => &sdotb;
+    [⩦] => &sdote;
+    [⇘] => &seArr;
+    [⤥] => &searhk;
+    [§] => &sect;
+    [;] => &semi;
+    [⤩] => &seswar;
+    [✶] => &sext;
+    [�] => &sfr;
+    [♯] => &sharp;
+    [щ] => &shchcy;
+    [ш] => &shcy;
+    [∥] => &shortparallel;
+    [­] => &shy;
+    [σ] => &sigma;
+    [Ï‚] => &sigmav;
+    [∼] => &sim;
+    [⩪] => &simdot;
+    [≃] => &simeq;
+    [⪞] => &simg;
+    [⪠] => &simgE;
+    [�] => &siml;
+    [⪟] => &simlE;
+    [≆] => &simne;
+    [⨤] => &simplus;
+    [⥲] => &simrarr;
+    [⨳] => &smashp;
+    [⧤] => &smeparsl;
+    [⌣] => &smile;
+    [⪪] => &smt;
+    [⪬] => &smte;
+    [⪬︀] => &smtes;
+    [ь] => &softcy;
+    [/] => &sol;
+    [⧄] => &solb;
+    [⌿] => &solbar;
+    [�] => &sopf;
+    [â™ ] => &spadesuit;
+    [⊓] => &sqcap;
+    [⊓︀] => &sqcaps;
+    [⊔] => &sqcup;
+    [⊔︀] => &sqcups;
+    [�] => &sqsub;
+    [�] => &sqsupset;
+    [â–ª] => &squarf;
+    [→] => &srarr;
+    [�] => &sscr;
+    [∖] => &ssetmn;
+    [☆] => &star;
+    [★] => &starf;
+    [ϵ] => &straightepsilon;
+    [Ï•] => &straightphi;
+    [⊂] => &sub;
+    [â«…] => &subE;
+    [⪽] => &subdot;
+    [⫃] => &subedot;
+    [�] => &submult;
+    [⪿] => &subplus;
+    [⥹] => &subrarr;
+    [⊊] => &subsetneq;
+    [â«‹] => &subsetneqq;
+    [⫇] => &subsim;
+    [â«•] => &subsub;
+    [â«“] => &subsup;
+    [≻] => &succ;
+    [⪸] => &succapprox;
+    [≽] => &succcurlyeq;
+    [⪺] => &succnapprox;
+    [∑] => &sum;
+    [♪] => &sung;
+    [¹] => &sup1;
+    [²] => &sup2;
+    [³] => &sup3;
+    [⊃] => &sup;
+    [⪾] => &supdot;
+    [⫘] => &supdsub;
+    [⊇] => &supe;
+    [â«„] => &supedot;
+    [⟉] => &suphsol;
+    [â«—] => &suphsub;
+    [⥻] => &suplarr;
+    [â«‚] => &supmult;
+    [⫌] => &supnE;
+    [â«€] => &supplus;
+    [⫆] => &supseteqq;
+    [⊋] => &supsetneq;
+    [⫈] => &supsim;
+    [â«”] => &supsub;
+    [â«–] => &supsup;
+    [⇙] => &swArr;
+    [⤦] => &swarhk;
+    [↙] => &swarr;
+    [⤪] => &swnwar;
+    [ß] => &szlig;
+    [⌖] => &target;
+    [Ï„] => &tau;
+    [Å¥] => &tcaron;
+    [Å£] => &tcedil;
+    [Ñ‚] => &tcy;
+    [⌕] => &telrec;
+    [�] => &tfr;
+    [∴] => &there4;
+    [θ] => &theta;
+    [Ï‘] => &thetasym;
+    [þ] => &thorn;
+    [×] => &times;
+    [⊠] => &timesb;
+    [⨱] => &timesbar;
+    [⨰] => &timesd;
+    [∭] => &tint;
+    [⤨] => &toea;
+    [⌶] => &topbot;
+    [⫱] => &topcir;
+    [�] => &topf;
+    [â«š] => &topfork;
+    [‴] => &tprime;
+    [â„¢] => &trade;
+    [â–µ] => &triangle;
+    [â–¿] => &triangledown;
+    [≜] => &triangleq;
+    [â—¬] => &tridot;
+    [⨺] => &triminus;
+    [⨹] => &triplus;
+    [�] => &trisb;
+    [⨻] => &tritime;
+    [�] => &trpezium;
+    [�] => &tscr;
+    [ц] => &tscy;
+    [Ñ›] => &tshcy;
+    [ŧ] => &tstrok;
+    [↠] => &twoheadrightarrow;
+    [⥣] => &uHar;
+    [ú] => &uacute;
+    [↑] => &uarr;
+    [Ñž] => &ubrcy;
+    [Å­] => &ubreve;
+    [û] => &ucirc;
+    [у] => &ucy;
+    [⇅] => &udarr;
+    [ű] => &udblac;
+    [⥮] => &udhar;
+    [⥾] => &ufisht;
+    [�] => &ufr;
+    [ù] => &ugrave;
+    [↿] => &uharl;
+    [â–€] => &uhblk;
+    [⌜] => &ulcorner;
+    [�] => &ulcrop;
+    [â—¸] => &ultri;
+    [Å«] => &umacr;
+    [ų] => &uogon;
+    [�] => &uopf;
+    [Ï…] => &upsi;
+    [Ï’] => &upsih;
+    [⇈] => &upuparrows;
+    [�] => &urcorner;
+    [⌎] => &urcrop;
+    [ů] => &uring;
+    [â—¹] => &urtri;
+    [�] => &uscr;
+    [â‹°] => &utdot;
+    [Å©] => &utilde;
+    [ü] => &uuml;
+    [⦧] => &uwangle;
+    [⫨] => &vBar;
+    [â«©] => &vBarv;
+    [⦜] => &vangrt;
+    [Ï°] => &varkappa;
+    [⫌︀] => &varsupsetneqq;
+    [⊲] => &vartriangleleft;
+    [в] => &vcy;
+    [⊢] => &vdash;
+    [⊻] => &veebar;
+    [≚] => &veeeq;
+    [â‹®] => &vellip;
+    [|] => &vert;
+    [�] => &vfr;
+    [⊂⃒] => &vnsub;
+    [�] => &vopf;
+    [⊳] => &vrtri;
+    [�] => &vscr;
+    [⫋︀] => &vsubnE;
+    [⊊︀] => &vsubne;
+    [⊋︀] => &vsupne;
+    [⦚] => &vzigzag;
+    [ŵ] => &wcirc;
+    [â©Ÿ] => &wedbar;
+    [≙] => &wedgeq;
+    [�] => &wfr;
+    [�] => &wopf;
+    [℘] => &wp;
+    [≀] => &wr;
+    [�] => &wscr;
+    [�] => &xfr;
+    [⟺] => &xhArr;
+    [ξ] => &xi;
+    [⟸] => &xlArr;
+    [⟼] => &xmap;
+    [â‹»] => &xnis;
+    [⨀] => &xodot;
+    [�] => &xopf;
+    [�] => &xscr;
+    [�] => &xvee;
+    [â‹€] => &xwedge;
+    [ý] => &yacute;
+    [�] => &yacy;
+    [Å·] => &ycirc;
+    [Ñ‹] => &ycy;
+    [Â¥] => &yen;
+    [�] => &yfr;
+    [Ñ—] => &yicy;
+    [�] => &yopf;
+    [�] => &yscr;
+    [ÑŽ] => &yucy;
+    [ÿ] => &yuml;
+    [ź] => &zacute;
+    [ž] => &zcaron;
+    [з] => &zcy;
+    [ż] => &zdot;
+    [ζ] => &zeta;
+    [�] => &zfr;
+    [ж] => &zhcy;
+    [�] => &zigrarr;
+    [�] => &zopf;
+    [�] => &zscr;
+    [�] => &zwj;
+    [‌] => &zwnj;
+)
+-- with table = HTML_ENTITIES, ENT_QUOTES --
+int(1511)
+-- with table = HTML_ENTITIES, ENT_NOQUOTES --
+int(1509)
+-- with table = HTML_SPECIALCHARS, ENT_COMPAT --
+int(4)
+Array
+(
+    [&] => &amp;
+    [>] => &gt;
+    [<] => &lt;
+    ["] => &quot;
+)
+-- with table = HTML_SPECIALCHARS, ENT_QUOTES --
+array(5) {
+  ["&"]=>
+  string(5) "&amp;"
+  ["'"]=>
+  string(6) "&apos;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --
+array(3) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic6.phpt b/tests/std/strings/get_html_translation_table_basic6.phpt
new file mode 100644
index 00000000..c5042c96
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic6.phpt
@@ -0,0 +1,253 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - HTML 5/Windows-1251
+--SKIPIF--
+<?php
+echo 'skip AOT cannot auto-wrap code with inner function/class declarations';
+?>
+--FILE--
+<?php
+
+function so($a,$b) { return ord($a[0]) - ord($b[0]); }
+
+echo "*** Testing get_html_translation_table() : basic functionality - HTML 5/Windows-1251 ***\n";
+
+echo "-- with table = HTML_ENTITIES, ENT_COMPAT --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT | ENT_HTML5, "Windows-1251");
+uksort( $tt, 'so' );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_ENTITIES, ENT_QUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_HTML5, "Windows-1251");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_ENTITIES, ENT_NOQUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_HTML5, "Windows-1251");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_COMPAT --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "Windows-1251");
+uksort( $tt, 'so' );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_QUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_HTML5, "Windows-1251");
+uksort( $tt, 'so' );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_HTML5, "Windows-1251");
+uasort( $tt, 'so' );
+var_dump( $tt );
+
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality - HTML 5/Windows-1251 ***
+-- with table = HTML_ENTITIES, ENT_COMPAT --
+int(157)
+Array
+(
+    [	] => &Tab;
+    [
+] => &NewLine;
+    [!] => &excl;
+    ["] => &quot;
+    [#] => &num;
+    [$] => &dollar;
+    [%] => &percnt;
+    [&] => &amp;
+    [(] => &lpar;
+    [)] => &rpar;
+    [*] => &ast;
+    [+] => &plus;
+    [,] => &comma;
+    [.] => &period;
+    [/] => &sol;
+    [:] => &colon;
+    [;] => &semi;
+    [<] => &lt;
+    [=] => &equals;
+    [>] => &gt;
+    [?] => &quest;
+    [@] => &commat;
+    [[] => &lbrack;
+    [\] => &bsol;
+    []] => &rsqb;
+    [^] => &Hat;
+    [_] => &lowbar;
+    [`] => &grave;
+    [fj] => &fjlig;
+    [{] => &lbrace;
+    [|] => &vert;
+    [}] => &rcub;
+    [€] => &DJcy;
+    [�] => &GJcy;
+    [‚] => &sbquo;
+    [ƒ] => &gjcy;
+    [„] => &bdquo;
+    […] => &hellip;
+    [†] => &dagger;
+    [‡] => &Dagger;
+    [ˆ] => &euro;
+    [‰] => &permil;
+    [Š] => &LJcy;
+    [‹] => &lsaquo;
+    [Œ] => &NJcy;
+    [�] => &KJcy;
+    [Ž] => &TSHcy;
+    [�] => &DZcy;
+    [�] => &djcy;
+    [‘] => &OpenCurlyQuote;
+    [’] => &rsquo;
+    [“] => &OpenCurlyDoubleQuote;
+    [”] => &rdquo;
+    [•] => &bull;
+    [–] => &ndash;
+    [—] => &mdash;
+    [™] => &trade;
+    [š] => &ljcy;
+    [›] => &rsaquo;
+    [œ] => &njcy;
+    [�] => &kjcy;
+    [ž] => &tshcy;
+    [Ÿ] => &dzcy;
+    [ ] => &nbsp;
+    [¡] => &Ubrcy;
+    [¢] => &ubrcy;
+    [£] => &Jsercy;
+    [¤] => &curren;
+    [¦] => &brvbar;
+    [§] => &sect;
+    [¨] => &IOcy;
+    [©] => &copy;
+    [ª] => &Jukcy;
+    [«] => &laquo;
+    [¬] => &not;
+    [­] => &shy;
+    [®] => &reg;
+    [¯] => &YIcy;
+    [°] => &deg;
+    [±] => &plusmn;
+    [²] => &Iukcy;
+    [³] => &iukcy;
+    [µ] => &micro;
+    [¶] => &para;
+    [·] => &CenterDot;
+    [¸] => &iocy;
+    [¹] => &numero;
+    [º] => &jukcy;
+    [»] => &raquo;
+    [¼] => &jsercy;
+    [½] => &DScy;
+    [¾] => &dscy;
+    [¿] => &yicy;
+    [À] => &Acy;
+    [Á] => &Bcy;
+    [Â] => &Vcy;
+    [Ã] => &Gcy;
+    [Ä] => &Dcy;
+    [Å] => &IEcy;
+    [Æ] => &ZHcy;
+    [Ç] => &Zcy;
+    [È] => &Icy;
+    [É] => &Jcy;
+    [Ê] => &Kcy;
+    [Ë] => &Lcy;
+    [Ì] => &Mcy;
+    [Í] => &Ncy;
+    [Î] => &Ocy;
+    [Ï] => &Pcy;
+    [Ð] => &Rcy;
+    [Ñ] => &Scy;
+    [Ò] => &Tcy;
+    [Ó] => &Ucy;
+    [Ô] => &Fcy;
+    [Õ] => &KHcy;
+    [Ö] => &TScy;
+    [×] => &CHcy;
+    [Ø] => &SHcy;
+    [Ù] => &SHCHcy;
+    [Ú] => &HARDcy;
+    [Û] => &Ycy;
+    [Ü] => &SOFTcy;
+    [Ý] => &Ecy;
+    [Þ] => &YUcy;
+    [ß] => &YAcy;
+    [à] => &acy;
+    [á] => &bcy;
+    [â] => &vcy;
+    [ã] => &gcy;
+    [ä] => &dcy;
+    [å] => &iecy;
+    [æ] => &zhcy;
+    [ç] => &zcy;
+    [è] => &icy;
+    [é] => &jcy;
+    [ê] => &kcy;
+    [ë] => &lcy;
+    [ì] => &mcy;
+    [í] => &ncy;
+    [î] => &ocy;
+    [ï] => &pcy;
+    [ð] => &rcy;
+    [ñ] => &scy;
+    [ò] => &tcy;
+    [ó] => &ucy;
+    [ô] => &fcy;
+    [õ] => &khcy;
+    [ö] => &tscy;
+    [÷] => &chcy;
+    [ø] => &shcy;
+    [ù] => &shchcy;
+    [ú] => &hardcy;
+    [û] => &ycy;
+    [ü] => &softcy;
+    [ý] => &ecy;
+    [þ] => &yucy;
+    [ÿ] => &yacy;
+)
+-- with table = HTML_ENTITIES, ENT_QUOTES --
+int(158)
+-- with table = HTML_ENTITIES, ENT_NOQUOTES --
+int(156)
+-- with table = HTML_SPECIALCHARS, ENT_COMPAT --
+int(4)
+Array
+(
+    ["] => &quot;
+    [&] => &amp;
+    [<] => &lt;
+    [>] => &gt;
+)
+-- with table = HTML_SPECIALCHARS, ENT_QUOTES --
+array(5) {
+  ["""]=>
+  string(6) "&quot;"
+  ["&"]=>
+  string(5) "&amp;"
+  ["'"]=>
+  string(6) "&apos;"
+  ["<"]=>
+  string(4) "&lt;"
+  [">"]=>
+  string(4) "&gt;"
+}
+-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --
+array(3) {
+  ["&"]=>
+  string(5) "&amp;"
+  ["<"]=>
+  string(4) "&lt;"
+  [">"]=>
+  string(4) "&gt;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic7.phpt b/tests/std/strings/get_html_translation_table_basic7.phpt
new file mode 100644
index 00000000..0f7a896e
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic7.phpt
@@ -0,0 +1,342 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - XHTML 1.0
+--FILE--
+<?php
+echo "*** Testing get_html_translation_table() : basic functionality/XHTML 1.0 ***\n";
+
+echo "-- with table = HTML_ENTITIES, ENT_QUOTES --\n";
+$table = HTML_ENTITIES;
+/* uses &#039; to share the code path with HTML 4.01 */
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_XHTML, "UTF-8");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_ENTITIES, ENT_COMPAT --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT | ENT_XHTML, "UTF-8");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_ENTITIES, ENT_NOQUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_XHTML, "UTF-8");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_COMPAT --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "UTF-8");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_QUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_XHTML, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_XHTML, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality/XHTML 1.0 ***
+-- with table = HTML_ENTITIES, ENT_QUOTES --
+int(253)
+Array
+(
+    ['] => &#039;
+    [Æ] => &AElig;
+    [�] => &Aacute;
+    [Â] => &Acirc;
+    [À] => &Agrave;
+    [Α] => &Alpha;
+    [Ã…] => &Aring;
+    [Ã] => &Atilde;
+    [Ä] => &Auml;
+    [Î’] => &Beta;
+    [Ç] => &Ccedil;
+    [Χ] => &Chi;
+    [‡] => &Dagger;
+    [Δ] => &Delta;
+    [�] => &ETH;
+    [É] => &Eacute;
+    [Ê] => &Ecirc;
+    [È] => &Egrave;
+    [Ε] => &Epsilon;
+    [Η] => &Eta;
+    [Ë] => &Euml;
+    [Γ] => &Gamma;
+    [�] => &Iacute;
+    [ÃŽ] => &Icirc;
+    [Ì] => &Igrave;
+    [Ι] => &Iota;
+    [�] => &Iuml;
+    [Κ] => &Kappa;
+    [Λ] => &Lambda;
+    [Μ] => &Mu;
+    [Ñ] => &Ntilde;
+    [�] => &Nu;
+    [Å’] => &OElig;
+    [Ó] => &Oacute;
+    [Ô] => &Ocirc;
+    [Ã’] => &Ograve;
+    [Ω] => &Omega;
+    [Ο] => &Omicron;
+    [Ø] => &Oslash;
+    [Õ] => &Otilde;
+    [Ö] => &Ouml;
+    [Φ] => &Phi;
+    [Π] => &Pi;
+    [″] => &Prime;
+    [Ψ] => &Psi;
+    [Ρ] => &Rho;
+    [Å ] => &Scaron;
+    [Σ] => &Sigma;
+    [Þ] => &THORN;
+    [Τ] => &Tau;
+    [Θ] => &Theta;
+    [Ú] => &Uacute;
+    [Û] => &Ucirc;
+    [Ù] => &Ugrave;
+    [Î¥] => &Upsilon;
+    [Ü] => &Uuml;
+    [Ξ] => &Xi;
+    [�] => &Yacute;
+    [Ÿ] => &Yuml;
+    [Ζ] => &Zeta;
+    [á] => &aacute;
+    [â] => &acirc;
+    [´] => &acute;
+    [æ] => &aelig;
+    [à] => &agrave;
+    [ℵ] => &alefsym;
+    [α] => &alpha;
+    [&] => &amp;
+    [∧] => &and;
+    [∠] => &ang;
+    [Ã¥] => &aring;
+    [≈] => &asymp;
+    [ã] => &atilde;
+    [ä] => &auml;
+    [„] => &bdquo;
+    [β] => &beta;
+    [¦] => &brvbar;
+    [•] => &bull;
+    [∩] => &cap;
+    [ç] => &ccedil;
+    [¸] => &cedil;
+    [¢] => &cent;
+    [χ] => &chi;
+    [ˆ] => &circ;
+    [♣] => &clubs;
+    [≅] => &cong;
+    [©] => &copy;
+    [↵] => &crarr;
+    [∪] => &cup;
+    [¤] => &curren;
+    [⇓] => &dArr;
+    [†] => &dagger;
+    [↓] => &darr;
+    [°] => &deg;
+    [δ] => &delta;
+    [♦] => &diams;
+    [÷] => &divide;
+    [é] => &eacute;
+    [ê] => &ecirc;
+    [è] => &egrave;
+    [∅] => &empty;
+    [ ] => &emsp;
+    [ ] => &ensp;
+    [ε] => &epsilon;
+    [≡] => &equiv;
+    [η] => &eta;
+    [ð] => &eth;
+    [ë] => &euml;
+    [€] => &euro;
+    [∃] => &exist;
+    [Æ’] => &fnof;
+    [∀] => &forall;
+    [½] => &frac12;
+    [¼] => &frac14;
+    [¾] => &frac34;
+    [�] => &frasl;
+    [γ] => &gamma;
+    [≥] => &ge;
+    [>] => &gt;
+    [⇔] => &hArr;
+    [↔] => &harr;
+    [♥] => &hearts;
+    […] => &hellip;
+    [í] => &iacute;
+    [î] => &icirc;
+    [¡] => &iexcl;
+    [ì] => &igrave;
+    [â„‘] => &image;
+    [∞] => &infin;
+    [∫] => &int;
+    [ι] => &iota;
+    [¿] => &iquest;
+    [∈] => &isin;
+    [ï] => &iuml;
+    [κ] => &kappa;
+    [�] => &lArr;
+    [λ] => &lambda;
+    [〈] => &lang;
+    [«] => &laquo;
+    [�] => &larr;
+    [⌈] => &lceil;
+    [“] => &ldquo;
+    [≤] => &le;
+    [⌊] => &lfloor;
+    [∗] => &lowast;
+    [â—Š] => &loz;
+    [‎] => &lrm;
+    [‹] => &lsaquo;
+    [‘] => &lsquo;
+    [<] => &lt;
+    [¯] => &macr;
+    [—] => &mdash;
+    [µ] => &micro;
+    [·] => &middot;
+    [−] => &minus;
+    [μ] => &mu;
+    [∇] => &nabla;
+    [ ] => &nbsp;
+    [–] => &ndash;
+    [≠] => &ne;
+    [∋] => &ni;
+    [¬] => &not;
+    [∉] => &notin;
+    [⊄] => &nsub;
+    [ñ] => &ntilde;
+    [ν] => &nu;
+    [ó] => &oacute;
+    [ô] => &ocirc;
+    [Å“] => &oelig;
+    [ò] => &ograve;
+    [‾] => &oline;
+    [ω] => &omega;
+    [ο] => &omicron;
+    [⊕] => &oplus;
+    [∨] => &or;
+    [ª] => &ordf;
+    [º] => &ordm;
+    [ø] => &oslash;
+    [õ] => &otilde;
+    [⊗] => &otimes;
+    [ö] => &ouml;
+    [¶] => &para;
+    [∂] => &part;
+    [‰] => &permil;
+    [⊥] => &perp;
+    [φ] => &phi;
+    [Ï€] => &pi;
+    [Ï–] => &piv;
+    [±] => &plusmn;
+    [£] => &pound;
+    [′] => &prime;
+    [�] => &prod;
+    [�] => &prop;
+    [ψ] => &psi;
+    ["] => &quot;
+    [⇒] => &rArr;
+    [√] => &radic;
+    [〉] => &rang;
+    [»] => &raquo;
+    [→] => &rarr;
+    [⌉] => &rceil;
+    [�] => &rdquo;
+    [ℜ] => &real;
+    [®] => &reg;
+    [⌋] => &rfloor;
+    [�] => &rho;
+    [�] => &rlm;
+    [›] => &rsaquo;
+    [’] => &rsquo;
+    [‚] => &sbquo;
+    [Å¡] => &scaron;
+    [â‹…] => &sdot;
+    [§] => &sect;
+    [­] => &shy;
+    [σ] => &sigma;
+    [Ï‚] => &sigmaf;
+    [∼] => &sim;
+    [â™ ] => &spades;
+    [⊂] => &sub;
+    [⊆] => &sube;
+    [∑] => &sum;
+    [¹] => &sup1;
+    [²] => &sup2;
+    [³] => &sup3;
+    [⊃] => &sup;
+    [⊇] => &supe;
+    [ß] => &szlig;
+    [Ï„] => &tau;
+    [∴] => &there4;
+    [θ] => &theta;
+    [Ï‘] => &thetasym;
+    [ ] => &thinsp;
+    [þ] => &thorn;
+    [˜] => &tilde;
+    [×] => &times;
+    [â„¢] => &trade;
+    [⇑] => &uArr;
+    [ú] => &uacute;
+    [↑] => &uarr;
+    [û] => &ucirc;
+    [ù] => &ugrave;
+    [¨] => &uml;
+    [Ï’] => &upsih;
+    [Ï…] => &upsilon;
+    [ü] => &uuml;
+    [℘] => &weierp;
+    [ξ] => &xi;
+    [ý] => &yacute;
+    [Â¥] => &yen;
+    [ÿ] => &yuml;
+    [ζ] => &zeta;
+    [�] => &zwj;
+    [‌] => &zwnj;
+)
+-- with table = HTML_ENTITIES, ENT_COMPAT --
+int(252)
+-- with table = HTML_ENTITIES, ENT_NOQUOTES --
+int(251)
+-- with table = HTML_SPECIALCHARS, ENT_COMPAT --
+int(4)
+Array
+(
+    [&] => &amp;
+    [>] => &gt;
+    [<] => &lt;
+    ["] => &quot;
+)
+-- with table = HTML_SPECIALCHARS, ENT_QUOTES --
+array(5) {
+  ["&"]=>
+  string(5) "&amp;"
+  ["'"]=>
+  string(6) "&apos;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --
+array(3) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic8.phpt b/tests/std/strings/get_html_translation_table_basic8.phpt
new file mode 100644
index 00000000..a3813262
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic8.phpt
@@ -0,0 +1,93 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - XML 1.0
+--FILE--
+<?php
+echo "*** Testing get_html_translation_table() : basic functionality/XML 1.0 ***\n";
+
+echo "-- with table = HTML_ENTITIES, ENT_QUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_XML1, "UTF-8");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_ENTITIES, ENT_COMPAT --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT | ENT_XML1, "UTF-8");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_ENTITIES, ENT_NOQUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_XML1, "UTF-8");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_COMPAT --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "UTF-8");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_QUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_XML1, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_XML1, "UTF-8");
+asort( $tt );
+var_dump( $tt );
+
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality/XML 1.0 ***
+-- with table = HTML_ENTITIES, ENT_QUOTES --
+int(5)
+Array
+(
+    [&] => &amp;
+    ['] => &apos;
+    [>] => &gt;
+    [<] => &lt;
+    ["] => &quot;
+)
+-- with table = HTML_ENTITIES, ENT_COMPAT --
+int(4)
+-- with table = HTML_ENTITIES, ENT_NOQUOTES --
+int(3)
+-- with table = HTML_SPECIALCHARS, ENT_COMPAT --
+int(4)
+Array
+(
+    [&] => &amp;
+    [>] => &gt;
+    [<] => &lt;
+    ["] => &quot;
+)
+-- with table = HTML_SPECIALCHARS, ENT_QUOTES --
+array(5) {
+  ["&"]=>
+  string(5) "&amp;"
+  ["'"]=>
+  string(6) "&apos;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --
+array(3) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+}
+Done
diff --git a/tests/std/strings/get_html_translation_table_basic9.phpt b/tests/std/strings/get_html_translation_table_basic9.phpt
new file mode 100644
index 00000000..595d8fd9
--- /dev/null
+++ b/tests/std/strings/get_html_translation_table_basic9.phpt
@@ -0,0 +1,95 @@
+--TEST--
+Test get_html_translation_table() function : basic functionality - HTML5 /sjis
+--FILE--
+<?php
+echo "*** Testing get_html_translation_table() : basic functionality/HTML5/SJIS ***\n";
+echo "*** Only basic entities supported! ***\n";
+
+echo "-- with table = HTML_ENTITIES, ENT_QUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_HTML5, "SJIS");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_ENTITIES, ENT_COMPAT --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_COMPAT | ENT_HTML5, "SJIS");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_ENTITIES, ENT_NOQUOTES --\n";
+$table = HTML_ENTITIES;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_HTML5, "SJIS");
+var_dump( count($tt) );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_COMPAT --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_COMPAT, "SJIS");
+asort( $tt );
+var_dump( count($tt) );
+print_r( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_QUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_QUOTES | ENT_HTML5, "SJIS");
+asort( $tt );
+var_dump( $tt );
+
+echo "-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --\n";
+$table = HTML_SPECIALCHARS;
+$tt = get_html_translation_table($table, ENT_NOQUOTES | ENT_HTML5, "SJIS");
+asort( $tt );
+var_dump( $tt );
+
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing get_html_translation_table() : basic functionality/HTML5/SJIS ***
+*** Only basic entities supported! ***
+-- with table = HTML_ENTITIES, ENT_QUOTES --
+int(5)
+Array
+(
+    [&] => &amp;
+    ['] => &apos;
+    [>] => &gt;
+    [<] => &lt;
+    ["] => &quot;
+)
+-- with table = HTML_ENTITIES, ENT_COMPAT --
+int(4)
+-- with table = HTML_ENTITIES, ENT_NOQUOTES --
+int(3)
+-- with table = HTML_SPECIALCHARS, ENT_COMPAT --
+int(4)
+Array
+(
+    [&] => &amp;
+    [>] => &gt;
+    [<] => &lt;
+    ["] => &quot;
+)
+-- with table = HTML_SPECIALCHARS, ENT_QUOTES --
+array(5) {
+  ["&"]=>
+  string(5) "&amp;"
+  ["'"]=>
+  string(6) "&apos;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+  ["""]=>
+  string(6) "&quot;"
+}
+-- with table = HTML_SPECIALCHARS, ENT_NOQUOTES --
+array(3) {
+  ["&"]=>
+  string(5) "&amp;"
+  [">"]=>
+  string(4) "&gt;"
+  ["<"]=>
+  string(4) "&lt;"
+}
+Done
diff --git a/tests/std/strings/get_meta_tags.phpt b/tests/std/strings/get_meta_tags.phpt
new file mode 100644
index 00000000..8752117a
--- /dev/null
+++ b/tests/std/strings/get_meta_tags.phpt
@@ -0,0 +1,95 @@
+--TEST--
+get_meta_tags() tests
+--FILE--
+<?php
+
+$filename = __DIR__."/get_meta_tags.html";
+
+$data = <<<DATA
+<meta name="author" content="name">
+<meta name="keywords" content="php documentation">
+<meta name="DESCRIPTION" content="a php manual">
+<meta name="geo.position" content="49.33;-86.59">
+</head> <!-- parsing stops here -->
+DATA;
+
+$data1 = <<<DATA
+<html>
+    <head>
+        <meta name="author" content="name">
+        <meta name="keywords" content="php documentation">
+        <meta name="DESCRIPTION" content="a php manual">
+        <meta name="geo.position" content="49.33;-86.59">
+    </head>
+    <body>
+        <meta name="author" content="name1">
+        <meta name="keywords" content="php documentation1">
+        <meta name="DESCRIPTION" content="a php manual1">
+        <meta name="geo.position" content="49.33;-86.591">
+    </body>
+</html>
+DATA;
+
+$data2 = <<<DATA
+<meta name="author" content="name"
+<meta name="keywords" content="php documentation">
+DATA;
+
+$data3 = <<<DATA
+<meta <meta name="keywords" content="php documentation">
+DATA;
+
+$data4 = <<<DATA
+<meta name="author" content="name"
+<meta name="keywords" content="php documentation"
+DATA;
+
+$array = array($data, $data1, $data2, $data3, $data4, "", "<>", "<meta<<<<<");
+
+foreach ($array as $html) {
+    file_put_contents($filename, $html);
+    var_dump(get_meta_tags($filename));
+}
+
+@unlink($filename);
+
+echo "Done\n";
+?>
+--EXPECT--
+array(4) {
+  ["author"]=>
+  string(4) "name"
+  ["keywords"]=>
+  string(17) "php documentation"
+  ["description"]=>
+  string(12) "a php manual"
+  ["geo_position"]=>
+  string(12) "49.33;-86.59"
+}
+array(4) {
+  ["author"]=>
+  string(4) "name"
+  ["keywords"]=>
+  string(17) "php documentation"
+  ["description"]=>
+  string(12) "a php manual"
+  ["geo_position"]=>
+  string(12) "49.33;-86.59"
+}
+array(1) {
+  ["keywords"]=>
+  string(17) "php documentation"
+}
+array(1) {
+  ["keywords"]=>
+  string(17) "php documentation"
+}
+array(0) {
+}
+array(0) {
+}
+array(0) {
+}
+array(0) {
+}
+Done
diff --git a/tests/std/strings/gh10187.phpt b/tests/std/strings/gh10187.phpt
new file mode 100644
index 00000000..b42c95e5
--- /dev/null
+++ b/tests/std/strings/gh10187.phpt
@@ -0,0 +1,8 @@
+--TEST--
+GH-10187 (Segfault in stripslashes() with arm64)
+--FILE--
+<?php
+var_dump(stripslashes("1234567890abcde\\"));
+?>
+--EXPECT--
+string(15) "1234567890abcde"
diff --git a/tests/std/strings/gh10940.phpt b/tests/std/strings/gh10940.phpt
new file mode 100644
index 00000000..ec6c56b8
--- /dev/null
+++ b/tests/std/strings/gh10940.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Test unpacking at the 32-bit integer limit
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+$a = pack("AAAAAAAAAAAA", 1,2,3,4,5,6,7,8,9,10,11,12);
+unpack('h2147483647', $a);
+?>
+--EXPECTF--
+Warning: unpack(): Type h: not enough input values, need 1073741824 values but only 12 were provided in %s on line %d
diff --git a/tests/std/strings/gh11982.phpt b/tests/std/strings/gh11982.phpt
new file mode 100644
index 00000000..e5e45e7e
--- /dev/null
+++ b/tests/std/strings/gh11982.phpt
@@ -0,0 +1,26 @@
+--TEST--
+GH-11982 (str_getcsv returns null byte for unterminated quoted string)
+--FILE--
+<?php
+var_dump(str_getcsv('"', escape: ''));
+var_dump(str_getcsv('"field","', escape: ''));
+var_dump(str_getcsv('"","a', escape: ''));
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  string(0) ""
+}
+array(2) {
+  [0]=>
+  string(5) "field"
+  [1]=>
+  string(0) ""
+}
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  string(1) "a"
+}
+
diff --git a/tests/std/strings/gh12151.phpt b/tests/std/strings/gh12151.phpt
new file mode 100644
index 00000000..6a21f205
--- /dev/null
+++ b/tests/std/strings/gh12151.phpt
@@ -0,0 +1,16 @@
+--TEST--
+GH-12151 (str_getcsv ending with escape zero segfualt)
+--FILE--
+<?php
+var_export(str_getcsv("y",",","y","\000"));
+echo "\n";
+var_export(str_getcsv("\0yy","y","y","\0"));
+?>
+--EXPECT--
+array (
+  0 => '' . "\0" . '',
+)
+array (
+  0 => '' . "\0" . '',
+  1 => '' . "\0" . '',
+)
diff --git a/tests/std/strings/gh15552.phpt b/tests/std/strings/gh15552.phpt
new file mode 100644
index 00000000..60804e02
--- /dev/null
+++ b/tests/std/strings/gh15552.phpt
@@ -0,0 +1,9 @@
+--TEST--
+Bug GH-15552 (Signed integer overflow in ext/standard/scanf.c)
+--FILE--
+<?php
+var_dump(sscanf('hello','%2147483648$s'));
+?>
+--EXPECTF--
+Fatal error: Uncaught ValueError: "%n$" argument index out of range in %s:%d
+Stack trace:%A
diff --git a/tests/std/strings/gh15613.phpt b/tests/std/strings/gh15613.phpt
new file mode 100644
index 00000000..44c41acf
--- /dev/null
+++ b/tests/std/strings/gh15613.phpt
@@ -0,0 +1,26 @@
+--TEST--
+GH-15613 overflow on hex strings repeater value
+--SKIPIF--
+<?php
+if (!getenv('RUN_RESOURCE_HEAVY_TESTS')) die('skip resource-heavy test');
+if (PHP_INT_SIZE != 8) die("skip this test is for 64 bit platform only");
+?>
+--INI--
+memory_limit=-1
+--FILE--
+<?php
+try {
+	unpack('h2147483647', str_repeat('X', 2**31 + 10));
+} catch (\ValueError $e) {
+	echo $e->getMessage() . PHP_EOL;
+}
+
+try {
+	unpack('H2147483647', str_repeat('X', 2**31 + 10));
+} catch (\ValueError $e) {
+	echo $e->getMessage();
+}
+?>
+--EXPECTF--
+unpack(): Argument #1 ($format) repeater must be less than or equal to %d
+unpack(): Argument #1 ($format) repeater must be less than or equal to %d
diff --git a/tests/std/strings/gh18823_strict.phpt b/tests/std/strings/gh18823_strict.phpt
new file mode 100644
index 00000000..e4aa0dbf
--- /dev/null
+++ b/tests/std/strings/gh18823_strict.phpt
@@ -0,0 +1,23 @@
+--TEST--
+GH-18823 (setlocale's 2nd and 3rd argument ignores strict_types) - strict mode
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+declare(strict_types=1);
+try {
+    setlocale(LC_ALL, 0, "0");
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    setlocale(LC_ALL, "0", 0);
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+setlocale(): Argument #2 ($locales) must be of type array|string|null, int given
+setlocale(): Argument #3 must be of type array|string|null, int given
diff --git a/tests/std/strings/gh18823_weak.phpt b/tests/std/strings/gh18823_weak.phpt
new file mode 100644
index 00000000..fa085988
--- /dev/null
+++ b/tests/std/strings/gh18823_weak.phpt
@@ -0,0 +1,35 @@
+--TEST--
+GH-18823 (setlocale's 2nd and 3rd argument ignores strict_types) - weak mode
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+error_reporting=E_ALL
+--FILE--
+<?php
+class MyStringable {
+    public function __toString(): string {
+        return 'foo';
+    }
+}
+
+class MyStringableThrow {
+    public function __toString(): string {
+        throw new Error('no');
+    }
+}
+
+setlocale(LC_ALL, 0, "0");
+setlocale(LC_ALL, "0", 0);
+setlocale(LC_ALL, null);
+setlocale(LC_ALL, new MyStringable);
+
+try {
+    setlocale(LC_ALL, new MyStringableThrow);
+} catch (Error $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+no
diff --git a/tests/std/strings/gh18897.phpt b/tests/std/strings/gh18897.phpt
new file mode 100644
index 00000000..f35bb5a9
--- /dev/null
+++ b/tests/std/strings/gh18897.phpt
@@ -0,0 +1,14 @@
+--TEST--
+GH-18897 (printf: empty precision is interpreted as precision 6, not as precision 0)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+printf("%.f\n", 3.1415926535);
+printf("%.0f\n", 3.1415926535);
+?>
+--EXPECT--
+3
+3
diff --git a/tests/std/strings/gh18976.phpt b/tests/std/strings/gh18976.phpt
new file mode 100644
index 00000000..099ff94c
--- /dev/null
+++ b/tests/std/strings/gh18976.phpt
@@ -0,0 +1,18 @@
+--TEST--
+GH-18976 (pack overflow with h/H format)
+--INI--
+memory_limit=-1
+--SKIPIF--
+<?php
+if (!getenv('RUN_RESOURCE_HEAVY_TESTS')) die('skip resource-heavy test');
+?>
+--FILE--
+<?php
+pack('h2147483647', 1);
+pack('H2147483647', 1);
+?>
+--EXPECTF--
+
+Warning: pack(): Type h: not enough characters in string in %s on line %d
+
+Warning: pack(): Type H: not enough characters in string in %s on line %d
diff --git a/tests/std/strings/gh19070.phpt b/tests/std/strings/gh19070.phpt
new file mode 100644
index 00000000..e4469644
--- /dev/null
+++ b/tests/std/strings/gh19070.phpt
@@ -0,0 +1,8 @@
+--TEST--
+GH-19070 (setlocale($type, NULL) should not be deprecated)
+--FILE--
+<?php
+var_dump(setlocale(LC_ALL, null));
+?>
+--EXPECTF--
+string(%d) "%s"
diff --git a/tests/std/strings/gh20906_1.phpt b/tests/std/strings/gh20906_1.phpt
new file mode 100644
index 00000000..fe5cde86
--- /dev/null
+++ b/tests/std/strings/gh20906_1.phpt
@@ -0,0 +1,29 @@
+--TEST--
+GH-20906 (Assertion failure when messing up output buffers) - php_strip_whitespace
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+vi3tL0u1s
+--FILE--
+<?php
+class A {
+    function __destruct() {
+        php_strip_whitespace(__FILE__);
+        echo "x";
+        $c = new A;
+        ob_start(function () use ($c) { return '/'; }, 1);
+        ob_start(function () use (&$c) { $c = new A; return '/'; }, 1);
+    }
+}
+
+try {
+  new A;
+} catch (Throwable $e) {
+  echo $e::class, ": ", $e->getMessage(), "\n";
+}
+?>
+--EXPECTF--
+%a
+Fatal error: php_strip_whitespace(): Cannot use output buffering in output buffering display handlers in %s on line %d
diff --git a/tests/std/strings/gh20906_2.phpt b/tests/std/strings/gh20906_2.phpt
new file mode 100644
index 00000000..c32918b6
--- /dev/null
+++ b/tests/std/strings/gh20906_2.phpt
@@ -0,0 +1,25 @@
+--TEST--
+GH-20906 (Assertion failure when messing up output buffers) - highlight_file
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+vi3tL0u1s
+--FILE--
+<?php
+class A {
+    function __destruct() {
+        highlight_file(__FILE__, true);
+        echo "x";
+        $c = new A;
+        ob_start(function () use ($c) { return '/'; }, 1);
+        ob_start(function () use (&$c) { $c = new A; return '/'; }, 1);
+    }
+}
+
+new A;
+?>
+--EXPECTF--
+%a
+Fatal error: highlight_file(): Cannot use output buffering in output buffering display handlers in %s on line %d
diff --git a/tests/std/strings/gh20906_3.phpt b/tests/std/strings/gh20906_3.phpt
new file mode 100644
index 00000000..455ca2da
--- /dev/null
+++ b/tests/std/strings/gh20906_3.phpt
@@ -0,0 +1,25 @@
+--TEST--
+GH-20906 (Assertion failure when messing up output buffers) - highlight_string
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+vi3tL0u1s
+--FILE--
+<?php
+class A {
+    function __destruct() {
+        highlight_string(__FILE__, true);
+        echo "x";
+        $c = new A;
+        ob_start(function () use ($c) { return '/'; }, 1);
+        ob_start(function () use (&$c) { $c = new A; return '/'; }, 1);
+    }
+}
+
+new A;
+?>
+--EXPECTF--
+%a
+Fatal error: highlight_string(): Cannot use output buffering in output buffering display handlers in %s on line %d
diff --git a/tests/std/strings/hebrev_basic.phpt b/tests/std/strings/hebrev_basic.phpt
new file mode 100644
index 00000000..9a6cbedc
--- /dev/null
+++ b/tests/std/strings/hebrev_basic.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test hebrev() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing hebrev() : basic functionality ***\n";
+
+$hebrew_text = "The hebrev function converts logical Hebrew text to visual text.\nThe function tries to avoid breaking words.\n";
+
+var_dump(hebrev($hebrew_text));
+var_dump(hebrev($hebrew_text, 15));
+
+?>
+--EXPECT--
+*** Testing hebrev() : basic functionality ***
+string(109) ".The hebrev function converts logical Hebrew text to visual text
+.The function tries to avoid breaking words
+"
+string(109) "to visual text
+Hebrew text
+logical
+converts
+hebrev function
+.The
+breaking words
+tries to avoid
+.The function
+"
diff --git a/tests/std/strings/hex2bin_basic.phpt b/tests/std/strings/hex2bin_basic.phpt
new file mode 100644
index 00000000..c8c54d24
--- /dev/null
+++ b/tests/std/strings/hex2bin_basic.phpt
@@ -0,0 +1,18 @@
+--TEST--
+hex2bin(); function test
+--CREDITS--
+edgarsandi - <edgar.r.sandi@gmail.com>
+--FILE--
+<?php
+
+var_dump(bin2hex(hex2bin('012345')) == '012345');
+var_dump(bin2hex(hex2bin('abc123')) == 'abc123');
+var_dump(bin2hex(hex2bin('123abc')) == '123abc');
+var_dump(bin2hex(hex2bin('FFFFFF')) == 'ffffff');
+
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
diff --git a/tests/std/strings/hex2bin_error.phpt b/tests/std/strings/hex2bin_error.phpt
new file mode 100644
index 00000000..6c418d9e
--- /dev/null
+++ b/tests/std/strings/hex2bin_error.phpt
@@ -0,0 +1,19 @@
+--TEST--
+hex2bin(); function test
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--CREDITS--
+edgarsandi - <edgar.r.sandi@gmail.com>
+--FILE--
+<?php
+var_dump(hex2bin('AH'));
+var_dump(hex2bin('HA'));
+?>
+--EXPECTF--
+Warning: hex2bin(): Input string must be hexadecimal string in %s on line %d
+bool(false)
+
+Warning: hex2bin(): Input string must be hexadecimal string in %s on line %d
+bool(false)
diff --git a/tests/std/strings/highlight_file.phpt b/tests/std/strings/highlight_file.phpt
new file mode 100644
index 00000000..1ecd8810
--- /dev/null
+++ b/tests/std/strings/highlight_file.phpt
@@ -0,0 +1,59 @@
+--TEST--
+highlight_file() tests
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+highlight.string=#DD0000
+highlight.comment=#FF9900
+highlight.keyword=#007700
+highlight.default=#0000BB
+highlight.html=#000000
+allow_url_include=1
+allow_url_fopen=1
+--FILE--
+<?php
+
+$filename = __DIR__."/highlight_file.dat";
+
+var_dump(highlight_file($filename));
+
+var_dump(highlight_file('data:,<?php echo "test"; ?>'));
+
+var_dump(highlight_file('data:,<?php echo "test ?>'));
+
+$data = '
+<?php
+class test {
+    public $var = 1;
+    private function foo() { echo "foo"; }
+    public function bar() { var_dump(test::foo()); }
+}
+?>';
+
+file_put_contents($filename, $data);
+var_dump(highlight_file($filename));
+
+
+@unlink($filename);
+echo "Done\n";
+?>
+--EXPECTF--
+Deprecated: Directive 'allow_url_include' is deprecated in Unknown on line 0
+
+Warning: highlight_file(%shighlight_file.dat): Failed to open stream: No such file or directory in %s on line %d
+
+Warning: highlight_file(): Failed opening '%shighlight_file.dat' for highlighting in %s on line %d
+bool(false)
+<pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php </span><span style="color: #007700">echo </span><span style="color: #DD0000">"test"</span><span style="color: #007700">; </span><span style="color: #0000BB">?&gt;</span></code></pre>bool(true)
+<pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php </span><span style="color: #007700">echo </span><span style="color: #DD0000">"test ?&gt;</span></code></pre>bool(true)
+<pre><code style="color: #000000">
+<span style="color: #0000BB">&lt;?php
+</span><span style="color: #007700">class </span><span style="color: #0000BB">test </span><span style="color: #007700">{
+    public </span><span style="color: #0000BB">$var </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">;
+    private function </span><span style="color: #0000BB">foo</span><span style="color: #007700">() { echo </span><span style="color: #DD0000">"foo"</span><span style="color: #007700">; }
+    public function </span><span style="color: #0000BB">bar</span><span style="color: #007700">() { </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">test</span><span style="color: #007700">::</span><span style="color: #0000BB">foo</span><span style="color: #007700">()); }
+}
+</span><span style="color: #0000BB">?&gt;</span></code></pre>bool(true)
+Done
diff --git a/tests/std/strings/html_entity_decode1.phpt b/tests/std/strings/html_entity_decode1.phpt
new file mode 100644
index 00000000..fb935f87
--- /dev/null
+++ b/tests/std/strings/html_entity_decode1.phpt
@@ -0,0 +1,68 @@
+--TEST--
+html_entity_decode: Decoding of entities after invalid entities
+--FILE--
+<?php
+$arr = array(
+    "&",
+    "&&amp;",
+    "&&#x24;",
+    "&#&amp;",
+    "&#&#x24;",
+    "&#x&amp;",
+    "&#x&#x24;",
+    "&#x1&amp;",
+    "&#x1&#x24;",
+    "&#x20&amp;",
+    "&#x20&#x24;",
+    "&#1&amp;",
+    "&#1&#x24;",
+    "&#20&amp;",
+    "&#20&#x24;",
+    "&a&amp;",
+    "&a&#x24;",
+    "&aa&amp;",
+    "&aa&#x24;",
+    "&aa;&amp;",
+    "&aa;&#x24;",
+    "&;&amp;",
+    "&;&#x24;",
+);
+
+$i = 0;
+foreach ($arr as $ent) {
+    if ($i % 2 == 1) {
+        if (($a = html_entity_decode($ent, ENT_QUOTES, 'UTF-8')) !=
+                ($b = htmlspecialchars_decode($ent, ENT_QUOTES))) {
+            echo "htmlspecialchars_decode <-> html_entity_decode inconsistency","\n",
+                 "$b <-> $a","\n";
+        }
+    }
+    echo html_entity_decode($ent, ENT_QUOTES, 'UTF-8'), "\n";
+}
+echo "Done.\n";
+?>
+--EXPECT--
+&
+&&
+&$
+&#&
+&#$
+&#x&
+&#x$
+&#x1&
+&#x1$
+&#x20&
+&#x20$
+&#1&
+&#1$
+&#20&
+&#20$
+&a&
+&a$
+&aa&
+&aa$
+&aa;&
+&aa;$
+&;&
+&;$
+Done.
diff --git a/tests/std/strings/html_entity_decode2.phpt b/tests/std/strings/html_entity_decode2.phpt
new file mode 100644
index 00000000..b900b20b
--- /dev/null
+++ b/tests/std/strings/html_entity_decode2.phpt
@@ -0,0 +1,34 @@
+--TEST--
+html_entity_decode: Handling of &apos;
+--FILE--
+<?php
+
+echo "*** HTML 4.01 implicit (shouldn't decode) ***\n";
+echo html_entity_decode("&apos;", ENT_QUOTES, "UTF-8"), "\n";
+
+echo "*** HTML 4.01 (shouldn't decode) ***\n";
+echo html_entity_decode("&apos;", ENT_QUOTES | ENT_HTML401, "UTF-8"), "\n";
+
+echo "*** HTML 5 ***\n";
+echo html_entity_decode("&apos;", ENT_QUOTES | ENT_HTML5, "UTF-8"), "\n";
+
+echo "*** XHTML 1.0 ***\n";
+echo html_entity_decode("&apos;", ENT_QUOTES | ENT_XHTML, "UTF-8"), "\n";
+
+echo "*** XML 1.0 ***\n";
+echo html_entity_decode("&apos;", ENT_QUOTES | ENT_XML1, "UTF-8"), "\n";
+
+echo "Done.\n";
+?>
+--EXPECT--
+*** HTML 4.01 implicit (shouldn't decode) ***
+&apos;
+*** HTML 4.01 (shouldn't decode) ***
+&apos;
+*** HTML 5 ***
+'
+*** XHTML 1.0 ***
+'
+*** XML 1.0 ***
+'
+Done.
diff --git a/tests/std/strings/html_entity_decode3.phpt b/tests/std/strings/html_entity_decode3.phpt
new file mode 100644
index 00000000..6b5efd8f
--- /dev/null
+++ b/tests/std/strings/html_entity_decode3.phpt
@@ -0,0 +1,239 @@
+--TEST--
+html_entity_decode: Do not decode numerical entities that refer to non-SGML or otherwise disallowed chars
+--FILE--
+<?php
+
+$tests = array(
+    "&#0;", //C0
+    "&#1;",
+    "&#x09;",
+    "&#x0A;",
+    "&#x0B;",
+    "&#x0C;",
+    "&#x0D;", //note that HTML5 is unique in that it forbids this entity, but allows a literal U+0D
+    "&#x0E;",
+    "&#x1F;",
+    "&#x20;", //allowed always
+    "&#x27;", //single quote, depends on flags
+    "&#x7F;", //DEL
+    "&#x80;", //C1
+    "&#x9F;",
+    "&#xA0;", //allowed always
+    "&#xD7FF;", //surrogates
+    "&#xD800;",
+    "&#xDFFF;",
+    "&#xE000;", //allowed always
+    "&#xFFFE;", //nonchar
+    "&#xFFFF;",
+    "&#xFDCF;", //allowed always
+    "&#xFDD0;", //nonchar
+    "&#xFDEF;",
+    "&#xFDF0;", //allowed always
+    "&#x2FFFE;", //nonchar
+    "&#x2FFFF;",
+);
+
+echo "*** HTML 4.01  ***\n";
+
+foreach ($tests as $t) {
+    $dec = html_entity_decode($t, ENT_QUOTES | ENT_HTML401, "UTF-8");
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** XHTML 1.0  ***\n";
+
+foreach ($tests as $t) {
+    $dec = html_entity_decode($t, ENT_QUOTES | ENT_XHTML, "UTF-8");
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** HTML5  ***\n";
+
+foreach ($tests as $t) {
+    $dec = html_entity_decode($t, ENT_QUOTES | ENT_HTML5, "UTF-8");
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** XML 1.0  ***\n";
+
+foreach ($tests as $t) {
+    $dec = html_entity_decode($t, ENT_QUOTES | ENT_XML1, "UTF-8");
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** Default options ***\n";
+
+foreach ($tests as $t) {
+    $dec = html_entity_decode($t);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\nDone.\n";
+?>
+--EXPECT--
+*** HTML 4.01  ***
+&#0;	NOT DECODED
+&#1;	NOT DECODED
+&#x09;	DECODED
+&#x0A;	DECODED
+&#x0B;	NOT DECODED
+&#x0C;	NOT DECODED
+&#x0D;	DECODED
+&#x0E;	NOT DECODED
+&#x1F;	NOT DECODED
+&#x20;	DECODED
+&#x27;	DECODED
+&#x7F;	NOT DECODED
+&#x80;	NOT DECODED
+&#x9F;	NOT DECODED
+&#xA0;	DECODED
+&#xD7FF;	DECODED
+&#xD800;	NOT DECODED
+&#xDFFF;	NOT DECODED
+&#xE000;	DECODED
+&#xFFFE;	DECODED
+&#xFFFF;	DECODED
+&#xFDCF;	DECODED
+&#xFDD0;	DECODED
+&#xFDEF;	DECODED
+&#xFDF0;	DECODED
+&#x2FFFE;	DECODED
+&#x2FFFF;	DECODED
+
+*** XHTML 1.0  ***
+&#0;	NOT DECODED
+&#1;	NOT DECODED
+&#x09;	DECODED
+&#x0A;	DECODED
+&#x0B;	NOT DECODED
+&#x0C;	NOT DECODED
+&#x0D;	DECODED
+&#x0E;	NOT DECODED
+&#x1F;	NOT DECODED
+&#x20;	DECODED
+&#x27;	DECODED
+&#x7F;	DECODED
+&#x80;	DECODED
+&#x9F;	DECODED
+&#xA0;	DECODED
+&#xD7FF;	DECODED
+&#xD800;	NOT DECODED
+&#xDFFF;	NOT DECODED
+&#xE000;	DECODED
+&#xFFFE;	NOT DECODED
+&#xFFFF;	NOT DECODED
+&#xFDCF;	DECODED
+&#xFDD0;	DECODED
+&#xFDEF;	DECODED
+&#xFDF0;	DECODED
+&#x2FFFE;	DECODED
+&#x2FFFF;	DECODED
+
+*** HTML5  ***
+&#0;	NOT DECODED
+&#1;	NOT DECODED
+&#x09;	DECODED
+&#x0A;	DECODED
+&#x0B;	NOT DECODED
+&#x0C;	DECODED
+&#x0D;	NOT DECODED
+&#x0E;	NOT DECODED
+&#x1F;	NOT DECODED
+&#x20;	DECODED
+&#x27;	DECODED
+&#x7F;	NOT DECODED
+&#x80;	NOT DECODED
+&#x9F;	NOT DECODED
+&#xA0;	DECODED
+&#xD7FF;	DECODED
+&#xD800;	NOT DECODED
+&#xDFFF;	NOT DECODED
+&#xE000;	DECODED
+&#xFFFE;	NOT DECODED
+&#xFFFF;	NOT DECODED
+&#xFDCF;	DECODED
+&#xFDD0;	NOT DECODED
+&#xFDEF;	NOT DECODED
+&#xFDF0;	DECODED
+&#x2FFFE;	NOT DECODED
+&#x2FFFF;	NOT DECODED
+
+*** XML 1.0  ***
+&#0;	NOT DECODED
+&#1;	NOT DECODED
+&#x09;	DECODED
+&#x0A;	DECODED
+&#x0B;	NOT DECODED
+&#x0C;	NOT DECODED
+&#x0D;	DECODED
+&#x0E;	NOT DECODED
+&#x1F;	NOT DECODED
+&#x20;	DECODED
+&#x27;	DECODED
+&#x7F;	DECODED
+&#x80;	DECODED
+&#x9F;	DECODED
+&#xA0;	DECODED
+&#xD7FF;	DECODED
+&#xD800;	NOT DECODED
+&#xDFFF;	NOT DECODED
+&#xE000;	DECODED
+&#xFFFE;	NOT DECODED
+&#xFFFF;	NOT DECODED
+&#xFDCF;	DECODED
+&#xFDD0;	DECODED
+&#xFDEF;	DECODED
+&#xFDF0;	DECODED
+&#x2FFFE;	DECODED
+&#x2FFFF;	DECODED
+
+*** Default options ***
+&#0;	NOT DECODED
+&#1;	NOT DECODED
+&#x09;	DECODED
+&#x0A;	DECODED
+&#x0B;	NOT DECODED
+&#x0C;	NOT DECODED
+&#x0D;	DECODED
+&#x0E;	NOT DECODED
+&#x1F;	NOT DECODED
+&#x20;	DECODED
+&#x27;	DECODED
+&#x7F;	NOT DECODED
+&#x80;	NOT DECODED
+&#x9F;	NOT DECODED
+&#xA0;	DECODED
+&#xD7FF;	DECODED
+&#xD800;	NOT DECODED
+&#xDFFF;	NOT DECODED
+&#xE000;	DECODED
+&#xFFFE;	DECODED
+&#xFFFF;	DECODED
+&#xFDCF;	DECODED
+&#xFDD0;	DECODED
+&#xFDEF;	DECODED
+&#xFDF0;	DECODED
+&#x2FFFE;	DECODED
+&#x2FFFF;	DECODED
+
+Done.
diff --git a/tests/std/strings/html_entity_decode_cp866.phpt b/tests/std/strings/html_entity_decode_cp866.phpt
new file mode 100644
index 00000000..5fd2db6b
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_cp866.phpt
@@ -0,0 +1,532 @@
+--TEST--
+Translation of HTML entities for encoding CP866
+--FILE--
+<?php
+$arr = array(
+0x0410 => array(0x80, "CYRILLIC CAPITAL LETTER A"),
+0x0411 => array(0x81, "CYRILLIC CAPITAL LETTER BE"),
+0x0412 => array(0x82, "CYRILLIC CAPITAL LETTER VE"),
+0x0413 => array(0x83, "CYRILLIC CAPITAL LETTER GHE"),
+0x0414 => array(0x84, "CYRILLIC CAPITAL LETTER DE"),
+0x0415 => array(0x85, "CYRILLIC CAPITAL LETTER IE"),
+0x0416 => array(0x86, "CYRILLIC CAPITAL LETTER ZHE"),
+0x0417 => array(0x87, "CYRILLIC CAPITAL LETTER ZE"),
+0x0418 => array(0x88, "CYRILLIC CAPITAL LETTER I"),
+0x0419 => array(0x89, "CYRILLIC CAPITAL LETTER SHORT I"),
+0x041a => array(0x8a, "CYRILLIC CAPITAL LETTER KA"),
+0x041b => array(0x8b, "CYRILLIC CAPITAL LETTER EL"),
+0x041c => array(0x8c, "CYRILLIC CAPITAL LETTER EM"),
+0x041d => array(0x8d, "CYRILLIC CAPITAL LETTER EN"),
+0x041e => array(0x8e, "CYRILLIC CAPITAL LETTER O"),
+0x041f => array(0x8f, "CYRILLIC CAPITAL LETTER PE"),
+0x0420 => array(0x90, "CYRILLIC CAPITAL LETTER ER"),
+0x0421 => array(0x91, "CYRILLIC CAPITAL LETTER ES"),
+0x0422 => array(0x92, "CYRILLIC CAPITAL LETTER TE"),
+0x0423 => array(0x93, "CYRILLIC CAPITAL LETTER U"),
+0x0424 => array(0x94, "CYRILLIC CAPITAL LETTER EF"),
+0x0425 => array(0x95, "CYRILLIC CAPITAL LETTER HA"),
+0x0426 => array(0x96, "CYRILLIC CAPITAL LETTER TSE"),
+0x0427 => array(0x97, "CYRILLIC CAPITAL LETTER CHE"),
+0x0428 => array(0x98, "CYRILLIC CAPITAL LETTER SHA"),
+0x0429 => array(0x99, "CYRILLIC CAPITAL LETTER SHCHA"),
+0x042a => array(0x9a, "CYRILLIC CAPITAL LETTER HARD SIGN"),
+0x042b => array(0x9b, "CYRILLIC CAPITAL LETTER YERU"),
+0x042c => array(0x9c, "CYRILLIC CAPITAL LETTER SOFT SIGN"),
+0x042d => array(0x9d, "CYRILLIC CAPITAL LETTER E"),
+0x042e => array(0x9e, "CYRILLIC CAPITAL LETTER YU"),
+0x042f => array(0x9f, "CYRILLIC CAPITAL LETTER YA"),
+0x0430 => array(0xa0, "CYRILLIC SMALL LETTER A"),
+0x0431 => array(0xa1, "CYRILLIC SMALL LETTER BE"),
+0x0432 => array(0xa2, "CYRILLIC SMALL LETTER VE"),
+0x0433 => array(0xa3, "CYRILLIC SMALL LETTER GHE"),
+0x0434 => array(0xa4, "CYRILLIC SMALL LETTER DE"),
+0x0435 => array(0xa5, "CYRILLIC SMALL LETTER IE"),
+0x0436 => array(0xa6, "CYRILLIC SMALL LETTER ZHE"),
+0x0437 => array(0xa7, "CYRILLIC SMALL LETTER ZE"),
+0x0438 => array(0xa8, "CYRILLIC SMALL LETTER I"),
+0x0439 => array(0xa9, "CYRILLIC SMALL LETTER SHORT I"),
+0x043a => array(0xaa, "CYRILLIC SMALL LETTER KA"),
+0x043b => array(0xab, "CYRILLIC SMALL LETTER EL"),
+0x043c => array(0xac, "CYRILLIC SMALL LETTER EM"),
+0x043d => array(0xad, "CYRILLIC SMALL LETTER EN"),
+0x043e => array(0xae, "CYRILLIC SMALL LETTER O"),
+0x043f => array(0xaf, "CYRILLIC SMALL LETTER PE"),
+0x2591 => array(0xb0, "LIGHT SHADE"),
+0x2592 => array(0xb1, "MEDIUM SHADE"),
+0x2593 => array(0xb2, "DARK SHADE"),
+0x2502 => array(0xb3, "BOX DRAWINGS LIGHT VERTICAL"),
+0x2524 => array(0xb4, "BOX DRAWINGS LIGHT VERTICAL AND LEFT"),
+0x2561 => array(0xb5, "BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE"),
+0x2562 => array(0xb6, "BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE"),
+0x2556 => array(0xb7, "BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE"),
+0x2555 => array(0xb8, "BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE"),
+0x2563 => array(0xb9, "BOX DRAWINGS DOUBLE VERTICAL AND LEFT"),
+0x2551 => array(0xba, "BOX DRAWINGS DOUBLE VERTICAL"),
+0x2557 => array(0xbb, "BOX DRAWINGS DOUBLE DOWN AND LEFT"),
+0x255d => array(0xbc, "BOX DRAWINGS DOUBLE UP AND LEFT"),
+0x255c => array(0xbd, "BOX DRAWINGS UP DOUBLE AND LEFT SINGLE"),
+0x255b => array(0xbe, "BOX DRAWINGS UP SINGLE AND LEFT DOUBLE"),
+0x2510 => array(0xbf, "BOX DRAWINGS LIGHT DOWN AND LEFT"),
+0x2514 => array(0xc0, "BOX DRAWINGS LIGHT UP AND RIGHT"),
+0x2534 => array(0xc1, "BOX DRAWINGS LIGHT UP AND HORIZONTAL"),
+0x252c => array(0xc2, "BOX DRAWINGS LIGHT DOWN AND HORIZONTAL"),
+0x251c => array(0xc3, "BOX DRAWINGS LIGHT VERTICAL AND RIGHT"),
+0x2500 => array(0xc4, "BOX DRAWINGS LIGHT HORIZONTAL"),
+0x253c => array(0xc5, "BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL"),
+0x255e => array(0xc6, "BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE"),
+0x255f => array(0xc7, "BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE"),
+0x255a => array(0xc8, "BOX DRAWINGS DOUBLE UP AND RIGHT"),
+0x2554 => array(0xc9, "BOX DRAWINGS DOUBLE DOWN AND RIGHT"),
+0x2569 => array(0xca, "BOX DRAWINGS DOUBLE UP AND HORIZONTAL"),
+0x2566 => array(0xcb, "BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL"),
+0x2560 => array(0xcc, "BOX DRAWINGS DOUBLE VERTICAL AND RIGHT"),
+0x2550 => array(0xcd, "BOX DRAWINGS DOUBLE HORIZONTAL"),
+0x256c => array(0xce, "BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL"),
+0x2567 => array(0xcf, "BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE"),
+0x2568 => array(0xd0, "BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE"),
+0x2564 => array(0xd1, "BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE"),
+0x2565 => array(0xd2, "BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE"),
+0x2559 => array(0xd3, "BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE"),
+0x2558 => array(0xd4, "BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE"),
+0x2552 => array(0xd5, "BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE"),
+0x2553 => array(0xd6, "BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE"),
+0x256b => array(0xd7, "BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE"),
+0x256a => array(0xd8, "BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE"),
+0x2518 => array(0xd9, "BOX DRAWINGS LIGHT UP AND LEFT"),
+0x250c => array(0xda, "BOX DRAWINGS LIGHT DOWN AND RIGHT"),
+0x2588 => array(0xdb, "FULL BLOCK"),
+0x2584 => array(0xdc, "LOWER HALF BLOCK"),
+0x258c => array(0xdd, "LEFT HALF BLOCK"),
+0x2590 => array(0xde, "RIGHT HALF BLOCK"),
+0x2580 => array(0xdf, "UPPER HALF BLOCK"),
+0x0440 => array(0xe0, "CYRILLIC SMALL LETTER ER"),
+0x0441 => array(0xe1, "CYRILLIC SMALL LETTER ES"),
+0x0442 => array(0xe2, "CYRILLIC SMALL LETTER TE"),
+0x0443 => array(0xe3, "CYRILLIC SMALL LETTER U"),
+0x0444 => array(0xe4, "CYRILLIC SMALL LETTER EF"),
+0x0445 => array(0xe5, "CYRILLIC SMALL LETTER HA"),
+0x0446 => array(0xe6, "CYRILLIC SMALL LETTER TSE"),
+0x0447 => array(0xe7, "CYRILLIC SMALL LETTER CHE"),
+0x0448 => array(0xe8, "CYRILLIC SMALL LETTER SHA"),
+0x0449 => array(0xe9, "CYRILLIC SMALL LETTER SHCHA"),
+0x044a => array(0xea, "CYRILLIC SMALL LETTER HARD SIGN"),
+0x044b => array(0xeb, "CYRILLIC SMALL LETTER YERU"),
+0x044c => array(0xec, "CYRILLIC SMALL LETTER SOFT SIGN"),
+0x044d => array(0xed, "CYRILLIC SMALL LETTER E"),
+0x044e => array(0xee, "CYRILLIC SMALL LETTER YU"),
+0x044f => array(0xef, "CYRILLIC SMALL LETTER YA"),
+0x0401 => array(0xf0, "CYRILLIC CAPITAL LETTER IO"),
+0x0451 => array(0xf1, "CYRILLIC SMALL LETTER IO"),
+0x0404 => array(0xf2, "CYRILLIC CAPITAL LETTER UKRAINIAN IE"),
+0x0454 => array(0xf3, "CYRILLIC SMALL LETTER UKRAINIAN IE"),
+0x0407 => array(0xf4, "CYRILLIC CAPITAL LETTER YI"),
+0x0457 => array(0xf5, "CYRILLIC SMALL LETTER YI"),
+0x040e => array(0xf6, "CYRILLIC CAPITAL LETTER SHORT U"),
+0x045e => array(0xf7, "CYRILLIC SMALL LETTER SHORT U"),
+0x00b0 => array(0xf8, "DEGREE SIGN"),
+0x2219 => array(0xf9, "BULLET OPERATOR"),
+0x00b7 => array(0xfa, "MIDDLE DOT"),
+0x221a => array(0xfb, "SQUARE ROOT"),
+0x2116 => array(0xfc, "NUMERO SIGN"),
+0x00a4 => array(0xfd, "CURRENCY SIGN"),
+0x25a0 => array(0xfe, "BLACK SQUARE"),
+0x00a0 => array(0xff, "NO-BREAK SPACE"),
+);
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'CP866');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'CP866');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+CYRILLIC CAPITAL LETTER A: &#x410; => 80
+&#x80; => &#x80;
+
+CYRILLIC CAPITAL LETTER BE: &#x411; => 81
+&#x81; => &#x81;
+
+CYRILLIC CAPITAL LETTER VE: &#x412; => 82
+&#x82; => &#x82;
+
+CYRILLIC CAPITAL LETTER GHE: &#x413; => 83
+&#x83; => &#x83;
+
+CYRILLIC CAPITAL LETTER DE: &#x414; => 84
+&#x84; => &#x84;
+
+CYRILLIC CAPITAL LETTER IE: &#x415; => 85
+&#x85; => &#x85;
+
+CYRILLIC CAPITAL LETTER ZHE: &#x416; => 86
+&#x86; => &#x86;
+
+CYRILLIC CAPITAL LETTER ZE: &#x417; => 87
+&#x87; => &#x87;
+
+CYRILLIC CAPITAL LETTER I: &#x418; => 88
+&#x88; => &#x88;
+
+CYRILLIC CAPITAL LETTER SHORT I: &#x419; => 89
+&#x89; => &#x89;
+
+CYRILLIC CAPITAL LETTER KA: &#x41A; => 8a
+&#x8A; => &#x8A;
+
+CYRILLIC CAPITAL LETTER EL: &#x41B; => 8b
+&#x8B; => &#x8B;
+
+CYRILLIC CAPITAL LETTER EM: &#x41C; => 8c
+&#x8C; => &#x8C;
+
+CYRILLIC CAPITAL LETTER EN: &#x41D; => 8d
+&#x8D; => &#x8D;
+
+CYRILLIC CAPITAL LETTER O: &#x41E; => 8e
+&#x8E; => &#x8E;
+
+CYRILLIC CAPITAL LETTER PE: &#x41F; => 8f
+&#x8F; => &#x8F;
+
+CYRILLIC CAPITAL LETTER ER: &#x420; => 90
+&#x90; => &#x90;
+
+CYRILLIC CAPITAL LETTER ES: &#x421; => 91
+&#x91; => &#x91;
+
+CYRILLIC CAPITAL LETTER TE: &#x422; => 92
+&#x92; => &#x92;
+
+CYRILLIC CAPITAL LETTER U: &#x423; => 93
+&#x93; => &#x93;
+
+CYRILLIC CAPITAL LETTER EF: &#x424; => 94
+&#x94; => &#x94;
+
+CYRILLIC CAPITAL LETTER HA: &#x425; => 95
+&#x95; => &#x95;
+
+CYRILLIC CAPITAL LETTER TSE: &#x426; => 96
+&#x96; => &#x96;
+
+CYRILLIC CAPITAL LETTER CHE: &#x427; => 97
+&#x97; => &#x97;
+
+CYRILLIC CAPITAL LETTER SHA: &#x428; => 98
+&#x98; => &#x98;
+
+CYRILLIC CAPITAL LETTER SHCHA: &#x429; => 99
+&#x99; => &#x99;
+
+CYRILLIC CAPITAL LETTER HARD SIGN: &#x42A; => 9a
+&#x9A; => &#x9A;
+
+CYRILLIC CAPITAL LETTER YERU: &#x42B; => 9b
+&#x9B; => &#x9B;
+
+CYRILLIC CAPITAL LETTER SOFT SIGN: &#x42C; => 9c
+&#x9C; => &#x9C;
+
+CYRILLIC CAPITAL LETTER E: &#x42D; => 9d
+&#x9D; => &#x9D;
+
+CYRILLIC CAPITAL LETTER YU: &#x42E; => 9e
+&#x9E; => &#x9E;
+
+CYRILLIC CAPITAL LETTER YA: &#x42F; => 9f
+&#x9F; => &#x9F;
+
+CYRILLIC SMALL LETTER A: &#x430; => a0
+&#xA0; => ff
+
+CYRILLIC SMALL LETTER BE: &#x431; => a1
+&#xA1; => &#xA1;
+
+CYRILLIC SMALL LETTER VE: &#x432; => a2
+&#xA2; => &#xA2;
+
+CYRILLIC SMALL LETTER GHE: &#x433; => a3
+&#xA3; => &#xA3;
+
+CYRILLIC SMALL LETTER DE: &#x434; => a4
+&#xA4; => fd
+
+CYRILLIC SMALL LETTER IE: &#x435; => a5
+&#xA5; => &#xA5;
+
+CYRILLIC SMALL LETTER ZHE: &#x436; => a6
+&#xA6; => &#xA6;
+
+CYRILLIC SMALL LETTER ZE: &#x437; => a7
+&#xA7; => &#xA7;
+
+CYRILLIC SMALL LETTER I: &#x438; => a8
+&#xA8; => &#xA8;
+
+CYRILLIC SMALL LETTER SHORT I: &#x439; => a9
+&#xA9; => &#xA9;
+
+CYRILLIC SMALL LETTER KA: &#x43A; => aa
+&#xAA; => &#xAA;
+
+CYRILLIC SMALL LETTER EL: &#x43B; => ab
+&#xAB; => &#xAB;
+
+CYRILLIC SMALL LETTER EM: &#x43C; => ac
+&#xAC; => &#xAC;
+
+CYRILLIC SMALL LETTER EN: &#x43D; => ad
+&#xAD; => &#xAD;
+
+CYRILLIC SMALL LETTER O: &#x43E; => ae
+&#xAE; => &#xAE;
+
+CYRILLIC SMALL LETTER PE: &#x43F; => af
+&#xAF; => &#xAF;
+
+LIGHT SHADE: &#x2591; => b0
+&#xB0; => f8
+
+MEDIUM SHADE: &#x2592; => b1
+&#xB1; => &#xB1;
+
+DARK SHADE: &#x2593; => b2
+&#xB2; => &#xB2;
+
+BOX DRAWINGS LIGHT VERTICAL: &#x2502; => b3
+&#xB3; => &#xB3;
+
+BOX DRAWINGS LIGHT VERTICAL AND LEFT: &#x2524; => b4
+&#xB4; => &#xB4;
+
+BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE: &#x2561; => b5
+&#xB5; => &#xB5;
+
+BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE: &#x2562; => b6
+&#xB6; => &#xB6;
+
+BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE: &#x2556; => b7
+&#xB7; => fa
+
+BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE: &#x2555; => b8
+&#xB8; => &#xB8;
+
+BOX DRAWINGS DOUBLE VERTICAL AND LEFT: &#x2563; => b9
+&#xB9; => &#xB9;
+
+BOX DRAWINGS DOUBLE VERTICAL: &#x2551; => ba
+&#xBA; => &#xBA;
+
+BOX DRAWINGS DOUBLE DOWN AND LEFT: &#x2557; => bb
+&#xBB; => &#xBB;
+
+BOX DRAWINGS DOUBLE UP AND LEFT: &#x255D; => bc
+&#xBC; => &#xBC;
+
+BOX DRAWINGS UP DOUBLE AND LEFT SINGLE: &#x255C; => bd
+&#xBD; => &#xBD;
+
+BOX DRAWINGS UP SINGLE AND LEFT DOUBLE: &#x255B; => be
+&#xBE; => &#xBE;
+
+BOX DRAWINGS LIGHT DOWN AND LEFT: &#x2510; => bf
+&#xBF; => &#xBF;
+
+BOX DRAWINGS LIGHT UP AND RIGHT: &#x2514; => c0
+&#xC0; => &#xC0;
+
+BOX DRAWINGS LIGHT UP AND HORIZONTAL: &#x2534; => c1
+&#xC1; => &#xC1;
+
+BOX DRAWINGS LIGHT DOWN AND HORIZONTAL: &#x252C; => c2
+&#xC2; => &#xC2;
+
+BOX DRAWINGS LIGHT VERTICAL AND RIGHT: &#x251C; => c3
+&#xC3; => &#xC3;
+
+BOX DRAWINGS LIGHT HORIZONTAL: &#x2500; => c4
+&#xC4; => &#xC4;
+
+BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL: &#x253C; => c5
+&#xC5; => &#xC5;
+
+BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE: &#x255E; => c6
+&#xC6; => &#xC6;
+
+BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE: &#x255F; => c7
+&#xC7; => &#xC7;
+
+BOX DRAWINGS DOUBLE UP AND RIGHT: &#x255A; => c8
+&#xC8; => &#xC8;
+
+BOX DRAWINGS DOUBLE DOWN AND RIGHT: &#x2554; => c9
+&#xC9; => &#xC9;
+
+BOX DRAWINGS DOUBLE UP AND HORIZONTAL: &#x2569; => ca
+&#xCA; => &#xCA;
+
+BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL: &#x2566; => cb
+&#xCB; => &#xCB;
+
+BOX DRAWINGS DOUBLE VERTICAL AND RIGHT: &#x2560; => cc
+&#xCC; => &#xCC;
+
+BOX DRAWINGS DOUBLE HORIZONTAL: &#x2550; => cd
+&#xCD; => &#xCD;
+
+BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL: &#x256C; => ce
+&#xCE; => &#xCE;
+
+BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE: &#x2567; => cf
+&#xCF; => &#xCF;
+
+BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE: &#x2568; => d0
+&#xD0; => &#xD0;
+
+BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE: &#x2564; => d1
+&#xD1; => &#xD1;
+
+BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE: &#x2565; => d2
+&#xD2; => &#xD2;
+
+BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE: &#x2559; => d3
+&#xD3; => &#xD3;
+
+BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE: &#x2558; => d4
+&#xD4; => &#xD4;
+
+BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE: &#x2552; => d5
+&#xD5; => &#xD5;
+
+BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE: &#x2553; => d6
+&#xD6; => &#xD6;
+
+BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE: &#x256B; => d7
+&#xD7; => &#xD7;
+
+BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE: &#x256A; => d8
+&#xD8; => &#xD8;
+
+BOX DRAWINGS LIGHT UP AND LEFT: &#x2518; => d9
+&#xD9; => &#xD9;
+
+BOX DRAWINGS LIGHT DOWN AND RIGHT: &#x250C; => da
+&#xDA; => &#xDA;
+
+FULL BLOCK: &#x2588; => db
+&#xDB; => &#xDB;
+
+LOWER HALF BLOCK: &#x2584; => dc
+&#xDC; => &#xDC;
+
+LEFT HALF BLOCK: &#x258C; => dd
+&#xDD; => &#xDD;
+
+RIGHT HALF BLOCK: &#x2590; => de
+&#xDE; => &#xDE;
+
+UPPER HALF BLOCK: &#x2580; => df
+&#xDF; => &#xDF;
+
+CYRILLIC SMALL LETTER ER: &#x440; => e0
+&#xE0; => &#xE0;
+
+CYRILLIC SMALL LETTER ES: &#x441; => e1
+&#xE1; => &#xE1;
+
+CYRILLIC SMALL LETTER TE: &#x442; => e2
+&#xE2; => &#xE2;
+
+CYRILLIC SMALL LETTER U: &#x443; => e3
+&#xE3; => &#xE3;
+
+CYRILLIC SMALL LETTER EF: &#x444; => e4
+&#xE4; => &#xE4;
+
+CYRILLIC SMALL LETTER HA: &#x445; => e5
+&#xE5; => &#xE5;
+
+CYRILLIC SMALL LETTER TSE: &#x446; => e6
+&#xE6; => &#xE6;
+
+CYRILLIC SMALL LETTER CHE: &#x447; => e7
+&#xE7; => &#xE7;
+
+CYRILLIC SMALL LETTER SHA: &#x448; => e8
+&#xE8; => &#xE8;
+
+CYRILLIC SMALL LETTER SHCHA: &#x449; => e9
+&#xE9; => &#xE9;
+
+CYRILLIC SMALL LETTER HARD SIGN: &#x44A; => ea
+&#xEA; => &#xEA;
+
+CYRILLIC SMALL LETTER YERU: &#x44B; => eb
+&#xEB; => &#xEB;
+
+CYRILLIC SMALL LETTER SOFT SIGN: &#x44C; => ec
+&#xEC; => &#xEC;
+
+CYRILLIC SMALL LETTER E: &#x44D; => ed
+&#xED; => &#xED;
+
+CYRILLIC SMALL LETTER YU: &#x44E; => ee
+&#xEE; => &#xEE;
+
+CYRILLIC SMALL LETTER YA: &#x44F; => ef
+&#xEF; => &#xEF;
+
+CYRILLIC CAPITAL LETTER IO: &#x401; => f0
+&#xF0; => &#xF0;
+
+CYRILLIC SMALL LETTER IO: &#x451; => f1
+&#xF1; => &#xF1;
+
+CYRILLIC CAPITAL LETTER UKRAINIAN IE: &#x404; => f2
+&#xF2; => &#xF2;
+
+CYRILLIC SMALL LETTER UKRAINIAN IE: &#x454; => f3
+&#xF3; => &#xF3;
+
+CYRILLIC CAPITAL LETTER YI: &#x407; => f4
+&#xF4; => &#xF4;
+
+CYRILLIC SMALL LETTER YI: &#x457; => f5
+&#xF5; => &#xF5;
+
+CYRILLIC CAPITAL LETTER SHORT U: &#x40E; => f6
+&#xF6; => &#xF6;
+
+CYRILLIC SMALL LETTER SHORT U: &#x45E; => f7
+&#xF7; => &#xF7;
+
+DEGREE SIGN: &#xB0; => f8
+&#xF8; => &#xF8;
+
+BULLET OPERATOR: &#x2219; => f9
+&#xF9; => &#xF9;
+
+MIDDLE DOT: &#xB7; => fa
+&#xFA; => &#xFA;
+
+SQUARE ROOT: &#x221A; => fb
+&#xFB; => &#xFB;
+
+NUMERO SIGN: &#x2116; => fc
+&#xFC; => &#xFC;
+
+CURRENCY SIGN: &#xA4; => fd
+&#xFD; => &#xFD;
+
+BLACK SQUARE: &#x25A0; => fe
+&#xFE; => &#xFE;
+
+NO-BREAK SPACE: &#xA0; => ff
+&#xFF; => &#xFF;
diff --git a/tests/std/strings/html_entity_decode_html4.phpt b/tests/std/strings/html_entity_decode_html4.phpt
new file mode 100644
index 00000000..dad8a3eb
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_html4.phpt
@@ -0,0 +1,516 @@
+--TEST--
+html_entity_decode() conformance check (HTML 4)
+--FILE--
+<?php
+$map = array(
+    "&quot;",
+    "&amp;",
+    "&lt;",
+    "&gt;",
+    "&nbsp;",
+    "&iexcl;",
+    "&cent;",
+    "&pound;",
+    "&curren;",
+    "&yen;",
+    "&brvbar;",
+    "&sect;",
+    "&uml;",
+    "&copy;",
+    "&ordf;",
+    "&laquo;",
+    "&not;",
+    "&shy;",
+    "&reg;",
+    "&macr;",
+    "&deg;",
+    "&plusmn;",
+    "&sup2;",
+    "&sup3;",
+    "&acute;",
+    "&micro;",
+    "&para;",
+    "&middot;",
+    "&cedil;",
+    "&sup1;",
+    "&ordm;",
+    "&raquo;",
+    "&frac14;",
+    "&frac12;",
+    "&frac34;",
+    "&iquest;",
+    "&Agrave;",
+    "&Aacute;",
+    "&Acirc;",
+    "&Atilde;",
+    "&Auml;",
+    "&Aring;",
+    "&AElig;",
+    "&Ccedil;",
+    "&Egrave;",
+    "&Eacute;",
+    "&Ecirc;",
+    "&Euml;",
+    "&Igrave;",
+    "&Iacute;",
+    "&Icirc;",
+    "&Iuml;",
+    "&ETH;",
+    "&Ntilde;",
+    "&Ograve;",
+    "&Oacute;",
+    "&Ocirc;",
+    "&Otilde;",
+    "&Ouml;",
+    "&times;",
+    "&Oslash;",
+    "&Ugrave;",
+    "&Uacute;",
+    "&Ucirc;",
+    "&Uuml;",
+    "&Yacute;",
+    "&THORN;",
+    "&szlig;",
+    "&agrave;",
+    "&aacute;",
+    "&acirc;",
+    "&atilde;",
+    "&auml;",
+    "&aring;",
+    "&aelig;",
+    "&ccedil;",
+    "&egrave;",
+    "&eacute;",
+    "&ecirc;",
+    "&euml;",
+    "&igrave;",
+    "&iacute;",
+    "&icirc;",
+    "&iuml;",
+    "&eth;",
+    "&ntilde;",
+    "&ograve;",
+    "&oacute;",
+    "&ocirc;",
+    "&otilde;",
+    "&ouml;",
+    "&divide;",
+    "&oslash;",
+    "&ugrave;",
+    "&uacute;",
+    "&ucirc;",
+    "&uuml;",
+    "&yacute;",
+    "&thorn;",
+    "&yuml;",
+    "&OElig;",
+    "&oelig;",
+    "&Scaron;",
+    "&scaron;",
+    "&Yuml;",
+    "&fnof;",
+    "&circ;",
+    "&tilde;",
+    "&Alpha;",
+    "&Beta;",
+    "&Gamma;",
+    "&Delta;",
+    "&Epsilon;",
+    "&Zeta;",
+    "&Eta;",
+    "&Theta;",
+    "&Iota;",
+    "&Kappa;",
+    "&Lambda;",
+    "&Mu;",
+    "&Nu;",
+    "&Xi;",
+    "&Omicron;",
+    "&Pi;",
+    "&Rho;",
+    "&Sigma;",
+    "&Tau;",
+    "&Upsilon;",
+    "&Phi;",
+    "&Chi;",
+    "&Psi;",
+    "&Omega;",
+    "&alpha;",
+    "&beta;",
+    "&gamma;",
+    "&delta;",
+    "&epsilon;",
+    "&zeta;",
+    "&eta;",
+    "&theta;",
+    "&iota;",
+    "&kappa;",
+    "&lambda;",
+    "&mu;",
+    "&nu;",
+    "&xi;",
+    "&omicron;",
+    "&pi;",
+    "&rho;",
+    "&sigmaf;",
+    "&sigma;",
+    "&tau;",
+    "&upsilon;",
+    "&phi;",
+    "&chi;",
+    "&psi;",
+    "&omega;",
+    "&thetasym;",
+    "&upsih;",
+    "&piv;",
+    "&ensp;",
+    "&emsp;",
+    "&thinsp;",
+    "&zwnj;",
+    "&zwj;",
+    "&lrm;",
+    "&rlm;",
+    "&ndash;",
+    "&mdash;",
+    "&lsquo;",
+    "&rsquo;",
+    "&sbquo;",
+    "&ldquo;",
+    "&rdquo;",
+    "&bdquo;",
+    "&dagger;",
+    "&Dagger;",
+    "&bull;",
+    "&hellip;",
+    "&permil;",
+    "&prime;",
+    "&Prime;",
+    "&lsaquo;",
+    "&rsaquo;",
+    "&oline;",
+    "&frasl;",
+    "&euro;",
+    "&image;",
+    "&weierp;",
+    "&real;",
+    "&trade;",
+    "&alefsym;",
+    "&larr;",
+    "&uarr;",
+    "&rarr;",
+    "&darr;",
+    "&harr;",
+    "&crarr;",
+    "&lArr;",
+    "&uArr;",
+    "&rArr;",
+    "&dArr;",
+    "&hArr;",
+    "&forall;",
+    "&part;",
+    "&exist;",
+    "&empty;",
+    "&nabla;",
+    "&isin;",
+    "&notin;",
+    "&ni;",
+    "&prod;",
+    "&sum;",
+    "&minus;",
+    "&lowast;",
+    "&radic;",
+    "&prop;",
+    "&infin;",
+    "&ang;",
+    "&and;",
+    "&or;",
+    "&cap;",
+    "&cup;",
+    "&int;",
+    "&there4;",
+    "&sim;",
+    "&cong;",
+    "&asymp;",
+    "&ne;",
+    "&equiv;",
+    "&le;",
+    "&ge;",
+    "&sub;",
+    "&sup;",
+    "&nsub;",
+    "&sube;",
+    "&supe;",
+    "&oplus;",
+    "&otimes;",
+    "&perp;",
+    "&sdot;",
+    "&lceil;",
+    "&rceil;",
+    "&lfloor;",
+    "&rfloor;",
+    "&lang;",
+    "&rang;",
+    "&loz;",
+    "&spades;",
+    "&clubs;",
+    "&hearts;",
+    "&diams;"
+);
+
+foreach ($map as $str) {
+    echo bin2hex(html_entity_decode($str, ENT_QUOTES, "UTF-8")), "\n";
+}
+?>
+--EXPECT--
+22
+26
+3c
+3e
+c2a0
+c2a1
+c2a2
+c2a3
+c2a4
+c2a5
+c2a6
+c2a7
+c2a8
+c2a9
+c2aa
+c2ab
+c2ac
+c2ad
+c2ae
+c2af
+c2b0
+c2b1
+c2b2
+c2b3
+c2b4
+c2b5
+c2b6
+c2b7
+c2b8
+c2b9
+c2ba
+c2bb
+c2bc
+c2bd
+c2be
+c2bf
+c380
+c381
+c382
+c383
+c384
+c385
+c386
+c387
+c388
+c389
+c38a
+c38b
+c38c
+c38d
+c38e
+c38f
+c390
+c391
+c392
+c393
+c394
+c395
+c396
+c397
+c398
+c399
+c39a
+c39b
+c39c
+c39d
+c39e
+c39f
+c3a0
+c3a1
+c3a2
+c3a3
+c3a4
+c3a5
+c3a6
+c3a7
+c3a8
+c3a9
+c3aa
+c3ab
+c3ac
+c3ad
+c3ae
+c3af
+c3b0
+c3b1
+c3b2
+c3b3
+c3b4
+c3b5
+c3b6
+c3b7
+c3b8
+c3b9
+c3ba
+c3bb
+c3bc
+c3bd
+c3be
+c3bf
+c592
+c593
+c5a0
+c5a1
+c5b8
+c692
+cb86
+cb9c
+ce91
+ce92
+ce93
+ce94
+ce95
+ce96
+ce97
+ce98
+ce99
+ce9a
+ce9b
+ce9c
+ce9d
+ce9e
+ce9f
+cea0
+cea1
+cea3
+cea4
+cea5
+cea6
+cea7
+cea8
+cea9
+ceb1
+ceb2
+ceb3
+ceb4
+ceb5
+ceb6
+ceb7
+ceb8
+ceb9
+ceba
+cebb
+cebc
+cebd
+cebe
+cebf
+cf80
+cf81
+cf82
+cf83
+cf84
+cf85
+cf86
+cf87
+cf88
+cf89
+cf91
+cf92
+cf96
+e28082
+e28083
+e28089
+e2808c
+e2808d
+e2808e
+e2808f
+e28093
+e28094
+e28098
+e28099
+e2809a
+e2809c
+e2809d
+e2809e
+e280a0
+e280a1
+e280a2
+e280a6
+e280b0
+e280b2
+e280b3
+e280b9
+e280ba
+e280be
+e28184
+e282ac
+e28491
+e28498
+e2849c
+e284a2
+e284b5
+e28690
+e28691
+e28692
+e28693
+e28694
+e286b5
+e28790
+e28791
+e28792
+e28793
+e28794
+e28880
+e28882
+e28883
+e28885
+e28887
+e28888
+e28889
+e2888b
+e2888f
+e28891
+e28892
+e28897
+e2889a
+e2889d
+e2889e
+e288a0
+e288a7
+e288a8
+e288a9
+e288aa
+e288ab
+e288b4
+e288bc
+e28985
+e28988
+e289a0
+e289a1
+e289a4
+e289a5
+e28a82
+e28a83
+e28a84
+e28a86
+e28a87
+e28a95
+e28a97
+e28aa5
+e28b85
+e28c88
+e28c89
+e28c8a
+e28c8b
+e28ca9
+e28caa
+e2978a
+e299a0
+e299a3
+e299a5
+e299a6
diff --git a/tests/std/strings/html_entity_decode_html5.phpt b/tests/std/strings/html_entity_decode_html5.phpt
new file mode 100644
index 00000000..81f692c5
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_html5.phpt
@@ -0,0 +1,4264 @@
+--TEST--
+html_entity_decode() conformance check (HTML 5)
+--FILE--
+<?php
+$map = array(
+    "&AElig;",
+    "&AMP;",
+    "&Aacute;",
+    "&Abreve;",
+    "&Acirc;",
+    "&Acy;",
+    "&Afr;",
+    "&Agrave;",
+    "&Alpha;",
+    "&Amacr;",
+    "&And;",
+    "&Aogon;",
+    "&Aopf;",
+    "&ApplyFunction;",
+    "&Aring;",
+    "&Ascr;",
+    "&Assign;",
+    "&Atilde;",
+    "&Auml;",
+    "&Backslash;",
+    "&Barv;",
+    "&Barwed;",
+    "&Bcy;",
+    "&Because;",
+    "&Bernoullis;",
+    "&Beta;",
+    "&Bfr;",
+    "&Bopf;",
+    "&Breve;",
+    "&Bscr;",
+    "&Bumpeq;",
+    "&CHcy;",
+    "&COPY;",
+    "&Cacute;",
+    "&Cap;",
+    "&CapitalDifferentialD;",
+    "&Cayleys;",
+    "&Ccaron;",
+    "&Ccedil;",
+    "&Ccirc;",
+    "&Cconint;",
+    "&Cdot;",
+    "&Cedilla;",
+    "&CenterDot;",
+    "&Cfr;",
+    "&Chi;",
+    "&CircleDot;",
+    "&CircleMinus;",
+    "&CirclePlus;",
+    "&CircleTimes;",
+    "&ClockwiseContourIntegral;",
+    "&CloseCurlyDoubleQuote;",
+    "&CloseCurlyQuote;",
+    "&Colon;",
+    "&Colone;",
+    "&Congruent;",
+    "&Conint;",
+    "&ContourIntegral;",
+    "&Copf;",
+    "&Coproduct;",
+    "&CounterClockwiseContourIntegral;",
+    "&Cross;",
+    "&Cscr;",
+    "&Cup;",
+    "&CupCap;",
+    "&DD;",
+    "&DDotrahd;",
+    "&DJcy;",
+    "&DScy;",
+    "&DZcy;",
+    "&Dagger;",
+    "&Darr;",
+    "&Dashv;",
+    "&Dcaron;",
+    "&Dcy;",
+    "&Del;",
+    "&Delta;",
+    "&Dfr;",
+    "&DiacriticalAcute;",
+    "&DiacriticalDot;",
+    "&DiacriticalDoubleAcute;",
+    "&DiacriticalGrave;",
+    "&DiacriticalTilde;",
+    "&Diamond;",
+    "&DifferentialD;",
+    "&Dopf;",
+    "&Dot;",
+    "&DotDot;",
+    "&DotEqual;",
+    "&DoubleContourIntegral;",
+    "&DoubleDot;",
+    "&DoubleDownArrow;",
+    "&DoubleLeftArrow;",
+    "&DoubleLeftRightArrow;",
+    "&DoubleLeftTee;",
+    "&DoubleLongLeftArrow;",
+    "&DoubleLongLeftRightArrow;",
+    "&DoubleLongRightArrow;",
+    "&DoubleRightArrow;",
+    "&DoubleRightTee;",
+    "&DoubleUpArrow;",
+    "&DoubleUpDownArrow;",
+    "&DoubleVerticalBar;",
+    "&DownArrow;",
+    "&DownArrowBar;",
+    "&DownArrowUpArrow;",
+    "&DownBreve;",
+    "&DownLeftRightVector;",
+    "&DownLeftTeeVector;",
+    "&DownLeftVector;",
+    "&DownLeftVectorBar;",
+    "&DownRightTeeVector;",
+    "&DownRightVector;",
+    "&DownRightVectorBar;",
+    "&DownTee;",
+    "&DownTeeArrow;",
+    "&Downarrow;",
+    "&Dscr;",
+    "&Dstrok;",
+    "&ENG;",
+    "&ETH;",
+    "&Eacute;",
+    "&Ecaron;",
+    "&Ecirc;",
+    "&Ecy;",
+    "&Edot;",
+    "&Efr;",
+    "&Egrave;",
+    "&Element;",
+    "&Emacr;",
+    "&EmptySmallSquare;",
+    "&EmptyVerySmallSquare;",
+    "&Eogon;",
+    "&Eopf;",
+    "&Epsilon;",
+    "&Equal;",
+    "&EqualTilde;",
+    "&Equilibrium;",
+    "&Escr;",
+    "&Esim;",
+    "&Eta;",
+    "&Euml;",
+    "&Exists;",
+    "&ExponentialE;",
+    "&Fcy;",
+    "&Ffr;",
+    "&FilledSmallSquare;",
+    "&FilledVerySmallSquare;",
+    "&Fopf;",
+    "&ForAll;",
+    "&Fouriertrf;",
+    "&Fscr;",
+    "&GJcy;",
+    "&GT;",
+    "&Gamma;",
+    "&Gammad;",
+    "&Gbreve;",
+    "&Gcedil;",
+    "&Gcirc;",
+    "&Gcy;",
+    "&Gdot;",
+    "&Gfr;",
+    "&Gg;",
+    "&Gopf;",
+    "&GreaterEqual;",
+    "&GreaterEqualLess;",
+    "&GreaterFullEqual;",
+    "&GreaterGreater;",
+    "&GreaterLess;",
+    "&GreaterSlantEqual;",
+    "&GreaterTilde;",
+    "&Gscr;",
+    "&Gt;",
+    "&HARDcy;",
+    "&Hacek;",
+    "&Hat;",
+    "&Hcirc;",
+    "&Hfr;",
+    "&HilbertSpace;",
+    "&Hopf;",
+    "&HorizontalLine;",
+    "&Hscr;",
+    "&Hstrok;",
+    "&HumpDownHump;",
+    "&HumpEqual;",
+    "&IEcy;",
+    "&IJlig;",
+    "&IOcy;",
+    "&Iacute;",
+    "&Icirc;",
+    "&Icy;",
+    "&Idot;",
+    "&Ifr;",
+    "&Igrave;",
+    "&Im;",
+    "&Imacr;",
+    "&ImaginaryI;",
+    "&Implies;",
+    "&Int;",
+    "&Integral;",
+    "&Intersection;",
+    "&InvisibleComma;",
+    "&InvisibleTimes;",
+    "&Iogon;",
+    "&Iopf;",
+    "&Iota;",
+    "&Iscr;",
+    "&Itilde;",
+    "&Iukcy;",
+    "&Iuml;",
+    "&Jcirc;",
+    "&Jcy;",
+    "&Jfr;",
+    "&Jopf;",
+    "&Jscr;",
+    "&Jsercy;",
+    "&Jukcy;",
+    "&KHcy;",
+    "&KJcy;",
+    "&Kappa;",
+    "&Kcedil;",
+    "&Kcy;",
+    "&Kfr;",
+    "&Kopf;",
+    "&Kscr;",
+    "&LJcy;",
+    "&LT;",
+    "&Lacute;",
+    "&Lambda;",
+    "&Lang;",
+    "&Laplacetrf;",
+    "&Larr;",
+    "&Lcaron;",
+    "&Lcedil;",
+    "&Lcy;",
+    "&LeftAngleBracket;",
+    "&LeftArrow;",
+    "&LeftArrowBar;",
+    "&LeftArrowRightArrow;",
+    "&LeftCeiling;",
+    "&LeftDoubleBracket;",
+    "&LeftDownTeeVector;",
+    "&LeftDownVector;",
+    "&LeftDownVectorBar;",
+    "&LeftFloor;",
+    "&LeftRightArrow;",
+    "&LeftRightVector;",
+    "&LeftTee;",
+    "&LeftTeeArrow;",
+    "&LeftTeeVector;",
+    "&LeftTriangle;",
+    "&LeftTriangleBar;",
+    "&LeftTriangleEqual;",
+    "&LeftUpDownVector;",
+    "&LeftUpTeeVector;",
+    "&LeftUpVector;",
+    "&LeftUpVectorBar;",
+    "&LeftVector;",
+    "&LeftVectorBar;",
+    "&Leftarrow;",
+    "&Leftrightarrow;",
+    "&LessEqualGreater;",
+    "&LessFullEqual;",
+    "&LessGreater;",
+    "&LessLess;",
+    "&LessSlantEqual;",
+    "&LessTilde;",
+    "&Lfr;",
+    "&Ll;",
+    "&Lleftarrow;",
+    "&Lmidot;",
+    "&LongLeftArrow;",
+    "&LongLeftRightArrow;",
+    "&LongRightArrow;",
+    "&Longleftarrow;",
+    "&Longleftrightarrow;",
+    "&Longrightarrow;",
+    "&Lopf;",
+    "&LowerLeftArrow;",
+    "&LowerRightArrow;",
+    "&Lscr;",
+    "&Lsh;",
+    "&Lstrok;",
+    "&Lt;",
+    "&Map;",
+    "&Mcy;",
+    "&MediumSpace;",
+    "&Mellintrf;",
+    "&Mfr;",
+    "&MinusPlus;",
+    "&Mopf;",
+    "&Mscr;",
+    "&Mu;",
+    "&NJcy;",
+    "&Nacute;",
+    "&Ncaron;",
+    "&Ncedil;",
+    "&Ncy;",
+    "&NegativeMediumSpace;",
+    "&NegativeThickSpace;",
+    "&NegativeThinSpace;",
+    "&NegativeVeryThinSpace;",
+    "&NestedGreaterGreater;",
+    "&NestedLessLess;",
+    "&NewLine;",
+    "&Nfr;",
+    "&NoBreak;",
+    "&NonBreakingSpace;",
+    "&Nopf;",
+    "&Not;",
+    "&NotCongruent;",
+    "&NotCupCap;",
+    "&NotDoubleVerticalBar;",
+    "&NotElement;",
+    "&NotEqual;",
+    "&NotEqualTilde;",
+    "&NotExists;",
+    "&NotGreater;",
+    "&NotGreaterEqual;",
+    "&NotGreaterFullEqual;",
+    "&NotGreaterGreater;",
+    "&NotGreaterLess;",
+    "&NotGreaterSlantEqual;",
+    "&NotGreaterTilde;",
+    "&NotHumpDownHump;",
+    "&NotHumpEqual;",
+    "&NotLeftTriangle;",
+    "&NotLeftTriangleBar;",
+    "&NotLeftTriangleEqual;",
+    "&NotLess;",
+    "&NotLessEqual;",
+    "&NotLessGreater;",
+    "&NotLessLess;",
+    "&NotLessSlantEqual;",
+    "&NotLessTilde;",
+    "&NotNestedGreaterGreater;",
+    "&NotNestedLessLess;",
+    "&NotPrecedes;",
+    "&NotPrecedesEqual;",
+    "&NotPrecedesSlantEqual;",
+    "&NotReverseElement;",
+    "&NotRightTriangle;",
+    "&NotRightTriangleBar;",
+    "&NotRightTriangleEqual;",
+    "&NotSquareSubset;",
+    "&NotSquareSubsetEqual;",
+    "&NotSquareSuperset;",
+    "&NotSquareSupersetEqual;",
+    "&NotSubset;",
+    "&NotSubsetEqual;",
+    "&NotSucceeds;",
+    "&NotSucceedsEqual;",
+    "&NotSucceedsSlantEqual;",
+    "&NotSucceedsTilde;",
+    "&NotSuperset;",
+    "&NotSupersetEqual;",
+    "&NotTilde;",
+    "&NotTildeEqual;",
+    "&NotTildeFullEqual;",
+    "&NotTildeTilde;",
+    "&NotVerticalBar;",
+    "&Nscr;",
+    "&Ntilde;",
+    "&Nu;",
+    "&OElig;",
+    "&Oacute;",
+    "&Ocirc;",
+    "&Ocy;",
+    "&Odblac;",
+    "&Ofr;",
+    "&Ograve;",
+    "&Omacr;",
+    "&Omega;",
+    "&Omicron;",
+    "&Oopf;",
+    "&OpenCurlyDoubleQuote;",
+    "&OpenCurlyQuote;",
+    "&Or;",
+    "&Oscr;",
+    "&Oslash;",
+    "&Otilde;",
+    "&Otimes;",
+    "&Ouml;",
+    "&OverBar;",
+    "&OverBrace;",
+    "&OverBracket;",
+    "&OverParenthesis;",
+    "&PartialD;",
+    "&Pcy;",
+    "&Pfr;",
+    "&Phi;",
+    "&Pi;",
+    "&PlusMinus;",
+    "&Poincareplane;",
+    "&Popf;",
+    "&Pr;",
+    "&Precedes;",
+    "&PrecedesEqual;",
+    "&PrecedesSlantEqual;",
+    "&PrecedesTilde;",
+    "&Prime;",
+    "&Product;",
+    "&Proportion;",
+    "&Proportional;",
+    "&Pscr;",
+    "&Psi;",
+    "&QUOT;",
+    "&Qfr;",
+    "&Qopf;",
+    "&Qscr;",
+    "&RBarr;",
+    "&REG;",
+    "&Racute;",
+    "&Rang;",
+    "&Rarr;",
+    "&Rarrtl;",
+    "&Rcaron;",
+    "&Rcedil;",
+    "&Rcy;",
+    "&Re;",
+    "&ReverseElement;",
+    "&ReverseEquilibrium;",
+    "&ReverseUpEquilibrium;",
+    "&Rfr;",
+    "&Rho;",
+    "&RightAngleBracket;",
+    "&RightArrow;",
+    "&RightArrowBar;",
+    "&RightArrowLeftArrow;",
+    "&RightCeiling;",
+    "&RightDoubleBracket;",
+    "&RightDownTeeVector;",
+    "&RightDownVector;",
+    "&RightDownVectorBar;",
+    "&RightFloor;",
+    "&RightTee;",
+    "&RightTeeArrow;",
+    "&RightTeeVector;",
+    "&RightTriangle;",
+    "&RightTriangleBar;",
+    "&RightTriangleEqual;",
+    "&RightUpDownVector;",
+    "&RightUpTeeVector;",
+    "&RightUpVector;",
+    "&RightUpVectorBar;",
+    "&RightVector;",
+    "&RightVectorBar;",
+    "&Rightarrow;",
+    "&Ropf;",
+    "&RoundImplies;",
+    "&Rrightarrow;",
+    "&Rscr;",
+    "&Rsh;",
+    "&RuleDelayed;",
+    "&SHCHcy;",
+    "&SHcy;",
+    "&SOFTcy;",
+    "&Sacute;",
+    "&Sc;",
+    "&Scaron;",
+    "&Scedil;",
+    "&Scirc;",
+    "&Scy;",
+    "&Sfr;",
+    "&ShortDownArrow;",
+    "&ShortLeftArrow;",
+    "&ShortRightArrow;",
+    "&ShortUpArrow;",
+    "&Sigma;",
+    "&SmallCircle;",
+    "&Sopf;",
+    "&Sqrt;",
+    "&Square;",
+    "&SquareIntersection;",
+    "&SquareSubset;",
+    "&SquareSubsetEqual;",
+    "&SquareSuperset;",
+    "&SquareSupersetEqual;",
+    "&SquareUnion;",
+    "&Sscr;",
+    "&Star;",
+    "&Sub;",
+    "&Subset;",
+    "&SubsetEqual;",
+    "&Succeeds;",
+    "&SucceedsEqual;",
+    "&SucceedsSlantEqual;",
+    "&SucceedsTilde;",
+    "&SuchThat;",
+    "&Sum;",
+    "&Sup;",
+    "&Superset;",
+    "&SupersetEqual;",
+    "&Supset;",
+    "&THORN;",
+    "&TRADE;",
+    "&TSHcy;",
+    "&TScy;",
+    "&Tab;",
+    "&Tau;",
+    "&Tcaron;",
+    "&Tcedil;",
+    "&Tcy;",
+    "&Tfr;",
+    "&Therefore;",
+    "&Theta;",
+    "&ThickSpace;",
+    "&ThinSpace;",
+    "&Tilde;",
+    "&TildeEqual;",
+    "&TildeFullEqual;",
+    "&TildeTilde;",
+    "&Topf;",
+    "&TripleDot;",
+    "&Tscr;",
+    "&Tstrok;",
+    "&Uacute;",
+    "&Uarr;",
+    "&Uarrocir;",
+    "&Ubrcy;",
+    "&Ubreve;",
+    "&Ucirc;",
+    "&Ucy;",
+    "&Udblac;",
+    "&Ufr;",
+    "&Ugrave;",
+    "&Umacr;",
+    "&UnderBar;",
+    "&UnderBrace;",
+    "&UnderBracket;",
+    "&UnderParenthesis;",
+    "&Union;",
+    "&UnionPlus;",
+    "&Uogon;",
+    "&Uopf;",
+    "&UpArrow;",
+    "&UpArrowBar;",
+    "&UpArrowDownArrow;",
+    "&UpDownArrow;",
+    "&UpEquilibrium;",
+    "&UpTee;",
+    "&UpTeeArrow;",
+    "&Uparrow;",
+    "&Updownarrow;",
+    "&UpperLeftArrow;",
+    "&UpperRightArrow;",
+    "&Upsi;",
+    "&Upsilon;",
+    "&Uring;",
+    "&Uscr;",
+    "&Utilde;",
+    "&Uuml;",
+    "&VDash;",
+    "&Vbar;",
+    "&Vcy;",
+    "&Vdash;",
+    "&Vdashl;",
+    "&Vee;",
+    "&Verbar;",
+    "&Vert;",
+    "&VerticalBar;",
+    "&VerticalLine;",
+    "&VerticalSeparator;",
+    "&VerticalTilde;",
+    "&VeryThinSpace;",
+    "&Vfr;",
+    "&Vopf;",
+    "&Vscr;",
+    "&Vvdash;",
+    "&Wcirc;",
+    "&Wedge;",
+    "&Wfr;",
+    "&Wopf;",
+    "&Wscr;",
+    "&Xfr;",
+    "&Xi;",
+    "&Xopf;",
+    "&Xscr;",
+    "&YAcy;",
+    "&YIcy;",
+    "&YUcy;",
+    "&Yacute;",
+    "&Ycirc;",
+    "&Ycy;",
+    "&Yfr;",
+    "&Yopf;",
+    "&Yscr;",
+    "&Yuml;",
+    "&ZHcy;",
+    "&Zacute;",
+    "&Zcaron;",
+    "&Zcy;",
+    "&Zdot;",
+    "&ZeroWidthSpace;",
+    "&Zeta;",
+    "&Zfr;",
+    "&Zopf;",
+    "&Zscr;",
+    "&aacute;",
+    "&abreve;",
+    "&ac;",
+    "&acE;",
+    "&acd;",
+    "&acirc;",
+    "&acute;",
+    "&acy;",
+    "&aelig;",
+    "&af;",
+    "&afr;",
+    "&agrave;",
+    "&alefsym;",
+    "&aleph;",
+    "&alpha;",
+    "&amacr;",
+    "&amalg;",
+    "&amp;",
+    "&and;",
+    "&andand;",
+    "&andd;",
+    "&andslope;",
+    "&andv;",
+    "&ang;",
+    "&ange;",
+    "&angle;",
+    "&angmsd;",
+    "&angmsdaa;",
+    "&angmsdab;",
+    "&angmsdac;",
+    "&angmsdad;",
+    "&angmsdae;",
+    "&angmsdaf;",
+    "&angmsdag;",
+    "&angmsdah;",
+    "&angrt;",
+    "&angrtvb;",
+    "&angrtvbd;",
+    "&angsph;",
+    "&angst;",
+    "&angzarr;",
+    "&aogon;",
+    "&aopf;",
+    "&ap;",
+    "&apE;",
+    "&apacir;",
+    "&ape;",
+    "&apid;",
+    "&apos;",
+    "&approx;",
+    "&approxeq;",
+    "&aring;",
+    "&ascr;",
+    "&ast;",
+    "&asymp;",
+    "&asympeq;",
+    "&atilde;",
+    "&auml;",
+    "&awconint;",
+    "&awint;",
+    "&bNot;",
+    "&backcong;",
+    "&backepsilon;",
+    "&backprime;",
+    "&backsim;",
+    "&backsimeq;",
+    "&barvee;",
+    "&barwed;",
+    "&barwedge;",
+    "&bbrk;",
+    "&bbrktbrk;",
+    "&bcong;",
+    "&bcy;",
+    "&bdquo;",
+    "&becaus;",
+    "&because;",
+    "&bemptyv;",
+    "&bepsi;",
+    "&bernou;",
+    "&beta;",
+    "&beth;",
+    "&between;",
+    "&bfr;",
+    "&bigcap;",
+    "&bigcirc;",
+    "&bigcup;",
+    "&bigodot;",
+    "&bigoplus;",
+    "&bigotimes;",
+    "&bigsqcup;",
+    "&bigstar;",
+    "&bigtriangledown;",
+    "&bigtriangleup;",
+    "&biguplus;",
+    "&bigvee;",
+    "&bigwedge;",
+    "&bkarow;",
+    "&blacklozenge;",
+    "&blacksquare;",
+    "&blacktriangle;",
+    "&blacktriangledown;",
+    "&blacktriangleleft;",
+    "&blacktriangleright;",
+    "&blank;",
+    "&blk12;",
+    "&blk14;",
+    "&blk34;",
+    "&block;",
+    "&bne;",
+    "&bnequiv;",
+    "&bnot;",
+    "&bopf;",
+    "&bot;",
+    "&bottom;",
+    "&bowtie;",
+    "&boxDL;",
+    "&boxDR;",
+    "&boxDl;",
+    "&boxDr;",
+    "&boxH;",
+    "&boxHD;",
+    "&boxHU;",
+    "&boxHd;",
+    "&boxHu;",
+    "&boxUL;",
+    "&boxUR;",
+    "&boxUl;",
+    "&boxUr;",
+    "&boxV;",
+    "&boxVH;",
+    "&boxVL;",
+    "&boxVR;",
+    "&boxVh;",
+    "&boxVl;",
+    "&boxVr;",
+    "&boxbox;",
+    "&boxdL;",
+    "&boxdR;",
+    "&boxdl;",
+    "&boxdr;",
+    "&boxh;",
+    "&boxhD;",
+    "&boxhU;",
+    "&boxhd;",
+    "&boxhu;",
+    "&boxminus;",
+    "&boxplus;",
+    "&boxtimes;",
+    "&boxuL;",
+    "&boxuR;",
+    "&boxul;",
+    "&boxur;",
+    "&boxv;",
+    "&boxvH;",
+    "&boxvL;",
+    "&boxvR;",
+    "&boxvh;",
+    "&boxvl;",
+    "&boxvr;",
+    "&bprime;",
+    "&breve;",
+    "&brvbar;",
+    "&bscr;",
+    "&bsemi;",
+    "&bsim;",
+    "&bsime;",
+    "&bsol;",
+    "&bsolb;",
+    "&bsolhsub;",
+    "&bull;",
+    "&bullet;",
+    "&bump;",
+    "&bumpE;",
+    "&bumpe;",
+    "&bumpeq;",
+    "&cacute;",
+    "&cap;",
+    "&capand;",
+    "&capbrcup;",
+    "&capcap;",
+    "&capcup;",
+    "&capdot;",
+    "&caps;",
+    "&caret;",
+    "&caron;",
+    "&ccaps;",
+    "&ccaron;",
+    "&ccedil;",
+    "&ccirc;",
+    "&ccups;",
+    "&ccupssm;",
+    "&cdot;",
+    "&cedil;",
+    "&cemptyv;",
+    "&cent;",
+    "&centerdot;",
+    "&cfr;",
+    "&chcy;",
+    "&check;",
+    "&checkmark;",
+    "&chi;",
+    "&cir;",
+    "&cirE;",
+    "&circ;",
+    "&circeq;",
+    "&circlearrowleft;",
+    "&circlearrowright;",
+    "&circledR;",
+    "&circledS;",
+    "&circledast;",
+    "&circledcirc;",
+    "&circleddash;",
+    "&cire;",
+    "&cirfnint;",
+    "&cirmid;",
+    "&cirscir;",
+    "&clubs;",
+    "&clubsuit;",
+    "&colon;",
+    "&colone;",
+    "&coloneq;",
+    "&comma;",
+    "&commat;",
+    "&comp;",
+    "&compfn;",
+    "&complement;",
+    "&complexes;",
+    "&cong;",
+    "&congdot;",
+    "&conint;",
+    "&copf;",
+    "&coprod;",
+    "&copy;",
+    "&copysr;",
+    "&crarr;",
+    "&cross;",
+    "&cscr;",
+    "&csub;",
+    "&csube;",
+    "&csup;",
+    "&csupe;",
+    "&ctdot;",
+    "&cudarrl;",
+    "&cudarrr;",
+    "&cuepr;",
+    "&cuesc;",
+    "&cularr;",
+    "&cularrp;",
+    "&cup;",
+    "&cupbrcap;",
+    "&cupcap;",
+    "&cupcup;",
+    "&cupdot;",
+    "&cupor;",
+    "&cups;",
+    "&curarr;",
+    "&curarrm;",
+    "&curlyeqprec;",
+    "&curlyeqsucc;",
+    "&curlyvee;",
+    "&curlywedge;",
+    "&curren;",
+    "&curvearrowleft;",
+    "&curvearrowright;",
+    "&cuvee;",
+    "&cuwed;",
+    "&cwconint;",
+    "&cwint;",
+    "&cylcty;",
+    "&dArr;",
+    "&dHar;",
+    "&dagger;",
+    "&daleth;",
+    "&darr;",
+    "&dash;",
+    "&dashv;",
+    "&dbkarow;",
+    "&dblac;",
+    "&dcaron;",
+    "&dcy;",
+    "&dd;",
+    "&ddagger;",
+    "&ddarr;",
+    "&ddotseq;",
+    "&deg;",
+    "&delta;",
+    "&demptyv;",
+    "&dfisht;",
+    "&dfr;",
+    "&dharl;",
+    "&dharr;",
+    "&diam;",
+    "&diamond;",
+    "&diamondsuit;",
+    "&diams;",
+    "&die;",
+    "&digamma;",
+    "&disin;",
+    "&div;",
+    "&divide;",
+    "&divideontimes;",
+    "&divonx;",
+    "&djcy;",
+    "&dlcorn;",
+    "&dlcrop;",
+    "&dollar;",
+    "&dopf;",
+    "&dot;",
+    "&doteq;",
+    "&doteqdot;",
+    "&dotminus;",
+    "&dotplus;",
+    "&dotsquare;",
+    "&doublebarwedge;",
+    "&downarrow;",
+    "&downdownarrows;",
+    "&downharpoonleft;",
+    "&downharpoonright;",
+    "&drbkarow;",
+    "&drcorn;",
+    "&drcrop;",
+    "&dscr;",
+    "&dscy;",
+    "&dsol;",
+    "&dstrok;",
+    "&dtdot;",
+    "&dtri;",
+    "&dtrif;",
+    "&duarr;",
+    "&duhar;",
+    "&dwangle;",
+    "&dzcy;",
+    "&dzigrarr;",
+    "&eDDot;",
+    "&eDot;",
+    "&eacute;",
+    "&easter;",
+    "&ecaron;",
+    "&ecir;",
+    "&ecirc;",
+    "&ecolon;",
+    "&ecy;",
+    "&edot;",
+    "&ee;",
+    "&efDot;",
+    "&efr;",
+    "&eg;",
+    "&egrave;",
+    "&egs;",
+    "&egsdot;",
+    "&el;",
+    "&elinters;",
+    "&ell;",
+    "&els;",
+    "&elsdot;",
+    "&emacr;",
+    "&empty;",
+    "&emptyset;",
+    "&emptyv;",
+    "&emsp;",
+    "&emsp13;",
+    "&emsp14;",
+    "&eng;",
+    "&ensp;",
+    "&eogon;",
+    "&eopf;",
+    "&epar;",
+    "&eparsl;",
+    "&eplus;",
+    "&epsi;",
+    "&epsilon;",
+    "&epsiv;",
+    "&eqcirc;",
+    "&eqcolon;",
+    "&eqsim;",
+    "&eqslantgtr;",
+    "&eqslantless;",
+    "&equals;",
+    "&equest;",
+    "&equiv;",
+    "&equivDD;",
+    "&eqvparsl;",
+    "&erDot;",
+    "&erarr;",
+    "&escr;",
+    "&esdot;",
+    "&esim;",
+    "&eta;",
+    "&eth;",
+    "&euml;",
+    "&euro;",
+    "&excl;",
+    "&exist;",
+    "&expectation;",
+    "&exponentiale;",
+    "&fallingdotseq;",
+    "&fcy;",
+    "&female;",
+    "&ffilig;",
+    "&fflig;",
+    "&ffllig;",
+    "&ffr;",
+    "&filig;",
+    "&fjlig;",
+    "&flat;",
+    "&fllig;",
+    "&fltns;",
+    "&fnof;",
+    "&fopf;",
+    "&forall;",
+    "&fork;",
+    "&forkv;",
+    "&fpartint;",
+    "&frac12;",
+    "&frac13;",
+    "&frac14;",
+    "&frac15;",
+    "&frac16;",
+    "&frac18;",
+    "&frac23;",
+    "&frac25;",
+    "&frac34;",
+    "&frac35;",
+    "&frac38;",
+    "&frac45;",
+    "&frac56;",
+    "&frac58;",
+    "&frac78;",
+    "&frasl;",
+    "&frown;",
+    "&fscr;",
+    "&gE;",
+    "&gEl;",
+    "&gacute;",
+    "&gamma;",
+    "&gammad;",
+    "&gap;",
+    "&gbreve;",
+    "&gcirc;",
+    "&gcy;",
+    "&gdot;",
+    "&ge;",
+    "&gel;",
+    "&geq;",
+    "&geqq;",
+    "&geqslant;",
+    "&ges;",
+    "&gescc;",
+    "&gesdot;",
+    "&gesdoto;",
+    "&gesdotol;",
+    "&gesl;",
+    "&gesles;",
+    "&gfr;",
+    "&gg;",
+    "&ggg;",
+    "&gimel;",
+    "&gjcy;",
+    "&gl;",
+    "&glE;",
+    "&gla;",
+    "&glj;",
+    "&gnE;",
+    "&gnap;",
+    "&gnapprox;",
+    "&gne;",
+    "&gneq;",
+    "&gneqq;",
+    "&gnsim;",
+    "&gopf;",
+    "&grave;",
+    "&gscr;",
+    "&gsim;",
+    "&gsime;",
+    "&gsiml;",
+    "&gt;",
+    "&gtcc;",
+    "&gtcir;",
+    "&gtdot;",
+    "&gtlPar;",
+    "&gtquest;",
+    "&gtrapprox;",
+    "&gtrarr;",
+    "&gtrdot;",
+    "&gtreqless;",
+    "&gtreqqless;",
+    "&gtrless;",
+    "&gtrsim;",
+    "&gvertneqq;",
+    "&gvnE;",
+    "&hArr;",
+    "&hairsp;",
+    "&half;",
+    "&hamilt;",
+    "&hardcy;",
+    "&harr;",
+    "&harrcir;",
+    "&harrw;",
+    "&hbar;",
+    "&hcirc;",
+    "&hearts;",
+    "&heartsuit;",
+    "&hellip;",
+    "&hercon;",
+    "&hfr;",
+    "&hksearow;",
+    "&hkswarow;",
+    "&hoarr;",
+    "&homtht;",
+    "&hookleftarrow;",
+    "&hookrightarrow;",
+    "&hopf;",
+    "&horbar;",
+    "&hscr;",
+    "&hslash;",
+    "&hstrok;",
+    "&hybull;",
+    "&hyphen;",
+    "&iacute;",
+    "&ic;",
+    "&icirc;",
+    "&icy;",
+    "&iecy;",
+    "&iexcl;",
+    "&iff;",
+    "&ifr;",
+    "&igrave;",
+    "&ii;",
+    "&iiiint;",
+    "&iiint;",
+    "&iinfin;",
+    "&iiota;",
+    "&ijlig;",
+    "&imacr;",
+    "&image;",
+    "&imagline;",
+    "&imagpart;",
+    "&imath;",
+    "&imof;",
+    "&imped;",
+    "&in;",
+    "&incare;",
+    "&infin;",
+    "&infintie;",
+    "&inodot;",
+    "&int;",
+    "&intcal;",
+    "&integers;",
+    "&intercal;",
+    "&intlarhk;",
+    "&intprod;",
+    "&iocy;",
+    "&iogon;",
+    "&iopf;",
+    "&iota;",
+    "&iprod;",
+    "&iquest;",
+    "&iscr;",
+    "&isin;",
+    "&isinE;",
+    "&isindot;",
+    "&isins;",
+    "&isinsv;",
+    "&isinv;",
+    "&it;",
+    "&itilde;",
+    "&iukcy;",
+    "&iuml;",
+    "&jcirc;",
+    "&jcy;",
+    "&jfr;",
+    "&jmath;",
+    "&jopf;",
+    "&jscr;",
+    "&jsercy;",
+    "&jukcy;",
+    "&kappa;",
+    "&kappav;",
+    "&kcedil;",
+    "&kcy;",
+    "&kfr;",
+    "&kgreen;",
+    "&khcy;",
+    "&kjcy;",
+    "&kopf;",
+    "&kscr;",
+    "&lAarr;",
+    "&lArr;",
+    "&lAtail;",
+    "&lBarr;",
+    "&lE;",
+    "&lEg;",
+    "&lHar;",
+    "&lacute;",
+    "&laemptyv;",
+    "&lagran;",
+    "&lambda;",
+    "&lang;",
+    "&langd;",
+    "&langle;",
+    "&lap;",
+    "&laquo;",
+    "&larr;",
+    "&larrb;",
+    "&larrbfs;",
+    "&larrfs;",
+    "&larrhk;",
+    "&larrlp;",
+    "&larrpl;",
+    "&larrsim;",
+    "&larrtl;",
+    "&lat;",
+    "&latail;",
+    "&late;",
+    "&lates;",
+    "&lbarr;",
+    "&lbbrk;",
+    "&lbrace;",
+    "&lbrack;",
+    "&lbrke;",
+    "&lbrksld;",
+    "&lbrkslu;",
+    "&lcaron;",
+    "&lcedil;",
+    "&lceil;",
+    "&lcub;",
+    "&lcy;",
+    "&ldca;",
+    "&ldquo;",
+    "&ldquor;",
+    "&ldrdhar;",
+    "&ldrushar;",
+    "&ldsh;",
+    "&le;",
+    "&leftarrow;",
+    "&leftarrowtail;",
+    "&leftharpoondown;",
+    "&leftharpoonup;",
+    "&leftleftarrows;",
+    "&leftrightarrow;",
+    "&leftrightarrows;",
+    "&leftrightharpoons;",
+    "&leftrightsquigarrow;",
+    "&leftthreetimes;",
+    "&leg;",
+    "&leq;",
+    "&leqq;",
+    "&leqslant;",
+    "&les;",
+    "&lescc;",
+    "&lesdot;",
+    "&lesdoto;",
+    "&lesdotor;",
+    "&lesg;",
+    "&lesges;",
+    "&lessapprox;",
+    "&lessdot;",
+    "&lesseqgtr;",
+    "&lesseqqgtr;",
+    "&lessgtr;",
+    "&lesssim;",
+    "&lfisht;",
+    "&lfloor;",
+    "&lfr;",
+    "&lg;",
+    "&lgE;",
+    "&lhard;",
+    "&lharu;",
+    "&lharul;",
+    "&lhblk;",
+    "&ljcy;",
+    "&ll;",
+    "&llarr;",
+    "&llcorner;",
+    "&llhard;",
+    "&lltri;",
+    "&lmidot;",
+    "&lmoust;",
+    "&lmoustache;",
+    "&lnE;",
+    "&lnap;",
+    "&lnapprox;",
+    "&lne;",
+    "&lneq;",
+    "&lneqq;",
+    "&lnsim;",
+    "&loang;",
+    "&loarr;",
+    "&lobrk;",
+    "&longleftarrow;",
+    "&longleftrightarrow;",
+    "&longmapsto;",
+    "&longrightarrow;",
+    "&looparrowleft;",
+    "&looparrowright;",
+    "&lopar;",
+    "&lopf;",
+    "&loplus;",
+    "&lotimes;",
+    "&lowast;",
+    "&lowbar;",
+    "&loz;",
+    "&lozenge;",
+    "&lozf;",
+    "&lpar;",
+    "&lparlt;",
+    "&lrarr;",
+    "&lrcorner;",
+    "&lrhar;",
+    "&lrhard;",
+    "&lrm;",
+    "&lrtri;",
+    "&lsaquo;",
+    "&lscr;",
+    "&lsh;",
+    "&lsim;",
+    "&lsime;",
+    "&lsimg;",
+    "&lsqb;",
+    "&lsquo;",
+    "&lsquor;",
+    "&lstrok;",
+    "&lt;",
+    "&ltcc;",
+    "&ltcir;",
+    "&ltdot;",
+    "&lthree;",
+    "&ltimes;",
+    "&ltlarr;",
+    "&ltquest;",
+    "&ltrPar;",
+    "&ltri;",
+    "&ltrie;",
+    "&ltrif;",
+    "&lurdshar;",
+    "&luruhar;",
+    "&lvertneqq;",
+    "&lvnE;",
+    "&mDDot;",
+    "&macr;",
+    "&male;",
+    "&malt;",
+    "&maltese;",
+    "&map;",
+    "&mapsto;",
+    "&mapstodown;",
+    "&mapstoleft;",
+    "&mapstoup;",
+    "&marker;",
+    "&mcomma;",
+    "&mcy;",
+    "&mdash;",
+    "&measuredangle;",
+    "&mfr;",
+    "&mho;",
+    "&micro;",
+    "&mid;",
+    "&midast;",
+    "&midcir;",
+    "&middot;",
+    "&minus;",
+    "&minusb;",
+    "&minusd;",
+    "&minusdu;",
+    "&mlcp;",
+    "&mldr;",
+    "&mnplus;",
+    "&models;",
+    "&mopf;",
+    "&mp;",
+    "&mscr;",
+    "&mstpos;",
+    "&mu;",
+    "&multimap;",
+    "&mumap;",
+    "&nGg;",
+    "&nGt;",
+    "&nGtv;",
+    "&nLeftarrow;",
+    "&nLeftrightarrow;",
+    "&nLl;",
+    "&nLt;",
+    "&nLtv;",
+    "&nRightarrow;",
+    "&nVDash;",
+    "&nVdash;",
+    "&nabla;",
+    "&nacute;",
+    "&nang;",
+    "&nap;",
+    "&napE;",
+    "&napid;",
+    "&napos;",
+    "&napprox;",
+    "&natur;",
+    "&natural;",
+    "&naturals;",
+    "&nbsp;",
+    "&nbump;",
+    "&nbumpe;",
+    "&ncap;",
+    "&ncaron;",
+    "&ncedil;",
+    "&ncong;",
+    "&ncongdot;",
+    "&ncup;",
+    "&ncy;",
+    "&ndash;",
+    "&ne;",
+    "&neArr;",
+    "&nearhk;",
+    "&nearr;",
+    "&nearrow;",
+    "&nedot;",
+    "&nequiv;",
+    "&nesear;",
+    "&nesim;",
+    "&nexist;",
+    "&nexists;",
+    "&nfr;",
+    "&ngE;",
+    "&nge;",
+    "&ngeq;",
+    "&ngeqq;",
+    "&ngeqslant;",
+    "&nges;",
+    "&ngsim;",
+    "&ngt;",
+    "&ngtr;",
+    "&nhArr;",
+    "&nharr;",
+    "&nhpar;",
+    "&ni;",
+    "&nis;",
+    "&nisd;",
+    "&niv;",
+    "&njcy;",
+    "&nlArr;",
+    "&nlE;",
+    "&nlarr;",
+    "&nldr;",
+    "&nle;",
+    "&nleftarrow;",
+    "&nleftrightarrow;",
+    "&nleq;",
+    "&nleqq;",
+    "&nleqslant;",
+    "&nles;",
+    "&nless;",
+    "&nlsim;",
+    "&nlt;",
+    "&nltri;",
+    "&nltrie;",
+    "&nmid;",
+    "&nopf;",
+    "&not;",
+    "&notin;",
+    "&notinE;",
+    "&notindot;",
+    "&notinva;",
+    "&notinvb;",
+    "&notinvc;",
+    "&notni;",
+    "&notniva;",
+    "&notnivb;",
+    "&notnivc;",
+    "&npar;",
+    "&nparallel;",
+    "&nparsl;",
+    "&npart;",
+    "&npolint;",
+    "&npr;",
+    "&nprcue;",
+    "&npre;",
+    "&nprec;",
+    "&npreceq;",
+    "&nrArr;",
+    "&nrarr;",
+    "&nrarrc;",
+    "&nrarrw;",
+    "&nrightarrow;",
+    "&nrtri;",
+    "&nrtrie;",
+    "&nsc;",
+    "&nsccue;",
+    "&nsce;",
+    "&nscr;",
+    "&nshortmid;",
+    "&nshortparallel;",
+    "&nsim;",
+    "&nsime;",
+    "&nsimeq;",
+    "&nsmid;",
+    "&nspar;",
+    "&nsqsube;",
+    "&nsqsupe;",
+    "&nsub;",
+    "&nsubE;",
+    "&nsube;",
+    "&nsubset;",
+    "&nsubseteq;",
+    "&nsubseteqq;",
+    "&nsucc;",
+    "&nsucceq;",
+    "&nsup;",
+    "&nsupE;",
+    "&nsupe;",
+    "&nsupset;",
+    "&nsupseteq;",
+    "&nsupseteqq;",
+    "&ntgl;",
+    "&ntilde;",
+    "&ntlg;",
+    "&ntriangleleft;",
+    "&ntrianglelefteq;",
+    "&ntriangleright;",
+    "&ntrianglerighteq;",
+    "&nu;",
+    "&num;",
+    "&numero;",
+    "&numsp;",
+    "&nvDash;",
+    "&nvHarr;",
+    "&nvap;",
+    "&nvdash;",
+    "&nvge;",
+    "&nvgt;",
+    "&nvinfin;",
+    "&nvlArr;",
+    "&nvle;",
+    "&nvlt;",
+    "&nvltrie;",
+    "&nvrArr;",
+    "&nvrtrie;",
+    "&nvsim;",
+    "&nwArr;",
+    "&nwarhk;",
+    "&nwarr;",
+    "&nwarrow;",
+    "&nwnear;",
+    "&oS;",
+    "&oacute;",
+    "&oast;",
+    "&ocir;",
+    "&ocirc;",
+    "&ocy;",
+    "&odash;",
+    "&odblac;",
+    "&odiv;",
+    "&odot;",
+    "&odsold;",
+    "&oelig;",
+    "&ofcir;",
+    "&ofr;",
+    "&ogon;",
+    "&ograve;",
+    "&ogt;",
+    "&ohbar;",
+    "&ohm;",
+    "&oint;",
+    "&olarr;",
+    "&olcir;",
+    "&olcross;",
+    "&oline;",
+    "&olt;",
+    "&omacr;",
+    "&omega;",
+    "&omicron;",
+    "&omid;",
+    "&ominus;",
+    "&oopf;",
+    "&opar;",
+    "&operp;",
+    "&oplus;",
+    "&or;",
+    "&orarr;",
+    "&ord;",
+    "&order;",
+    "&orderof;",
+    "&ordf;",
+    "&ordm;",
+    "&origof;",
+    "&oror;",
+    "&orslope;",
+    "&orv;",
+    "&oscr;",
+    "&oslash;",
+    "&osol;",
+    "&otilde;",
+    "&otimes;",
+    "&otimesas;",
+    "&ouml;",
+    "&ovbar;",
+    "&par;",
+    "&para;",
+    "&parallel;",
+    "&parsim;",
+    "&parsl;",
+    "&part;",
+    "&pcy;",
+    "&percnt;",
+    "&period;",
+    "&permil;",
+    "&perp;",
+    "&pertenk;",
+    "&pfr;",
+    "&phi;",
+    "&phiv;",
+    "&phmmat;",
+    "&phone;",
+    "&pi;",
+    "&pitchfork;",
+    "&piv;",
+    "&planck;",
+    "&planckh;",
+    "&plankv;",
+    "&plus;",
+    "&plusacir;",
+    "&plusb;",
+    "&pluscir;",
+    "&plusdo;",
+    "&plusdu;",
+    "&pluse;",
+    "&plusmn;",
+    "&plussim;",
+    "&plustwo;",
+    "&pm;",
+    "&pointint;",
+    "&popf;",
+    "&pound;",
+    "&pr;",
+    "&prE;",
+    "&prap;",
+    "&prcue;",
+    "&pre;",
+    "&prec;",
+    "&precapprox;",
+    "&preccurlyeq;",
+    "&preceq;",
+    "&precnapprox;",
+    "&precneqq;",
+    "&precnsim;",
+    "&precsim;",
+    "&prime;",
+    "&primes;",
+    "&prnE;",
+    "&prnap;",
+    "&prnsim;",
+    "&prod;",
+    "&profalar;",
+    "&profline;",
+    "&profsurf;",
+    "&prop;",
+    "&propto;",
+    "&prsim;",
+    "&prurel;",
+    "&pscr;",
+    "&psi;",
+    "&puncsp;",
+    "&qfr;",
+    "&qint;",
+    "&qopf;",
+    "&qprime;",
+    "&qscr;",
+    "&quaternions;",
+    "&quatint;",
+    "&quest;",
+    "&questeq;",
+    "&quot;",
+    "&rAarr;",
+    "&rArr;",
+    "&rAtail;",
+    "&rBarr;",
+    "&rHar;",
+    "&race;",
+    "&racute;",
+    "&radic;",
+    "&raemptyv;",
+    "&rang;",
+    "&rangd;",
+    "&range;",
+    "&rangle;",
+    "&raquo;",
+    "&rarr;",
+    "&rarrap;",
+    "&rarrb;",
+    "&rarrbfs;",
+    "&rarrc;",
+    "&rarrfs;",
+    "&rarrhk;",
+    "&rarrlp;",
+    "&rarrpl;",
+    "&rarrsim;",
+    "&rarrtl;",
+    "&rarrw;",
+    "&ratail;",
+    "&ratio;",
+    "&rationals;",
+    "&rbarr;",
+    "&rbbrk;",
+    "&rbrace;",
+    "&rbrack;",
+    "&rbrke;",
+    "&rbrksld;",
+    "&rbrkslu;",
+    "&rcaron;",
+    "&rcedil;",
+    "&rceil;",
+    "&rcub;",
+    "&rcy;",
+    "&rdca;",
+    "&rdldhar;",
+    "&rdquo;",
+    "&rdquor;",
+    "&rdsh;",
+    "&real;",
+    "&realine;",
+    "&realpart;",
+    "&reals;",
+    "&rect;",
+    "&reg;",
+    "&rfisht;",
+    "&rfloor;",
+    "&rfr;",
+    "&rhard;",
+    "&rharu;",
+    "&rharul;",
+    "&rho;",
+    "&rhov;",
+    "&rightarrow;",
+    "&rightarrowtail;",
+    "&rightharpoondown;",
+    "&rightharpoonup;",
+    "&rightleftarrows;",
+    "&rightleftharpoons;",
+    "&rightrightarrows;",
+    "&rightsquigarrow;",
+    "&rightthreetimes;",
+    "&ring;",
+    "&risingdotseq;",
+    "&rlarr;",
+    "&rlhar;",
+    "&rlm;",
+    "&rmoust;",
+    "&rmoustache;",
+    "&rnmid;",
+    "&roang;",
+    "&roarr;",
+    "&robrk;",
+    "&ropar;",
+    "&ropf;",
+    "&roplus;",
+    "&rotimes;",
+    "&rpar;",
+    "&rpargt;",
+    "&rppolint;",
+    "&rrarr;",
+    "&rsaquo;",
+    "&rscr;",
+    "&rsh;",
+    "&rsqb;",
+    "&rsquo;",
+    "&rsquor;",
+    "&rthree;",
+    "&rtimes;",
+    "&rtri;",
+    "&rtrie;",
+    "&rtrif;",
+    "&rtriltri;",
+    "&ruluhar;",
+    "&rx;",
+    "&sacute;",
+    "&sbquo;",
+    "&sc;",
+    "&scE;",
+    "&scap;",
+    "&scaron;",
+    "&sccue;",
+    "&sce;",
+    "&scedil;",
+    "&scirc;",
+    "&scnE;",
+    "&scnap;",
+    "&scnsim;",
+    "&scpolint;",
+    "&scsim;",
+    "&scy;",
+    "&sdot;",
+    "&sdotb;",
+    "&sdote;",
+    "&seArr;",
+    "&searhk;",
+    "&searr;",
+    "&searrow;",
+    "&sect;",
+    "&semi;",
+    "&seswar;",
+    "&setminus;",
+    "&setmn;",
+    "&sext;",
+    "&sfr;",
+    "&sfrown;",
+    "&sharp;",
+    "&shchcy;",
+    "&shcy;",
+    "&shortmid;",
+    "&shortparallel;",
+    "&shy;",
+    "&sigma;",
+    "&sigmaf;",
+    "&sigmav;",
+    "&sim;",
+    "&simdot;",
+    "&sime;",
+    "&simeq;",
+    "&simg;",
+    "&simgE;",
+    "&siml;",
+    "&simlE;",
+    "&simne;",
+    "&simplus;",
+    "&simrarr;",
+    "&slarr;",
+    "&smallsetminus;",
+    "&smashp;",
+    "&smeparsl;",
+    "&smid;",
+    "&smile;",
+    "&smt;",
+    "&smte;",
+    "&smtes;",
+    "&softcy;",
+    "&sol;",
+    "&solb;",
+    "&solbar;",
+    "&sopf;",
+    "&spades;",
+    "&spadesuit;",
+    "&spar;",
+    "&sqcap;",
+    "&sqcaps;",
+    "&sqcup;",
+    "&sqcups;",
+    "&sqsub;",
+    "&sqsube;",
+    "&sqsubset;",
+    "&sqsubseteq;",
+    "&sqsup;",
+    "&sqsupe;",
+    "&sqsupset;",
+    "&sqsupseteq;",
+    "&squ;",
+    "&square;",
+    "&squarf;",
+    "&squf;",
+    "&srarr;",
+    "&sscr;",
+    "&ssetmn;",
+    "&ssmile;",
+    "&sstarf;",
+    "&star;",
+    "&starf;",
+    "&straightepsilon;",
+    "&straightphi;",
+    "&strns;",
+    "&sub;",
+    "&subE;",
+    "&subdot;",
+    "&sube;",
+    "&subedot;",
+    "&submult;",
+    "&subnE;",
+    "&subne;",
+    "&subplus;",
+    "&subrarr;",
+    "&subset;",
+    "&subseteq;",
+    "&subseteqq;",
+    "&subsetneq;",
+    "&subsetneqq;",
+    "&subsim;",
+    "&subsub;",
+    "&subsup;",
+    "&succ;",
+    "&succapprox;",
+    "&succcurlyeq;",
+    "&succeq;",
+    "&succnapprox;",
+    "&succneqq;",
+    "&succnsim;",
+    "&succsim;",
+    "&sum;",
+    "&sung;",
+    "&sup;",
+    "&sup1;",
+    "&sup2;",
+    "&sup3;",
+    "&supE;",
+    "&supdot;",
+    "&supdsub;",
+    "&supe;",
+    "&supedot;",
+    "&suphsol;",
+    "&suphsub;",
+    "&suplarr;",
+    "&supmult;",
+    "&supnE;",
+    "&supne;",
+    "&supplus;",
+    "&supset;",
+    "&supseteq;",
+    "&supseteqq;",
+    "&supsetneq;",
+    "&supsetneqq;",
+    "&supsim;",
+    "&supsub;",
+    "&supsup;",
+    "&swArr;",
+    "&swarhk;",
+    "&swarr;",
+    "&swarrow;",
+    "&swnwar;",
+    "&szlig;",
+    "&target;",
+    "&tau;",
+    "&tbrk;",
+    "&tcaron;",
+    "&tcedil;",
+    "&tcy;",
+    "&tdot;",
+    "&telrec;",
+    "&tfr;",
+    "&there4;",
+    "&therefore;",
+    "&theta;",
+    "&thetasym;",
+    "&thetav;",
+    "&thickapprox;",
+    "&thicksim;",
+    "&thinsp;",
+    "&thkap;",
+    "&thksim;",
+    "&thorn;",
+    "&tilde;",
+    "&times;",
+    "&timesb;",
+    "&timesbar;",
+    "&timesd;",
+    "&tint;",
+    "&toea;",
+    "&top;",
+    "&topbot;",
+    "&topcir;",
+    "&topf;",
+    "&topfork;",
+    "&tosa;",
+    "&tprime;",
+    "&trade;",
+    "&triangle;",
+    "&triangledown;",
+    "&triangleleft;",
+    "&trianglelefteq;",
+    "&triangleq;",
+    "&triangleright;",
+    "&trianglerighteq;",
+    "&tridot;",
+    "&trie;",
+    "&triminus;",
+    "&triplus;",
+    "&trisb;",
+    "&tritime;",
+    "&trpezium;",
+    "&tscr;",
+    "&tscy;",
+    "&tshcy;",
+    "&tstrok;",
+    "&twixt;",
+    "&twoheadleftarrow;",
+    "&twoheadrightarrow;",
+    "&uArr;",
+    "&uHar;",
+    "&uacute;",
+    "&uarr;",
+    "&ubrcy;",
+    "&ubreve;",
+    "&ucirc;",
+    "&ucy;",
+    "&udarr;",
+    "&udblac;",
+    "&udhar;",
+    "&ufisht;",
+    "&ufr;",
+    "&ugrave;",
+    "&uharl;",
+    "&uharr;",
+    "&uhblk;",
+    "&ulcorn;",
+    "&ulcorner;",
+    "&ulcrop;",
+    "&ultri;",
+    "&umacr;",
+    "&uml;",
+    "&uogon;",
+    "&uopf;",
+    "&uparrow;",
+    "&updownarrow;",
+    "&upharpoonleft;",
+    "&upharpoonright;",
+    "&uplus;",
+    "&upsi;",
+    "&upsih;",
+    "&upsilon;",
+    "&upuparrows;",
+    "&urcorn;",
+    "&urcorner;",
+    "&urcrop;",
+    "&uring;",
+    "&urtri;",
+    "&uscr;",
+    "&utdot;",
+    "&utilde;",
+    "&utri;",
+    "&utrif;",
+    "&uuarr;",
+    "&uuml;",
+    "&uwangle;",
+    "&vArr;",
+    "&vBar;",
+    "&vBarv;",
+    "&vDash;",
+    "&vangrt;",
+    "&varepsilon;",
+    "&varkappa;",
+    "&varnothing;",
+    "&varphi;",
+    "&varpi;",
+    "&varpropto;",
+    "&varr;",
+    "&varrho;",
+    "&varsigma;",
+    "&varsubsetneq;",
+    "&varsubsetneqq;",
+    "&varsupsetneq;",
+    "&varsupsetneqq;",
+    "&vartheta;",
+    "&vartriangleleft;",
+    "&vartriangleright;",
+    "&vcy;",
+    "&vdash;",
+    "&vee;",
+    "&veebar;",
+    "&veeeq;",
+    "&vellip;",
+    "&verbar;",
+    "&vert;",
+    "&vfr;",
+    "&vltri;",
+    "&vnsub;",
+    "&vnsup;",
+    "&vopf;",
+    "&vprop;",
+    "&vrtri;",
+    "&vscr;",
+    "&vsubnE;",
+    "&vsubne;",
+    "&vsupnE;",
+    "&vsupne;",
+    "&vzigzag;",
+    "&wcirc;",
+    "&wedbar;",
+    "&wedge;",
+    "&wedgeq;",
+    "&weierp;",
+    "&wfr;",
+    "&wopf;",
+    "&wp;",
+    "&wr;",
+    "&wreath;",
+    "&wscr;",
+    "&xcap;",
+    "&xcirc;",
+    "&xcup;",
+    "&xdtri;",
+    "&xfr;",
+    "&xhArr;",
+    "&xharr;",
+    "&xi;",
+    "&xlArr;",
+    "&xlarr;",
+    "&xmap;",
+    "&xnis;",
+    "&xodot;",
+    "&xopf;",
+    "&xoplus;",
+    "&xotime;",
+    "&xrArr;",
+    "&xrarr;",
+    "&xscr;",
+    "&xsqcup;",
+    "&xuplus;",
+    "&xutri;",
+    "&xvee;",
+    "&xwedge;",
+    "&yacute;",
+    "&yacy;",
+    "&ycirc;",
+    "&ycy;",
+    "&yen;",
+    "&yfr;",
+    "&yicy;",
+    "&yopf;",
+    "&yscr;",
+    "&yucy;",
+    "&yuml;",
+    "&zacute;",
+    "&zcaron;",
+    "&zcy;",
+    "&zdot;",
+    "&zeetrf;",
+    "&zeta;",
+    "&zfr;",
+    "&zhcy;",
+    "&zigrarr;",
+    "&zopf;",
+    "&zscr;",
+    "&zwj;",
+    "&zwnj;",
+);
+
+foreach ($map as $str) {
+    $de = html_entity_decode($str, ENT_QUOTES | ENT_HTML5, "UTF-8");
+    echo "$str => $de ", bin2hex($de), "\n";
+}
+?>
+--EXPECT--
+&AElig; => Æ c386
+&AMP; => & 26
+&Aacute; => � c381
+&Abreve; => Ä‚ c482
+&Acirc; => Â c382
+&Acy; => � d090
+&Afr; => � f09d9484
+&Agrave; => À c380
+&Alpha; => Α ce91
+&Amacr; => Ā c480
+&And; => â©“ e2a993
+&Aogon; => Ä„ c484
+&Aopf; => � f09d94b8
+&ApplyFunction; => � e281a1
+&Aring; => Ã… c385
+&Ascr; => � f09d929c
+&Assign; => ≔ e28994
+&Atilde; => Ã c383
+&Auml; => Ä c384
+&Backslash; => ∖ e28896
+&Barv; => ⫧ e2aba7
+&Barwed; => ⌆ e28c86
+&Bcy; => Б d091
+&Because; => ∵ e288b5
+&Bernoullis; => ℬ e284ac
+&Beta; => Î’ ce92
+&Bfr; => � f09d9485
+&Bopf; => � f09d94b9
+&Breve; => ˘ cb98
+&Bscr; => ℬ e284ac
+&Bumpeq; => ≎ e2898e
+&CHcy; => Ч d0a7
+&COPY; => © c2a9
+&Cacute; => Ć c486
+&Cap; => â‹’ e28b92
+&CapitalDifferentialD; => â…… e28585
+&Cayleys; => â„­ e284ad
+&Ccaron; => Č c48c
+&Ccedil; => Ç c387
+&Ccirc; => Ĉ c488
+&Cconint; => ∰ e288b0
+&Cdot; => ÄŠ c48a
+&Cedilla; => ¸ c2b8
+&CenterDot; => · c2b7
+&Cfr; => â„­ e284ad
+&Chi; => Χ cea7
+&CircleDot; => ⊙ e28a99
+&CircleMinus; => ⊖ e28a96
+&CirclePlus; => ⊕ e28a95
+&CircleTimes; => ⊗ e28a97
+&ClockwiseContourIntegral; => ∲ e288b2
+&CloseCurlyDoubleQuote; => � e2809d
+&CloseCurlyQuote; => ’ e28099
+&Colon; => ∷ e288b7
+&Colone; => â©´ e2a9b4
+&Congruent; => ≡ e289a1
+&Conint; => ∯ e288af
+&ContourIntegral; => ∮ e288ae
+&Copf; => â„‚ e28482
+&Coproduct; => � e28890
+&CounterClockwiseContourIntegral; => ∳ e288b3
+&Cross; => ⨯ e2a8af
+&Cscr; => � f09d929e
+&Cup; => â‹“ e28b93
+&CupCap; => � e2898d
+&DD; => â…… e28585
+&DDotrahd; => ⤑ e2a491
+&DJcy; => Ђ d082
+&DScy; => Ð… d085
+&DZcy; => � d08f
+&Dagger; => ‡ e280a1
+&Darr; => ↡ e286a1
+&Dashv; => ⫤ e2aba4
+&Dcaron; => ÄŽ c48e
+&Dcy; => Д d094
+&Del; => ∇ e28887
+&Delta; => Δ ce94
+&Dfr; => � f09d9487
+&DiacriticalAcute; => ´ c2b4
+&DiacriticalDot; => Ë™ cb99
+&DiacriticalDoubleAcute; => � cb9d
+&DiacriticalGrave; => ` 60
+&DiacriticalTilde; => ˜ cb9c
+&Diamond; => â‹„ e28b84
+&DifferentialD; => â…† e28586
+&Dopf; => � f09d94bb
+&Dot; => ¨ c2a8
+&DotDot; => ⃜ e2839c
+&DotEqual; => � e28990
+&DoubleContourIntegral; => ∯ e288af
+&DoubleDot; => ¨ c2a8
+&DoubleDownArrow; => ⇓ e28793
+&DoubleLeftArrow; => � e28790
+&DoubleLeftRightArrow; => ⇔ e28794
+&DoubleLeftTee; => ⫤ e2aba4
+&DoubleLongLeftArrow; => ⟸ e29fb8
+&DoubleLongLeftRightArrow; => ⟺ e29fba
+&DoubleLongRightArrow; => ⟹ e29fb9
+&DoubleRightArrow; => ⇒ e28792
+&DoubleRightTee; => ⊨ e28aa8
+&DoubleUpArrow; => ⇑ e28791
+&DoubleUpDownArrow; => ⇕ e28795
+&DoubleVerticalBar; => ∥ e288a5
+&DownArrow; => ↓ e28693
+&DownArrowBar; => ⤓ e2a493
+&DownArrowUpArrow; => ⇵ e287b5
+&DownBreve; => Ì‘ cc91
+&DownLeftRightVector; => � e2a590
+&DownLeftTeeVector; => ⥞ e2a59e
+&DownLeftVector; => ↽ e286bd
+&DownLeftVectorBar; => ⥖ e2a596
+&DownRightTeeVector; => ⥟ e2a59f
+&DownRightVector; => � e28781
+&DownRightVectorBar; => ⥗ e2a597
+&DownTee; => ⊤ e28aa4
+&DownTeeArrow; => ↧ e286a7
+&Downarrow; => ⇓ e28793
+&Dscr; => � f09d929f
+&Dstrok; => � c490
+&ENG; => ÅŠ c58a
+&ETH; => � c390
+&Eacute; => É c389
+&Ecaron; => Äš c49a
+&Ecirc; => Ê c38a
+&Ecy; => Э d0ad
+&Edot; => Ä– c496
+&Efr; => � f09d9488
+&Egrave; => È c388
+&Element; => ∈ e28888
+&Emacr; => Ä’ c492
+&EmptySmallSquare; => â—» e297bb
+&EmptyVerySmallSquare; => â–« e296ab
+&Eogon; => Ę c498
+&Eopf; => � f09d94bc
+&Epsilon; => Ε ce95
+&Equal; => ⩵ e2a9b5
+&EqualTilde; => ≂ e28982
+&Equilibrium; => ⇌ e2878c
+&Escr; => â„° e284b0
+&Esim; => ⩳ e2a9b3
+&Eta; => Η ce97
+&Euml; => Ë c38b
+&Exists; => ∃ e28883
+&ExponentialE; => â…‡ e28587
+&Fcy; => Ф d0a4
+&Ffr; => � f09d9489
+&FilledSmallSquare; => â—¼ e297bc
+&FilledVerySmallSquare; => â–ª e296aa
+&Fopf; => � f09d94bd
+&ForAll; => ∀ e28880
+&Fouriertrf; => ℱ e284b1
+&Fscr; => ℱ e284b1
+&GJcy; => Ѓ d083
+&GT; => > 3e
+&Gamma; => Γ ce93
+&Gammad; => Ϝ cf9c
+&Gbreve; => Äž c49e
+&Gcedil; => Ģ c4a2
+&Gcirc; => Ĝ c49c
+&Gcy; => Г d093
+&Gdot; => Ä  c4a0
+&Gfr; => � f09d948a
+&Gg; => â‹™ e28b99
+&Gopf; => � f09d94be
+&GreaterEqual; => ≥ e289a5
+&GreaterEqualLess; => â‹› e28b9b
+&GreaterFullEqual; => ≧ e289a7
+&GreaterGreater; => ⪢ e2aaa2
+&GreaterLess; => ≷ e289b7
+&GreaterSlantEqual; => ⩾ e2a9be
+&GreaterTilde; => ≳ e289b3
+&Gscr; => � f09d92a2
+&Gt; => ≫ e289ab
+&HARDcy; => Ъ d0aa
+&Hacek; => ˇ cb87
+&Hat; => ^ 5e
+&Hcirc; => Ĥ c4a4
+&Hfr; => ℌ e2848c
+&HilbertSpace; => â„‹ e2848b
+&Hopf; => � e2848d
+&HorizontalLine; => ─ e29480
+&Hscr; => â„‹ e2848b
+&Hstrok; => Ħ c4a6
+&HumpDownHump; => ≎ e2898e
+&HumpEqual; => � e2898f
+&IEcy; => Е d095
+&IJlig; => IJ c4b2
+&IOcy; => � d081
+&Iacute; => � c38d
+&Icirc; => ÃŽ c38e
+&Icy; => И d098
+&Idot; => Ä° c4b0
+&Ifr; => â„‘ e28491
+&Igrave; => Ì c38c
+&Im; => â„‘ e28491
+&Imacr; => Ī c4aa
+&ImaginaryI; => â…ˆ e28588
+&Implies; => ⇒ e28792
+&Int; => ∬ e288ac
+&Integral; => ∫ e288ab
+&Intersection; => â‹‚ e28b82
+&InvisibleComma; => � e281a3
+&InvisibleTimes; => � e281a2
+&Iogon; => Ä® c4ae
+&Iopf; => � f09d9580
+&Iota; => Ι ce99
+&Iscr; => � e28490
+&Itilde; => Ĩ c4a8
+&Iukcy; => І d086
+&Iuml; => � c38f
+&Jcirc; => Ä´ c4b4
+&Jcy; => Й d099
+&Jfr; => � f09d948d
+&Jopf; => � f09d9581
+&Jscr; => � f09d92a5
+&Jsercy; => Ј d088
+&Jukcy; => Є d084
+&KHcy; => Х d0a5
+&KJcy; => Ќ d08c
+&Kappa; => Κ ce9a
+&Kcedil; => Ķ c4b6
+&Kcy; => К d09a
+&Kfr; => � f09d948e
+&Kopf; => � f09d9582
+&Kscr; => � f09d92a6
+&LJcy; => Љ d089
+&LT; => < 3c
+&Lacute; => Ĺ c4b9
+&Lambda; => Λ ce9b
+&Lang; => ⟪ e29faa
+&Laplacetrf; => â„’ e28492
+&Larr; => ↞ e2869e
+&Lcaron; => Ľ c4bd
+&Lcedil; => Ä» c4bb
+&Lcy; => Л d09b
+&LeftAngleBracket; => ⟨ e29fa8
+&LeftArrow; => � e28690
+&LeftArrowBar; => ⇤ e287a4
+&LeftArrowRightArrow; => ⇆ e28786
+&LeftCeiling; => ⌈ e28c88
+&LeftDoubleBracket; => ⟦ e29fa6
+&LeftDownTeeVector; => ⥡ e2a5a1
+&LeftDownVector; => ⇃ e28783
+&LeftDownVectorBar; => ⥙ e2a599
+&LeftFloor; => ⌊ e28c8a
+&LeftRightArrow; => ↔ e28694
+&LeftRightVector; => ⥎ e2a58e
+&LeftTee; => ⊣ e28aa3
+&LeftTeeArrow; => ↤ e286a4
+&LeftTeeVector; => ⥚ e2a59a
+&LeftTriangle; => ⊲ e28ab2
+&LeftTriangleBar; => � e2a78f
+&LeftTriangleEqual; => ⊴ e28ab4
+&LeftUpDownVector; => ⥑ e2a591
+&LeftUpTeeVector; => ⥠ e2a5a0
+&LeftUpVector; => ↿ e286bf
+&LeftUpVectorBar; => ⥘ e2a598
+&LeftVector; => ↼ e286bc
+&LeftVectorBar; => ⥒ e2a592
+&Leftarrow; => � e28790
+&Leftrightarrow; => ⇔ e28794
+&LessEqualGreater; => â‹š e28b9a
+&LessFullEqual; => ≦ e289a6
+&LessGreater; => ≶ e289b6
+&LessLess; => ⪡ e2aaa1
+&LessSlantEqual; => ⩽ e2a9bd
+&LessTilde; => ≲ e289b2
+&Lfr; => � f09d948f
+&Ll; => ⋘ e28b98
+&Lleftarrow; => ⇚ e2879a
+&Lmidot; => Ä¿ c4bf
+&LongLeftArrow; => ⟵ e29fb5
+&LongLeftRightArrow; => ⟷ e29fb7
+&LongRightArrow; => ⟶ e29fb6
+&Longleftarrow; => ⟸ e29fb8
+&Longleftrightarrow; => ⟺ e29fba
+&Longrightarrow; => ⟹ e29fb9
+&Lopf; => � f09d9583
+&LowerLeftArrow; => ↙ e28699
+&LowerRightArrow; => ↘ e28698
+&Lscr; => â„’ e28492
+&Lsh; => ↰ e286b0
+&Lstrok; => � c581
+&Lt; => ≪ e289aa
+&Map; => ⤅ e2a485
+&Mcy; => М d09c
+&MediumSpace; => � e2819f
+&Mellintrf; => ℳ e284b3
+&Mfr; => � f09d9490
+&MinusPlus; => ∓ e28893
+&Mopf; => � f09d9584
+&Mscr; => ℳ e284b3
+&Mu; => Μ ce9c
+&NJcy; => Њ d08a
+&Nacute; => Ń c583
+&Ncaron; => Ň c587
+&Ncedil; => Å… c585
+&Ncy; => � d09d
+&NegativeMediumSpace; => ​ e2808b
+&NegativeThickSpace; => ​ e2808b
+&NegativeThinSpace; => ​ e2808b
+&NegativeVeryThinSpace; => ​ e2808b
+&NestedGreaterGreater; => ≫ e289ab
+&NestedLessLess; => ≪ e289aa
+&NewLine; => 
+ 0a
+&Nfr; => � f09d9491
+&NoBreak; => � e281a0
+&NonBreakingSpace; =>   c2a0
+&Nopf; => â„• e28495
+&Not; => ⫬ e2abac
+&NotCongruent; => ≢ e289a2
+&NotCupCap; => ≭ e289ad
+&NotDoubleVerticalBar; => ∦ e288a6
+&NotElement; => ∉ e28889
+&NotEqual; => ≠ e289a0
+&NotEqualTilde; => ≂̸ e28982ccb8
+&NotExists; => ∄ e28884
+&NotGreater; => ≯ e289af
+&NotGreaterEqual; => ≱ e289b1
+&NotGreaterFullEqual; => ≧̸ e289a7ccb8
+&NotGreaterGreater; => ≫̸ e289abccb8
+&NotGreaterLess; => ≹ e289b9
+&NotGreaterSlantEqual; => ⩾̸ e2a9beccb8
+&NotGreaterTilde; => ≵ e289b5
+&NotHumpDownHump; => ≎̸ e2898eccb8
+&NotHumpEqual; => �̸ e2898fccb8
+&NotLeftTriangle; => ⋪ e28baa
+&NotLeftTriangleBar; => �̸ e2a78fccb8
+&NotLeftTriangleEqual; => ⋬ e28bac
+&NotLess; => ≮ e289ae
+&NotLessEqual; => ≰ e289b0
+&NotLessGreater; => ≸ e289b8
+&NotLessLess; => ≪̸ e289aaccb8
+&NotLessSlantEqual; => ⩽̸ e2a9bdccb8
+&NotLessTilde; => ≴ e289b4
+&NotNestedGreaterGreater; => ⪢̸ e2aaa2ccb8
+&NotNestedLessLess; => ⪡̸ e2aaa1ccb8
+&NotPrecedes; => ⊀ e28a80
+&NotPrecedesEqual; => ⪯̸ e2aaafccb8
+&NotPrecedesSlantEqual; => â‹  e28ba0
+&NotReverseElement; => ∌ e2888c
+&NotRightTriangle; => â‹« e28bab
+&NotRightTriangleBar; => �̸ e2a790ccb8
+&NotRightTriangleEqual; => â‹­ e28bad
+&NotSquareSubset; => �̸ e28a8fccb8
+&NotSquareSubsetEqual; => â‹¢ e28ba2
+&NotSquareSuperset; => �̸ e28a90ccb8
+&NotSquareSupersetEqual; => â‹£ e28ba3
+&NotSubset; => ⊂⃒ e28a82e28392
+&NotSubsetEqual; => ⊈ e28a88
+&NotSucceeds; => � e28a81
+&NotSucceedsEqual; => ⪰̸ e2aab0ccb8
+&NotSucceedsSlantEqual; => â‹¡ e28ba1
+&NotSucceedsTilde; => ≿̸ e289bfccb8
+&NotSuperset; => ⊃⃒ e28a83e28392
+&NotSupersetEqual; => ⊉ e28a89
+&NotTilde; => � e28981
+&NotTildeEqual; => ≄ e28984
+&NotTildeFullEqual; => ≇ e28987
+&NotTildeTilde; => ≉ e28989
+&NotVerticalBar; => ∤ e288a4
+&Nscr; => � f09d92a9
+&Ntilde; => Ñ c391
+&Nu; => � ce9d
+&OElig; => Å’ c592
+&Oacute; => Ó c393
+&Ocirc; => Ô c394
+&Ocy; => О d09e
+&Odblac; => � c590
+&Ofr; => � f09d9492
+&Ograve; => Ã’ c392
+&Omacr; => Ō c58c
+&Omega; => Ω cea9
+&Omicron; => Ο ce9f
+&Oopf; => � f09d9586
+&OpenCurlyDoubleQuote; => “ e2809c
+&OpenCurlyQuote; => ‘ e28098
+&Or; => â©” e2a994
+&Oscr; => � f09d92aa
+&Oslash; => Ø c398
+&Otilde; => Õ c395
+&Otimes; => ⨷ e2a8b7
+&Ouml; => Ö c396
+&OverBar; => ‾ e280be
+&OverBrace; => � e28f9e
+&OverBracket; => ⎴ e28eb4
+&OverParenthesis; => � e28f9c
+&PartialD; => ∂ e28882
+&Pcy; => П d09f
+&Pfr; => � f09d9493
+&Phi; => Φ cea6
+&Pi; => Π cea0
+&PlusMinus; => ± c2b1
+&Poincareplane; => ℌ e2848c
+&Popf; => â„™ e28499
+&Pr; => ⪻ e2aabb
+&Precedes; => ≺ e289ba
+&PrecedesEqual; => ⪯ e2aaaf
+&PrecedesSlantEqual; => ≼ e289bc
+&PrecedesTilde; => ≾ e289be
+&Prime; => ″ e280b3
+&Product; => � e2888f
+&Proportion; => ∷ e288b7
+&Proportional; => � e2889d
+&Pscr; => � f09d92ab
+&Psi; => Ψ cea8
+&QUOT; => " 22
+&Qfr; => � f09d9494
+&Qopf; => â„š e2849a
+&Qscr; => � f09d92ac
+&RBarr; => � e2a490
+&REG; => ® c2ae
+&Racute; => Å” c594
+&Rang; => ⟫ e29fab
+&Rarr; => ↠ e286a0
+&Rarrtl; => ⤖ e2a496
+&Rcaron; => Ř c598
+&Rcedil; => Å– c596
+&Rcy; => Р d0a0
+&Re; => ℜ e2849c
+&ReverseElement; => ∋ e2888b
+&ReverseEquilibrium; => ⇋ e2878b
+&ReverseUpEquilibrium; => ⥯ e2a5af
+&Rfr; => ℜ e2849c
+&Rho; => Ρ cea1
+&RightAngleBracket; => ⟩ e29fa9
+&RightArrow; => → e28692
+&RightArrowBar; => ⇥ e287a5
+&RightArrowLeftArrow; => ⇄ e28784
+&RightCeiling; => ⌉ e28c89
+&RightDoubleBracket; => ⟧ e29fa7
+&RightDownTeeVector; => � e2a59d
+&RightDownVector; => ⇂ e28782
+&RightDownVectorBar; => ⥕ e2a595
+&RightFloor; => ⌋ e28c8b
+&RightTee; => ⊢ e28aa2
+&RightTeeArrow; => ↦ e286a6
+&RightTeeVector; => ⥛ e2a59b
+&RightTriangle; => ⊳ e28ab3
+&RightTriangleBar; => � e2a790
+&RightTriangleEqual; => ⊵ e28ab5
+&RightUpDownVector; => � e2a58f
+&RightUpTeeVector; => ⥜ e2a59c
+&RightUpVector; => ↾ e286be
+&RightUpVectorBar; => ⥔ e2a594
+&RightVector; => ⇀ e28780
+&RightVectorBar; => ⥓ e2a593
+&Rightarrow; => ⇒ e28792
+&Ropf; => � e2849d
+&RoundImplies; => ⥰ e2a5b0
+&Rrightarrow; => ⇛ e2879b
+&Rscr; => â„› e2849b
+&Rsh; => ↱ e286b1
+&RuleDelayed; => ⧴ e2a7b4
+&SHCHcy; => Щ d0a9
+&SHcy; => Ш d0a8
+&SOFTcy; => Ь d0ac
+&Sacute; => Åš c59a
+&Sc; => ⪼ e2aabc
+&Scaron; => Å  c5a0
+&Scedil; => Åž c59e
+&Scirc; => Ŝ c59c
+&Scy; => С d0a1
+&Sfr; => � f09d9496
+&ShortDownArrow; => ↓ e28693
+&ShortLeftArrow; => � e28690
+&ShortRightArrow; => → e28692
+&ShortUpArrow; => ↑ e28691
+&Sigma; => Σ cea3
+&SmallCircle; => ∘ e28898
+&Sopf; => � f09d958a
+&Sqrt; => √ e2889a
+&Square; => â–¡ e296a1
+&SquareIntersection; => ⊓ e28a93
+&SquareSubset; => � e28a8f
+&SquareSubsetEqual; => ⊑ e28a91
+&SquareSuperset; => � e28a90
+&SquareSupersetEqual; => ⊒ e28a92
+&SquareUnion; => ⊔ e28a94
+&Sscr; => � f09d92ae
+&Star; => ⋆ e28b86
+&Sub; => � e28b90
+&Subset; => � e28b90
+&SubsetEqual; => ⊆ e28a86
+&Succeeds; => ≻ e289bb
+&SucceedsEqual; => ⪰ e2aab0
+&SucceedsSlantEqual; => ≽ e289bd
+&SucceedsTilde; => ≿ e289bf
+&SuchThat; => ∋ e2888b
+&Sum; => ∑ e28891
+&Sup; => â‹‘ e28b91
+&Superset; => ⊃ e28a83
+&SupersetEqual; => ⊇ e28a87
+&Supset; => â‹‘ e28b91
+&THORN; => Þ c39e
+&TRADE; => â„¢ e284a2
+&TSHcy; => Ћ d08b
+&TScy; => Ц d0a6
+&Tab; => 	 09
+&Tau; => Τ cea4
+&Tcaron; => Ť c5a4
+&Tcedil; => Ţ c5a2
+&Tcy; => Т d0a2
+&Tfr; => � f09d9497
+&Therefore; => ∴ e288b4
+&Theta; => Θ ce98
+&ThickSpace; => �  e2819fe2808a
+&ThinSpace; =>   e28089
+&Tilde; => ∼ e288bc
+&TildeEqual; => ≃ e28983
+&TildeFullEqual; => ≅ e28985
+&TildeTilde; => ≈ e28988
+&Topf; => � f09d958b
+&TripleDot; => ⃛ e2839b
+&Tscr; => � f09d92af
+&Tstrok; => Ŧ c5a6
+&Uacute; => Ú c39a
+&Uarr; => ↟ e2869f
+&Uarrocir; => ⥉ e2a589
+&Ubrcy; => ÐŽ d08e
+&Ubreve; => Ŭ c5ac
+&Ucirc; => Û c39b
+&Ucy; => У d0a3
+&Udblac; => Å° c5b0
+&Ufr; => � f09d9498
+&Ugrave; => Ù c399
+&Umacr; => Ū c5aa
+&UnderBar; => _ 5f
+&UnderBrace; => � e28f9f
+&UnderBracket; => ⎵ e28eb5
+&UnderParenthesis; => � e28f9d
+&Union; => ⋃ e28b83
+&UnionPlus; => ⊎ e28a8e
+&Uogon; => Ų c5b2
+&Uopf; => � f09d958c
+&UpArrow; => ↑ e28691
+&UpArrowBar; => ⤒ e2a492
+&UpArrowDownArrow; => ⇅ e28785
+&UpDownArrow; => ↕ e28695
+&UpEquilibrium; => ⥮ e2a5ae
+&UpTee; => ⊥ e28aa5
+&UpTeeArrow; => ↥ e286a5
+&Uparrow; => ⇑ e28791
+&Updownarrow; => ⇕ e28795
+&UpperLeftArrow; => ↖ e28696
+&UpperRightArrow; => ↗ e28697
+&Upsi; => Ï’ cf92
+&Upsilon; => Υ cea5
+&Uring; => Å® c5ae
+&Uscr; => � f09d92b0
+&Utilde; => Ũ c5a8
+&Uuml; => Ü c39c
+&VDash; => ⊫ e28aab
+&Vbar; => â«« e2abab
+&Vcy; => Ð’ d092
+&Vdash; => ⊩ e28aa9
+&Vdashl; => ⫦ e2aba6
+&Vee; => � e28b81
+&Verbar; => ‖ e28096
+&Vert; => ‖ e28096
+&VerticalBar; => ∣ e288a3
+&VerticalLine; => | 7c
+&VerticalSeparator; => � e29d98
+&VerticalTilde; => ≀ e28980
+&VeryThinSpace; =>   e2808a
+&Vfr; => � f09d9499
+&Vopf; => � f09d958d
+&Vscr; => � f09d92b1
+&Vvdash; => ⊪ e28aaa
+&Wcirc; => Å´ c5b4
+&Wedge; => â‹€ e28b80
+&Wfr; => � f09d949a
+&Wopf; => � f09d958e
+&Wscr; => � f09d92b2
+&Xfr; => � f09d949b
+&Xi; => Ξ ce9e
+&Xopf; => � f09d958f
+&Xscr; => � f09d92b3
+&YAcy; => Я d0af
+&YIcy; => Ї d087
+&YUcy; => Ю d0ae
+&Yacute; => � c39d
+&Ycirc; => Ŷ c5b6
+&Ycy; => Ы d0ab
+&Yfr; => � f09d949c
+&Yopf; => � f09d9590
+&Yscr; => � f09d92b4
+&Yuml; => Ÿ c5b8
+&ZHcy; => Ж d096
+&Zacute; => Ź c5b9
+&Zcaron; => Ž c5bd
+&Zcy; => З d097
+&Zdot; => Å» c5bb
+&ZeroWidthSpace; => ​ e2808b
+&Zeta; => Ζ ce96
+&Zfr; => ℨ e284a8
+&Zopf; => ℤ e284a4
+&Zscr; => � f09d92b5
+&aacute; => á c3a1
+&abreve; => ă c483
+&ac; => ∾ e288be
+&acE; => ∾̳ e288beccb3
+&acd; => ∿ e288bf
+&acirc; => â c3a2
+&acute; => ´ c2b4
+&acy; => а d0b0
+&aelig; => æ c3a6
+&af; => � e281a1
+&afr; => � f09d949e
+&agrave; => à c3a0
+&alefsym; => ℵ e284b5
+&aleph; => ℵ e284b5
+&alpha; => α ceb1
+&amacr; => � c481
+&amalg; => ⨿ e2a8bf
+&amp; => & 26
+&and; => ∧ e288a7
+&andand; => â©• e2a995
+&andd; => ⩜ e2a99c
+&andslope; => ⩘ e2a998
+&andv; => â©š e2a99a
+&ang; => ∠ e288a0
+&ange; => ⦤ e2a6a4
+&angle; => ∠ e288a0
+&angmsd; => ∡ e288a1
+&angmsdaa; => ⦨ e2a6a8
+&angmsdab; => ⦩ e2a6a9
+&angmsdac; => ⦪ e2a6aa
+&angmsdad; => ⦫ e2a6ab
+&angmsdae; => ⦬ e2a6ac
+&angmsdaf; => ⦭ e2a6ad
+&angmsdag; => ⦮ e2a6ae
+&angmsdah; => ⦯ e2a6af
+&angrt; => ∟ e2889f
+&angrtvb; => ⊾ e28abe
+&angrtvbd; => � e2a69d
+&angsph; => ∢ e288a2
+&angst; => Ã… c385
+&angzarr; => � e28dbc
+&aogon; => Ä… c485
+&aopf; => � f09d9592
+&ap; => ≈ e28988
+&apE; => â©° e2a9b0
+&apacir; => ⩯ e2a9af
+&ape; => ≊ e2898a
+&apid; => ≋ e2898b
+&apos; => ' 27
+&approx; => ≈ e28988
+&approxeq; => ≊ e2898a
+&aring; => å c3a5
+&ascr; => � f09d92b6
+&ast; => * 2a
+&asymp; => ≈ e28988
+&asympeq; => � e2898d
+&atilde; => ã c3a3
+&auml; => ä c3a4
+&awconint; => ∳ e288b3
+&awint; => ⨑ e2a891
+&bNot; => â«­ e2abad
+&backcong; => ≌ e2898c
+&backepsilon; => ϶ cfb6
+&backprime; => ‵ e280b5
+&backsim; => ∽ e288bd
+&backsimeq; => � e28b8d
+&barvee; => ⊽ e28abd
+&barwed; => ⌅ e28c85
+&barwedge; => ⌅ e28c85
+&bbrk; => ⎵ e28eb5
+&bbrktbrk; => ⎶ e28eb6
+&bcong; => ≌ e2898c
+&bcy; => б d0b1
+&bdquo; => „ e2809e
+&becaus; => ∵ e288b5
+&because; => ∵ e288b5
+&bemptyv; => ⦰ e2a6b0
+&bepsi; => ϶ cfb6
+&bernou; => ℬ e284ac
+&beta; => β ceb2
+&beth; => ℶ e284b6
+&between; => ≬ e289ac
+&bfr; => � f09d949f
+&bigcap; => â‹‚ e28b82
+&bigcirc; => â—¯ e297af
+&bigcup; => ⋃ e28b83
+&bigodot; => ⨀ e2a880
+&bigoplus; => � e2a881
+&bigotimes; => ⨂ e2a882
+&bigsqcup; => ⨆ e2a886
+&bigstar; => ★ e29885
+&bigtriangledown; => â–½ e296bd
+&bigtriangleup; => â–³ e296b3
+&biguplus; => ⨄ e2a884
+&bigvee; => � e28b81
+&bigwedge; => â‹€ e28b80
+&bkarow; => � e2a48d
+&blacklozenge; => ⧫ e2a7ab
+&blacksquare; => â–ª e296aa
+&blacktriangle; => â–´ e296b4
+&blacktriangledown; => â–¾ e296be
+&blacktriangleleft; => â—‚ e29782
+&blacktriangleright; => â–¸ e296b8
+&blank; => � e290a3
+&blk12; => â–’ e29692
+&blk14; => â–‘ e29691
+&blk34; => â–“ e29693
+&block; => â–ˆ e29688
+&bne; => =⃥ 3de283a5
+&bnequiv; => ≡⃥ e289a1e283a5
+&bnot; => � e28c90
+&bopf; => � f09d9593
+&bot; => ⊥ e28aa5
+&bottom; => ⊥ e28aa5
+&bowtie; => ⋈ e28b88
+&boxDL; => â•— e29597
+&boxDR; => â•” e29594
+&boxDl; => â•– e29596
+&boxDr; => â•“ e29593
+&boxH; => � e29590
+&boxHD; => ╦ e295a6
+&boxHU; => â•© e295a9
+&boxHd; => ╤ e295a4
+&boxHu; => ╧ e295a7
+&boxUL; => � e2959d
+&boxUR; => â•š e2959a
+&boxUl; => ╜ e2959c
+&boxUr; => â•™ e29599
+&boxV; => â•‘ e29591
+&boxVH; => ╬ e295ac
+&boxVL; => â•£ e295a3
+&boxVR; => â•  e295a0
+&boxVh; => â•« e295ab
+&boxVl; => â•¢ e295a2
+&boxVr; => â•Ÿ e2959f
+&boxbox; => ⧉ e2a789
+&boxdL; => â•• e29595
+&boxdR; => â•’ e29592
+&boxdl; => � e29490
+&boxdr; => ┌ e2948c
+&boxh; => ─ e29480
+&boxhD; => â•¥ e295a5
+&boxhU; => ╨ e295a8
+&boxhd; => ┬ e294ac
+&boxhu; => â”´ e294b4
+&boxminus; => ⊟ e28a9f
+&boxplus; => ⊞ e28a9e
+&boxtimes; => ⊠ e28aa0
+&boxuL; => â•› e2959b
+&boxuR; => ╘ e29598
+&boxul; => ┘ e29498
+&boxur; => â”” e29494
+&boxv; => │ e29482
+&boxvH; => ╪ e295aa
+&boxvL; => â•¡ e295a1
+&boxvR; => â•ž e2959e
+&boxvh; => ┼ e294bc
+&boxvl; => ┤ e294a4
+&boxvr; => ├ e2949c
+&bprime; => ‵ e280b5
+&breve; => ˘ cb98
+&brvbar; => ¦ c2a6
+&bscr; => � f09d92b7
+&bsemi; => � e2818f
+&bsim; => ∽ e288bd
+&bsime; => � e28b8d
+&bsol; => \ 5c
+&bsolb; => ⧅ e2a785
+&bsolhsub; => ⟈ e29f88
+&bull; => • e280a2
+&bullet; => • e280a2
+&bump; => ≎ e2898e
+&bumpE; => ⪮ e2aaae
+&bumpe; => � e2898f
+&bumpeq; => � e2898f
+&cacute; => ć c487
+&cap; => ∩ e288a9
+&capand; => â©„ e2a984
+&capbrcup; => ⩉ e2a989
+&capcap; => â©‹ e2a98b
+&capcup; => ⩇ e2a987
+&capdot; => â©€ e2a980
+&caps; => ∩︀ e288a9efb880
+&caret; => � e28181
+&caron; => ˇ cb87
+&ccaps; => � e2a98d
+&ccaron; => � c48d
+&ccedil; => ç c3a7
+&ccirc; => ĉ c489
+&ccups; => ⩌ e2a98c
+&ccupssm; => � e2a990
+&cdot; => Ä‹ c48b
+&cedil; => ¸ c2b8
+&cemptyv; => ⦲ e2a6b2
+&cent; => ¢ c2a2
+&centerdot; => · c2b7
+&cfr; => � f09d94a0
+&chcy; => ч d187
+&check; => ✓ e29c93
+&checkmark; => ✓ e29c93
+&chi; => χ cf87
+&cir; => â—‹ e2978b
+&cirE; => ⧃ e2a783
+&circ; => ˆ cb86
+&circeq; => ≗ e28997
+&circlearrowleft; => ↺ e286ba
+&circlearrowright; => ↻ e286bb
+&circledR; => ® c2ae
+&circledS; => Ⓢ e29388
+&circledast; => ⊛ e28a9b
+&circledcirc; => ⊚ e28a9a
+&circleddash; => � e28a9d
+&cire; => ≗ e28997
+&cirfnint; => � e2a890
+&cirmid; => ⫯ e2abaf
+&cirscir; => ⧂ e2a782
+&clubs; => ♣ e299a3
+&clubsuit; => ♣ e299a3
+&colon; => : 3a
+&colone; => ≔ e28994
+&coloneq; => ≔ e28994
+&comma; => , 2c
+&commat; => @ 40
+&comp; => � e28881
+&compfn; => ∘ e28898
+&complement; => � e28881
+&complexes; => â„‚ e28482
+&cong; => ≅ e28985
+&congdot; => â©­ e2a9ad
+&conint; => ∮ e288ae
+&copf; => � f09d9594
+&coprod; => � e28890
+&copy; => © c2a9
+&copysr; => â„— e28497
+&crarr; => ↵ e286b5
+&cross; => ✗ e29c97
+&cscr; => � f09d92b8
+&csub; => � e2ab8f
+&csube; => â«‘ e2ab91
+&csup; => � e2ab90
+&csupe; => â«’ e2ab92
+&ctdot; => ⋯ e28baf
+&cudarrl; => ⤸ e2a4b8
+&cudarrr; => ⤵ e2a4b5
+&cuepr; => â‹ž e28b9e
+&cuesc; => â‹Ÿ e28b9f
+&cularr; => ↶ e286b6
+&cularrp; => ⤽ e2a4bd
+&cup; => ∪ e288aa
+&cupbrcap; => ⩈ e2a988
+&cupcap; => ⩆ e2a986
+&cupcup; => â©Š e2a98a
+&cupdot; => � e28a8d
+&cupor; => â©… e2a985
+&cups; => ∪︀ e288aaefb880
+&curarr; => ↷ e286b7
+&curarrm; => ⤼ e2a4bc
+&curlyeqprec; => â‹ž e28b9e
+&curlyeqsucc; => â‹Ÿ e28b9f
+&curlyvee; => â‹Ž e28b8e
+&curlywedge; => � e28b8f
+&curren; => ¤ c2a4
+&curvearrowleft; => ↶ e286b6
+&curvearrowright; => ↷ e286b7
+&cuvee; => â‹Ž e28b8e
+&cuwed; => � e28b8f
+&cwconint; => ∲ e288b2
+&cwint; => ∱ e288b1
+&cylcty; => ⌭ e28cad
+&dArr; => ⇓ e28793
+&dHar; => ⥥ e2a5a5
+&dagger; => † e280a0
+&daleth; => ℸ e284b8
+&darr; => ↓ e28693
+&dash; => � e28090
+&dashv; => ⊣ e28aa3
+&dbkarow; => � e2a48f
+&dblac; => � cb9d
+&dcaron; => � c48f
+&dcy; => д d0b4
+&dd; => â…† e28586
+&ddagger; => ‡ e280a1
+&ddarr; => ⇊ e2878a
+&ddotseq; => â©· e2a9b7
+&deg; => ° c2b0
+&delta; => δ ceb4
+&demptyv; => ⦱ e2a6b1
+&dfisht; => ⥿ e2a5bf
+&dfr; => � f09d94a1
+&dharl; => ⇃ e28783
+&dharr; => ⇂ e28782
+&diam; => â‹„ e28b84
+&diamond; => â‹„ e28b84
+&diamondsuit; => ♦ e299a6
+&diams; => ♦ e299a6
+&die; => ¨ c2a8
+&digamma; => � cf9d
+&disin; => ⋲ e28bb2
+&div; => ÷ c3b7
+&divide; => ÷ c3b7
+&divideontimes; => ⋇ e28b87
+&divonx; => ⋇ e28b87
+&djcy; => Ñ’ d192
+&dlcorn; => ⌞ e28c9e
+&dlcrop; => � e28c8d
+&dollar; => $ 24
+&dopf; => � f09d9595
+&dot; => Ë™ cb99
+&doteq; => � e28990
+&doteqdot; => ≑ e28991
+&dotminus; => ∸ e288b8
+&dotplus; => ∔ e28894
+&dotsquare; => ⊡ e28aa1
+&doublebarwedge; => ⌆ e28c86
+&downarrow; => ↓ e28693
+&downdownarrows; => ⇊ e2878a
+&downharpoonleft; => ⇃ e28783
+&downharpoonright; => ⇂ e28782
+&drbkarow; => � e2a490
+&drcorn; => ⌟ e28c9f
+&drcrop; => ⌌ e28c8c
+&dscr; => � f09d92b9
+&dscy; => Ñ• d195
+&dsol; => ⧶ e2a7b6
+&dstrok; => Ä‘ c491
+&dtdot; => ⋱ e28bb1
+&dtri; => â–¿ e296bf
+&dtrif; => â–¾ e296be
+&duarr; => ⇵ e287b5
+&duhar; => ⥯ e2a5af
+&dwangle; => ⦦ e2a6a6
+&dzcy; => ÑŸ d19f
+&dzigrarr; => ⟿ e29fbf
+&eDDot; => â©· e2a9b7
+&eDot; => ≑ e28991
+&eacute; => é c3a9
+&easter; => â©® e2a9ae
+&ecaron; => Ä› c49b
+&ecir; => ≖ e28996
+&ecirc; => ê c3aa
+&ecolon; => ≕ e28995
+&ecy; => � d18d
+&edot; => Ä— c497
+&ee; => â…‡ e28587
+&efDot; => ≒ e28992
+&efr; => � f09d94a2
+&eg; => ⪚ e2aa9a
+&egrave; => è c3a8
+&egs; => ⪖ e2aa96
+&egsdot; => ⪘ e2aa98
+&el; => ⪙ e2aa99
+&elinters; => � e28fa7
+&ell; => â„“ e28493
+&els; => ⪕ e2aa95
+&elsdot; => ⪗ e2aa97
+&emacr; => Ä“ c493
+&empty; => ∅ e28885
+&emptyset; => ∅ e28885
+&emptyv; => ∅ e28885
+&emsp; =>   e28083
+&emsp13; =>   e28084
+&emsp14; =>   e28085
+&eng; => Å‹ c58b
+&ensp; =>   e28082
+&eogon; => Ä™ c499
+&eopf; => � f09d9596
+&epar; => â‹• e28b95
+&eparsl; => ⧣ e2a7a3
+&eplus; => ⩱ e2a9b1
+&epsi; => ε ceb5
+&epsilon; => ε ceb5
+&epsiv; => ϵ cfb5
+&eqcirc; => ≖ e28996
+&eqcolon; => ≕ e28995
+&eqsim; => ≂ e28982
+&eqslantgtr; => ⪖ e2aa96
+&eqslantless; => ⪕ e2aa95
+&equals; => = 3d
+&equest; => ≟ e2899f
+&equiv; => ≡ e289a1
+&equivDD; => ⩸ e2a9b8
+&eqvparsl; => ⧥ e2a7a5
+&erDot; => ≓ e28993
+&erarr; => ⥱ e2a5b1
+&escr; => ℯ e284af
+&esdot; => � e28990
+&esim; => ≂ e28982
+&eta; => η ceb7
+&eth; => ð c3b0
+&euml; => ë c3ab
+&euro; => € e282ac
+&excl; => ! 21
+&exist; => ∃ e28883
+&expectation; => â„° e284b0
+&exponentiale; => â…‡ e28587
+&fallingdotseq; => ≒ e28992
+&fcy; => Ñ„ d184
+&female; => ♀ e29980
+&ffilig; => ffi efac83
+&fflig; => ff efac80
+&ffllig; => ffl efac84
+&ffr; => � f09d94a3
+&filig; => � efac81
+&fjlig; => fj 666a
+&flat; => â™­ e299ad
+&fllig; => fl efac82
+&fltns; => â–± e296b1
+&fnof; => Æ’ c692
+&fopf; => � f09d9597
+&forall; => ∀ e28880
+&fork; => â‹” e28b94
+&forkv; => â«™ e2ab99
+&fpartint; => � e2a88d
+&frac12; => ½ c2bd
+&frac13; => â…“ e28593
+&frac14; => ¼ c2bc
+&frac15; => â…• e28595
+&frac16; => â…™ e28599
+&frac18; => â…› e2859b
+&frac23; => â…” e28594
+&frac25; => â…– e28596
+&frac34; => ¾ c2be
+&frac35; => â…— e28597
+&frac38; => ⅜ e2859c
+&frac45; => â…˜ e28598
+&frac56; => â…š e2859a
+&frac58; => â…� e2859d
+&frac78; => â…ž e2859e
+&frasl; => � e28184
+&frown; => ⌢ e28ca2
+&fscr; => � f09d92bb
+&gE; => ≧ e289a7
+&gEl; => ⪌ e2aa8c
+&gacute; => ǵ c7b5
+&gamma; => γ ceb3
+&gammad; => � cf9d
+&gap; => ⪆ e2aa86
+&gbreve; => ÄŸ c49f
+&gcirc; => � c49d
+&gcy; => г d0b3
+&gdot; => Ä¡ c4a1
+&ge; => ≥ e289a5
+&gel; => â‹› e28b9b
+&geq; => ≥ e289a5
+&geqq; => ≧ e289a7
+&geqslant; => ⩾ e2a9be
+&ges; => ⩾ e2a9be
+&gescc; => ⪩ e2aaa9
+&gesdot; => ⪀ e2aa80
+&gesdoto; => ⪂ e2aa82
+&gesdotol; => ⪄ e2aa84
+&gesl; => ⋛︀ e28b9befb880
+&gesles; => ⪔ e2aa94
+&gfr; => � f09d94a4
+&gg; => ≫ e289ab
+&ggg; => â‹™ e28b99
+&gimel; => â„· e284b7
+&gjcy; => Ñ“ d193
+&gl; => ≷ e289b7
+&glE; => ⪒ e2aa92
+&gla; => ⪥ e2aaa5
+&glj; => ⪤ e2aaa4
+&gnE; => ≩ e289a9
+&gnap; => ⪊ e2aa8a
+&gnapprox; => ⪊ e2aa8a
+&gne; => ⪈ e2aa88
+&gneq; => ⪈ e2aa88
+&gneqq; => ≩ e289a9
+&gnsim; => ⋧ e28ba7
+&gopf; => � f09d9598
+&grave; => ` 60
+&gscr; => â„Š e2848a
+&gsim; => ≳ e289b3
+&gsime; => ⪎ e2aa8e
+&gsiml; => � e2aa90
+&gt; => > 3e
+&gtcc; => ⪧ e2aaa7
+&gtcir; => ⩺ e2a9ba
+&gtdot; => â‹— e28b97
+&gtlPar; => ⦕ e2a695
+&gtquest; => ⩼ e2a9bc
+&gtrapprox; => ⪆ e2aa86
+&gtrarr; => ⥸ e2a5b8
+&gtrdot; => â‹— e28b97
+&gtreqless; => â‹› e28b9b
+&gtreqqless; => ⪌ e2aa8c
+&gtrless; => ≷ e289b7
+&gtrsim; => ≳ e289b3
+&gvertneqq; => ≩︀ e289a9efb880
+&gvnE; => ≩︀ e289a9efb880
+&hArr; => ⇔ e28794
+&hairsp; =>   e2808a
+&half; => ½ c2bd
+&hamilt; => â„‹ e2848b
+&hardcy; => ÑŠ d18a
+&harr; => ↔ e28694
+&harrcir; => ⥈ e2a588
+&harrw; => ↭ e286ad
+&hbar; => � e2848f
+&hcirc; => ĥ c4a5
+&hearts; => ♥ e299a5
+&heartsuit; => ♥ e299a5
+&hellip; => … e280a6
+&hercon; => ⊹ e28ab9
+&hfr; => � f09d94a5
+&hksearow; => ⤥ e2a4a5
+&hkswarow; => ⤦ e2a4a6
+&hoarr; => ⇿ e287bf
+&homtht; => ∻ e288bb
+&hookleftarrow; => ↩ e286a9
+&hookrightarrow; => ↪ e286aa
+&hopf; => � f09d9599
+&horbar; => ― e28095
+&hscr; => � f09d92bd
+&hslash; => � e2848f
+&hstrok; => ħ c4a7
+&hybull; => � e28183
+&hyphen; => � e28090
+&iacute; => í c3ad
+&ic; => � e281a3
+&icirc; => î c3ae
+&icy; => и d0b8
+&iecy; => е d0b5
+&iexcl; => ¡ c2a1
+&iff; => ⇔ e28794
+&ifr; => � f09d94a6
+&igrave; => ì c3ac
+&ii; => â…ˆ e28588
+&iiiint; => ⨌ e2a88c
+&iiint; => ∭ e288ad
+&iinfin; => ⧜ e2a79c
+&iiota; => â„© e284a9
+&ijlig; => ij c4b3
+&imacr; => Ä« c4ab
+&image; => â„‘ e28491
+&imagline; => � e28490
+&imagpart; => â„‘ e28491
+&imath; => ı c4b1
+&imof; => ⊷ e28ab7
+&imped; => Ƶ c6b5
+&in; => ∈ e28888
+&incare; => â„… e28485
+&infin; => ∞ e2889e
+&infintie; => � e2a79d
+&inodot; => ı c4b1
+&int; => ∫ e288ab
+&intcal; => ⊺ e28aba
+&integers; => ℤ e284a4
+&intercal; => ⊺ e28aba
+&intlarhk; => ⨗ e2a897
+&intprod; => ⨼ e2a8bc
+&iocy; => Ñ‘ d191
+&iogon; => į c4af
+&iopf; => � f09d959a
+&iota; => ι ceb9
+&iprod; => ⨼ e2a8bc
+&iquest; => ¿ c2bf
+&iscr; => � f09d92be
+&isin; => ∈ e28888
+&isinE; => ⋹ e28bb9
+&isindot; => ⋵ e28bb5
+&isins; => â‹´ e28bb4
+&isinsv; => ⋳ e28bb3
+&isinv; => ∈ e28888
+&it; => � e281a2
+&itilde; => Ä© c4a9
+&iukcy; => Ñ– d196
+&iuml; => ï c3af
+&jcirc; => ĵ c4b5
+&jcy; => й d0b9
+&jfr; => � f09d94a7
+&jmath; => È· c8b7
+&jopf; => � f09d959b
+&jscr; => � f09d92bf
+&jsercy; => ј d198
+&jukcy; => Ñ” d194
+&kappa; => κ ceba
+&kappav; => Ï° cfb0
+&kcedil; => Ä· c4b7
+&kcy; => к d0ba
+&kfr; => � f09d94a8
+&kgreen; => ĸ c4b8
+&khcy; => Ñ… d185
+&kjcy; => ќ d19c
+&kopf; => � f09d959c
+&kscr; => � f09d9380
+&lAarr; => ⇚ e2879a
+&lArr; => � e28790
+&lAtail; => ⤛ e2a49b
+&lBarr; => ⤎ e2a48e
+&lE; => ≦ e289a6
+&lEg; => ⪋ e2aa8b
+&lHar; => ⥢ e2a5a2
+&lacute; => ĺ c4ba
+&laemptyv; => ⦴ e2a6b4
+&lagran; => â„’ e28492
+&lambda; => λ cebb
+&lang; => ⟨ e29fa8
+&langd; => ⦑ e2a691
+&langle; => ⟨ e29fa8
+&lap; => ⪅ e2aa85
+&laquo; => « c2ab
+&larr; => � e28690
+&larrb; => ⇤ e287a4
+&larrbfs; => ⤟ e2a49f
+&larrfs; => � e2a49d
+&larrhk; => ↩ e286a9
+&larrlp; => ↫ e286ab
+&larrpl; => ⤹ e2a4b9
+&larrsim; => ⥳ e2a5b3
+&larrtl; => ↢ e286a2
+&lat; => ⪫ e2aaab
+&latail; => ⤙ e2a499
+&late; => ⪭ e2aaad
+&lates; => ⪭︀ e2aaadefb880
+&lbarr; => ⤌ e2a48c
+&lbbrk; => � e29db2
+&lbrace; => { 7b
+&lbrack; => [ 5b
+&lbrke; => ⦋ e2a68b
+&lbrksld; => � e2a68f
+&lbrkslu; => � e2a68d
+&lcaron; => ľ c4be
+&lcedil; => ļ c4bc
+&lceil; => ⌈ e28c88
+&lcub; => { 7b
+&lcy; => л d0bb
+&ldca; => ⤶ e2a4b6
+&ldquo; => “ e2809c
+&ldquor; => „ e2809e
+&ldrdhar; => ⥧ e2a5a7
+&ldrushar; => ⥋ e2a58b
+&ldsh; => ↲ e286b2
+&le; => ≤ e289a4
+&leftarrow; => � e28690
+&leftarrowtail; => ↢ e286a2
+&leftharpoondown; => ↽ e286bd
+&leftharpoonup; => ↼ e286bc
+&leftleftarrows; => ⇇ e28787
+&leftrightarrow; => ↔ e28694
+&leftrightarrows; => ⇆ e28786
+&leftrightharpoons; => ⇋ e2878b
+&leftrightsquigarrow; => ↭ e286ad
+&leftthreetimes; => â‹‹ e28b8b
+&leg; => â‹š e28b9a
+&leq; => ≤ e289a4
+&leqq; => ≦ e289a6
+&leqslant; => ⩽ e2a9bd
+&les; => ⩽ e2a9bd
+&lescc; => ⪨ e2aaa8
+&lesdot; => â©¿ e2a9bf
+&lesdoto; => � e2aa81
+&lesdotor; => ⪃ e2aa83
+&lesg; => ⋚︀ e28b9aefb880
+&lesges; => ⪓ e2aa93
+&lessapprox; => ⪅ e2aa85
+&lessdot; => â‹– e28b96
+&lesseqgtr; => â‹š e28b9a
+&lesseqqgtr; => ⪋ e2aa8b
+&lessgtr; => ≶ e289b6
+&lesssim; => ≲ e289b2
+&lfisht; => ⥼ e2a5bc
+&lfloor; => ⌊ e28c8a
+&lfr; => � f09d94a9
+&lg; => ≶ e289b6
+&lgE; => ⪑ e2aa91
+&lhard; => ↽ e286bd
+&lharu; => ↼ e286bc
+&lharul; => ⥪ e2a5aa
+&lhblk; => â–„ e29684
+&ljcy; => Ñ™ d199
+&ll; => ≪ e289aa
+&llarr; => ⇇ e28787
+&llcorner; => ⌞ e28c9e
+&llhard; => ⥫ e2a5ab
+&lltri; => â—º e297ba
+&lmidot; => ŀ c580
+&lmoust; => ⎰ e28eb0
+&lmoustache; => ⎰ e28eb0
+&lnE; => ≨ e289a8
+&lnap; => ⪉ e2aa89
+&lnapprox; => ⪉ e2aa89
+&lne; => ⪇ e2aa87
+&lneq; => ⪇ e2aa87
+&lneqq; => ≨ e289a8
+&lnsim; => ⋦ e28ba6
+&loang; => ⟬ e29fac
+&loarr; => ⇽ e287bd
+&lobrk; => ⟦ e29fa6
+&longleftarrow; => ⟵ e29fb5
+&longleftrightarrow; => ⟷ e29fb7
+&longmapsto; => ⟼ e29fbc
+&longrightarrow; => ⟶ e29fb6
+&looparrowleft; => ↫ e286ab
+&looparrowright; => ↬ e286ac
+&lopar; => ⦅ e2a685
+&lopf; => � f09d959d
+&loplus; => ⨭ e2a8ad
+&lotimes; => ⨴ e2a8b4
+&lowast; => ∗ e28897
+&lowbar; => _ 5f
+&loz; => â—Š e2978a
+&lozenge; => â—Š e2978a
+&lozf; => ⧫ e2a7ab
+&lpar; => ( 28
+&lparlt; => ⦓ e2a693
+&lrarr; => ⇆ e28786
+&lrcorner; => ⌟ e28c9f
+&lrhar; => ⇋ e2878b
+&lrhard; => ⥭ e2a5ad
+&lrm; => ‎ e2808e
+&lrtri; => ⊿ e28abf
+&lsaquo; => ‹ e280b9
+&lscr; => � f09d9381
+&lsh; => ↰ e286b0
+&lsim; => ≲ e289b2
+&lsime; => � e2aa8d
+&lsimg; => � e2aa8f
+&lsqb; => [ 5b
+&lsquo; => ‘ e28098
+&lsquor; => ‚ e2809a
+&lstrok; => Å‚ c582
+&lt; => < 3c
+&ltcc; => ⪦ e2aaa6
+&ltcir; => ⩹ e2a9b9
+&ltdot; => â‹– e28b96
+&lthree; => â‹‹ e28b8b
+&ltimes; => ⋉ e28b89
+&ltlarr; => ⥶ e2a5b6
+&ltquest; => â©» e2a9bb
+&ltrPar; => ⦖ e2a696
+&ltri; => â—ƒ e29783
+&ltrie; => ⊴ e28ab4
+&ltrif; => â—‚ e29782
+&lurdshar; => ⥊ e2a58a
+&luruhar; => ⥦ e2a5a6
+&lvertneqq; => ≨︀ e289a8efb880
+&lvnE; => ≨︀ e289a8efb880
+&mDDot; => ∺ e288ba
+&macr; => ¯ c2af
+&male; => ♂ e29982
+&malt; => ✠ e29ca0
+&maltese; => ✠ e29ca0
+&map; => ↦ e286a6
+&mapsto; => ↦ e286a6
+&mapstodown; => ↧ e286a7
+&mapstoleft; => ↤ e286a4
+&mapstoup; => ↥ e286a5
+&marker; => â–® e296ae
+&mcomma; => ⨩ e2a8a9
+&mcy; => м d0bc
+&mdash; => — e28094
+&measuredangle; => ∡ e288a1
+&mfr; => � f09d94aa
+&mho; => ℧ e284a7
+&micro; => µ c2b5
+&mid; => ∣ e288a3
+&midast; => * 2a
+&midcir; => â«° e2abb0
+&middot; => · c2b7
+&minus; => − e28892
+&minusb; => ⊟ e28a9f
+&minusd; => ∸ e288b8
+&minusdu; => ⨪ e2a8aa
+&mlcp; => â«› e2ab9b
+&mldr; => … e280a6
+&mnplus; => ∓ e28893
+&models; => ⊧ e28aa7
+&mopf; => � f09d959e
+&mp; => ∓ e28893
+&mscr; => � f09d9382
+&mstpos; => ∾ e288be
+&mu; => μ cebc
+&multimap; => ⊸ e28ab8
+&mumap; => ⊸ e28ab8
+&nGg; => ⋙̸ e28b99ccb8
+&nGt; => ≫⃒ e289abe28392
+&nGtv; => ≫̸ e289abccb8
+&nLeftarrow; => � e2878d
+&nLeftrightarrow; => ⇎ e2878e
+&nLl; => ⋘̸ e28b98ccb8
+&nLt; => ≪⃒ e289aae28392
+&nLtv; => ≪̸ e289aaccb8
+&nRightarrow; => � e2878f
+&nVDash; => ⊯ e28aaf
+&nVdash; => ⊮ e28aae
+&nabla; => ∇ e28887
+&nacute; => Å„ c584
+&nang; => ∠⃒ e288a0e28392
+&nap; => ≉ e28989
+&napE; => ⩰̸ e2a9b0ccb8
+&napid; => ≋̸ e2898bccb8
+&napos; => ʼn c589
+&napprox; => ≉ e28989
+&natur; => â™® e299ae
+&natural; => â™® e299ae
+&naturals; => â„• e28495
+&nbsp; =>   c2a0
+&nbump; => ≎̸ e2898eccb8
+&nbumpe; => �̸ e2898fccb8
+&ncap; => ⩃ e2a983
+&ncaron; => ň c588
+&ncedil; => ņ c586
+&ncong; => ≇ e28987
+&ncongdot; => ⩭̸ e2a9adccb8
+&ncup; => â©‚ e2a982
+&ncy; => н d0bd
+&ndash; => – e28093
+&ne; => ≠ e289a0
+&neArr; => ⇗ e28797
+&nearhk; => ⤤ e2a4a4
+&nearr; => ↗ e28697
+&nearrow; => ↗ e28697
+&nedot; => �̸ e28990ccb8
+&nequiv; => ≢ e289a2
+&nesear; => ⤨ e2a4a8
+&nesim; => ≂̸ e28982ccb8
+&nexist; => ∄ e28884
+&nexists; => ∄ e28884
+&nfr; => � f09d94ab
+&ngE; => ≧̸ e289a7ccb8
+&nge; => ≱ e289b1
+&ngeq; => ≱ e289b1
+&ngeqq; => ≧̸ e289a7ccb8
+&ngeqslant; => ⩾̸ e2a9beccb8
+&nges; => ⩾̸ e2a9beccb8
+&ngsim; => ≵ e289b5
+&ngt; => ≯ e289af
+&ngtr; => ≯ e289af
+&nhArr; => ⇎ e2878e
+&nharr; => ↮ e286ae
+&nhpar; => ⫲ e2abb2
+&ni; => ∋ e2888b
+&nis; => ⋼ e28bbc
+&nisd; => ⋺ e28bba
+&niv; => ∋ e2888b
+&njcy; => Ñš d19a
+&nlArr; => � e2878d
+&nlE; => ≦̸ e289a6ccb8
+&nlarr; => ↚ e2869a
+&nldr; => ‥ e280a5
+&nle; => ≰ e289b0
+&nleftarrow; => ↚ e2869a
+&nleftrightarrow; => ↮ e286ae
+&nleq; => ≰ e289b0
+&nleqq; => ≦̸ e289a6ccb8
+&nleqslant; => ⩽̸ e2a9bdccb8
+&nles; => ⩽̸ e2a9bdccb8
+&nless; => ≮ e289ae
+&nlsim; => ≴ e289b4
+&nlt; => ≮ e289ae
+&nltri; => ⋪ e28baa
+&nltrie; => ⋬ e28bac
+&nmid; => ∤ e288a4
+&nopf; => � f09d959f
+&not; => ¬ c2ac
+&notin; => ∉ e28889
+&notinE; => ⋹̸ e28bb9ccb8
+&notindot; => ⋵̸ e28bb5ccb8
+&notinva; => ∉ e28889
+&notinvb; => â‹· e28bb7
+&notinvc; => ⋶ e28bb6
+&notni; => ∌ e2888c
+&notniva; => ∌ e2888c
+&notnivb; => ⋾ e28bbe
+&notnivc; => ⋽ e28bbd
+&npar; => ∦ e288a6
+&nparallel; => ∦ e288a6
+&nparsl; => ⫽⃥ e2abbde283a5
+&npart; => ∂̸ e28882ccb8
+&npolint; => ⨔ e2a894
+&npr; => ⊀ e28a80
+&nprcue; => â‹  e28ba0
+&npre; => ⪯̸ e2aaafccb8
+&nprec; => ⊀ e28a80
+&npreceq; => ⪯̸ e2aaafccb8
+&nrArr; => � e2878f
+&nrarr; => ↛ e2869b
+&nrarrc; => ⤳̸ e2a4b3ccb8
+&nrarrw; => �̸ e2869dccb8
+&nrightarrow; => ↛ e2869b
+&nrtri; => â‹« e28bab
+&nrtrie; => â‹­ e28bad
+&nsc; => � e28a81
+&nsccue; => â‹¡ e28ba1
+&nsce; => ⪰̸ e2aab0ccb8
+&nscr; => � f09d9383
+&nshortmid; => ∤ e288a4
+&nshortparallel; => ∦ e288a6
+&nsim; => � e28981
+&nsime; => ≄ e28984
+&nsimeq; => ≄ e28984
+&nsmid; => ∤ e288a4
+&nspar; => ∦ e288a6
+&nsqsube; => â‹¢ e28ba2
+&nsqsupe; => â‹£ e28ba3
+&nsub; => ⊄ e28a84
+&nsubE; => ⫅̸ e2ab85ccb8
+&nsube; => ⊈ e28a88
+&nsubset; => ⊂⃒ e28a82e28392
+&nsubseteq; => ⊈ e28a88
+&nsubseteqq; => ⫅̸ e2ab85ccb8
+&nsucc; => � e28a81
+&nsucceq; => ⪰̸ e2aab0ccb8
+&nsup; => ⊅ e28a85
+&nsupE; => ⫆̸ e2ab86ccb8
+&nsupe; => ⊉ e28a89
+&nsupset; => ⊃⃒ e28a83e28392
+&nsupseteq; => ⊉ e28a89
+&nsupseteqq; => ⫆̸ e2ab86ccb8
+&ntgl; => ≹ e289b9
+&ntilde; => ñ c3b1
+&ntlg; => ≸ e289b8
+&ntriangleleft; => ⋪ e28baa
+&ntrianglelefteq; => ⋬ e28bac
+&ntriangleright; => â‹« e28bab
+&ntrianglerighteq; => â‹­ e28bad
+&nu; => ν cebd
+&num; => # 23
+&numero; => â„– e28496
+&numsp; =>   e28087
+&nvDash; => ⊭ e28aad
+&nvHarr; => ⤄ e2a484
+&nvap; => �⃒ e2898de28392
+&nvdash; => ⊬ e28aac
+&nvge; => ≥⃒ e289a5e28392
+&nvgt; => >⃒ 3ee28392
+&nvinfin; => ⧞ e2a79e
+&nvlArr; => ⤂ e2a482
+&nvle; => ≤⃒ e289a4e28392
+&nvlt; => <⃒ 3ce28392
+&nvltrie; => ⊴⃒ e28ab4e28392
+&nvrArr; => ⤃ e2a483
+&nvrtrie; => ⊵⃒ e28ab5e28392
+&nvsim; => ∼⃒ e288bce28392
+&nwArr; => ⇖ e28796
+&nwarhk; => ⤣ e2a4a3
+&nwarr; => ↖ e28696
+&nwarrow; => ↖ e28696
+&nwnear; => ⤧ e2a4a7
+&oS; => Ⓢ e29388
+&oacute; => ó c3b3
+&oast; => ⊛ e28a9b
+&ocir; => ⊚ e28a9a
+&ocirc; => ô c3b4
+&ocy; => о d0be
+&odash; => � e28a9d
+&odblac; => Å‘ c591
+&odiv; => ⨸ e2a8b8
+&odot; => ⊙ e28a99
+&odsold; => ⦼ e2a6bc
+&oelig; => Å“ c593
+&ofcir; => ⦿ e2a6bf
+&ofr; => � f09d94ac
+&ogon; => Ë› cb9b
+&ograve; => ò c3b2
+&ogt; => � e2a781
+&ohbar; => ⦵ e2a6b5
+&ohm; => Ω cea9
+&oint; => ∮ e288ae
+&olarr; => ↺ e286ba
+&olcir; => ⦾ e2a6be
+&olcross; => ⦻ e2a6bb
+&oline; => ‾ e280be
+&olt; => ⧀ e2a780
+&omacr; => � c58d
+&omega; => ω cf89
+&omicron; => ο cebf
+&omid; => ⦶ e2a6b6
+&ominus; => ⊖ e28a96
+&oopf; => � f09d95a0
+&opar; => ⦷ e2a6b7
+&operp; => ⦹ e2a6b9
+&oplus; => ⊕ e28a95
+&or; => ∨ e288a8
+&orarr; => ↻ e286bb
+&ord; => � e2a99d
+&order; => â„´ e284b4
+&orderof; => â„´ e284b4
+&ordf; => ª c2aa
+&ordm; => º c2ba
+&origof; => ⊶ e28ab6
+&oror; => â©– e2a996
+&orslope; => â©— e2a997
+&orv; => â©› e2a99b
+&oscr; => â„´ e284b4
+&oslash; => ø c3b8
+&osol; => ⊘ e28a98
+&otilde; => õ c3b5
+&otimes; => ⊗ e28a97
+&otimesas; => ⨶ e2a8b6
+&ouml; => ö c3b6
+&ovbar; => ⌽ e28cbd
+&par; => ∥ e288a5
+&para; => ¶ c2b6
+&parallel; => ∥ e288a5
+&parsim; => ⫳ e2abb3
+&parsl; => ⫽ e2abbd
+&part; => ∂ e28882
+&pcy; => п d0bf
+&percnt; => % 25
+&period; => . 2e
+&permil; => ‰ e280b0
+&perp; => ⊥ e28aa5
+&pertenk; => ‱ e280b1
+&pfr; => � f09d94ad
+&phi; => φ cf86
+&phiv; => Ï• cf95
+&phmmat; => ℳ e284b3
+&phone; => ☎ e2988e
+&pi; => π cf80
+&pitchfork; => â‹” e28b94
+&piv; => Ï– cf96
+&planck; => � e2848f
+&planckh; => â„Ž e2848e
+&plankv; => � e2848f
+&plus; => + 2b
+&plusacir; => ⨣ e2a8a3
+&plusb; => ⊞ e28a9e
+&pluscir; => ⨢ e2a8a2
+&plusdo; => ∔ e28894
+&plusdu; => ⨥ e2a8a5
+&pluse; => ⩲ e2a9b2
+&plusmn; => ± c2b1
+&plussim; => ⨦ e2a8a6
+&plustwo; => ⨧ e2a8a7
+&pm; => ± c2b1
+&pointint; => ⨕ e2a895
+&popf; => � f09d95a1
+&pound; => £ c2a3
+&pr; => ≺ e289ba
+&prE; => ⪳ e2aab3
+&prap; => ⪷ e2aab7
+&prcue; => ≼ e289bc
+&pre; => ⪯ e2aaaf
+&prec; => ≺ e289ba
+&precapprox; => ⪷ e2aab7
+&preccurlyeq; => ≼ e289bc
+&preceq; => ⪯ e2aaaf
+&precnapprox; => ⪹ e2aab9
+&precneqq; => ⪵ e2aab5
+&precnsim; => ⋨ e28ba8
+&precsim; => ≾ e289be
+&prime; => ′ e280b2
+&primes; => â„™ e28499
+&prnE; => ⪵ e2aab5
+&prnap; => ⪹ e2aab9
+&prnsim; => ⋨ e28ba8
+&prod; => � e2888f
+&profalar; => ⌮ e28cae
+&profline; => ⌒ e28c92
+&profsurf; => ⌓ e28c93
+&prop; => � e2889d
+&propto; => � e2889d
+&prsim; => ≾ e289be
+&prurel; => ⊰ e28ab0
+&pscr; => � f09d9385
+&psi; => ψ cf88
+&puncsp; =>   e28088
+&qfr; => � f09d94ae
+&qint; => ⨌ e2a88c
+&qopf; => � f09d95a2
+&qprime; => � e28197
+&qscr; => � f09d9386
+&quaternions; => � e2848d
+&quatint; => ⨖ e2a896
+&quest; => ? 3f
+&questeq; => ≟ e2899f
+&quot; => " 22
+&rAarr; => ⇛ e2879b
+&rArr; => ⇒ e28792
+&rAtail; => ⤜ e2a49c
+&rBarr; => � e2a48f
+&rHar; => ⥤ e2a5a4
+&race; => ∽̱ e288bdccb1
+&racute; => Å• c595
+&radic; => √ e2889a
+&raemptyv; => ⦳ e2a6b3
+&rang; => ⟩ e29fa9
+&rangd; => ⦒ e2a692
+&range; => ⦥ e2a6a5
+&rangle; => ⟩ e29fa9
+&raquo; => » c2bb
+&rarr; => → e28692
+&rarrap; => ⥵ e2a5b5
+&rarrb; => ⇥ e287a5
+&rarrbfs; => ⤠ e2a4a0
+&rarrc; => ⤳ e2a4b3
+&rarrfs; => ⤞ e2a49e
+&rarrhk; => ↪ e286aa
+&rarrlp; => ↬ e286ac
+&rarrpl; => ⥅ e2a585
+&rarrsim; => ⥴ e2a5b4
+&rarrtl; => ↣ e286a3
+&rarrw; => � e2869d
+&ratail; => ⤚ e2a49a
+&ratio; => ∶ e288b6
+&rationals; => â„š e2849a
+&rbarr; => � e2a48d
+&rbbrk; => � e29db3
+&rbrace; => } 7d
+&rbrack; => ] 5d
+&rbrke; => ⦌ e2a68c
+&rbrksld; => ⦎ e2a68e
+&rbrkslu; => � e2a690
+&rcaron; => Å™ c599
+&rcedil; => Å— c597
+&rceil; => ⌉ e28c89
+&rcub; => } 7d
+&rcy; => р d180
+&rdca; => ⤷ e2a4b7
+&rdldhar; => ⥩ e2a5a9
+&rdquo; => � e2809d
+&rdquor; => � e2809d
+&rdsh; => ↳ e286b3
+&real; => ℜ e2849c
+&realine; => â„› e2849b
+&realpart; => ℜ e2849c
+&reals; => � e2849d
+&rect; => â–­ e296ad
+&reg; => ® c2ae
+&rfisht; => ⥽ e2a5bd
+&rfloor; => ⌋ e28c8b
+&rfr; => � f09d94af
+&rhard; => � e28781
+&rharu; => ⇀ e28780
+&rharul; => ⥬ e2a5ac
+&rho; => � cf81
+&rhov; => ϱ cfb1
+&rightarrow; => → e28692
+&rightarrowtail; => ↣ e286a3
+&rightharpoondown; => � e28781
+&rightharpoonup; => ⇀ e28780
+&rightleftarrows; => ⇄ e28784
+&rightleftharpoons; => ⇌ e2878c
+&rightrightarrows; => ⇉ e28789
+&rightsquigarrow; => � e2869d
+&rightthreetimes; => ⋌ e28b8c
+&ring; => Ëš cb9a
+&risingdotseq; => ≓ e28993
+&rlarr; => ⇄ e28784
+&rlhar; => ⇌ e2878c
+&rlm; => � e2808f
+&rmoust; => ⎱ e28eb1
+&rmoustache; => ⎱ e28eb1
+&rnmid; => â«® e2abae
+&roang; => ⟭ e29fad
+&roarr; => ⇾ e287be
+&robrk; => ⟧ e29fa7
+&ropar; => ⦆ e2a686
+&ropf; => � f09d95a3
+&roplus; => ⨮ e2a8ae
+&rotimes; => ⨵ e2a8b5
+&rpar; => ) 29
+&rpargt; => ⦔ e2a694
+&rppolint; => ⨒ e2a892
+&rrarr; => ⇉ e28789
+&rsaquo; => › e280ba
+&rscr; => � f09d9387
+&rsh; => ↱ e286b1
+&rsqb; => ] 5d
+&rsquo; => ’ e28099
+&rsquor; => ’ e28099
+&rthree; => ⋌ e28b8c
+&rtimes; => â‹Š e28b8a
+&rtri; => â–¹ e296b9
+&rtrie; => ⊵ e28ab5
+&rtrif; => â–¸ e296b8
+&rtriltri; => ⧎ e2a78e
+&ruluhar; => ⥨ e2a5a8
+&rx; => â„ž e2849e
+&sacute; => Å› c59b
+&sbquo; => ‚ e2809a
+&sc; => ≻ e289bb
+&scE; => ⪴ e2aab4
+&scap; => ⪸ e2aab8
+&scaron; => Å¡ c5a1
+&sccue; => ≽ e289bd
+&sce; => ⪰ e2aab0
+&scedil; => ÅŸ c59f
+&scirc; => � c59d
+&scnE; => ⪶ e2aab6
+&scnap; => ⪺ e2aaba
+&scnsim; => â‹© e28ba9
+&scpolint; => ⨓ e2a893
+&scsim; => ≿ e289bf
+&scy; => � d181
+&sdot; => â‹… e28b85
+&sdotb; => ⊡ e28aa1
+&sdote; => ⩦ e2a9a6
+&seArr; => ⇘ e28798
+&searhk; => ⤥ e2a4a5
+&searr; => ↘ e28698
+&searrow; => ↘ e28698
+&sect; => § c2a7
+&semi; => ; 3b
+&seswar; => ⤩ e2a4a9
+&setminus; => ∖ e28896
+&setmn; => ∖ e28896
+&sext; => ✶ e29cb6
+&sfr; => � f09d94b0
+&sfrown; => ⌢ e28ca2
+&sharp; => ♯ e299af
+&shchcy; => щ d189
+&shcy; => ш d188
+&shortmid; => ∣ e288a3
+&shortparallel; => ∥ e288a5
+&shy; => ­ c2ad
+&sigma; => σ cf83
+&sigmaf; => Ï‚ cf82
+&sigmav; => Ï‚ cf82
+&sim; => ∼ e288bc
+&simdot; => ⩪ e2a9aa
+&sime; => ≃ e28983
+&simeq; => ≃ e28983
+&simg; => ⪞ e2aa9e
+&simgE; => ⪠ e2aaa0
+&siml; => � e2aa9d
+&simlE; => ⪟ e2aa9f
+&simne; => ≆ e28986
+&simplus; => ⨤ e2a8a4
+&simrarr; => ⥲ e2a5b2
+&slarr; => � e28690
+&smallsetminus; => ∖ e28896
+&smashp; => ⨳ e2a8b3
+&smeparsl; => ⧤ e2a7a4
+&smid; => ∣ e288a3
+&smile; => ⌣ e28ca3
+&smt; => ⪪ e2aaaa
+&smte; => ⪬ e2aaac
+&smtes; => ⪬︀ e2aaacefb880
+&softcy; => ь d18c
+&sol; => / 2f
+&solb; => ⧄ e2a784
+&solbar; => ⌿ e28cbf
+&sopf; => � f09d95a4
+&spades; => â™  e299a0
+&spadesuit; => â™  e299a0
+&spar; => ∥ e288a5
+&sqcap; => ⊓ e28a93
+&sqcaps; => ⊓︀ e28a93efb880
+&sqcup; => ⊔ e28a94
+&sqcups; => ⊔︀ e28a94efb880
+&sqsub; => � e28a8f
+&sqsube; => ⊑ e28a91
+&sqsubset; => � e28a8f
+&sqsubseteq; => ⊑ e28a91
+&sqsup; => � e28a90
+&sqsupe; => ⊒ e28a92
+&sqsupset; => � e28a90
+&sqsupseteq; => ⊒ e28a92
+&squ; => â–¡ e296a1
+&square; => â–¡ e296a1
+&squarf; => â–ª e296aa
+&squf; => â–ª e296aa
+&srarr; => → e28692
+&sscr; => � f09d9388
+&ssetmn; => ∖ e28896
+&ssmile; => ⌣ e28ca3
+&sstarf; => ⋆ e28b86
+&star; => ☆ e29886
+&starf; => ★ e29885
+&straightepsilon; => ϵ cfb5
+&straightphi; => Ï• cf95
+&strns; => ¯ c2af
+&sub; => ⊂ e28a82
+&subE; => â«… e2ab85
+&subdot; => ⪽ e2aabd
+&sube; => ⊆ e28a86
+&subedot; => ⫃ e2ab83
+&submult; => � e2ab81
+&subnE; => â«‹ e2ab8b
+&subne; => ⊊ e28a8a
+&subplus; => ⪿ e2aabf
+&subrarr; => ⥹ e2a5b9
+&subset; => ⊂ e28a82
+&subseteq; => ⊆ e28a86
+&subseteqq; => â«… e2ab85
+&subsetneq; => ⊊ e28a8a
+&subsetneqq; => â«‹ e2ab8b
+&subsim; => ⫇ e2ab87
+&subsub; => â«• e2ab95
+&subsup; => â«“ e2ab93
+&succ; => ≻ e289bb
+&succapprox; => ⪸ e2aab8
+&succcurlyeq; => ≽ e289bd
+&succeq; => ⪰ e2aab0
+&succnapprox; => ⪺ e2aaba
+&succneqq; => ⪶ e2aab6
+&succnsim; => â‹© e28ba9
+&succsim; => ≿ e289bf
+&sum; => ∑ e28891
+&sung; => ♪ e299aa
+&sup; => ⊃ e28a83
+&sup1; => ¹ c2b9
+&sup2; => ² c2b2
+&sup3; => ³ c2b3
+&supE; => ⫆ e2ab86
+&supdot; => ⪾ e2aabe
+&supdsub; => ⫘ e2ab98
+&supe; => ⊇ e28a87
+&supedot; => â«„ e2ab84
+&suphsol; => ⟉ e29f89
+&suphsub; => â«— e2ab97
+&suplarr; => ⥻ e2a5bb
+&supmult; => â«‚ e2ab82
+&supnE; => ⫌ e2ab8c
+&supne; => ⊋ e28a8b
+&supplus; => â«€ e2ab80
+&supset; => ⊃ e28a83
+&supseteq; => ⊇ e28a87
+&supseteqq; => ⫆ e2ab86
+&supsetneq; => ⊋ e28a8b
+&supsetneqq; => ⫌ e2ab8c
+&supsim; => ⫈ e2ab88
+&supsub; => â«” e2ab94
+&supsup; => â«– e2ab96
+&swArr; => ⇙ e28799
+&swarhk; => ⤦ e2a4a6
+&swarr; => ↙ e28699
+&swarrow; => ↙ e28699
+&swnwar; => ⤪ e2a4aa
+&szlig; => ß c39f
+&target; => ⌖ e28c96
+&tau; => Ï„ cf84
+&tbrk; => ⎴ e28eb4
+&tcaron; => ť c5a5
+&tcedil; => ţ c5a3
+&tcy; => Ñ‚ d182
+&tdot; => ⃛ e2839b
+&telrec; => ⌕ e28c95
+&tfr; => � f09d94b1
+&there4; => ∴ e288b4
+&therefore; => ∴ e288b4
+&theta; => θ ceb8
+&thetasym; => Ï‘ cf91
+&thetav; => Ï‘ cf91
+&thickapprox; => ≈ e28988
+&thicksim; => ∼ e288bc
+&thinsp; =>   e28089
+&thkap; => ≈ e28988
+&thksim; => ∼ e288bc
+&thorn; => þ c3be
+&tilde; => ˜ cb9c
+&times; => × c397
+&timesb; => ⊠ e28aa0
+&timesbar; => ⨱ e2a8b1
+&timesd; => ⨰ e2a8b0
+&tint; => ∭ e288ad
+&toea; => ⤨ e2a4a8
+&top; => ⊤ e28aa4
+&topbot; => ⌶ e28cb6
+&topcir; => ⫱ e2abb1
+&topf; => � f09d95a5
+&topfork; => â«š e2ab9a
+&tosa; => ⤩ e2a4a9
+&tprime; => ‴ e280b4
+&trade; => â„¢ e284a2
+&triangle; => â–µ e296b5
+&triangledown; => â–¿ e296bf
+&triangleleft; => â—ƒ e29783
+&trianglelefteq; => ⊴ e28ab4
+&triangleq; => ≜ e2899c
+&triangleright; => â–¹ e296b9
+&trianglerighteq; => ⊵ e28ab5
+&tridot; => â—¬ e297ac
+&trie; => ≜ e2899c
+&triminus; => ⨺ e2a8ba
+&triplus; => ⨹ e2a8b9
+&trisb; => � e2a78d
+&tritime; => ⨻ e2a8bb
+&trpezium; => � e28fa2
+&tscr; => � f09d9389
+&tscy; => ц d186
+&tshcy; => Ñ› d19b
+&tstrok; => ŧ c5a7
+&twixt; => ≬ e289ac
+&twoheadleftarrow; => ↞ e2869e
+&twoheadrightarrow; => ↠ e286a0
+&uArr; => ⇑ e28791
+&uHar; => ⥣ e2a5a3
+&uacute; => ú c3ba
+&uarr; => ↑ e28691
+&ubrcy; => Ñž d19e
+&ubreve; => Å­ c5ad
+&ucirc; => û c3bb
+&ucy; => у d183
+&udarr; => ⇅ e28785
+&udblac; => ű c5b1
+&udhar; => ⥮ e2a5ae
+&ufisht; => ⥾ e2a5be
+&ufr; => � f09d94b2
+&ugrave; => ù c3b9
+&uharl; => ↿ e286bf
+&uharr; => ↾ e286be
+&uhblk; => â–€ e29680
+&ulcorn; => ⌜ e28c9c
+&ulcorner; => ⌜ e28c9c
+&ulcrop; => � e28c8f
+&ultri; => â—¸ e297b8
+&umacr; => Å« c5ab
+&uml; => ¨ c2a8
+&uogon; => ų c5b3
+&uopf; => � f09d95a6
+&uparrow; => ↑ e28691
+&updownarrow; => ↕ e28695
+&upharpoonleft; => ↿ e286bf
+&upharpoonright; => ↾ e286be
+&uplus; => ⊎ e28a8e
+&upsi; => Ï… cf85
+&upsih; => Ï’ cf92
+&upsilon; => Ï… cf85
+&upuparrows; => ⇈ e28788
+&urcorn; => � e28c9d
+&urcorner; => � e28c9d
+&urcrop; => ⌎ e28c8e
+&uring; => ů c5af
+&urtri; => â—¹ e297b9
+&uscr; => � f09d938a
+&utdot; => â‹° e28bb0
+&utilde; => Å© c5a9
+&utri; => â–µ e296b5
+&utrif; => â–´ e296b4
+&uuarr; => ⇈ e28788
+&uuml; => ü c3bc
+&uwangle; => ⦧ e2a6a7
+&vArr; => ⇕ e28795
+&vBar; => ⫨ e2aba8
+&vBarv; => â«© e2aba9
+&vDash; => ⊨ e28aa8
+&vangrt; => ⦜ e2a69c
+&varepsilon; => ϵ cfb5
+&varkappa; => Ï° cfb0
+&varnothing; => ∅ e28885
+&varphi; => Ï• cf95
+&varpi; => Ï– cf96
+&varpropto; => � e2889d
+&varr; => ↕ e28695
+&varrho; => ϱ cfb1
+&varsigma; => Ï‚ cf82
+&varsubsetneq; => ⊊︀ e28a8aefb880
+&varsubsetneqq; => ⫋︀ e2ab8befb880
+&varsupsetneq; => ⊋︀ e28a8befb880
+&varsupsetneqq; => ⫌︀ e2ab8cefb880
+&vartheta; => Ï‘ cf91
+&vartriangleleft; => ⊲ e28ab2
+&vartriangleright; => ⊳ e28ab3
+&vcy; => в d0b2
+&vdash; => ⊢ e28aa2
+&vee; => ∨ e288a8
+&veebar; => ⊻ e28abb
+&veeeq; => ≚ e2899a
+&vellip; => â‹® e28bae
+&verbar; => | 7c
+&vert; => | 7c
+&vfr; => � f09d94b3
+&vltri; => ⊲ e28ab2
+&vnsub; => ⊂⃒ e28a82e28392
+&vnsup; => ⊃⃒ e28a83e28392
+&vopf; => � f09d95a7
+&vprop; => � e2889d
+&vrtri; => ⊳ e28ab3
+&vscr; => � f09d938b
+&vsubnE; => ⫋︀ e2ab8befb880
+&vsubne; => ⊊︀ e28a8aefb880
+&vsupnE; => ⫌︀ e2ab8cefb880
+&vsupne; => ⊋︀ e28a8befb880
+&vzigzag; => ⦚ e2a69a
+&wcirc; => ŵ c5b5
+&wedbar; => â©Ÿ e2a99f
+&wedge; => ∧ e288a7
+&wedgeq; => ≙ e28999
+&weierp; => ℘ e28498
+&wfr; => � f09d94b4
+&wopf; => � f09d95a8
+&wp; => ℘ e28498
+&wr; => ≀ e28980
+&wreath; => ≀ e28980
+&wscr; => � f09d938c
+&xcap; => â‹‚ e28b82
+&xcirc; => â—¯ e297af
+&xcup; => ⋃ e28b83
+&xdtri; => â–½ e296bd
+&xfr; => � f09d94b5
+&xhArr; => ⟺ e29fba
+&xharr; => ⟷ e29fb7
+&xi; => ξ cebe
+&xlArr; => ⟸ e29fb8
+&xlarr; => ⟵ e29fb5
+&xmap; => ⟼ e29fbc
+&xnis; => â‹» e28bbb
+&xodot; => ⨀ e2a880
+&xopf; => � f09d95a9
+&xoplus; => � e2a881
+&xotime; => ⨂ e2a882
+&xrArr; => ⟹ e29fb9
+&xrarr; => ⟶ e29fb6
+&xscr; => � f09d938d
+&xsqcup; => ⨆ e2a886
+&xuplus; => ⨄ e2a884
+&xutri; => â–³ e296b3
+&xvee; => � e28b81
+&xwedge; => â‹€ e28b80
+&yacute; => ý c3bd
+&yacy; => � d18f
+&ycirc; => Å· c5b7
+&ycy; => Ñ‹ d18b
+&yen; => ¥ c2a5
+&yfr; => � f09d94b6
+&yicy; => Ñ— d197
+&yopf; => � f09d95aa
+&yscr; => � f09d938e
+&yucy; => ÑŽ d18e
+&yuml; => ÿ c3bf
+&zacute; => ź c5ba
+&zcaron; => ž c5be
+&zcy; => з d0b7
+&zdot; => ż c5bc
+&zeetrf; => ℨ e284a8
+&zeta; => ζ ceb6
+&zfr; => � f09d94b7
+&zhcy; => ж d0b6
+&zigrarr; => � e2879d
+&zopf; => � f09d95ab
+&zscr; => � f09d938f
+&zwj; => � e2808d
+&zwnj; => ‌ e2808c
diff --git a/tests/std/strings/html_entity_decode_iso8859-15.phpt b/tests/std/strings/html_entity_decode_iso8859-15.phpt
new file mode 100644
index 00000000..91bb9f14
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_iso8859-15.phpt
@@ -0,0 +1,404 @@
+--TEST--
+Translation of HTML entities for encoding ISO-8859-15
+--FILE--
+<?php
+$arr = array(
+0x00A0 => array(0xA0, "NO-BREAK SPACE"),
+0x00A1 => array(0xA1, "INVERTED EXCLAMATION MARK"),
+0x00A2 => array(0xA2, "CENT SIGN"),
+0x00A3 => array(0xA3, "POUND SIGN"),
+0x20AC => array(0xA4, "EURO SIGN"),
+0x00A5 => array(0xA5, "YEN SIGN"),
+0x0160 => array(0xA6, "LATIN CAPITAL LETTER S WITH CARON"),
+0x00A7 => array(0xA7, "SECTION SIGN"),
+0x0161 => array(0xA8, "LATIN SMALL LETTER S WITH CARON"),
+0x00A9 => array(0xA9, "COPYRIGHT SIGN"),
+0x00AA => array(0xAA, "FEMININE ORDINAL INDICATOR"),
+0x00AB => array(0xAB, "LEFT-POINTING DOUBLE ANGLE QUOTATION MARK"),
+0x00AC => array(0xAC, "NOT SIGN"),
+0x00AD => array(0xAD, "SOFT HYPHEN"),
+0x00AE => array(0xAE, "REGISTERED SIGN"),
+0x00AF => array(0xAF, "MACRON"),
+0x00B0 => array(0xB0, "DEGREE SIGN"),
+0x00B1 => array(0xB1, "PLUS-MINUS SIGN"),
+0x00B2 => array(0xB2, "SUPERSCRIPT TWO"),
+0x00B3 => array(0xB3, "SUPERSCRIPT THREE"),
+0x017D => array(0xB4, "LATIN CAPITAL LETTER Z WITH CARON"),
+0x00B5 => array(0xB5, "MICRO SIGN"),
+0x00B6 => array(0xB6, "PILCROW SIGN"),
+0x00B7 => array(0xB7, "MIDDLE DOT"),
+0x017E => array(0xB8, "LATIN SMALL LETTER Z WITH CARON"),
+0x00B9 => array(0xB9, "SUPERSCRIPT ONE"),
+0x00BA => array(0xBA, "MASCULINE ORDINAL INDICATOR"),
+0x00BB => array(0xBB, "RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK"),
+0x0152 => array(0xBC, "LATIN CAPITAL LIGATURE OE"),
+0x0153 => array(0xBD, "LATIN SMALL LIGATURE OE"),
+0x0178 => array(0xBE, "LATIN CAPITAL LETTER Y WITH DIAERESIS"),
+0x00BF => array(0xBF, "INVERTED QUESTION MARK"),
+0x00C0 => array(0xC0, "LATIN CAPITAL LETTER A WITH GRAVE"),
+0x00C1 => array(0xC1, "LATIN CAPITAL LETTER A WITH ACUTE"),
+0x00C2 => array(0xC2, "LATIN CAPITAL LETTER A WITH CIRCUMFLEX"),
+0x00C3 => array(0xC3, "LATIN CAPITAL LETTER A WITH TILDE"),
+0x00C4 => array(0xC4, "LATIN CAPITAL LETTER A WITH DIAERESIS"),
+0x00C5 => array(0xC5, "LATIN CAPITAL LETTER A WITH RING ABOVE"),
+0x00C6 => array(0xC6, "LATIN CAPITAL LETTER AE"),
+0x00C7 => array(0xC7, "LATIN CAPITAL LETTER C WITH CEDILLA"),
+0x00C8 => array(0xC8, "LATIN CAPITAL LETTER E WITH GRAVE"),
+0x00C9 => array(0xC9, "LATIN CAPITAL LETTER E WITH ACUTE"),
+0x00CA => array(0xCA, "LATIN CAPITAL LETTER E WITH CIRCUMFLEX"),
+0x00CB => array(0xCB, "LATIN CAPITAL LETTER E WITH DIAERESIS"),
+0x00CC => array(0xCC, "LATIN CAPITAL LETTER I WITH GRAVE"),
+0x00CD => array(0xCD, "LATIN CAPITAL LETTER I WITH ACUTE"),
+0x00CE => array(0xCE, "LATIN CAPITAL LETTER I WITH CIRCUMFLEX"),
+0x00CF => array(0xCF, "LATIN CAPITAL LETTER I WITH DIAERESIS"),
+0x00D0 => array(0xD0, "LATIN CAPITAL LETTER ETH"),
+0x00D1 => array(0xD1, "LATIN CAPITAL LETTER N WITH TILDE"),
+0x00D2 => array(0xD2, "LATIN CAPITAL LETTER O WITH GRAVE"),
+0x00D3 => array(0xD3, "LATIN CAPITAL LETTER O WITH ACUTE"),
+0x00D4 => array(0xD4, "LATIN CAPITAL LETTER O WITH CIRCUMFLEX"),
+0x00D5 => array(0xD5, "LATIN CAPITAL LETTER O WITH TILDE"),
+0x00D6 => array(0xD6, "LATIN CAPITAL LETTER O WITH DIAERESIS"),
+0x00D7 => array(0xD7, "MULTIPLICATION SIGN"),
+0x00D8 => array(0xD8, "LATIN CAPITAL LETTER O WITH STROKE"),
+0x00D9 => array(0xD9, "LATIN CAPITAL LETTER U WITH GRAVE"),
+0x00DA => array(0xDA, "LATIN CAPITAL LETTER U WITH ACUTE"),
+0x00DB => array(0xDB, "LATIN CAPITAL LETTER U WITH CIRCUMFLEX"),
+0x00DC => array(0xDC, "LATIN CAPITAL LETTER U WITH DIAERESIS"),
+0x00DD => array(0xDD, "LATIN CAPITAL LETTER Y WITH ACUTE"),
+0x00DE => array(0xDE, "LATIN CAPITAL LETTER THORN"),
+0x00DF => array(0xDF, "LATIN SMALL LETTER SHARP S"),
+0x00E0 => array(0xE0, "LATIN SMALL LETTER A WITH GRAVE"),
+0x00E1 => array(0xE1, "LATIN SMALL LETTER A WITH ACUTE"),
+0x00E2 => array(0xE2, "LATIN SMALL LETTER A WITH CIRCUMFLEX"),
+0x00E3 => array(0xE3, "LATIN SMALL LETTER A WITH TILDE"),
+0x00E4 => array(0xE4, "LATIN SMALL LETTER A WITH DIAERESIS"),
+0x00E5 => array(0xE5, "LATIN SMALL LETTER A WITH RING ABOVE"),
+0x00E6 => array(0xE6, "LATIN SMALL LETTER AE"),
+0x00E7 => array(0xE7, "LATIN SMALL LETTER C WITH CEDILLA"),
+0x00E8 => array(0xE8, "LATIN SMALL LETTER E WITH GRAVE"),
+0x00E9 => array(0xE9, "LATIN SMALL LETTER E WITH ACUTE"),
+0x00EA => array(0xEA, "LATIN SMALL LETTER E WITH CIRCUMFLEX"),
+0x00EB => array(0xEB, "LATIN SMALL LETTER E WITH DIAERESIS"),
+0x00EC => array(0xEC, "LATIN SMALL LETTER I WITH GRAVE"),
+0x00ED => array(0xED, "LATIN SMALL LETTER I WITH ACUTE"),
+0x00EE => array(0xEE, "LATIN SMALL LETTER I WITH CIRCUMFLEX"),
+0x00EF => array(0xEF, "LATIN SMALL LETTER I WITH DIAERESIS"),
+0x00F0 => array(0xF0, "LATIN SMALL LETTER ETH"),
+0x00F1 => array(0xF1, "LATIN SMALL LETTER N WITH TILDE"),
+0x00F2 => array(0xF2, "LATIN SMALL LETTER O WITH GRAVE"),
+0x00F3 => array(0xF3, "LATIN SMALL LETTER O WITH ACUTE"),
+0x00F4 => array(0xF4, "LATIN SMALL LETTER O WITH CIRCUMFLEX"),
+0x00F5 => array(0xF5, "LATIN SMALL LETTER O WITH TILDE"),
+0x00F6 => array(0xF6, "LATIN SMALL LETTER O WITH DIAERESIS"),
+0x00F7 => array(0xF7, "DIVISION SIGN"),
+0x00F8 => array(0xF8, "LATIN SMALL LETTER O WITH STROKE"),
+0x00F9 => array(0xF9, "LATIN SMALL LETTER U WITH GRAVE"),
+0x00FA => array(0xFA, "LATIN SMALL LETTER U WITH ACUTE"),
+0x00FB => array(0xFB, "LATIN SMALL LETTER U WITH CIRCUMFLEX"),
+0x00FC => array(0xFC, "LATIN SMALL LETTER U WITH DIAERESIS"),
+0x00FD => array(0xFD, "LATIN SMALL LETTER Y WITH ACUTE"),
+0x00FE => array(0xFE, "LATIN SMALL LETTER THORN"),
+0x00FF => array(0xFF, "LATIN SMALL LETTER Y WITH DIAERESIS"),
+);
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'ISO-8859-15');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'ISO-8859-15');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+NO-BREAK SPACE: &#xA0; => a0
+&#xA0; => a0
+
+INVERTED EXCLAMATION MARK: &#xA1; => a1
+&#xA1; => a1
+
+CENT SIGN: &#xA2; => a2
+&#xA2; => a2
+
+POUND SIGN: &#xA3; => a3
+&#xA3; => a3
+
+EURO SIGN: &#x20AC; => a4
+&#xA4; => &#xA4;
+
+YEN SIGN: &#xA5; => a5
+&#xA5; => a5
+
+LATIN CAPITAL LETTER S WITH CARON: &#x160; => a6
+&#xA6; => &#xA6;
+
+SECTION SIGN: &#xA7; => a7
+&#xA7; => a7
+
+LATIN SMALL LETTER S WITH CARON: &#x161; => a8
+&#xA8; => &#xA8;
+
+COPYRIGHT SIGN: &#xA9; => a9
+&#xA9; => a9
+
+FEMININE ORDINAL INDICATOR: &#xAA; => aa
+&#xAA; => aa
+
+LEFT-POINTING DOUBLE ANGLE QUOTATION MARK: &#xAB; => ab
+&#xAB; => ab
+
+NOT SIGN: &#xAC; => ac
+&#xAC; => ac
+
+SOFT HYPHEN: &#xAD; => ad
+&#xAD; => ad
+
+REGISTERED SIGN: &#xAE; => ae
+&#xAE; => ae
+
+MACRON: &#xAF; => af
+&#xAF; => af
+
+DEGREE SIGN: &#xB0; => b0
+&#xB0; => b0
+
+PLUS-MINUS SIGN: &#xB1; => b1
+&#xB1; => b1
+
+SUPERSCRIPT TWO: &#xB2; => b2
+&#xB2; => b2
+
+SUPERSCRIPT THREE: &#xB3; => b3
+&#xB3; => b3
+
+LATIN CAPITAL LETTER Z WITH CARON: &#x17D; => b4
+&#xB4; => &#xB4;
+
+MICRO SIGN: &#xB5; => b5
+&#xB5; => b5
+
+PILCROW SIGN: &#xB6; => b6
+&#xB6; => b6
+
+MIDDLE DOT: &#xB7; => b7
+&#xB7; => b7
+
+LATIN SMALL LETTER Z WITH CARON: &#x17E; => b8
+&#xB8; => &#xB8;
+
+SUPERSCRIPT ONE: &#xB9; => b9
+&#xB9; => b9
+
+MASCULINE ORDINAL INDICATOR: &#xBA; => ba
+&#xBA; => ba
+
+RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK: &#xBB; => bb
+&#xBB; => bb
+
+LATIN CAPITAL LIGATURE OE: &#x152; => bc
+&#xBC; => &#xBC;
+
+LATIN SMALL LIGATURE OE: &#x153; => bd
+&#xBD; => &#xBD;
+
+LATIN CAPITAL LETTER Y WITH DIAERESIS: &#x178; => be
+&#xBE; => &#xBE;
+
+INVERTED QUESTION MARK: &#xBF; => bf
+&#xBF; => bf
+
+LATIN CAPITAL LETTER A WITH GRAVE: &#xC0; => c0
+&#xC0; => c0
+
+LATIN CAPITAL LETTER A WITH ACUTE: &#xC1; => c1
+&#xC1; => c1
+
+LATIN CAPITAL LETTER A WITH CIRCUMFLEX: &#xC2; => c2
+&#xC2; => c2
+
+LATIN CAPITAL LETTER A WITH TILDE: &#xC3; => c3
+&#xC3; => c3
+
+LATIN CAPITAL LETTER A WITH DIAERESIS: &#xC4; => c4
+&#xC4; => c4
+
+LATIN CAPITAL LETTER A WITH RING ABOVE: &#xC5; => c5
+&#xC5; => c5
+
+LATIN CAPITAL LETTER AE: &#xC6; => c6
+&#xC6; => c6
+
+LATIN CAPITAL LETTER C WITH CEDILLA: &#xC7; => c7
+&#xC7; => c7
+
+LATIN CAPITAL LETTER E WITH GRAVE: &#xC8; => c8
+&#xC8; => c8
+
+LATIN CAPITAL LETTER E WITH ACUTE: &#xC9; => c9
+&#xC9; => c9
+
+LATIN CAPITAL LETTER E WITH CIRCUMFLEX: &#xCA; => ca
+&#xCA; => ca
+
+LATIN CAPITAL LETTER E WITH DIAERESIS: &#xCB; => cb
+&#xCB; => cb
+
+LATIN CAPITAL LETTER I WITH GRAVE: &#xCC; => cc
+&#xCC; => cc
+
+LATIN CAPITAL LETTER I WITH ACUTE: &#xCD; => cd
+&#xCD; => cd
+
+LATIN CAPITAL LETTER I WITH CIRCUMFLEX: &#xCE; => ce
+&#xCE; => ce
+
+LATIN CAPITAL LETTER I WITH DIAERESIS: &#xCF; => cf
+&#xCF; => cf
+
+LATIN CAPITAL LETTER ETH: &#xD0; => d0
+&#xD0; => d0
+
+LATIN CAPITAL LETTER N WITH TILDE: &#xD1; => d1
+&#xD1; => d1
+
+LATIN CAPITAL LETTER O WITH GRAVE: &#xD2; => d2
+&#xD2; => d2
+
+LATIN CAPITAL LETTER O WITH ACUTE: &#xD3; => d3
+&#xD3; => d3
+
+LATIN CAPITAL LETTER O WITH CIRCUMFLEX: &#xD4; => d4
+&#xD4; => d4
+
+LATIN CAPITAL LETTER O WITH TILDE: &#xD5; => d5
+&#xD5; => d5
+
+LATIN CAPITAL LETTER O WITH DIAERESIS: &#xD6; => d6
+&#xD6; => d6
+
+MULTIPLICATION SIGN: &#xD7; => d7
+&#xD7; => d7
+
+LATIN CAPITAL LETTER O WITH STROKE: &#xD8; => d8
+&#xD8; => d8
+
+LATIN CAPITAL LETTER U WITH GRAVE: &#xD9; => d9
+&#xD9; => d9
+
+LATIN CAPITAL LETTER U WITH ACUTE: &#xDA; => da
+&#xDA; => da
+
+LATIN CAPITAL LETTER U WITH CIRCUMFLEX: &#xDB; => db
+&#xDB; => db
+
+LATIN CAPITAL LETTER U WITH DIAERESIS: &#xDC; => dc
+&#xDC; => dc
+
+LATIN CAPITAL LETTER Y WITH ACUTE: &#xDD; => dd
+&#xDD; => dd
+
+LATIN CAPITAL LETTER THORN: &#xDE; => de
+&#xDE; => de
+
+LATIN SMALL LETTER SHARP S: &#xDF; => df
+&#xDF; => df
+
+LATIN SMALL LETTER A WITH GRAVE: &#xE0; => e0
+&#xE0; => e0
+
+LATIN SMALL LETTER A WITH ACUTE: &#xE1; => e1
+&#xE1; => e1
+
+LATIN SMALL LETTER A WITH CIRCUMFLEX: &#xE2; => e2
+&#xE2; => e2
+
+LATIN SMALL LETTER A WITH TILDE: &#xE3; => e3
+&#xE3; => e3
+
+LATIN SMALL LETTER A WITH DIAERESIS: &#xE4; => e4
+&#xE4; => e4
+
+LATIN SMALL LETTER A WITH RING ABOVE: &#xE5; => e5
+&#xE5; => e5
+
+LATIN SMALL LETTER AE: &#xE6; => e6
+&#xE6; => e6
+
+LATIN SMALL LETTER C WITH CEDILLA: &#xE7; => e7
+&#xE7; => e7
+
+LATIN SMALL LETTER E WITH GRAVE: &#xE8; => e8
+&#xE8; => e8
+
+LATIN SMALL LETTER E WITH ACUTE: &#xE9; => e9
+&#xE9; => e9
+
+LATIN SMALL LETTER E WITH CIRCUMFLEX: &#xEA; => ea
+&#xEA; => ea
+
+LATIN SMALL LETTER E WITH DIAERESIS: &#xEB; => eb
+&#xEB; => eb
+
+LATIN SMALL LETTER I WITH GRAVE: &#xEC; => ec
+&#xEC; => ec
+
+LATIN SMALL LETTER I WITH ACUTE: &#xED; => ed
+&#xED; => ed
+
+LATIN SMALL LETTER I WITH CIRCUMFLEX: &#xEE; => ee
+&#xEE; => ee
+
+LATIN SMALL LETTER I WITH DIAERESIS: &#xEF; => ef
+&#xEF; => ef
+
+LATIN SMALL LETTER ETH: &#xF0; => f0
+&#xF0; => f0
+
+LATIN SMALL LETTER N WITH TILDE: &#xF1; => f1
+&#xF1; => f1
+
+LATIN SMALL LETTER O WITH GRAVE: &#xF2; => f2
+&#xF2; => f2
+
+LATIN SMALL LETTER O WITH ACUTE: &#xF3; => f3
+&#xF3; => f3
+
+LATIN SMALL LETTER O WITH CIRCUMFLEX: &#xF4; => f4
+&#xF4; => f4
+
+LATIN SMALL LETTER O WITH TILDE: &#xF5; => f5
+&#xF5; => f5
+
+LATIN SMALL LETTER O WITH DIAERESIS: &#xF6; => f6
+&#xF6; => f6
+
+DIVISION SIGN: &#xF7; => f7
+&#xF7; => f7
+
+LATIN SMALL LETTER O WITH STROKE: &#xF8; => f8
+&#xF8; => f8
+
+LATIN SMALL LETTER U WITH GRAVE: &#xF9; => f9
+&#xF9; => f9
+
+LATIN SMALL LETTER U WITH ACUTE: &#xFA; => fa
+&#xFA; => fa
+
+LATIN SMALL LETTER U WITH CIRCUMFLEX: &#xFB; => fb
+&#xFB; => fb
+
+LATIN SMALL LETTER U WITH DIAERESIS: &#xFC; => fc
+&#xFC; => fc
+
+LATIN SMALL LETTER Y WITH ACUTE: &#xFD; => fd
+&#xFD; => fd
+
+LATIN SMALL LETTER THORN: &#xFE; => fe
+&#xFE; => fe
+
+LATIN SMALL LETTER Y WITH DIAERESIS: &#xFF; => ff
+&#xFF; => ff
diff --git a/tests/std/strings/html_entity_decode_iso8859-5.phpt b/tests/std/strings/html_entity_decode_iso8859-5.phpt
new file mode 100644
index 00000000..0616827c
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_iso8859-5.phpt
@@ -0,0 +1,404 @@
+--TEST--
+Translation of HTML entities for encoding ISO-8859-5
+--FILE--
+<?php
+$arr = array(
+0x00A0 => array(0xA0, "NO-BREAK SPACE"),
+0x0401 => array(0xA1, "CYRILLIC CAPITAL LETTER IO"),
+0x0402 => array(0xA2, "CYRILLIC CAPITAL LETTER DJE"),
+0x0403 => array(0xA3, "CYRILLIC CAPITAL LETTER GJE"),
+0x0404 => array(0xA4, "CYRILLIC CAPITAL LETTER UKRAINIAN IE"),
+0x0405 => array(0xA5, "CYRILLIC CAPITAL LETTER DZE"),
+0x0406 => array(0xA6, "CYRILLIC CAPITAL LETTER BYELORUSSIAN-UKRAINIAN I"),
+0x0407 => array(0xA7, "CYRILLIC CAPITAL LETTER YI"),
+0x0408 => array(0xA8, "CYRILLIC CAPITAL LETTER JE"),
+0x0409 => array(0xA9, "CYRILLIC CAPITAL LETTER LJE"),
+0x040A => array(0xAA, "CYRILLIC CAPITAL LETTER NJE"),
+0x040B => array(0xAB, "CYRILLIC CAPITAL LETTER TSHE"),
+0x040C => array(0xAC, "CYRILLIC CAPITAL LETTER KJE"),
+0x00AD => array(0xAD, "SOFT HYPHEN"),
+0x040E => array(0xAE, "CYRILLIC CAPITAL LETTER SHORT U"),
+0x040F => array(0xAF, "CYRILLIC CAPITAL LETTER DZHE"),
+0x0410 => array(0xB0, "CYRILLIC CAPITAL LETTER A"),
+0x0411 => array(0xB1, "CYRILLIC CAPITAL LETTER BE"),
+0x0412 => array(0xB2, "CYRILLIC CAPITAL LETTER VE"),
+0x0413 => array(0xB3, "CYRILLIC CAPITAL LETTER GHE"),
+0x0414 => array(0xB4, "CYRILLIC CAPITAL LETTER DE"),
+0x0415 => array(0xB5, "CYRILLIC CAPITAL LETTER IE"),
+0x0416 => array(0xB6, "CYRILLIC CAPITAL LETTER ZHE"),
+0x0417 => array(0xB7, "CYRILLIC CAPITAL LETTER ZE"),
+0x0418 => array(0xB8, "CYRILLIC CAPITAL LETTER I"),
+0x0419 => array(0xB9, "CYRILLIC CAPITAL LETTER SHORT I"),
+0x041A => array(0xBA, "CYRILLIC CAPITAL LETTER KA"),
+0x041B => array(0xBB, "CYRILLIC CAPITAL LETTER EL"),
+0x041C => array(0xBC, "CYRILLIC CAPITAL LETTER EM"),
+0x041D => array(0xBD, "CYRILLIC CAPITAL LETTER EN"),
+0x041E => array(0xBE, "CYRILLIC CAPITAL LETTER O"),
+0x041F => array(0xBF, "CYRILLIC CAPITAL LETTER PE"),
+0x0420 => array(0xC0, "CYRILLIC CAPITAL LETTER ER"),
+0x0421 => array(0xC1, "CYRILLIC CAPITAL LETTER ES"),
+0x0422 => array(0xC2, "CYRILLIC CAPITAL LETTER TE"),
+0x0423 => array(0xC3, "CYRILLIC CAPITAL LETTER U"),
+0x0424 => array(0xC4, "CYRILLIC CAPITAL LETTER EF"),
+0x0425 => array(0xC5, "CYRILLIC CAPITAL LETTER HA"),
+0x0426 => array(0xC6, "CYRILLIC CAPITAL LETTER TSE"),
+0x0427 => array(0xC7, "CYRILLIC CAPITAL LETTER CHE"),
+0x0428 => array(0xC8, "CYRILLIC CAPITAL LETTER SHA"),
+0x0429 => array(0xC9, "CYRILLIC CAPITAL LETTER SHCHA"),
+0x042A => array(0xCA, "CYRILLIC CAPITAL LETTER HARD SIGN"),
+0x042B => array(0xCB, "CYRILLIC CAPITAL LETTER YERU"),
+0x042C => array(0xCC, "CYRILLIC CAPITAL LETTER SOFT SIGN"),
+0x042D => array(0xCD, "CYRILLIC CAPITAL LETTER E"),
+0x042E => array(0xCE, "CYRILLIC CAPITAL LETTER YU"),
+0x042F => array(0xCF, "CYRILLIC CAPITAL LETTER YA"),
+0x0430 => array(0xD0, "CYRILLIC SMALL LETTER A"),
+0x0431 => array(0xD1, "CYRILLIC SMALL LETTER BE"),
+0x0432 => array(0xD2, "CYRILLIC SMALL LETTER VE"),
+0x0433 => array(0xD3, "CYRILLIC SMALL LETTER GHE"),
+0x0434 => array(0xD4, "CYRILLIC SMALL LETTER DE"),
+0x0435 => array(0xD5, "CYRILLIC SMALL LETTER IE"),
+0x0436 => array(0xD6, "CYRILLIC SMALL LETTER ZHE"),
+0x0437 => array(0xD7, "CYRILLIC SMALL LETTER ZE"),
+0x0438 => array(0xD8, "CYRILLIC SMALL LETTER I"),
+0x0439 => array(0xD9, "CYRILLIC SMALL LETTER SHORT I"),
+0x043A => array(0xDA, "CYRILLIC SMALL LETTER KA"),
+0x043B => array(0xDB, "CYRILLIC SMALL LETTER EL"),
+0x043C => array(0xDC, "CYRILLIC SMALL LETTER EM"),
+0x043D => array(0xDD, "CYRILLIC SMALL LETTER EN"),
+0x043E => array(0xDE, "CYRILLIC SMALL LETTER O"),
+0x043F => array(0xDF, "CYRILLIC SMALL LETTER PE"),
+0x0440 => array(0xE0, "CYRILLIC SMALL LETTER ER"),
+0x0441 => array(0xE1, "CYRILLIC SMALL LETTER ES"),
+0x0442 => array(0xE2, "CYRILLIC SMALL LETTER TE"),
+0x0443 => array(0xE3, "CYRILLIC SMALL LETTER U"),
+0x0444 => array(0xE4, "CYRILLIC SMALL LETTER EF"),
+0x0445 => array(0xE5, "CYRILLIC SMALL LETTER HA"),
+0x0446 => array(0xE6, "CYRILLIC SMALL LETTER TSE"),
+0x0447 => array(0xE7, "CYRILLIC SMALL LETTER CHE"),
+0x0448 => array(0xE8, "CYRILLIC SMALL LETTER SHA"),
+0x0449 => array(0xE9, "CYRILLIC SMALL LETTER SHCHA"),
+0x044A => array(0xEA, "CYRILLIC SMALL LETTER HARD SIGN"),
+0x044B => array(0xEB, "CYRILLIC SMALL LETTER YERU"),
+0x044C => array(0xEC, "CYRILLIC SMALL LETTER SOFT SIGN"),
+0x044D => array(0xED, "CYRILLIC SMALL LETTER E"),
+0x044E => array(0xEE, "CYRILLIC SMALL LETTER YU"),
+0x044F => array(0xEF, "CYRILLIC SMALL LETTER YA"),
+0x2116 => array(0xF0, "NUMERO SIGN"),
+0x0451 => array(0xF1, "CYRILLIC SMALL LETTER IO"),
+0x0452 => array(0xF2, "CYRILLIC SMALL LETTER DJE"),
+0x0453 => array(0xF3, "CYRILLIC SMALL LETTER GJE"),
+0x0454 => array(0xF4, "CYRILLIC SMALL LETTER UKRAINIAN IE"),
+0x0455 => array(0xF5, "CYRILLIC SMALL LETTER DZE"),
+0x0456 => array(0xF6, "CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I"),
+0x0457 => array(0xF7, "CYRILLIC SMALL LETTER YI"),
+0x0458 => array(0xF8, "CYRILLIC SMALL LETTER JE"),
+0x0459 => array(0xF9, "CYRILLIC SMALL LETTER LJE"),
+0x045A => array(0xFA, "CYRILLIC SMALL LETTER NJE"),
+0x045B => array(0xFB, "CYRILLIC SMALL LETTER TSHE"),
+0x045C => array(0xFC, "CYRILLIC SMALL LETTER KJE"),
+0x00A7 => array(0xFD, "SECTION SIGN"),
+0x045E => array(0xFE, "CYRILLIC SMALL LETTER SHORT U"),
+0x045F => array(0xFF, "CYRILLIC SMALL LETTER DZHE"),
+);
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'ISO-8859-5');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'ISO-8859-5');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+NO-BREAK SPACE: &#xA0; => a0
+&#xA0; => a0
+
+CYRILLIC CAPITAL LETTER IO: &#x401; => a1
+&#xA1; => &#xA1;
+
+CYRILLIC CAPITAL LETTER DJE: &#x402; => a2
+&#xA2; => &#xA2;
+
+CYRILLIC CAPITAL LETTER GJE: &#x403; => a3
+&#xA3; => &#xA3;
+
+CYRILLIC CAPITAL LETTER UKRAINIAN IE: &#x404; => a4
+&#xA4; => &#xA4;
+
+CYRILLIC CAPITAL LETTER DZE: &#x405; => a5
+&#xA5; => &#xA5;
+
+CYRILLIC CAPITAL LETTER BYELORUSSIAN-UKRAINIAN I: &#x406; => a6
+&#xA6; => &#xA6;
+
+CYRILLIC CAPITAL LETTER YI: &#x407; => a7
+&#xA7; => fd
+
+CYRILLIC CAPITAL LETTER JE: &#x408; => a8
+&#xA8; => &#xA8;
+
+CYRILLIC CAPITAL LETTER LJE: &#x409; => a9
+&#xA9; => &#xA9;
+
+CYRILLIC CAPITAL LETTER NJE: &#x40A; => aa
+&#xAA; => &#xAA;
+
+CYRILLIC CAPITAL LETTER TSHE: &#x40B; => ab
+&#xAB; => &#xAB;
+
+CYRILLIC CAPITAL LETTER KJE: &#x40C; => ac
+&#xAC; => &#xAC;
+
+SOFT HYPHEN: &#xAD; => ad
+&#xAD; => ad
+
+CYRILLIC CAPITAL LETTER SHORT U: &#x40E; => ae
+&#xAE; => &#xAE;
+
+CYRILLIC CAPITAL LETTER DZHE: &#x40F; => af
+&#xAF; => &#xAF;
+
+CYRILLIC CAPITAL LETTER A: &#x410; => b0
+&#xB0; => &#xB0;
+
+CYRILLIC CAPITAL LETTER BE: &#x411; => b1
+&#xB1; => &#xB1;
+
+CYRILLIC CAPITAL LETTER VE: &#x412; => b2
+&#xB2; => &#xB2;
+
+CYRILLIC CAPITAL LETTER GHE: &#x413; => b3
+&#xB3; => &#xB3;
+
+CYRILLIC CAPITAL LETTER DE: &#x414; => b4
+&#xB4; => &#xB4;
+
+CYRILLIC CAPITAL LETTER IE: &#x415; => b5
+&#xB5; => &#xB5;
+
+CYRILLIC CAPITAL LETTER ZHE: &#x416; => b6
+&#xB6; => &#xB6;
+
+CYRILLIC CAPITAL LETTER ZE: &#x417; => b7
+&#xB7; => &#xB7;
+
+CYRILLIC CAPITAL LETTER I: &#x418; => b8
+&#xB8; => &#xB8;
+
+CYRILLIC CAPITAL LETTER SHORT I: &#x419; => b9
+&#xB9; => &#xB9;
+
+CYRILLIC CAPITAL LETTER KA: &#x41A; => ba
+&#xBA; => &#xBA;
+
+CYRILLIC CAPITAL LETTER EL: &#x41B; => bb
+&#xBB; => &#xBB;
+
+CYRILLIC CAPITAL LETTER EM: &#x41C; => bc
+&#xBC; => &#xBC;
+
+CYRILLIC CAPITAL LETTER EN: &#x41D; => bd
+&#xBD; => &#xBD;
+
+CYRILLIC CAPITAL LETTER O: &#x41E; => be
+&#xBE; => &#xBE;
+
+CYRILLIC CAPITAL LETTER PE: &#x41F; => bf
+&#xBF; => &#xBF;
+
+CYRILLIC CAPITAL LETTER ER: &#x420; => c0
+&#xC0; => &#xC0;
+
+CYRILLIC CAPITAL LETTER ES: &#x421; => c1
+&#xC1; => &#xC1;
+
+CYRILLIC CAPITAL LETTER TE: &#x422; => c2
+&#xC2; => &#xC2;
+
+CYRILLIC CAPITAL LETTER U: &#x423; => c3
+&#xC3; => &#xC3;
+
+CYRILLIC CAPITAL LETTER EF: &#x424; => c4
+&#xC4; => &#xC4;
+
+CYRILLIC CAPITAL LETTER HA: &#x425; => c5
+&#xC5; => &#xC5;
+
+CYRILLIC CAPITAL LETTER TSE: &#x426; => c6
+&#xC6; => &#xC6;
+
+CYRILLIC CAPITAL LETTER CHE: &#x427; => c7
+&#xC7; => &#xC7;
+
+CYRILLIC CAPITAL LETTER SHA: &#x428; => c8
+&#xC8; => &#xC8;
+
+CYRILLIC CAPITAL LETTER SHCHA: &#x429; => c9
+&#xC9; => &#xC9;
+
+CYRILLIC CAPITAL LETTER HARD SIGN: &#x42A; => ca
+&#xCA; => &#xCA;
+
+CYRILLIC CAPITAL LETTER YERU: &#x42B; => cb
+&#xCB; => &#xCB;
+
+CYRILLIC CAPITAL LETTER SOFT SIGN: &#x42C; => cc
+&#xCC; => &#xCC;
+
+CYRILLIC CAPITAL LETTER E: &#x42D; => cd
+&#xCD; => &#xCD;
+
+CYRILLIC CAPITAL LETTER YU: &#x42E; => ce
+&#xCE; => &#xCE;
+
+CYRILLIC CAPITAL LETTER YA: &#x42F; => cf
+&#xCF; => &#xCF;
+
+CYRILLIC SMALL LETTER A: &#x430; => d0
+&#xD0; => &#xD0;
+
+CYRILLIC SMALL LETTER BE: &#x431; => d1
+&#xD1; => &#xD1;
+
+CYRILLIC SMALL LETTER VE: &#x432; => d2
+&#xD2; => &#xD2;
+
+CYRILLIC SMALL LETTER GHE: &#x433; => d3
+&#xD3; => &#xD3;
+
+CYRILLIC SMALL LETTER DE: &#x434; => d4
+&#xD4; => &#xD4;
+
+CYRILLIC SMALL LETTER IE: &#x435; => d5
+&#xD5; => &#xD5;
+
+CYRILLIC SMALL LETTER ZHE: &#x436; => d6
+&#xD6; => &#xD6;
+
+CYRILLIC SMALL LETTER ZE: &#x437; => d7
+&#xD7; => &#xD7;
+
+CYRILLIC SMALL LETTER I: &#x438; => d8
+&#xD8; => &#xD8;
+
+CYRILLIC SMALL LETTER SHORT I: &#x439; => d9
+&#xD9; => &#xD9;
+
+CYRILLIC SMALL LETTER KA: &#x43A; => da
+&#xDA; => &#xDA;
+
+CYRILLIC SMALL LETTER EL: &#x43B; => db
+&#xDB; => &#xDB;
+
+CYRILLIC SMALL LETTER EM: &#x43C; => dc
+&#xDC; => &#xDC;
+
+CYRILLIC SMALL LETTER EN: &#x43D; => dd
+&#xDD; => &#xDD;
+
+CYRILLIC SMALL LETTER O: &#x43E; => de
+&#xDE; => &#xDE;
+
+CYRILLIC SMALL LETTER PE: &#x43F; => df
+&#xDF; => &#xDF;
+
+CYRILLIC SMALL LETTER ER: &#x440; => e0
+&#xE0; => &#xE0;
+
+CYRILLIC SMALL LETTER ES: &#x441; => e1
+&#xE1; => &#xE1;
+
+CYRILLIC SMALL LETTER TE: &#x442; => e2
+&#xE2; => &#xE2;
+
+CYRILLIC SMALL LETTER U: &#x443; => e3
+&#xE3; => &#xE3;
+
+CYRILLIC SMALL LETTER EF: &#x444; => e4
+&#xE4; => &#xE4;
+
+CYRILLIC SMALL LETTER HA: &#x445; => e5
+&#xE5; => &#xE5;
+
+CYRILLIC SMALL LETTER TSE: &#x446; => e6
+&#xE6; => &#xE6;
+
+CYRILLIC SMALL LETTER CHE: &#x447; => e7
+&#xE7; => &#xE7;
+
+CYRILLIC SMALL LETTER SHA: &#x448; => e8
+&#xE8; => &#xE8;
+
+CYRILLIC SMALL LETTER SHCHA: &#x449; => e9
+&#xE9; => &#xE9;
+
+CYRILLIC SMALL LETTER HARD SIGN: &#x44A; => ea
+&#xEA; => &#xEA;
+
+CYRILLIC SMALL LETTER YERU: &#x44B; => eb
+&#xEB; => &#xEB;
+
+CYRILLIC SMALL LETTER SOFT SIGN: &#x44C; => ec
+&#xEC; => &#xEC;
+
+CYRILLIC SMALL LETTER E: &#x44D; => ed
+&#xED; => &#xED;
+
+CYRILLIC SMALL LETTER YU: &#x44E; => ee
+&#xEE; => &#xEE;
+
+CYRILLIC SMALL LETTER YA: &#x44F; => ef
+&#xEF; => &#xEF;
+
+NUMERO SIGN: &#x2116; => f0
+&#xF0; => &#xF0;
+
+CYRILLIC SMALL LETTER IO: &#x451; => f1
+&#xF1; => &#xF1;
+
+CYRILLIC SMALL LETTER DJE: &#x452; => f2
+&#xF2; => &#xF2;
+
+CYRILLIC SMALL LETTER GJE: &#x453; => f3
+&#xF3; => &#xF3;
+
+CYRILLIC SMALL LETTER UKRAINIAN IE: &#x454; => f4
+&#xF4; => &#xF4;
+
+CYRILLIC SMALL LETTER DZE: &#x455; => f5
+&#xF5; => &#xF5;
+
+CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I: &#x456; => f6
+&#xF6; => &#xF6;
+
+CYRILLIC SMALL LETTER YI: &#x457; => f7
+&#xF7; => &#xF7;
+
+CYRILLIC SMALL LETTER JE: &#x458; => f8
+&#xF8; => &#xF8;
+
+CYRILLIC SMALL LETTER LJE: &#x459; => f9
+&#xF9; => &#xF9;
+
+CYRILLIC SMALL LETTER NJE: &#x45A; => fa
+&#xFA; => &#xFA;
+
+CYRILLIC SMALL LETTER TSHE: &#x45B; => fb
+&#xFB; => &#xFB;
+
+CYRILLIC SMALL LETTER KJE: &#x45C; => fc
+&#xFC; => &#xFC;
+
+SECTION SIGN: &#xA7; => fd
+&#xFD; => &#xFD;
+
+CYRILLIC SMALL LETTER SHORT U: &#x45E; => fe
+&#xFE; => &#xFE;
+
+CYRILLIC SMALL LETTER DZHE: &#x45F; => ff
+&#xFF; => &#xFF;
diff --git a/tests/std/strings/html_entity_decode_koi8-r.phpt b/tests/std/strings/html_entity_decode_koi8-r.phpt
new file mode 100644
index 00000000..bd9aad61
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_koi8-r.phpt
@@ -0,0 +1,532 @@
+--TEST--
+Translation of HTML entities for encoding KOI8-R
+--FILE--
+<?php
+$arr = array(
+0x2500 => array(0x80, "BOX DRAWINGS LIGHT HORIZONTAL"),
+0x2502 => array(0x81, "BOX DRAWINGS LIGHT VERTICAL"),
+0x250C => array(0x82, "BOX DRAWINGS LIGHT DOWN AND RIGHT"),
+0x2510 => array(0x83, "BOX DRAWINGS LIGHT DOWN AND LEFT"),
+0x2514 => array(0x84, "BOX DRAWINGS LIGHT UP AND RIGHT"),
+0x2518 => array(0x85, "BOX DRAWINGS LIGHT UP AND LEFT"),
+0x251C => array(0x86, "BOX DRAWINGS LIGHT VERTICAL AND RIGHT"),
+0x2524 => array(0x87, "BOX DRAWINGS LIGHT VERTICAL AND LEFT"),
+0x252C => array(0x88, "BOX DRAWINGS LIGHT DOWN AND HORIZONTAL"),
+0x2534 => array(0x89, "BOX DRAWINGS LIGHT UP AND HORIZONTAL"),
+0x253C => array(0x8A, "BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL"),
+0x2580 => array(0x8B, "UPPER HALF BLOCK"),
+0x2584 => array(0x8C, "LOWER HALF BLOCK"),
+0x2588 => array(0x8D, "FULL BLOCK"),
+0x258C => array(0x8E, "LEFT HALF BLOCK"),
+0x2590 => array(0x8F, "RIGHT HALF BLOCK"),
+0x2591 => array(0x90, "LIGHT SHADE"),
+0x2592 => array(0x91, "MEDIUM SHADE"),
+0x2593 => array(0x92, "DARK SHADE"),
+0x2320 => array(0x93, "TOP HALF INTEGRAL"),
+0x25A0 => array(0x94, "BLACK SQUARE"),
+0x2219 => array(0x95, "BULLET OPERATOR"),
+0x221A => array(0x96, "SQUARE ROOT"),
+0x2248 => array(0x97, "ALMOST EQUAL TO"),
+0x2264 => array(0x98, "LESS-THAN OR EQUAL TO"),
+0x2265 => array(0x99, "GREATER-THAN OR EQUAL TO"),
+0x00A0 => array(0x9A, "NO-BREAK SPACE"),
+0x2321 => array(0x9B, "BOTTOM HALF INTEGRAL"),
+0x00B0 => array(0x9C, "DEGREE SIGN"),
+0x00B2 => array(0x9D, "SUPERSCRIPT TWO"),
+0x00B7 => array(0x9E, "MIDDLE DOT"),
+0x00F7 => array(0x9F, "DIVISION SIGN"),
+0x2550 => array(0xA0, "BOX DRAWINGS DOUBLE HORIZONTAL"),
+0x2551 => array(0xA1, "BOX DRAWINGS DOUBLE VERTICAL"),
+0x2552 => array(0xA2, "BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE"),
+0x0451 => array(0xA3, "CYRILLIC SMALL LETTER IO"),
+0x2553 => array(0xA4, "BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE"),
+0x2554 => array(0xA5, "BOX DRAWINGS DOUBLE DOWN AND RIGHT"),
+0x2555 => array(0xA6, "BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE"),
+0x2556 => array(0xA7, "BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE"),
+0x2557 => array(0xA8, "BOX DRAWINGS DOUBLE DOWN AND LEFT"),
+0x2558 => array(0xA9, "BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE"),
+0x2559 => array(0xAA, "BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE"),
+0x255A => array(0xAB, "BOX DRAWINGS DOUBLE UP AND RIGHT"),
+0x255B => array(0xAC, "BOX DRAWINGS UP SINGLE AND LEFT DOUBLE"),
+0x255C => array(0xAD, "BOX DRAWINGS UP DOUBLE AND LEFT SINGLE"),
+0x255D => array(0xAE, "BOX DRAWINGS DOUBLE UP AND LEFT"),
+0x255E => array(0xAF, "BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE"),
+0x255F => array(0xB0, "BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE"),
+0x2560 => array(0xB1, "BOX DRAWINGS DOUBLE VERTICAL AND RIGHT"),
+0x2561 => array(0xB2, "BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE"),
+0x0401 => array(0xB3, "CYRILLIC CAPITAL LETTER IO"),
+0x2562 => array(0xB4, "BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE"),
+0x2563 => array(0xB5, "BOX DRAWINGS DOUBLE VERTICAL AND LEFT"),
+0x2564 => array(0xB6, "BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE"),
+0x2565 => array(0xB7, "BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE"),
+0x2566 => array(0xB8, "BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL"),
+0x2567 => array(0xB9, "BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE"),
+0x2568 => array(0xBA, "BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE"),
+0x2569 => array(0xBB, "BOX DRAWINGS DOUBLE UP AND HORIZONTAL"),
+0x256A => array(0xBC, "BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE"),
+0x256B => array(0xBD, "BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE"),
+0x256C => array(0xBE, "BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL"),
+0x00A9 => array(0xBF, "COPYRIGHT SIGN"),
+0x044E => array(0xC0, "CYRILLIC SMALL LETTER YU"),
+0x0430 => array(0xC1, "CYRILLIC SMALL LETTER A"),
+0x0431 => array(0xC2, "CYRILLIC SMALL LETTER BE"),
+0x0446 => array(0xC3, "CYRILLIC SMALL LETTER TSE"),
+0x0434 => array(0xC4, "CYRILLIC SMALL LETTER DE"),
+0x0435 => array(0xC5, "CYRILLIC SMALL LETTER IE"),
+0x0444 => array(0xC6, "CYRILLIC SMALL LETTER EF"),
+0x0433 => array(0xC7, "CYRILLIC SMALL LETTER GHE"),
+0x0445 => array(0xC8, "CYRILLIC SMALL LETTER HA"),
+0x0438 => array(0xC9, "CYRILLIC SMALL LETTER I"),
+0x0439 => array(0xCA, "CYRILLIC SMALL LETTER SHORT I"),
+0x043A => array(0xCB, "CYRILLIC SMALL LETTER KA"),
+0x043B => array(0xCC, "CYRILLIC SMALL LETTER EL"),
+0x043C => array(0xCD, "CYRILLIC SMALL LETTER EM"),
+0x043D => array(0xCE, "CYRILLIC SMALL LETTER EN"),
+0x043E => array(0xCF, "CYRILLIC SMALL LETTER O"),
+0x043F => array(0xD0, "CYRILLIC SMALL LETTER PE"),
+0x044F => array(0xD1, "CYRILLIC SMALL LETTER YA"),
+0x0440 => array(0xD2, "CYRILLIC SMALL LETTER ER"),
+0x0441 => array(0xD3, "CYRILLIC SMALL LETTER ES"),
+0x0442 => array(0xD4, "CYRILLIC SMALL LETTER TE"),
+0x0443 => array(0xD5, "CYRILLIC SMALL LETTER U"),
+0x0436 => array(0xD6, "CYRILLIC SMALL LETTER ZHE"),
+0x0432 => array(0xD7, "CYRILLIC SMALL LETTER VE"),
+0x044C => array(0xD8, "CYRILLIC SMALL LETTER SOFT SIGN"),
+0x044B => array(0xD9, "CYRILLIC SMALL LETTER YERU"),
+0x0437 => array(0xDA, "CYRILLIC SMALL LETTER ZE"),
+0x0448 => array(0xDB, "CYRILLIC SMALL LETTER SHA"),
+0x044D => array(0xDC, "CYRILLIC SMALL LETTER E"),
+0x0449 => array(0xDD, "CYRILLIC SMALL LETTER SHCHA"),
+0x0447 => array(0xDE, "CYRILLIC SMALL LETTER CHE"),
+0x044A => array(0xDF, "CYRILLIC SMALL LETTER HARD SIGN"),
+0x042E => array(0xE0, "CYRILLIC CAPITAL LETTER YU"),
+0x0410 => array(0xE1, "CYRILLIC CAPITAL LETTER A"),
+0x0411 => array(0xE2, "CYRILLIC CAPITAL LETTER BE"),
+0x0426 => array(0xE3, "CYRILLIC CAPITAL LETTER TSE"),
+0x0414 => array(0xE4, "CYRILLIC CAPITAL LETTER DE"),
+0x0415 => array(0xE5, "CYRILLIC CAPITAL LETTER IE"),
+0x0424 => array(0xE6, "CYRILLIC CAPITAL LETTER EF"),
+0x0413 => array(0xE7, "CYRILLIC CAPITAL LETTER GHE"),
+0x0425 => array(0xE8, "CYRILLIC CAPITAL LETTER HA"),
+0x0418 => array(0xE9, "CYRILLIC CAPITAL LETTER I"),
+0x0419 => array(0xEA, "CYRILLIC CAPITAL LETTER SHORT I"),
+0x041A => array(0xEB, "CYRILLIC CAPITAL LETTER KA"),
+0x041B => array(0xEC, "CYRILLIC CAPITAL LETTER EL"),
+0x041C => array(0xED, "CYRILLIC CAPITAL LETTER EM"),
+0x041D => array(0xEE, "CYRILLIC CAPITAL LETTER EN"),
+0x041E => array(0xEF, "CYRILLIC CAPITAL LETTER O"),
+0x041F => array(0xF0, "CYRILLIC CAPITAL LETTER PE"),
+0x042F => array(0xF1, "CYRILLIC CAPITAL LETTER YA"),
+0x0420 => array(0xF2, "CYRILLIC CAPITAL LETTER ER"),
+0x0421 => array(0xF3, "CYRILLIC CAPITAL LETTER ES"),
+0x0422 => array(0xF4, "CYRILLIC CAPITAL LETTER TE"),
+0x0423 => array(0xF5, "CYRILLIC CAPITAL LETTER U"),
+0x0416 => array(0xF6, "CYRILLIC CAPITAL LETTER ZHE"),
+0x0412 => array(0xF7, "CYRILLIC CAPITAL LETTER VE"),
+0x042C => array(0xF8, "CYRILLIC CAPITAL LETTER SOFT SIGN"),
+0x042B => array(0xF9, "CYRILLIC CAPITAL LETTER YERU"),
+0x0417 => array(0xFA, "CYRILLIC CAPITAL LETTER ZE"),
+0x0428 => array(0xFB, "CYRILLIC CAPITAL LETTER SHA"),
+0x042D => array(0xFC, "CYRILLIC CAPITAL LETTER E"),
+0x0429 => array(0xFD, "CYRILLIC CAPITAL LETTER SHCHA"),
+0x0427 => array(0xFE, "CYRILLIC CAPITAL LETTER CHE"),
+0x042A => array(0xFF, "CYRILLIC CAPITAL LETTER HARD SIGN"),
+);
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'KOI8-R');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'KOI8-R');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+BOX DRAWINGS LIGHT HORIZONTAL: &#x2500; => 80
+&#x80; => &#x80;
+
+BOX DRAWINGS LIGHT VERTICAL: &#x2502; => 81
+&#x81; => &#x81;
+
+BOX DRAWINGS LIGHT DOWN AND RIGHT: &#x250C; => 82
+&#x82; => &#x82;
+
+BOX DRAWINGS LIGHT DOWN AND LEFT: &#x2510; => 83
+&#x83; => &#x83;
+
+BOX DRAWINGS LIGHT UP AND RIGHT: &#x2514; => 84
+&#x84; => &#x84;
+
+BOX DRAWINGS LIGHT UP AND LEFT: &#x2518; => 85
+&#x85; => &#x85;
+
+BOX DRAWINGS LIGHT VERTICAL AND RIGHT: &#x251C; => 86
+&#x86; => &#x86;
+
+BOX DRAWINGS LIGHT VERTICAL AND LEFT: &#x2524; => 87
+&#x87; => &#x87;
+
+BOX DRAWINGS LIGHT DOWN AND HORIZONTAL: &#x252C; => 88
+&#x88; => &#x88;
+
+BOX DRAWINGS LIGHT UP AND HORIZONTAL: &#x2534; => 89
+&#x89; => &#x89;
+
+BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL: &#x253C; => 8a
+&#x8A; => &#x8A;
+
+UPPER HALF BLOCK: &#x2580; => 8b
+&#x8B; => &#x8B;
+
+LOWER HALF BLOCK: &#x2584; => 8c
+&#x8C; => &#x8C;
+
+FULL BLOCK: &#x2588; => 8d
+&#x8D; => &#x8D;
+
+LEFT HALF BLOCK: &#x258C; => 8e
+&#x8E; => &#x8E;
+
+RIGHT HALF BLOCK: &#x2590; => 8f
+&#x8F; => &#x8F;
+
+LIGHT SHADE: &#x2591; => 90
+&#x90; => &#x90;
+
+MEDIUM SHADE: &#x2592; => 91
+&#x91; => &#x91;
+
+DARK SHADE: &#x2593; => 92
+&#x92; => &#x92;
+
+TOP HALF INTEGRAL: &#x2320; => 93
+&#x93; => &#x93;
+
+BLACK SQUARE: &#x25A0; => 94
+&#x94; => &#x94;
+
+BULLET OPERATOR: &#x2219; => 95
+&#x95; => &#x95;
+
+SQUARE ROOT: &#x221A; => 96
+&#x96; => &#x96;
+
+ALMOST EQUAL TO: &#x2248; => 97
+&#x97; => &#x97;
+
+LESS-THAN OR EQUAL TO: &#x2264; => 98
+&#x98; => &#x98;
+
+GREATER-THAN OR EQUAL TO: &#x2265; => 99
+&#x99; => &#x99;
+
+NO-BREAK SPACE: &#xA0; => 9a
+&#x9A; => &#x9A;
+
+BOTTOM HALF INTEGRAL: &#x2321; => 9b
+&#x9B; => &#x9B;
+
+DEGREE SIGN: &#xB0; => 9c
+&#x9C; => &#x9C;
+
+SUPERSCRIPT TWO: &#xB2; => 9d
+&#x9D; => &#x9D;
+
+MIDDLE DOT: &#xB7; => 9e
+&#x9E; => &#x9E;
+
+DIVISION SIGN: &#xF7; => 9f
+&#x9F; => &#x9F;
+
+BOX DRAWINGS DOUBLE HORIZONTAL: &#x2550; => a0
+&#xA0; => 9a
+
+BOX DRAWINGS DOUBLE VERTICAL: &#x2551; => a1
+&#xA1; => &#xA1;
+
+BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE: &#x2552; => a2
+&#xA2; => &#xA2;
+
+CYRILLIC SMALL LETTER IO: &#x451; => a3
+&#xA3; => &#xA3;
+
+BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE: &#x2553; => a4
+&#xA4; => &#xA4;
+
+BOX DRAWINGS DOUBLE DOWN AND RIGHT: &#x2554; => a5
+&#xA5; => &#xA5;
+
+BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE: &#x2555; => a6
+&#xA6; => &#xA6;
+
+BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE: &#x2556; => a7
+&#xA7; => &#xA7;
+
+BOX DRAWINGS DOUBLE DOWN AND LEFT: &#x2557; => a8
+&#xA8; => &#xA8;
+
+BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE: &#x2558; => a9
+&#xA9; => bf
+
+BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE: &#x2559; => aa
+&#xAA; => &#xAA;
+
+BOX DRAWINGS DOUBLE UP AND RIGHT: &#x255A; => ab
+&#xAB; => &#xAB;
+
+BOX DRAWINGS UP SINGLE AND LEFT DOUBLE: &#x255B; => ac
+&#xAC; => &#xAC;
+
+BOX DRAWINGS UP DOUBLE AND LEFT SINGLE: &#x255C; => ad
+&#xAD; => &#xAD;
+
+BOX DRAWINGS DOUBLE UP AND LEFT: &#x255D; => ae
+&#xAE; => &#xAE;
+
+BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE: &#x255E; => af
+&#xAF; => &#xAF;
+
+BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE: &#x255F; => b0
+&#xB0; => 9c
+
+BOX DRAWINGS DOUBLE VERTICAL AND RIGHT: &#x2560; => b1
+&#xB1; => &#xB1;
+
+BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE: &#x2561; => b2
+&#xB2; => 9d
+
+CYRILLIC CAPITAL LETTER IO: &#x401; => b3
+&#xB3; => &#xB3;
+
+BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE: &#x2562; => b4
+&#xB4; => &#xB4;
+
+BOX DRAWINGS DOUBLE VERTICAL AND LEFT: &#x2563; => b5
+&#xB5; => &#xB5;
+
+BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE: &#x2564; => b6
+&#xB6; => &#xB6;
+
+BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE: &#x2565; => b7
+&#xB7; => 9e
+
+BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL: &#x2566; => b8
+&#xB8; => &#xB8;
+
+BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE: &#x2567; => b9
+&#xB9; => &#xB9;
+
+BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE: &#x2568; => ba
+&#xBA; => &#xBA;
+
+BOX DRAWINGS DOUBLE UP AND HORIZONTAL: &#x2569; => bb
+&#xBB; => &#xBB;
+
+BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE: &#x256A; => bc
+&#xBC; => &#xBC;
+
+BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE: &#x256B; => bd
+&#xBD; => &#xBD;
+
+BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL: &#x256C; => be
+&#xBE; => &#xBE;
+
+COPYRIGHT SIGN: &#xA9; => bf
+&#xBF; => &#xBF;
+
+CYRILLIC SMALL LETTER YU: &#x44E; => c0
+&#xC0; => &#xC0;
+
+CYRILLIC SMALL LETTER A: &#x430; => c1
+&#xC1; => &#xC1;
+
+CYRILLIC SMALL LETTER BE: &#x431; => c2
+&#xC2; => &#xC2;
+
+CYRILLIC SMALL LETTER TSE: &#x446; => c3
+&#xC3; => &#xC3;
+
+CYRILLIC SMALL LETTER DE: &#x434; => c4
+&#xC4; => &#xC4;
+
+CYRILLIC SMALL LETTER IE: &#x435; => c5
+&#xC5; => &#xC5;
+
+CYRILLIC SMALL LETTER EF: &#x444; => c6
+&#xC6; => &#xC6;
+
+CYRILLIC SMALL LETTER GHE: &#x433; => c7
+&#xC7; => &#xC7;
+
+CYRILLIC SMALL LETTER HA: &#x445; => c8
+&#xC8; => &#xC8;
+
+CYRILLIC SMALL LETTER I: &#x438; => c9
+&#xC9; => &#xC9;
+
+CYRILLIC SMALL LETTER SHORT I: &#x439; => ca
+&#xCA; => &#xCA;
+
+CYRILLIC SMALL LETTER KA: &#x43A; => cb
+&#xCB; => &#xCB;
+
+CYRILLIC SMALL LETTER EL: &#x43B; => cc
+&#xCC; => &#xCC;
+
+CYRILLIC SMALL LETTER EM: &#x43C; => cd
+&#xCD; => &#xCD;
+
+CYRILLIC SMALL LETTER EN: &#x43D; => ce
+&#xCE; => &#xCE;
+
+CYRILLIC SMALL LETTER O: &#x43E; => cf
+&#xCF; => &#xCF;
+
+CYRILLIC SMALL LETTER PE: &#x43F; => d0
+&#xD0; => &#xD0;
+
+CYRILLIC SMALL LETTER YA: &#x44F; => d1
+&#xD1; => &#xD1;
+
+CYRILLIC SMALL LETTER ER: &#x440; => d2
+&#xD2; => &#xD2;
+
+CYRILLIC SMALL LETTER ES: &#x441; => d3
+&#xD3; => &#xD3;
+
+CYRILLIC SMALL LETTER TE: &#x442; => d4
+&#xD4; => &#xD4;
+
+CYRILLIC SMALL LETTER U: &#x443; => d5
+&#xD5; => &#xD5;
+
+CYRILLIC SMALL LETTER ZHE: &#x436; => d6
+&#xD6; => &#xD6;
+
+CYRILLIC SMALL LETTER VE: &#x432; => d7
+&#xD7; => &#xD7;
+
+CYRILLIC SMALL LETTER SOFT SIGN: &#x44C; => d8
+&#xD8; => &#xD8;
+
+CYRILLIC SMALL LETTER YERU: &#x44B; => d9
+&#xD9; => &#xD9;
+
+CYRILLIC SMALL LETTER ZE: &#x437; => da
+&#xDA; => &#xDA;
+
+CYRILLIC SMALL LETTER SHA: &#x448; => db
+&#xDB; => &#xDB;
+
+CYRILLIC SMALL LETTER E: &#x44D; => dc
+&#xDC; => &#xDC;
+
+CYRILLIC SMALL LETTER SHCHA: &#x449; => dd
+&#xDD; => &#xDD;
+
+CYRILLIC SMALL LETTER CHE: &#x447; => de
+&#xDE; => &#xDE;
+
+CYRILLIC SMALL LETTER HARD SIGN: &#x44A; => df
+&#xDF; => &#xDF;
+
+CYRILLIC CAPITAL LETTER YU: &#x42E; => e0
+&#xE0; => &#xE0;
+
+CYRILLIC CAPITAL LETTER A: &#x410; => e1
+&#xE1; => &#xE1;
+
+CYRILLIC CAPITAL LETTER BE: &#x411; => e2
+&#xE2; => &#xE2;
+
+CYRILLIC CAPITAL LETTER TSE: &#x426; => e3
+&#xE3; => &#xE3;
+
+CYRILLIC CAPITAL LETTER DE: &#x414; => e4
+&#xE4; => &#xE4;
+
+CYRILLIC CAPITAL LETTER IE: &#x415; => e5
+&#xE5; => &#xE5;
+
+CYRILLIC CAPITAL LETTER EF: &#x424; => e6
+&#xE6; => &#xE6;
+
+CYRILLIC CAPITAL LETTER GHE: &#x413; => e7
+&#xE7; => &#xE7;
+
+CYRILLIC CAPITAL LETTER HA: &#x425; => e8
+&#xE8; => &#xE8;
+
+CYRILLIC CAPITAL LETTER I: &#x418; => e9
+&#xE9; => &#xE9;
+
+CYRILLIC CAPITAL LETTER SHORT I: &#x419; => ea
+&#xEA; => &#xEA;
+
+CYRILLIC CAPITAL LETTER KA: &#x41A; => eb
+&#xEB; => &#xEB;
+
+CYRILLIC CAPITAL LETTER EL: &#x41B; => ec
+&#xEC; => &#xEC;
+
+CYRILLIC CAPITAL LETTER EM: &#x41C; => ed
+&#xED; => &#xED;
+
+CYRILLIC CAPITAL LETTER EN: &#x41D; => ee
+&#xEE; => &#xEE;
+
+CYRILLIC CAPITAL LETTER O: &#x41E; => ef
+&#xEF; => &#xEF;
+
+CYRILLIC CAPITAL LETTER PE: &#x41F; => f0
+&#xF0; => &#xF0;
+
+CYRILLIC CAPITAL LETTER YA: &#x42F; => f1
+&#xF1; => &#xF1;
+
+CYRILLIC CAPITAL LETTER ER: &#x420; => f2
+&#xF2; => &#xF2;
+
+CYRILLIC CAPITAL LETTER ES: &#x421; => f3
+&#xF3; => &#xF3;
+
+CYRILLIC CAPITAL LETTER TE: &#x422; => f4
+&#xF4; => &#xF4;
+
+CYRILLIC CAPITAL LETTER U: &#x423; => f5
+&#xF5; => &#xF5;
+
+CYRILLIC CAPITAL LETTER ZHE: &#x416; => f6
+&#xF6; => &#xF6;
+
+CYRILLIC CAPITAL LETTER VE: &#x412; => f7
+&#xF7; => 9f
+
+CYRILLIC CAPITAL LETTER SOFT SIGN: &#x42C; => f8
+&#xF8; => &#xF8;
+
+CYRILLIC CAPITAL LETTER YERU: &#x42B; => f9
+&#xF9; => &#xF9;
+
+CYRILLIC CAPITAL LETTER ZE: &#x417; => fa
+&#xFA; => &#xFA;
+
+CYRILLIC CAPITAL LETTER SHA: &#x428; => fb
+&#xFB; => &#xFB;
+
+CYRILLIC CAPITAL LETTER E: &#x42D; => fc
+&#xFC; => &#xFC;
+
+CYRILLIC CAPITAL LETTER SHCHA: &#x429; => fd
+&#xFD; => &#xFD;
+
+CYRILLIC CAPITAL LETTER CHE: &#x427; => fe
+&#xFE; => &#xFE;
+
+CYRILLIC CAPITAL LETTER HARD SIGN: &#x42A; => ff
+&#xFF; => &#xFF;
diff --git a/tests/std/strings/html_entity_decode_macroman.phpt b/tests/std/strings/html_entity_decode_macroman.phpt
new file mode 100644
index 00000000..6eb29188
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_macroman.phpt
@@ -0,0 +1,539 @@
+--TEST--
+Translation of HTML entities for encoding MacRoman
+--FILE--
+<?php
+$arr = array(
+0x00C4 => array(0x80, "LATIN CAPITAL LETTER A WITH DIAERESIS"),
+0x00C5 => array(0x81, "LATIN CAPITAL LETTER A WITH RING ABOVE"),
+0x00C7 => array(0x82, "LATIN CAPITAL LETTER C WITH CEDILLA"),
+0x00C9 => array(0x83, "LATIN CAPITAL LETTER E WITH ACUTE"),
+0x00D1 => array(0x84, "LATIN CAPITAL LETTER N WITH TILDE"),
+0x00D6 => array(0x85, "LATIN CAPITAL LETTER O WITH DIAERESIS"),
+0x00DC => array(0x86, "LATIN CAPITAL LETTER U WITH DIAERESIS"),
+0x00E1 => array(0x87, "LATIN SMALL LETTER A WITH ACUTE"),
+0x00E0 => array(0x88, "LATIN SMALL LETTER A WITH GRAVE"),
+0x00E2 => array(0x89, "LATIN SMALL LETTER A WITH CIRCUMFLEX"),
+0x00E4 => array(0x8A, "LATIN SMALL LETTER A WITH DIAERESIS"),
+0x00E3 => array(0x8B, "LATIN SMALL LETTER A WITH TILDE"),
+0x00E5 => array(0x8C, "LATIN SMALL LETTER A WITH RING ABOVE"),
+0x00E7 => array(0x8D, "LATIN SMALL LETTER C WITH CEDILLA"),
+0x00E9 => array(0x8E, "LATIN SMALL LETTER E WITH ACUTE"),
+0x00E8 => array(0x8F, "LATIN SMALL LETTER E WITH GRAVE"),
+0x00EA => array(0x90, "LATIN SMALL LETTER E WITH CIRCUMFLEX"),
+0x00EB => array(0x91, "LATIN SMALL LETTER E WITH DIAERESIS"),
+0x00ED => array(0x92, "LATIN SMALL LETTER I WITH ACUTE"),
+0x00EC => array(0x93, "LATIN SMALL LETTER I WITH GRAVE"),
+0x00EE => array(0x94, "LATIN SMALL LETTER I WITH CIRCUMFLEX"),
+0x00EF => array(0x95, "LATIN SMALL LETTER I WITH DIAERESIS"),
+0x00F1 => array(0x96, "LATIN SMALL LETTER N WITH TILDE"),
+0x00F3 => array(0x97, "LATIN SMALL LETTER O WITH ACUTE"),
+0x00F2 => array(0x98, "LATIN SMALL LETTER O WITH GRAVE"),
+0x00F4 => array(0x99, "LATIN SMALL LETTER O WITH CIRCUMFLEX"),
+0x00F6 => array(0x9A, "LATIN SMALL LETTER O WITH DIAERESIS"),
+0x00F5 => array(0x9B, "LATIN SMALL LETTER O WITH TILDE"),
+0x00FA => array(0x9C, "LATIN SMALL LETTER U WITH ACUTE"),
+0x00F9 => array(0x9D, "LATIN SMALL LETTER U WITH GRAVE"),
+0x00FB => array(0x9E, "LATIN SMALL LETTER U WITH CIRCUMFLEX"),
+0x00FC => array(0x9F, "LATIN SMALL LETTER U WITH DIAERESIS"),
+0x2020 => array(0xA0, "DAGGER"),
+0x00B0 => array(0xA1, "DEGREE SIGN"),
+0x00A2 => array(0xA2, "CENT SIGN"),
+0x00A3 => array(0xA3, "POUND SIGN"),
+0x00A7 => array(0xA4, "SECTION SIGN"),
+0x2022 => array(0xA5, "BULLET"),
+0x00B6 => array(0xA6, "PILCROW SIGN"),
+0x00DF => array(0xA7, "LATIN SMALL LETTER SHARP S"),
+0x00AE => array(0xA8, "REGISTERED SIGN"),
+0x00A9 => array(0xA9, "COPYRIGHT SIGN"),
+0x2122 => array(0xAA, "TRADE MARK SIGN"),
+0x00B4 => array(0xAB, "ACUTE ACCENT"),
+0x00A8 => array(0xAC, "DIAERESIS"),
+0x2260 => array(0xAD, "NOT EQUAL TO"),
+0x00C6 => array(0xAE, "LATIN CAPITAL LETTER AE"),
+0x00D8 => array(0xAF, "LATIN CAPITAL LETTER O WITH STROKE"),
+0x221E => array(0xB0, "INFINITY"),
+0x00B1 => array(0xB1, "PLUS-MINUS SIGN"),
+0x2264 => array(0xB2, "LESS-THAN OR EQUAL TO"),
+0x2265 => array(0xB3, "GREATER-THAN OR EQUAL TO"),
+0x00A5 => array(0xB4, "YEN SIGN"),
+0x00B5 => array(0xB5, "MICRO SIGN"),
+0x2202 => array(0xB6, "PARTIAL DIFFERENTIAL"),
+0x2211 => array(0xB7, "N-ARY SUMMATION"),
+0x220F => array(0xB8, "N-ARY PRODUCT"),
+0x03C0 => array(0xB9, "GREEK SMALL LETTER PI"),
+0x222B => array(0xBA, "INTEGRAL"),
+0x00AA => array(0xBB, "FEMININE ORDINAL INDICATOR"),
+0x00BA => array(0xBC, "MASCULINE ORDINAL INDICATOR"),
+0x03A9 => array(0xBD, "GREEK CAPITAL LETTER OMEGA"),
+0x00E6 => array(0xBE, "LATIN SMALL LETTER AE"),
+0x00F8 => array(0xBF, "LATIN SMALL LETTER O WITH STROKE"),
+0x00BF => array(0xC0, "INVERTED QUESTION MARK"),
+0x00A1 => array(0xC1, "INVERTED EXCLAMATION MARK"),
+0x00AC => array(0xC2, "NOT SIGN"),
+0x221A => array(0xC3, "SQUARE ROOT"),
+0x0192 => array(0xC4, "LATIN SMALL LETTER F WITH HOOK"),
+0x2248 => array(0xC5, "ALMOST EQUAL TO"),
+0x2206 => array(0xC6, "INCREMENT"),
+0x00AB => array(0xC7, "LEFT-POINTING DOUBLE ANGLE QUOTATION MARK"),
+0x00BB => array(0xC8, "RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK"),
+0x2026 => array(0xC9, "HORIZONTAL ELLIPSIS"),
+0x00A0 => array(0xCA, "NO-BREAK SPACE"),
+0x00C0 => array(0xCB, "LATIN CAPITAL LETTER A WITH GRAVE"),
+0x00C3 => array(0xCC, "LATIN CAPITAL LETTER A WITH TILDE"),
+0x00D5 => array(0xCD, "LATIN CAPITAL LETTER O WITH TILDE"),
+0x0152 => array(0xCE, "LATIN CAPITAL LIGATURE OE"),
+0x0153 => array(0xCF, "LATIN SMALL LIGATURE OE"),
+0x2013 => array(0xD0, "EN DASH"),
+0x2014 => array(0xD1, "EM DASH"),
+0x201C => array(0xD2, "LEFT DOUBLE QUOTATION MARK"),
+0x201D => array(0xD3, "RIGHT DOUBLE QUOTATION MARK"),
+0x2018 => array(0xD4, "LEFT SINGLE QUOTATION MARK"),
+0x2019 => array(0xD5, "RIGHT SINGLE QUOTATION MARK"),
+0x00F7 => array(0xD6, "DIVISION SIGN"),
+0x25CA => array(0xD7, "LOZENGE"),
+0x00FF => array(0xD8, "LATIN SMALL LETTER Y WITH DIAERESIS"),
+0x0178 => array(0xD9, "LATIN CAPITAL LETTER Y WITH DIAERESIS"),
+0x2044 => array(0xDA, "FRACTION SLASH"),
+0x20AC => array(0xDB, "EURO SIGN"),
+0x2039 => array(0xDC, "SINGLE LEFT-POINTING ANGLE QUOTATION MARK"),
+0x203A => array(0xDD, "SINGLE RIGHT-POINTING ANGLE QUOTATION MARK"),
+0xFB01 => array(0xDE, "LATIN SMALL LIGATURE FI"),
+0xFB02 => array(0xDF, "LATIN SMALL LIGATURE FL"),
+0x2021 => array(0xE0, "DOUBLE DAGGER"),
+0x00B7 => array(0xE1, "MIDDLE DOT"),
+0x201A => array(0xE2, "SINGLE LOW-9 QUOTATION MARK"),
+0x201E => array(0xE3, "DOUBLE LOW-9 QUOTATION MARK"),
+0x2030 => array(0xE4, "PER MILLE SIGN"),
+0x00C2 => array(0xE5, "LATIN CAPITAL LETTER A WITH CIRCUMFLEX"),
+0x00CA => array(0xE6, "LATIN CAPITAL LETTER E WITH CIRCUMFLEX"),
+0x00C1 => array(0xE7, "LATIN CAPITAL LETTER A WITH ACUTE"),
+0x00CB => array(0xE8, "LATIN CAPITAL LETTER E WITH DIAERESIS"),
+0x00C8 => array(0xE9, "LATIN CAPITAL LETTER E WITH GRAVE"),
+0x00CD => array(0xEA, "LATIN CAPITAL LETTER I WITH ACUTE"),
+0x00CE => array(0xEB, "LATIN CAPITAL LETTER I WITH CIRCUMFLEX"),
+0x00CF => array(0xEC, "LATIN CAPITAL LETTER I WITH DIAERESIS"),
+0x00CC => array(0xED, "LATIN CAPITAL LETTER I WITH GRAVE"),
+0x00D3 => array(0xEE, "LATIN CAPITAL LETTER O WITH ACUTE"),
+0x00D4 => array(0xEF, "LATIN CAPITAL LETTER O WITH CIRCUMFLEX"),
+0xF8FF => array(0xF0, "Apple logo"),
+0x00D2 => array(0xF1, "LATIN CAPITAL LETTER O WITH GRAVE"),
+0x00DA => array(0xF2, "LATIN CAPITAL LETTER U WITH ACUTE"),
+0x00DB => array(0xF3, "LATIN CAPITAL LETTER U WITH CIRCUMFLEX"),
+0x00D9 => array(0xF4, "LATIN CAPITAL LETTER U WITH GRAVE"),
+0x0131 => array(0xF5, "LATIN SMALL LETTER DOTLESS I"),
+0x02C6 => array(0xF6, "MODIFIER LETTER CIRCUMFLEX ACCENT"),
+0x02DC => array(0xF7, "SMALL TILDE"),
+0x00AF => array(0xF8, "MACRON"),
+0x02D8 => array(0xF9, "BREVE"),
+0x02D9 => array(0xFA, "DOT ABOVE"),
+0x02DA => array(0xFB, "RING ABOVE"),
+0x00B8 => array(0xFC, "CEDILLA"),
+0x02DD => array(0xFD, "DOUBLE ACUTE ACCENT"),
+0x02DB => array(0xFE, "OGONEK"),
+0x02C7 => array(0xFF, "CARON"),
+);
+
+$res = html_entity_decode("&#x7F;", ENT_QUOTES, 'MacRoman');
+echo "Special test for &#x7F; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'MacRoman');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'MacRoman');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+Special test for &#x7F; (shouldn't decode):
+&#x7F;
+
+LATIN CAPITAL LETTER A WITH DIAERESIS: &#xC4; => 80
+&#x80; => &#x80;
+
+LATIN CAPITAL LETTER A WITH RING ABOVE: &#xC5; => 81
+&#x81; => &#x81;
+
+LATIN CAPITAL LETTER C WITH CEDILLA: &#xC7; => 82
+&#x82; => &#x82;
+
+LATIN CAPITAL LETTER E WITH ACUTE: &#xC9; => 83
+&#x83; => &#x83;
+
+LATIN CAPITAL LETTER N WITH TILDE: &#xD1; => 84
+&#x84; => &#x84;
+
+LATIN CAPITAL LETTER O WITH DIAERESIS: &#xD6; => 85
+&#x85; => &#x85;
+
+LATIN CAPITAL LETTER U WITH DIAERESIS: &#xDC; => 86
+&#x86; => &#x86;
+
+LATIN SMALL LETTER A WITH ACUTE: &#xE1; => 87
+&#x87; => &#x87;
+
+LATIN SMALL LETTER A WITH GRAVE: &#xE0; => 88
+&#x88; => &#x88;
+
+LATIN SMALL LETTER A WITH CIRCUMFLEX: &#xE2; => 89
+&#x89; => &#x89;
+
+LATIN SMALL LETTER A WITH DIAERESIS: &#xE4; => 8a
+&#x8A; => &#x8A;
+
+LATIN SMALL LETTER A WITH TILDE: &#xE3; => 8b
+&#x8B; => &#x8B;
+
+LATIN SMALL LETTER A WITH RING ABOVE: &#xE5; => 8c
+&#x8C; => &#x8C;
+
+LATIN SMALL LETTER C WITH CEDILLA: &#xE7; => 8d
+&#x8D; => &#x8D;
+
+LATIN SMALL LETTER E WITH ACUTE: &#xE9; => 8e
+&#x8E; => &#x8E;
+
+LATIN SMALL LETTER E WITH GRAVE: &#xE8; => 8f
+&#x8F; => &#x8F;
+
+LATIN SMALL LETTER E WITH CIRCUMFLEX: &#xEA; => 90
+&#x90; => &#x90;
+
+LATIN SMALL LETTER E WITH DIAERESIS: &#xEB; => 91
+&#x91; => &#x91;
+
+LATIN SMALL LETTER I WITH ACUTE: &#xED; => 92
+&#x92; => &#x92;
+
+LATIN SMALL LETTER I WITH GRAVE: &#xEC; => 93
+&#x93; => &#x93;
+
+LATIN SMALL LETTER I WITH CIRCUMFLEX: &#xEE; => 94
+&#x94; => &#x94;
+
+LATIN SMALL LETTER I WITH DIAERESIS: &#xEF; => 95
+&#x95; => &#x95;
+
+LATIN SMALL LETTER N WITH TILDE: &#xF1; => 96
+&#x96; => &#x96;
+
+LATIN SMALL LETTER O WITH ACUTE: &#xF3; => 97
+&#x97; => &#x97;
+
+LATIN SMALL LETTER O WITH GRAVE: &#xF2; => 98
+&#x98; => &#x98;
+
+LATIN SMALL LETTER O WITH CIRCUMFLEX: &#xF4; => 99
+&#x99; => &#x99;
+
+LATIN SMALL LETTER O WITH DIAERESIS: &#xF6; => 9a
+&#x9A; => &#x9A;
+
+LATIN SMALL LETTER O WITH TILDE: &#xF5; => 9b
+&#x9B; => &#x9B;
+
+LATIN SMALL LETTER U WITH ACUTE: &#xFA; => 9c
+&#x9C; => &#x9C;
+
+LATIN SMALL LETTER U WITH GRAVE: &#xF9; => 9d
+&#x9D; => &#x9D;
+
+LATIN SMALL LETTER U WITH CIRCUMFLEX: &#xFB; => 9e
+&#x9E; => &#x9E;
+
+LATIN SMALL LETTER U WITH DIAERESIS: &#xFC; => 9f
+&#x9F; => &#x9F;
+
+DAGGER: &#x2020; => a0
+&#xA0; => ca
+
+DEGREE SIGN: &#xB0; => a1
+&#xA1; => c1
+
+CENT SIGN: &#xA2; => a2
+&#xA2; => a2
+
+POUND SIGN: &#xA3; => a3
+&#xA3; => a3
+
+SECTION SIGN: &#xA7; => a4
+&#xA4; => &#xA4;
+
+BULLET: &#x2022; => a5
+&#xA5; => b4
+
+PILCROW SIGN: &#xB6; => a6
+&#xA6; => &#xA6;
+
+LATIN SMALL LETTER SHARP S: &#xDF; => a7
+&#xA7; => a4
+
+REGISTERED SIGN: &#xAE; => a8
+&#xA8; => ac
+
+COPYRIGHT SIGN: &#xA9; => a9
+&#xA9; => a9
+
+TRADE MARK SIGN: &#x2122; => aa
+&#xAA; => bb
+
+ACUTE ACCENT: &#xB4; => ab
+&#xAB; => c7
+
+DIAERESIS: &#xA8; => ac
+&#xAC; => c2
+
+NOT EQUAL TO: &#x2260; => ad
+&#xAD; => &#xAD;
+
+LATIN CAPITAL LETTER AE: &#xC6; => ae
+&#xAE; => a8
+
+LATIN CAPITAL LETTER O WITH STROKE: &#xD8; => af
+&#xAF; => f8
+
+INFINITY: &#x221E; => b0
+&#xB0; => a1
+
+PLUS-MINUS SIGN: &#xB1; => b1
+&#xB1; => b1
+
+LESS-THAN OR EQUAL TO: &#x2264; => b2
+&#xB2; => &#xB2;
+
+GREATER-THAN OR EQUAL TO: &#x2265; => b3
+&#xB3; => &#xB3;
+
+YEN SIGN: &#xA5; => b4
+&#xB4; => ab
+
+MICRO SIGN: &#xB5; => b5
+&#xB5; => b5
+
+PARTIAL DIFFERENTIAL: &#x2202; => b6
+&#xB6; => a6
+
+N-ARY SUMMATION: &#x2211; => b7
+&#xB7; => e1
+
+N-ARY PRODUCT: &#x220F; => b8
+&#xB8; => fc
+
+GREEK SMALL LETTER PI: &#x3C0; => b9
+&#xB9; => &#xB9;
+
+INTEGRAL: &#x222B; => ba
+&#xBA; => bc
+
+FEMININE ORDINAL INDICATOR: &#xAA; => bb
+&#xBB; => c8
+
+MASCULINE ORDINAL INDICATOR: &#xBA; => bc
+&#xBC; => &#xBC;
+
+GREEK CAPITAL LETTER OMEGA: &#x3A9; => bd
+&#xBD; => &#xBD;
+
+LATIN SMALL LETTER AE: &#xE6; => be
+&#xBE; => &#xBE;
+
+LATIN SMALL LETTER O WITH STROKE: &#xF8; => bf
+&#xBF; => c0
+
+INVERTED QUESTION MARK: &#xBF; => c0
+&#xC0; => cb
+
+INVERTED EXCLAMATION MARK: &#xA1; => c1
+&#xC1; => e7
+
+NOT SIGN: &#xAC; => c2
+&#xC2; => e5
+
+SQUARE ROOT: &#x221A; => c3
+&#xC3; => cc
+
+LATIN SMALL LETTER F WITH HOOK: &#x192; => c4
+&#xC4; => 80
+
+ALMOST EQUAL TO: &#x2248; => c5
+&#xC5; => 81
+
+INCREMENT: &#x2206; => c6
+&#xC6; => ae
+
+LEFT-POINTING DOUBLE ANGLE QUOTATION MARK: &#xAB; => c7
+&#xC7; => 82
+
+RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK: &#xBB; => c8
+&#xC8; => e9
+
+HORIZONTAL ELLIPSIS: &#x2026; => c9
+&#xC9; => 83
+
+NO-BREAK SPACE: &#xA0; => ca
+&#xCA; => e6
+
+LATIN CAPITAL LETTER A WITH GRAVE: &#xC0; => cb
+&#xCB; => e8
+
+LATIN CAPITAL LETTER A WITH TILDE: &#xC3; => cc
+&#xCC; => ed
+
+LATIN CAPITAL LETTER O WITH TILDE: &#xD5; => cd
+&#xCD; => ea
+
+LATIN CAPITAL LIGATURE OE: &#x152; => ce
+&#xCE; => eb
+
+LATIN SMALL LIGATURE OE: &#x153; => cf
+&#xCF; => ec
+
+EN DASH: &#x2013; => d0
+&#xD0; => &#xD0;
+
+EM DASH: &#x2014; => d1
+&#xD1; => 84
+
+LEFT DOUBLE QUOTATION MARK: &#x201C; => d2
+&#xD2; => f1
+
+RIGHT DOUBLE QUOTATION MARK: &#x201D; => d3
+&#xD3; => ee
+
+LEFT SINGLE QUOTATION MARK: &#x2018; => d4
+&#xD4; => ef
+
+RIGHT SINGLE QUOTATION MARK: &#x2019; => d5
+&#xD5; => cd
+
+DIVISION SIGN: &#xF7; => d6
+&#xD6; => 85
+
+LOZENGE: &#x25CA; => d7
+&#xD7; => &#xD7;
+
+LATIN SMALL LETTER Y WITH DIAERESIS: &#xFF; => d8
+&#xD8; => af
+
+LATIN CAPITAL LETTER Y WITH DIAERESIS: &#x178; => d9
+&#xD9; => f4
+
+FRACTION SLASH: &#x2044; => da
+&#xDA; => f2
+
+EURO SIGN: &#x20AC; => db
+&#xDB; => f3
+
+SINGLE LEFT-POINTING ANGLE QUOTATION MARK: &#x2039; => dc
+&#xDC; => 86
+
+SINGLE RIGHT-POINTING ANGLE QUOTATION MARK: &#x203A; => dd
+&#xDD; => &#xDD;
+
+LATIN SMALL LIGATURE FI: &#xFB01; => de
+&#xDE; => &#xDE;
+
+LATIN SMALL LIGATURE FL: &#xFB02; => df
+&#xDF; => a7
+
+DOUBLE DAGGER: &#x2021; => e0
+&#xE0; => 88
+
+MIDDLE DOT: &#xB7; => e1
+&#xE1; => 87
+
+SINGLE LOW-9 QUOTATION MARK: &#x201A; => e2
+&#xE2; => 89
+
+DOUBLE LOW-9 QUOTATION MARK: &#x201E; => e3
+&#xE3; => 8b
+
+PER MILLE SIGN: &#x2030; => e4
+&#xE4; => 8a
+
+LATIN CAPITAL LETTER A WITH CIRCUMFLEX: &#xC2; => e5
+&#xE5; => 8c
+
+LATIN CAPITAL LETTER E WITH CIRCUMFLEX: &#xCA; => e6
+&#xE6; => be
+
+LATIN CAPITAL LETTER A WITH ACUTE: &#xC1; => e7
+&#xE7; => 8d
+
+LATIN CAPITAL LETTER E WITH DIAERESIS: &#xCB; => e8
+&#xE8; => 8f
+
+LATIN CAPITAL LETTER E WITH GRAVE: &#xC8; => e9
+&#xE9; => 8e
+
+LATIN CAPITAL LETTER I WITH ACUTE: &#xCD; => ea
+&#xEA; => 90
+
+LATIN CAPITAL LETTER I WITH CIRCUMFLEX: &#xCE; => eb
+&#xEB; => 91
+
+LATIN CAPITAL LETTER I WITH DIAERESIS: &#xCF; => ec
+&#xEC; => 93
+
+LATIN CAPITAL LETTER I WITH GRAVE: &#xCC; => ed
+&#xED; => 92
+
+LATIN CAPITAL LETTER O WITH ACUTE: &#xD3; => ee
+&#xEE; => 94
+
+LATIN CAPITAL LETTER O WITH CIRCUMFLEX: &#xD4; => ef
+&#xEF; => 95
+
+Apple logo: &#xF8FF; => f0
+&#xF0; => &#xF0;
+
+LATIN CAPITAL LETTER O WITH GRAVE: &#xD2; => f1
+&#xF1; => 96
+
+LATIN CAPITAL LETTER U WITH ACUTE: &#xDA; => f2
+&#xF2; => 98
+
+LATIN CAPITAL LETTER U WITH CIRCUMFLEX: &#xDB; => f3
+&#xF3; => 97
+
+LATIN CAPITAL LETTER U WITH GRAVE: &#xD9; => f4
+&#xF4; => 99
+
+LATIN SMALL LETTER DOTLESS I: &#x131; => f5
+&#xF5; => 9b
+
+MODIFIER LETTER CIRCUMFLEX ACCENT: &#x2C6; => f6
+&#xF6; => 9a
+
+SMALL TILDE: &#x2DC; => f7
+&#xF7; => d6
+
+MACRON: &#xAF; => f8
+&#xF8; => bf
+
+BREVE: &#x2D8; => f9
+&#xF9; => 9d
+
+DOT ABOVE: &#x2D9; => fa
+&#xFA; => 9c
+
+RING ABOVE: &#x2DA; => fb
+&#xFB; => 9e
+
+CEDILLA: &#xB8; => fc
+&#xFC; => 9f
+
+DOUBLE ACUTE ACCENT: &#x2DD; => fd
+&#xFD; => &#xFD;
+
+OGONEK: &#x2DB; => fe
+&#xFE; => &#xFE;
+
+CARON: &#x2C7; => ff
+&#xFF; => d8
diff --git a/tests/std/strings/html_entity_decode_win1251.phpt b/tests/std/strings/html_entity_decode_win1251.phpt
new file mode 100644
index 00000000..8a9b3dde
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_win1251.phpt
@@ -0,0 +1,536 @@
+--TEST--
+Translation of HTML entities for encoding WIN-1251
+--FILE--
+<?php
+$arr = array(
+0x0402 => array(0x80, "CYRILLIC CAPITAL LETTER DJE"),
+0x0403 => array(0x81, "CYRILLIC CAPITAL LETTER GJE"),
+0x201A => array(0x82, "SINGLE LOW-9 QUOTATION MARK"),
+0x0453 => array(0x83, "CYRILLIC SMALL LETTER GJE"),
+0x201E => array(0x84, "DOUBLE LOW-9 QUOTATION MARK"),
+0x2026 => array(0x85, "HORIZONTAL ELLIPSIS"),
+0x2020 => array(0x86, "DAGGER"),
+0x2021 => array(0x87, "DOUBLE DAGGER"),
+0x20AC => array(0x88, "EURO SIGN"),
+0x2030 => array(0x89, "PER MILLE SIGN"),
+0x0409 => array(0x8A, "CYRILLIC CAPITAL LETTER LJE"),
+0x2039 => array(0x8B, "SINGLE LEFT-POINTING ANGLE QUOTATION MARK"),
+0x040A => array(0x8C, "CYRILLIC CAPITAL LETTER NJE"),
+0x040C => array(0x8D, "CYRILLIC CAPITAL LETTER KJE"),
+0x040B => array(0x8E, "CYRILLIC CAPITAL LETTER TSHE"),
+0x040F => array(0x8F, "CYRILLIC CAPITAL LETTER DZHE"),
+0x0452 => array(0x90, "CYRILLIC SMALL LETTER DJE"),
+0x2018 => array(0x91, "LEFT SINGLE QUOTATION MARK"),
+0x2019 => array(0x92, "RIGHT SINGLE QUOTATION MARK"),
+0x201C => array(0x93, "LEFT DOUBLE QUOTATION MARK"),
+0x201D => array(0x94, "RIGHT DOUBLE QUOTATION MARK"),
+0x2022 => array(0x95, "BULLET"),
+0x2013 => array(0x96, "EN DASH"),
+0x2014 => array(0x97, "EM DASH"),
+//0x98	      	#UNDEFINED
+0x2122 => array(0x99, "TRADE MARK SIGN"),
+0x0459 => array(0x9A, "CYRILLIC SMALL LETTER LJE"),
+0x203A => array(0x9B, "SINGLE RIGHT-POINTING ANGLE QUOTATION MARK"),
+0x045A => array(0x9C, "CYRILLIC SMALL LETTER NJE"),
+0x045C => array(0x9D, "CYRILLIC SMALL LETTER KJE"),
+0x045B => array(0x9E, "CYRILLIC SMALL LETTER TSHE"),
+0x045F => array(0x9F, "CYRILLIC SMALL LETTER DZHE"),
+0x00A0 => array(0xA0, "NO-BREAK SPACE"),
+0x040E => array(0xA1, "CYRILLIC CAPITAL LETTER SHORT U"),
+0x045E => array(0xA2, "CYRILLIC SMALL LETTER SHORT U"),
+0x0408 => array(0xA3, "CYRILLIC CAPITAL LETTER JE"),
+0x00A4 => array(0xA4, "CURRENCY SIGN"),
+0x0490 => array(0xA5, "CYRILLIC CAPITAL LETTER GHE WITH UPTURN"),
+0x00A6 => array(0xA6, "BROKEN BAR"),
+0x00A7 => array(0xA7, "SECTION SIGN"),
+0x0401 => array(0xA8, "CYRILLIC CAPITAL LETTER IO"),
+0x00A9 => array(0xA9, "COPYRIGHT SIGN"),
+0x0404 => array(0xAA, "CYRILLIC CAPITAL LETTER UKRAINIAN IE"),
+0x00AB => array(0xAB, "LEFT-POINTING DOUBLE ANGLE QUOTATION MARK"),
+0x00AC => array(0xAC, "NOT SIGN"),
+0x00AD => array(0xAD, "SOFT HYPHEN"),
+0x00AE => array(0xAE, "REGISTERED SIGN"),
+0x0407 => array(0xAF, "CYRILLIC CAPITAL LETTER YI"),
+0x00B0 => array(0xB0, "DEGREE SIGN"),
+0x00B1 => array(0xB1, "PLUS-MINUS SIGN"),
+0x0406 => array(0xB2, "CYRILLIC CAPITAL LETTER BYELORUSSIAN-UKRAINIAN I"),
+0x0456 => array(0xB3, "CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I"),
+0x0491 => array(0xB4, "CYRILLIC SMALL LETTER GHE WITH UPTURN"),
+0x00B5 => array(0xB5, "MICRO SIGN"),
+0x00B6 => array(0xB6, "PILCROW SIGN"),
+0x00B7 => array(0xB7, "MIDDLE DOT"),
+0x0451 => array(0xB8, "CYRILLIC SMALL LETTER IO"),
+0x2116 => array(0xB9, "NUMERO SIGN"),
+0x0454 => array(0xBA, "CYRILLIC SMALL LETTER UKRAINIAN IE"),
+0x00BB => array(0xBB, "RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK"),
+0x0458 => array(0xBC, "CYRILLIC SMALL LETTER JE"),
+0x0405 => array(0xBD, "CYRILLIC CAPITAL LETTER DZE"),
+0x0455 => array(0xBE, "CYRILLIC SMALL LETTER DZE"),
+0x0457 => array(0xBF, "CYRILLIC SMALL LETTER YI"),
+0x0410 => array(0xC0, "CYRILLIC CAPITAL LETTER A"),
+0x0411 => array(0xC1, "CYRILLIC CAPITAL LETTER BE"),
+0x0412 => array(0xC2, "CYRILLIC CAPITAL LETTER VE"),
+0x0413 => array(0xC3, "CYRILLIC CAPITAL LETTER GHE"),
+0x0414 => array(0xC4, "CYRILLIC CAPITAL LETTER DE"),
+0x0415 => array(0xC5, "CYRILLIC CAPITAL LETTER IE"),
+0x0416 => array(0xC6, "CYRILLIC CAPITAL LETTER ZHE"),
+0x0417 => array(0xC7, "CYRILLIC CAPITAL LETTER ZE"),
+0x0418 => array(0xC8, "CYRILLIC CAPITAL LETTER I"),
+0x0419 => array(0xC9, "CYRILLIC CAPITAL LETTER SHORT I"),
+0x041A => array(0xCA, "CYRILLIC CAPITAL LETTER KA"),
+0x041B => array(0xCB, "CYRILLIC CAPITAL LETTER EL"),
+0x041C => array(0xCC, "CYRILLIC CAPITAL LETTER EM"),
+0x041D => array(0xCD, "CYRILLIC CAPITAL LETTER EN"),
+0x041E => array(0xCE, "CYRILLIC CAPITAL LETTER O"),
+0x041F => array(0xCF, "CYRILLIC CAPITAL LETTER PE"),
+0x0420 => array(0xD0, "CYRILLIC CAPITAL LETTER ER"),
+0x0421 => array(0xD1, "CYRILLIC CAPITAL LETTER ES"),
+0x0422 => array(0xD2, "CYRILLIC CAPITAL LETTER TE"),
+0x0423 => array(0xD3, "CYRILLIC CAPITAL LETTER U"),
+0x0424 => array(0xD4, "CYRILLIC CAPITAL LETTER EF"),
+0x0425 => array(0xD5, "CYRILLIC CAPITAL LETTER HA"),
+0x0426 => array(0xD6, "CYRILLIC CAPITAL LETTER TSE"),
+0x0427 => array(0xD7, "CYRILLIC CAPITAL LETTER CHE"),
+0x0428 => array(0xD8, "CYRILLIC CAPITAL LETTER SHA"),
+0x0429 => array(0xD9, "CYRILLIC CAPITAL LETTER SHCHA"),
+0x042A => array(0xDA, "CYRILLIC CAPITAL LETTER HARD SIGN"),
+0x042B => array(0xDB, "CYRILLIC CAPITAL LETTER YERU"),
+0x042C => array(0xDC, "CYRILLIC CAPITAL LETTER SOFT SIGN"),
+0x042D => array(0xDD, "CYRILLIC CAPITAL LETTER E"),
+0x042E => array(0xDE, "CYRILLIC CAPITAL LETTER YU"),
+0x042F => array(0xDF, "CYRILLIC CAPITAL LETTER YA"),
+0x0430 => array(0xE0, "CYRILLIC SMALL LETTER A"),
+0x0431 => array(0xE1, "CYRILLIC SMALL LETTER BE"),
+0x0432 => array(0xE2, "CYRILLIC SMALL LETTER VE"),
+0x0433 => array(0xE3, "CYRILLIC SMALL LETTER GHE"),
+0x0434 => array(0xE4, "CYRILLIC SMALL LETTER DE"),
+0x0435 => array(0xE5, "CYRILLIC SMALL LETTER IE"),
+0x0436 => array(0xE6, "CYRILLIC SMALL LETTER ZHE"),
+0x0437 => array(0xE7, "CYRILLIC SMALL LETTER ZE"),
+0x0438 => array(0xE8, "CYRILLIC SMALL LETTER I"),
+0x0439 => array(0xE9, "CYRILLIC SMALL LETTER SHORT I"),
+0x043A => array(0xEA, "CYRILLIC SMALL LETTER KA"),
+0x043B => array(0xEB, "CYRILLIC SMALL LETTER EL"),
+0x043C => array(0xEC, "CYRILLIC SMALL LETTER EM"),
+0x043D => array(0xED, "CYRILLIC SMALL LETTER EN"),
+0x043E => array(0xEE, "CYRILLIC SMALL LETTER O"),
+0x043F => array(0xEF, "CYRILLIC SMALL LETTER PE"),
+0x0440 => array(0xF0, "CYRILLIC SMALL LETTER ER"),
+0x0441 => array(0xF1, "CYRILLIC SMALL LETTER ES"),
+0x0442 => array(0xF2, "CYRILLIC SMALL LETTER TE"),
+0x0443 => array(0xF3, "CYRILLIC SMALL LETTER U"),
+0x0444 => array(0xF4, "CYRILLIC SMALL LETTER EF"),
+0x0445 => array(0xF5, "CYRILLIC SMALL LETTER HA"),
+0x0446 => array(0xF6, "CYRILLIC SMALL LETTER TSE"),
+0x0447 => array(0xF7, "CYRILLIC SMALL LETTER CHE"),
+0x0448 => array(0xF8, "CYRILLIC SMALL LETTER SHA"),
+0x0449 => array(0xF9, "CYRILLIC SMALL LETTER SHCHA"),
+0x044A => array(0xFA, "CYRILLIC SMALL LETTER HARD SIGN"),
+0x044B => array(0xFB, "CYRILLIC SMALL LETTER YERU"),
+0x044C => array(0xFC, "CYRILLIC SMALL LETTER SOFT SIGN"),
+0x044D => array(0xFD, "CYRILLIC SMALL LETTER E"),
+0x044E => array(0xFE, "CYRILLIC SMALL LETTER YU"),
+0x044F => array(0xFF, "CYRILLIC SMALL LETTER YA"),
+);
+
+$res = html_entity_decode("&#x98;", ENT_QUOTES, 'WINDOWS-1251');
+echo "Special test for &#x98; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'WINDOWS-1251');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'WINDOWS-1251');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+Special test for &#x98; (shouldn't decode):
+&#x98;
+
+CYRILLIC CAPITAL LETTER DJE: &#x402; => 80
+&#x80; => &#x80;
+
+CYRILLIC CAPITAL LETTER GJE: &#x403; => 81
+&#x81; => &#x81;
+
+SINGLE LOW-9 QUOTATION MARK: &#x201A; => 82
+&#x82; => &#x82;
+
+CYRILLIC SMALL LETTER GJE: &#x453; => 83
+&#x83; => &#x83;
+
+DOUBLE LOW-9 QUOTATION MARK: &#x201E; => 84
+&#x84; => &#x84;
+
+HORIZONTAL ELLIPSIS: &#x2026; => 85
+&#x85; => &#x85;
+
+DAGGER: &#x2020; => 86
+&#x86; => &#x86;
+
+DOUBLE DAGGER: &#x2021; => 87
+&#x87; => &#x87;
+
+EURO SIGN: &#x20AC; => 88
+&#x88; => &#x88;
+
+PER MILLE SIGN: &#x2030; => 89
+&#x89; => &#x89;
+
+CYRILLIC CAPITAL LETTER LJE: &#x409; => 8a
+&#x8A; => &#x8A;
+
+SINGLE LEFT-POINTING ANGLE QUOTATION MARK: &#x2039; => 8b
+&#x8B; => &#x8B;
+
+CYRILLIC CAPITAL LETTER NJE: &#x40A; => 8c
+&#x8C; => &#x8C;
+
+CYRILLIC CAPITAL LETTER KJE: &#x40C; => 8d
+&#x8D; => &#x8D;
+
+CYRILLIC CAPITAL LETTER TSHE: &#x40B; => 8e
+&#x8E; => &#x8E;
+
+CYRILLIC CAPITAL LETTER DZHE: &#x40F; => 8f
+&#x8F; => &#x8F;
+
+CYRILLIC SMALL LETTER DJE: &#x452; => 90
+&#x90; => &#x90;
+
+LEFT SINGLE QUOTATION MARK: &#x2018; => 91
+&#x91; => &#x91;
+
+RIGHT SINGLE QUOTATION MARK: &#x2019; => 92
+&#x92; => &#x92;
+
+LEFT DOUBLE QUOTATION MARK: &#x201C; => 93
+&#x93; => &#x93;
+
+RIGHT DOUBLE QUOTATION MARK: &#x201D; => 94
+&#x94; => &#x94;
+
+BULLET: &#x2022; => 95
+&#x95; => &#x95;
+
+EN DASH: &#x2013; => 96
+&#x96; => &#x96;
+
+EM DASH: &#x2014; => 97
+&#x97; => &#x97;
+
+TRADE MARK SIGN: &#x2122; => 99
+&#x99; => &#x99;
+
+CYRILLIC SMALL LETTER LJE: &#x459; => 9a
+&#x9A; => &#x9A;
+
+SINGLE RIGHT-POINTING ANGLE QUOTATION MARK: &#x203A; => 9b
+&#x9B; => &#x9B;
+
+CYRILLIC SMALL LETTER NJE: &#x45A; => 9c
+&#x9C; => &#x9C;
+
+CYRILLIC SMALL LETTER KJE: &#x45C; => 9d
+&#x9D; => &#x9D;
+
+CYRILLIC SMALL LETTER TSHE: &#x45B; => 9e
+&#x9E; => &#x9E;
+
+CYRILLIC SMALL LETTER DZHE: &#x45F; => 9f
+&#x9F; => &#x9F;
+
+NO-BREAK SPACE: &#xA0; => a0
+&#xA0; => a0
+
+CYRILLIC CAPITAL LETTER SHORT U: &#x40E; => a1
+&#xA1; => &#xA1;
+
+CYRILLIC SMALL LETTER SHORT U: &#x45E; => a2
+&#xA2; => &#xA2;
+
+CYRILLIC CAPITAL LETTER JE: &#x408; => a3
+&#xA3; => &#xA3;
+
+CURRENCY SIGN: &#xA4; => a4
+&#xA4; => a4
+
+CYRILLIC CAPITAL LETTER GHE WITH UPTURN: &#x490; => a5
+&#xA5; => &#xA5;
+
+BROKEN BAR: &#xA6; => a6
+&#xA6; => a6
+
+SECTION SIGN: &#xA7; => a7
+&#xA7; => a7
+
+CYRILLIC CAPITAL LETTER IO: &#x401; => a8
+&#xA8; => &#xA8;
+
+COPYRIGHT SIGN: &#xA9; => a9
+&#xA9; => a9
+
+CYRILLIC CAPITAL LETTER UKRAINIAN IE: &#x404; => aa
+&#xAA; => &#xAA;
+
+LEFT-POINTING DOUBLE ANGLE QUOTATION MARK: &#xAB; => ab
+&#xAB; => ab
+
+NOT SIGN: &#xAC; => ac
+&#xAC; => ac
+
+SOFT HYPHEN: &#xAD; => ad
+&#xAD; => ad
+
+REGISTERED SIGN: &#xAE; => ae
+&#xAE; => ae
+
+CYRILLIC CAPITAL LETTER YI: &#x407; => af
+&#xAF; => &#xAF;
+
+DEGREE SIGN: &#xB0; => b0
+&#xB0; => b0
+
+PLUS-MINUS SIGN: &#xB1; => b1
+&#xB1; => b1
+
+CYRILLIC CAPITAL LETTER BYELORUSSIAN-UKRAINIAN I: &#x406; => b2
+&#xB2; => &#xB2;
+
+CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I: &#x456; => b3
+&#xB3; => &#xB3;
+
+CYRILLIC SMALL LETTER GHE WITH UPTURN: &#x491; => b4
+&#xB4; => &#xB4;
+
+MICRO SIGN: &#xB5; => b5
+&#xB5; => b5
+
+PILCROW SIGN: &#xB6; => b6
+&#xB6; => b6
+
+MIDDLE DOT: &#xB7; => b7
+&#xB7; => b7
+
+CYRILLIC SMALL LETTER IO: &#x451; => b8
+&#xB8; => &#xB8;
+
+NUMERO SIGN: &#x2116; => b9
+&#xB9; => &#xB9;
+
+CYRILLIC SMALL LETTER UKRAINIAN IE: &#x454; => ba
+&#xBA; => &#xBA;
+
+RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK: &#xBB; => bb
+&#xBB; => bb
+
+CYRILLIC SMALL LETTER JE: &#x458; => bc
+&#xBC; => &#xBC;
+
+CYRILLIC CAPITAL LETTER DZE: &#x405; => bd
+&#xBD; => &#xBD;
+
+CYRILLIC SMALL LETTER DZE: &#x455; => be
+&#xBE; => &#xBE;
+
+CYRILLIC SMALL LETTER YI: &#x457; => bf
+&#xBF; => &#xBF;
+
+CYRILLIC CAPITAL LETTER A: &#x410; => c0
+&#xC0; => &#xC0;
+
+CYRILLIC CAPITAL LETTER BE: &#x411; => c1
+&#xC1; => &#xC1;
+
+CYRILLIC CAPITAL LETTER VE: &#x412; => c2
+&#xC2; => &#xC2;
+
+CYRILLIC CAPITAL LETTER GHE: &#x413; => c3
+&#xC3; => &#xC3;
+
+CYRILLIC CAPITAL LETTER DE: &#x414; => c4
+&#xC4; => &#xC4;
+
+CYRILLIC CAPITAL LETTER IE: &#x415; => c5
+&#xC5; => &#xC5;
+
+CYRILLIC CAPITAL LETTER ZHE: &#x416; => c6
+&#xC6; => &#xC6;
+
+CYRILLIC CAPITAL LETTER ZE: &#x417; => c7
+&#xC7; => &#xC7;
+
+CYRILLIC CAPITAL LETTER I: &#x418; => c8
+&#xC8; => &#xC8;
+
+CYRILLIC CAPITAL LETTER SHORT I: &#x419; => c9
+&#xC9; => &#xC9;
+
+CYRILLIC CAPITAL LETTER KA: &#x41A; => ca
+&#xCA; => &#xCA;
+
+CYRILLIC CAPITAL LETTER EL: &#x41B; => cb
+&#xCB; => &#xCB;
+
+CYRILLIC CAPITAL LETTER EM: &#x41C; => cc
+&#xCC; => &#xCC;
+
+CYRILLIC CAPITAL LETTER EN: &#x41D; => cd
+&#xCD; => &#xCD;
+
+CYRILLIC CAPITAL LETTER O: &#x41E; => ce
+&#xCE; => &#xCE;
+
+CYRILLIC CAPITAL LETTER PE: &#x41F; => cf
+&#xCF; => &#xCF;
+
+CYRILLIC CAPITAL LETTER ER: &#x420; => d0
+&#xD0; => &#xD0;
+
+CYRILLIC CAPITAL LETTER ES: &#x421; => d1
+&#xD1; => &#xD1;
+
+CYRILLIC CAPITAL LETTER TE: &#x422; => d2
+&#xD2; => &#xD2;
+
+CYRILLIC CAPITAL LETTER U: &#x423; => d3
+&#xD3; => &#xD3;
+
+CYRILLIC CAPITAL LETTER EF: &#x424; => d4
+&#xD4; => &#xD4;
+
+CYRILLIC CAPITAL LETTER HA: &#x425; => d5
+&#xD5; => &#xD5;
+
+CYRILLIC CAPITAL LETTER TSE: &#x426; => d6
+&#xD6; => &#xD6;
+
+CYRILLIC CAPITAL LETTER CHE: &#x427; => d7
+&#xD7; => &#xD7;
+
+CYRILLIC CAPITAL LETTER SHA: &#x428; => d8
+&#xD8; => &#xD8;
+
+CYRILLIC CAPITAL LETTER SHCHA: &#x429; => d9
+&#xD9; => &#xD9;
+
+CYRILLIC CAPITAL LETTER HARD SIGN: &#x42A; => da
+&#xDA; => &#xDA;
+
+CYRILLIC CAPITAL LETTER YERU: &#x42B; => db
+&#xDB; => &#xDB;
+
+CYRILLIC CAPITAL LETTER SOFT SIGN: &#x42C; => dc
+&#xDC; => &#xDC;
+
+CYRILLIC CAPITAL LETTER E: &#x42D; => dd
+&#xDD; => &#xDD;
+
+CYRILLIC CAPITAL LETTER YU: &#x42E; => de
+&#xDE; => &#xDE;
+
+CYRILLIC CAPITAL LETTER YA: &#x42F; => df
+&#xDF; => &#xDF;
+
+CYRILLIC SMALL LETTER A: &#x430; => e0
+&#xE0; => &#xE0;
+
+CYRILLIC SMALL LETTER BE: &#x431; => e1
+&#xE1; => &#xE1;
+
+CYRILLIC SMALL LETTER VE: &#x432; => e2
+&#xE2; => &#xE2;
+
+CYRILLIC SMALL LETTER GHE: &#x433; => e3
+&#xE3; => &#xE3;
+
+CYRILLIC SMALL LETTER DE: &#x434; => e4
+&#xE4; => &#xE4;
+
+CYRILLIC SMALL LETTER IE: &#x435; => e5
+&#xE5; => &#xE5;
+
+CYRILLIC SMALL LETTER ZHE: &#x436; => e6
+&#xE6; => &#xE6;
+
+CYRILLIC SMALL LETTER ZE: &#x437; => e7
+&#xE7; => &#xE7;
+
+CYRILLIC SMALL LETTER I: &#x438; => e8
+&#xE8; => &#xE8;
+
+CYRILLIC SMALL LETTER SHORT I: &#x439; => e9
+&#xE9; => &#xE9;
+
+CYRILLIC SMALL LETTER KA: &#x43A; => ea
+&#xEA; => &#xEA;
+
+CYRILLIC SMALL LETTER EL: &#x43B; => eb
+&#xEB; => &#xEB;
+
+CYRILLIC SMALL LETTER EM: &#x43C; => ec
+&#xEC; => &#xEC;
+
+CYRILLIC SMALL LETTER EN: &#x43D; => ed
+&#xED; => &#xED;
+
+CYRILLIC SMALL LETTER O: &#x43E; => ee
+&#xEE; => &#xEE;
+
+CYRILLIC SMALL LETTER PE: &#x43F; => ef
+&#xEF; => &#xEF;
+
+CYRILLIC SMALL LETTER ER: &#x440; => f0
+&#xF0; => &#xF0;
+
+CYRILLIC SMALL LETTER ES: &#x441; => f1
+&#xF1; => &#xF1;
+
+CYRILLIC SMALL LETTER TE: &#x442; => f2
+&#xF2; => &#xF2;
+
+CYRILLIC SMALL LETTER U: &#x443; => f3
+&#xF3; => &#xF3;
+
+CYRILLIC SMALL LETTER EF: &#x444; => f4
+&#xF4; => &#xF4;
+
+CYRILLIC SMALL LETTER HA: &#x445; => f5
+&#xF5; => &#xF5;
+
+CYRILLIC SMALL LETTER TSE: &#x446; => f6
+&#xF6; => &#xF6;
+
+CYRILLIC SMALL LETTER CHE: &#x447; => f7
+&#xF7; => &#xF7;
+
+CYRILLIC SMALL LETTER SHA: &#x448; => f8
+&#xF8; => &#xF8;
+
+CYRILLIC SMALL LETTER SHCHA: &#x449; => f9
+&#xF9; => &#xF9;
+
+CYRILLIC SMALL LETTER HARD SIGN: &#x44A; => fa
+&#xFA; => &#xFA;
+
+CYRILLIC SMALL LETTER YERU: &#x44B; => fb
+&#xFB; => &#xFB;
+
+CYRILLIC SMALL LETTER SOFT SIGN: &#x44C; => fc
+&#xFC; => &#xFC;
+
+CYRILLIC SMALL LETTER E: &#x44D; => fd
+&#xFD; => &#xFD;
+
+CYRILLIC SMALL LETTER YU: &#x44E; => fe
+&#xFE; => &#xFE;
+
+CYRILLIC SMALL LETTER YA: &#x44F; => ff
+&#xFF; => &#xFF;
diff --git a/tests/std/strings/html_entity_decode_win1252.phpt b/tests/std/strings/html_entity_decode_win1252.phpt
new file mode 100644
index 00000000..4341426c
--- /dev/null
+++ b/tests/std/strings/html_entity_decode_win1252.phpt
@@ -0,0 +1,168 @@
+--TEST--
+Translation of HTML entities for encoding WIN-1252
+--FILE--
+<?php
+$arr = array(
+0x20AC => array(0x80, "EURO SIGN"),
+//0x81	      	#UNDEFINED
+0x201A => array(0x82, "SINGLE LOW-9 QUOTATION MARK"),
+0x0192 => array(0x83, "LATIN SMALL LETTER F WITH HOOK"),
+0x201E => array(0x84, "DOUBLE LOW-9 QUOTATION MARK"),
+0x2026 => array(0x85, "HORIZONTAL ELLIPSIS"),
+0x2020 => array(0x86, "DAGGER"),
+0x2021 => array(0x87, "DOUBLE DAGGER"),
+0x02C6 => array(0x88, "MODIFIER LETTER CIRCUMFLEX ACCENT"),
+0x2030 => array(0x89, "PER MILLE SIGN"),
+0x0160 => array(0x8A, "LATIN CAPITAL LETTER S WITH CARON"),
+0x2039 => array(0x8B, "SINGLE LEFT-POINTING ANGLE QUOTATION MARK"),
+0x0152 => array(0x8C, "LATIN CAPITAL LIGATURE OE"),
+//0x8D	      	#UNDEFINED
+0x017D => array(0x8E, "LATIN CAPITAL LETTER Z WITH CARON"),
+//0x8F	      	#UNDEFINED
+//0x90	      	#UNDEFINED
+0x2018 => array(0x91, "LEFT SINGLE QUOTATION MARK"),
+0x2019 => array(0x92, "RIGHT SINGLE QUOTATION MARK"),
+0x201C => array(0x93, "LEFT DOUBLE QUOTATION MARK"),
+0x201D => array(0x94, "RIGHT DOUBLE QUOTATION MARK"),
+0x2022 => array(0x95, "BULLET"),
+0x2013 => array(0x96, "EN DASH"),
+0x2014 => array(0x97, "EM DASH"),
+0x02DC => array(0x98, "SMALL TILDE"),
+0x2122 => array(0x99, "TRADE MARK SIGN"),
+0x0161 => array(0x9A, "LATIN SMALL LETTER S WITH CARON"),
+0x203A => array(0x9B, "SINGLE RIGHT-POINTING ANGLE QUOTATION MARK"),
+0x0153 => array(0x9C, "LATIN SMALL LIGATURE OE"),
+//0x9D	      	#UNDEFINED
+0x017E => array(0x9E, "LATIN SMALL LETTER Z WITH CARON"),
+0x0178 => array(0x9F, "LATIN CAPITAL LETTER Y WITH DIAERESIS"),
+);
+
+$res = html_entity_decode("&#x81;", ENT_QUOTES, 'WINDOWS-1252');
+echo "Special test for &#x81; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+$res = html_entity_decode("&#x8D;", ENT_QUOTES, 'WINDOWS-1252');
+echo "Special test for &#x8D; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+$res = html_entity_decode("&#x8F;", ENT_QUOTES, 'WINDOWS-1252');
+echo "Special test for &#x8F; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+$res = html_entity_decode("&#x90;", ENT_QUOTES, 'WINDOWS-1252');
+echo "Special test for &#x90; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+$res = html_entity_decode("&#x9D;", ENT_QUOTES, 'WINDOWS-1252');
+echo "Special test for &#x9D; (shouldn't decode):\n";
+echo $res,"\n\n";
+
+foreach ($arr as $u => $v) {
+    $ent = sprintf("&#x%X;", $u);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'WINDOWS-1252');
+    $d = unpack("H*", $res);
+    echo sprintf("%s: %s => %s\n", $v[1], $ent, $d[1]);
+
+    $ent = sprintf("&#x%X;", $v[0]);
+    $res = html_entity_decode($ent, ENT_QUOTES, 'WINDOWS-1252');
+    if ($res[0] != "&" || $res[1] != "#")
+        $res = unpack("H*", $res)[1];
+    echo sprintf("%s => %s\n\n", $ent, $res);
+}
+?>
+--EXPECT--
+Special test for &#x81; (shouldn't decode):
+&#x81;
+
+Special test for &#x8D; (shouldn't decode):
+&#x8D;
+
+Special test for &#x8F; (shouldn't decode):
+&#x8F;
+
+Special test for &#x90; (shouldn't decode):
+&#x90;
+
+Special test for &#x9D; (shouldn't decode):
+&#x9D;
+
+EURO SIGN: &#x20AC; => 80
+&#x80; => &#x80;
+
+SINGLE LOW-9 QUOTATION MARK: &#x201A; => 82
+&#x82; => &#x82;
+
+LATIN SMALL LETTER F WITH HOOK: &#x192; => 83
+&#x83; => &#x83;
+
+DOUBLE LOW-9 QUOTATION MARK: &#x201E; => 84
+&#x84; => &#x84;
+
+HORIZONTAL ELLIPSIS: &#x2026; => 85
+&#x85; => &#x85;
+
+DAGGER: &#x2020; => 86
+&#x86; => &#x86;
+
+DOUBLE DAGGER: &#x2021; => 87
+&#x87; => &#x87;
+
+MODIFIER LETTER CIRCUMFLEX ACCENT: &#x2C6; => 88
+&#x88; => &#x88;
+
+PER MILLE SIGN: &#x2030; => 89
+&#x89; => &#x89;
+
+LATIN CAPITAL LETTER S WITH CARON: &#x160; => 8a
+&#x8A; => &#x8A;
+
+SINGLE LEFT-POINTING ANGLE QUOTATION MARK: &#x2039; => 8b
+&#x8B; => &#x8B;
+
+LATIN CAPITAL LIGATURE OE: &#x152; => 8c
+&#x8C; => &#x8C;
+
+LATIN CAPITAL LETTER Z WITH CARON: &#x17D; => 8e
+&#x8E; => &#x8E;
+
+LEFT SINGLE QUOTATION MARK: &#x2018; => 91
+&#x91; => &#x91;
+
+RIGHT SINGLE QUOTATION MARK: &#x2019; => 92
+&#x92; => &#x92;
+
+LEFT DOUBLE QUOTATION MARK: &#x201C; => 93
+&#x93; => &#x93;
+
+RIGHT DOUBLE QUOTATION MARK: &#x201D; => 94
+&#x94; => &#x94;
+
+BULLET: &#x2022; => 95
+&#x95; => &#x95;
+
+EN DASH: &#x2013; => 96
+&#x96; => &#x96;
+
+EM DASH: &#x2014; => 97
+&#x97; => &#x97;
+
+SMALL TILDE: &#x2DC; => 98
+&#x98; => &#x98;
+
+TRADE MARK SIGN: &#x2122; => 99
+&#x99; => &#x99;
+
+LATIN SMALL LETTER S WITH CARON: &#x161; => 9a
+&#x9A; => &#x9A;
+
+SINGLE RIGHT-POINTING ANGLE QUOTATION MARK: &#x203A; => 9b
+&#x9B; => &#x9B;
+
+LATIN SMALL LIGATURE OE: &#x153; => 9c
+&#x9C; => &#x9C;
+
+LATIN SMALL LETTER Z WITH CARON: &#x17E; => 9e
+&#x9E; => &#x9E;
+
+LATIN CAPITAL LETTER Y WITH DIAERESIS: &#x178; => 9f
+&#x9F; => &#x9F;
diff --git a/tests/std/strings/htmlentities-utf-2.phpt b/tests/std/strings/htmlentities-utf-2.phpt
new file mode 100644
index 00000000..1fdd05e2
--- /dev/null
+++ b/tests/std/strings/htmlentities-utf-2.phpt
@@ -0,0 +1,70 @@
+--TEST--
+HTML entities with invalid chars and ENT_IGNORE
+--INI--
+output_handler=
+--FILE--
+<?php
+@setlocale (LC_CTYPE, "C");
+$strings = array("<", "\xD0", "\xD0\x90", "\xD0\x90\xD0", "\xD0\x90\xD0\xB0", "\xE0", "A\xE0", "\xE0\x80", "\xE0\x79", "\xE0\x80\xBE",
+    "Voil\xE0", "Clich\xE9s",
+    "\xFE", "\xFE\x41", "\xC3\xA9", "\xC3\x79", "\xF7\xBF\xBF\xBF", "\xFB\xBF\xBF\xBF\xBF", "\xFD\xBF\xBF\xBF\xBF\xBF",
+    "\x41\xF7\xF7\x42", "\x42\xFB\xFB\x42", "\x43\xFD\xFD\x42", "\x44\xF7\xF7", "\x45\xFB\xFB", "\x46\xFD\xFD"
+    );
+foreach($strings as $string) {
+    $sc_encoded = htmlspecialchars ($string, ENT_QUOTES | ENT_IGNORE, "utf-8");
+    var_dump(bin2hex($sc_encoded));
+    $ent_encoded = htmlentities ($string, ENT_QUOTES | ENT_IGNORE, "utf-8");
+    var_dump(bin2hex($ent_encoded));
+}
+?>
+--EXPECT--
+string(8) "266c743b"
+string(8) "266c743b"
+string(0) ""
+string(0) ""
+string(4) "d090"
+string(4) "d090"
+string(4) "d090"
+string(4) "d090"
+string(8) "d090d0b0"
+string(8) "d090d0b0"
+string(0) ""
+string(0) ""
+string(2) "41"
+string(2) "41"
+string(0) ""
+string(0) ""
+string(2) "79"
+string(2) "79"
+string(0) ""
+string(0) ""
+string(8) "566f696c"
+string(8) "566f696c"
+string(12) "436c69636873"
+string(12) "436c69636873"
+string(0) ""
+string(0) ""
+string(2) "41"
+string(2) "41"
+string(4) "c3a9"
+string(16) "266561637574653b"
+string(2) "79"
+string(2) "79"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "4142"
+string(4) "4142"
+string(4) "4242"
+string(4) "4242"
+string(4) "4342"
+string(4) "4342"
+string(2) "44"
+string(2) "44"
+string(2) "45"
+string(2) "45"
+string(2) "46"
+string(2) "46"
diff --git a/tests/std/strings/htmlentities-utf-3.phpt b/tests/std/strings/htmlentities-utf-3.phpt
new file mode 100644
index 00000000..9a7a13e2
--- /dev/null
+++ b/tests/std/strings/htmlentities-utf-3.phpt
@@ -0,0 +1,88 @@
+--TEST--
+Test get_next_char(), used by htmlentities()/htmlspecialchars(): validity of UTF-8 sequences
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+
+/* conformance to Unicode 5.2, section 3.9, D92 */
+
+$val_ranges = array(
+    array(array(0x00, 0x7F)),
+    array(array(0xC2, 0xDF), array(0x80, 0xBF)),
+    array(array(0xE0, 0xE0), array(0xA0, 0xBF), array(0x80, 0xBF)),
+    array(array(0xE1, 0xEC), array(0x80, 0xBF), array(0x80, 0xBF)),
+    array(array(0xED, 0xED), array(0x80, 0x9F), array(0x80, 0xBF)),
+    array(array(0xEE, 0xEF), array(0x80, 0xBF), array(0x80, 0xBF)),
+    array(array(0xF0, 0xF0), array(0x90, 0xBF), array(0x80, 0xBF), array(0x80, 0xBF)),
+    array(array(0xF1, 0xF3), array(0x80, 0xBF), array(0x80, 0xBF), array(0x80, 0xBF)),
+    array(array(0xF4, 0xF4), array(0x80, 0x8F), array(0x80, 0xBF), array(0x80, 0xBF)),
+);
+
+function is_valid($seq) {
+    global $val_ranges;
+    $b = ord($seq[0]);
+    foreach ($val_ranges as $l) {
+        if ($b >= $l[0][0] && $b <= $l[0][1]) {
+            if (count($l) != strlen($seq)) {
+                return false;
+            }
+            for ($n = 1; $n < strlen($seq); $n++) {
+                if (ord($seq[$n]) < $l[$n][0] || ord($seq[$n]) > $l[$n][1]) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+    return false;
+}
+
+function concordance($s) {
+    $vhe = strlen(htmlspecialchars($s, ENT_QUOTES, "UTF-8")) > 0;
+    $v = is_valid($s);
+    return ($vhe === $v);
+}
+
+for ($b1 = 0xC0; $b1 < 0xE0; $b1++) {
+    for ($b2 = 0x80; $b2 < 0xBF; $b2++) {
+        $s = chr($b1).chr($b2);
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+    }
+}
+
+
+for ($b1 = 0xE0; $b1 < 0xEF; $b1++) {
+    for ($b2 = 0x80; $b2 < 0xBF; $b2++) {
+        $s = chr($b1).chr($b2)."\x80";
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+        $s = chr($b1).chr($b2)."\xBF";
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+    }
+}
+
+for ($b1 = 0xF0; $b1 < 0xFF; $b1++) {
+    for ($b2 = 0x80; $b2 < 0xBF; $b2++) {
+        $s = chr($b1).chr($b2)."\x80\x80";
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+        $s = chr($b1).chr($b2)."\xBF\x80";
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+        $s = chr($b1).chr($b2)."\x80\xBF";
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+        $s = chr($b1).chr($b2)."\xBF\xBF";
+        if (!concordance($s))
+            echo "Discordance for ".bin2hex($s),"\n";
+    }
+}
+echo "Done.\n";
+?>
+--EXPECT--
+Done.
diff --git a/tests/std/strings/htmlentities-utf.phpt b/tests/std/strings/htmlentities-utf.phpt
new file mode 100644
index 00000000..53253785
--- /dev/null
+++ b/tests/std/strings/htmlentities-utf.phpt
@@ -0,0 +1,70 @@
+--TEST--
+HTML entities with invalid chars
+--INI--
+output_handler=
+--FILE--
+<?php
+@setlocale (LC_CTYPE, "C");
+$strings = array("<", "\xD0", "\xD0\x90", "\xD0\x90\xD0", "\xD0\x90\xD0\xB0", "\xE0", "A\xE0", "\xE0\x80", "\xE0\x79", "\xE0\x80\xBE",
+    "Voil\xE0", "Clich\xE9s",
+    "\xFE", "\xFE\x41", "\xC3\xA9", "\xC3\x79", "\xF7\xBF\xBF\xBF", "\xFB\xBF\xBF\xBF\xBF", "\xFD\xBF\xBF\xBF\xBF\xBF",
+    "\x41\xF7\xF7\x42", "\x42\xFB\xFB\x42", "\x43\xFD\xFD\x42", "\x44\xF7\xF7", "\x45\xFB\xFB", "\x46\xFD\xFD"
+    );
+foreach($strings as $string) {
+    $sc_encoded = htmlspecialchars ($string, ENT_QUOTES, "utf-8");
+    var_dump(bin2hex($sc_encoded));
+    $ent_encoded = htmlentities ($string, ENT_QUOTES, "utf-8");
+    var_dump(bin2hex($ent_encoded));
+}
+?>
+--EXPECT--
+string(8) "266c743b"
+string(8) "266c743b"
+string(0) ""
+string(0) ""
+string(4) "d090"
+string(4) "d090"
+string(0) ""
+string(0) ""
+string(8) "d090d0b0"
+string(8) "d090d0b0"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(4) "c3a9"
+string(16) "266561637574653b"
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
diff --git a/tests/std/strings/htmlentities.phpt b/tests/std/strings/htmlentities.phpt
new file mode 100644
index 00000000..d9c67f33
--- /dev/null
+++ b/tests/std/strings/htmlentities.phpt
@@ -0,0 +1,23 @@
+--TEST--
+HTML entities of ISO-8859 chars
+--SKIPIF--
+<?php
+echo 'skip File encoding is ISO-8859-1, AOT requires UTF-8';
+?>
+--INI--
+output_handler=
+--FILE--
+<?php
+setlocale (LC_CTYPE, "C");
+$sc_encoded = htmlspecialchars ("<>\"&åÄ\n",ENT_COMPAT,"ISO-8859-1");
+echo $sc_encoded;
+$ent_encoded = htmlentities ("<>\"&åÄ\n",ENT_COMPAT,"ISO-8859-1");
+echo $ent_encoded;
+echo html_entity_decode($sc_encoded,ENT_COMPAT,"ISO-8859-1");
+echo html_entity_decode($ent_encoded,ENT_COMPAT,"ISO-8859-1");
+?>
+--EXPECT--
+&lt;&gt;&quot;&amp;åÄ
+&lt;&gt;&quot;&amp;&aring;&Auml;
+<>"&åÄ
+<>"&åÄ
diff --git a/tests/std/strings/htmlentities01.phpt b/tests/std/strings/htmlentities01.phpt
new file mode 100644
index 00000000..32f9e8ed
--- /dev/null
+++ b/tests/std/strings/htmlentities01.phpt
@@ -0,0 +1,12 @@
+--TEST--
+htmlentities() test 1 (cp1252)
+--INI--
+output_handler=
+--FILE--
+<?php
+var_dump(htmlentities("\x82\x86\x99\x9f", ENT_QUOTES, 'cp1252'));
+var_dump(htmlentities("\x80\xa2\xa3\xa4\xa5", ENT_QUOTES, 'cp1252'));
+?>
+--EXPECT--
+string(28) "&sbquo;&dagger;&trade;&Yuml;"
+string(32) "&euro;&cent;&pound;&curren;&yen;"
diff --git a/tests/std/strings/htmlentities02.phpt b/tests/std/strings/htmlentities02.phpt
new file mode 100644
index 00000000..e8d0b5b9
--- /dev/null
+++ b/tests/std/strings/htmlentities02.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() test 2 (setlocale / fr_FR.ISO-8859-15)
+--SKIPIF--
+<?php
+$result = (bool)setlocale(LC_CTYPE, "fr_FR.ISO-8859-15", "fr_FR.ISO8859-15", 'fr_FR@euro');
+if (!$result) {
+    die("skip setlocale() failed\n");
+}
+?>
+--INI--
+output_handler=
+default_charset=
+internal_encoding=
+--FILE--
+<?php
+// Locale-based encoding guessing no longer works.
+setlocale(LC_CTYPE, "fr_FR.ISO-8859-15", "fr_FR.ISO8859-15", 'fr_FR@euro');
+var_dump(htmlentities("\xbc\xbd\xbe", ENT_QUOTES, ''));
+?>
+--EXPECT--
+string(0) ""
diff --git a/tests/std/strings/htmlentities03.phpt b/tests/std/strings/htmlentities03.phpt
new file mode 100644
index 00000000..973bafed
--- /dev/null
+++ b/tests/std/strings/htmlentities03.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() test 3 (setlocale / de_DE.ISO-8859-1)
+--SKIPIF--
+<?php
+$result = (bool)setlocale(LC_CTYPE, "de_DE.ISO-8859-1", "de_DE.ISO8859-1");
+if (!$result || preg_match('/ISO/i', setlocale(LC_CTYPE, 0)) == 0) {
+    die("skip setlocale() failed\n");
+}
+?>
+--INI--
+output_handler=
+default_charset=
+internal_encoding=
+--FILE--
+<?php
+// Locale-based encoding guessing no longer works.
+setlocale( LC_CTYPE, "de_DE.ISO-8859-1", "de_DE.ISO8859-1");
+var_dump(htmlentities("\xe4\xf6\xfc", ENT_QUOTES));
+?>
+--EXPECT--
+string(0) ""
diff --git a/tests/std/strings/htmlentities05.phpt b/tests/std/strings/htmlentities05.phpt
new file mode 100644
index 00000000..b4827b31
--- /dev/null
+++ b/tests/std/strings/htmlentities05.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() test 5 (mbstring / cp1252)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+internal_encoding=cp1252
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+    print mb_internal_encoding()."\n";
+    var_dump(htmlentities("\x82\x86\x99\x9f", ENT_QUOTES, ''));
+    var_dump(htmlentities("\x80\xa2\xa3\xa4\xa5", ENT_QUOTES, ''));
+?>
+--EXPECT--
+Windows-1252
+string(28) "&sbquo;&dagger;&trade;&Yuml;"
+string(32) "&euro;&cent;&pound;&curren;&yen;"
diff --git a/tests/std/strings/htmlentities06.phpt b/tests/std/strings/htmlentities06.phpt
new file mode 100644
index 00000000..a8355ccb
--- /dev/null
+++ b/tests/std/strings/htmlentities06.phpt
@@ -0,0 +1,19 @@
+--TEST--
+htmlentities() test 6 (mbstring / ISO-8859-15)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+internal_encoding=ISO-8859-15
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+    print mb_internal_encoding()."\n";
+    var_dump(htmlentities("\xbc\xbd\xbe", ENT_QUOTES, ''));
+?>
+--EXPECT--
+ISO-8859-15
+string(20) "&OElig;&oelig;&Yuml;"
diff --git a/tests/std/strings/htmlentities07.phpt b/tests/std/strings/htmlentities07.phpt
new file mode 100644
index 00000000..720c4ea6
--- /dev/null
+++ b/tests/std/strings/htmlentities07.phpt
@@ -0,0 +1,19 @@
+--TEST--
+htmlentities() test 7 (mbstring / ISO-8859-1)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+internal_encoding=ISO-8859-1
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+    print mb_internal_encoding()."\n";
+    var_dump(htmlentities("\xe4\xf6\xfc", ENT_QUOTES, ''));
+?>
+--EXPECT--
+ISO-8859-1
+string(18) "&auml;&ouml;&uuml;"
diff --git a/tests/std/strings/htmlentities08.phpt b/tests/std/strings/htmlentities08.phpt
new file mode 100644
index 00000000..be5ee37e
--- /dev/null
+++ b/tests/std/strings/htmlentities08.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() test 8 (mbstring / EUC-JP)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+internal_encoding=EUC-JP
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+    print mb_internal_encoding()."\n";
+    var_dump(htmlentities("\xa1\xa2\xa1\xa3\xa1\xa4", ENT_QUOTES, ''));
+?>
+--EXPECTF--
+EUC-JP
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(6) "¡¢¡£¡¤"
diff --git a/tests/std/strings/htmlentities09.phpt b/tests/std/strings/htmlentities09.phpt
new file mode 100644
index 00000000..02eb0585
--- /dev/null
+++ b/tests/std/strings/htmlentities09.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() test 9 (mbstring / Shift_JIS)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+internal_encoding=Shift_JIS
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+    print mb_internal_encoding()."\n";
+    var_dump(bin2hex(htmlentities("\x81\x41\x81\x42\x81\x43", ENT_QUOTES, '')));
+?>
+--EXPECTF--
+SJIS
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(12) "814181428143"
diff --git a/tests/std/strings/htmlentities10.phpt b/tests/std/strings/htmlentities10.phpt
new file mode 100644
index 00000000..4859162c
--- /dev/null
+++ b/tests/std/strings/htmlentities10.phpt
@@ -0,0 +1,19 @@
+--TEST--
+htmlentities() test 10 (default_charset / cp1252)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+default_charset=cp1252
+--FILE--
+<?php
+print ini_get('default_charset')."\n";
+var_dump(htmlentities("\x82\x86\x99\x9f", ENT_QUOTES, ''));
+var_dump(htmlentities("\x80\xa2\xa3\xa4\xa5", ENT_QUOTES, ''));
+?>
+--EXPECT--
+cp1252
+string(28) "&sbquo;&dagger;&trade;&Yuml;"
+string(32) "&euro;&cent;&pound;&curren;&yen;"
diff --git a/tests/std/strings/htmlentities11.phpt b/tests/std/strings/htmlentities11.phpt
new file mode 100644
index 00000000..86a9629b
--- /dev/null
+++ b/tests/std/strings/htmlentities11.phpt
@@ -0,0 +1,17 @@
+--TEST--
+htmlentities() test 11 (default_charset / ISO-8859-15)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+default_charset=ISO-8859-15
+--FILE--
+<?php
+print ini_get('default_charset')."\n";
+var_dump(htmlentities("\xbc\xbd\xbe", ENT_QUOTES, ''));
+?>
+--EXPECT--
+ISO-8859-15
+string(20) "&OElig;&oelig;&Yuml;"
diff --git a/tests/std/strings/htmlentities12.phpt b/tests/std/strings/htmlentities12.phpt
new file mode 100644
index 00000000..bf93cba9
--- /dev/null
+++ b/tests/std/strings/htmlentities12.phpt
@@ -0,0 +1,17 @@
+--TEST--
+htmlentities() test 12 (default_charset / ISO-8859-1)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+default_charset=ISO-8859-1
+--FILE--
+<?php
+print ini_get('default_charset')."\n";
+var_dump(htmlentities("\xe4\xf6\xfc", ENT_QUOTES, ''));
+?>
+--EXPECT--
+ISO-8859-1
+string(18) "&auml;&ouml;&uuml;"
diff --git a/tests/std/strings/htmlentities13.phpt b/tests/std/strings/htmlentities13.phpt
new file mode 100644
index 00000000..89d732ea
--- /dev/null
+++ b/tests/std/strings/htmlentities13.phpt
@@ -0,0 +1,20 @@
+--TEST--
+htmlentities() test 13 (default_charset / EUC-JP)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+default_charset=EUC-JP
+filter.default=unsafe_raw
+--FILE--
+<?php
+print ini_get('default_charset')."\n";
+var_dump(htmlentities("\xa1\xa2\xa1\xa3\xa1\xa4", ENT_QUOTES, ''));
+?>
+--EXPECTF--
+EUC-JP
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s on line %d
+string(6) "¡¢¡£¡¤"
diff --git a/tests/std/strings/htmlentities14.phpt b/tests/std/strings/htmlentities14.phpt
new file mode 100644
index 00000000..1704c0f0
--- /dev/null
+++ b/tests/std/strings/htmlentities14.phpt
@@ -0,0 +1,20 @@
+--TEST--
+htmlentities() test 14 (default_charset / Shift_JIS)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+default_charset=Shift_JIS
+filter.default=unsafe_raw
+--FILE--
+<?php
+print ini_get('default_charset')."\n";
+var_dump(htmlentities("\x81\x41\x81\x42\x81\x43", ENT_QUOTES, ''));
+?>
+--EXPECTF--
+Shift_JIS
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s on line %d
+string(6) "�A�B�C"
diff --git a/tests/std/strings/htmlentities16.phpt b/tests/std/strings/htmlentities16.phpt
new file mode 100644
index 00000000..30365b24
--- /dev/null
+++ b/tests/std/strings/htmlentities16.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() test 16 (mbstring / cp1251)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+output_handler=
+internal_encoding=cp1251
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+$str = "\x88\xa9\xf0\xee\xf1\xea\xee\xf8\xed\xfb\xe9";
+var_dump(bin2hex($str), bin2hex(htmlentities($str, ENT_QUOTES, '')));
+var_dump(htmlentities($str, ENT_QUOTES | ENT_HTML5, ''));
+?>
+--EXPECT--
+string(22) "88a9f0eef1eaeef8edfbe9"
+string(42) "266575726f3b26636f70793bf0eef1eaeef8edfbe9"
+string(58) "&euro;&copy;&rcy;&ocy;&scy;&kcy;&ocy;&shcy;&ncy;&ycy;&jcy;"
diff --git a/tests/std/strings/htmlentities17.phpt b/tests/std/strings/htmlentities17.phpt
new file mode 100644
index 00000000..5e29de5d
--- /dev/null
+++ b/tests/std/strings/htmlentities17.phpt
@@ -0,0 +1,47 @@
+--TEST--
+htmlentities() / html_entity_decode() #8592 - #9002 table test
+--FILE--
+<?php
+$tests = array(
+    array(8853, '&oplus;',  "e28a95"),
+    array(8855, '&otimes;', "e28a97"),
+    array(8869, '&perp;',   "e28aa5"),
+    array(8901, '&sdot;',   "e28b85"),
+    array(8968, '&lceil;',  "e28c88"),
+    array(8969, '&rceil;',  "e28c89"),
+    array(8970, '&lfloor;', "e28c8a"),
+    array(8971, '&rfloor;', "e28c8b"),
+    array(9001, '&lang;',   "e28ca9"),
+    array(9002, '&rang;',   "e28caa")
+);
+
+foreach ($tests as $test) {
+    var_dump(htmlentities(pack('H*', $test[2]), ENT_QUOTES, 'UTF-8'));
+}
+
+foreach ($tests as $test) {
+    list(,$result) = unpack('H6', html_entity_decode($test[1], ENT_QUOTES, 'UTF-8'));
+    var_dump($result);
+}
+?>
+--EXPECT--
+string(7) "&oplus;"
+string(8) "&otimes;"
+string(6) "&perp;"
+string(6) "&sdot;"
+string(7) "&lceil;"
+string(7) "&rceil;"
+string(8) "&lfloor;"
+string(8) "&rfloor;"
+string(6) "&lang;"
+string(6) "&rang;"
+string(6) "e28a95"
+string(6) "e28a97"
+string(6) "e28aa5"
+string(6) "e28b85"
+string(6) "e28c88"
+string(6) "e28c89"
+string(6) "e28c8a"
+string(6) "e28c8b"
+string(6) "e28ca9"
+string(6) "e28caa"
diff --git a/tests/std/strings/htmlentities18.phpt b/tests/std/strings/htmlentities18.phpt
new file mode 100644
index 00000000..d9582e7d
--- /dev/null
+++ b/tests/std/strings/htmlentities18.phpt
@@ -0,0 +1,43 @@
+--TEST--
+htmlentities() / htmlspecialchars() "don't double encode" flag support
+--FILE--
+<?php
+$tests = array(
+    "abc",
+    "abc&amp;sfdsa",
+    "test&#043;s &amp; some more &#68;",
+    "test&#x2b;s &amp; some more &#X44;",
+    "&; &amp &#a; &9; &#xyz;",
+    "&kffjadfdhsjfhjasdhffasdfas;",
+    "&#8787978789",
+    "&",
+    "&&amp;&",
+    "&ab&amp;&",
+);
+
+foreach ($tests as $test) {
+    var_dump(htmlentities($test, ENT_QUOTES, NULL, FALSE));
+    var_dump(htmlspecialchars($test, ENT_QUOTES, NULL, FALSE));
+}
+?>
+--EXPECT--
+string(3) "abc"
+string(3) "abc"
+string(13) "abc&amp;sfdsa"
+string(13) "abc&amp;sfdsa"
+string(33) "test&#043;s &amp; some more &#68;"
+string(33) "test&#043;s &amp; some more &#68;"
+string(34) "test&#x2b;s &amp; some more &#X44;"
+string(34) "test&#x2b;s &amp; some more &#X44;"
+string(43) "&amp;; &amp;amp &amp;#a; &amp;9; &amp;#xyz;"
+string(43) "&amp;; &amp;amp &amp;#a; &amp;9; &amp;#xyz;"
+string(32) "&amp;kffjadfdhsjfhjasdhffasdfas;"
+string(32) "&amp;kffjadfdhsjfhjasdhffasdfas;"
+string(16) "&amp;#8787978789"
+string(16) "&amp;#8787978789"
+string(5) "&amp;"
+string(5) "&amp;"
+string(15) "&amp;&amp;&amp;"
+string(15) "&amp;&amp;&amp;"
+string(17) "&amp;ab&amp;&amp;"
+string(17) "&amp;ab&amp;&amp;"
diff --git a/tests/std/strings/htmlentities19.phpt b/tests/std/strings/htmlentities19.phpt
new file mode 100644
index 00000000..bc607ad2
--- /dev/null
+++ b/tests/std/strings/htmlentities19.phpt
@@ -0,0 +1,30 @@
+--TEST--
+htmlentities() / htmlspecialchars() ENT_SUBSTITUTE
+--FILE--
+<?php
+$tests = array(
+    "\x41\xC2\x3E\x42", // Unicode TR #36, 3.1.1; do not consume valid successor bytes
+    "\xE3\x80\x22",    // Unicode TR #36, 3.6.1; use strategy #2
+    "\x41\x98\xBA\x42\xE2\x98\x43\xE2\x98\xBA\xE2\x98", // example from HTML5, section 2.4
+);
+
+foreach ($tests as $test) {
+    $a = htmlentities($test, ENT_QUOTES | ENT_SUBSTITUTE, "UTF-8");
+    var_dump($a, bin2hex($a));
+    $a = htmlspecialchars($test, ENT_QUOTES | ENT_SUBSTITUTE, "UTF-8");
+    var_dump($a, bin2hex($a));
+}
+?>
+--EXPECT--
+string(9) "A�&gt;B"
+string(18) "41efbfbd2667743b42"
+string(9) "A�&gt;B"
+string(18) "41efbfbd2667743b42"
+string(9) "�&quot;"
+string(18) "efbfbd2671756f743b"
+string(9) "�&quot;"
+string(18) "efbfbd2671756f743b"
+string(18) "A��B�C☺�"
+string(36) "41efbfbdefbfbd42efbfbd43e298baefbfbd"
+string(18) "A��B�C☺�"
+string(36) "41efbfbdefbfbd42efbfbd43e298baefbfbd"
diff --git a/tests/std/strings/htmlentities20.phpt b/tests/std/strings/htmlentities20.phpt
new file mode 100644
index 00000000..d14a4de9
--- /dev/null
+++ b/tests/std/strings/htmlentities20.phpt
@@ -0,0 +1,203 @@
+--TEST--
+htmlentities() / htmlspecialchars() ENT_DISALLOWED
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+function codepoint_to_utf8($k) {
+    if ($k < 0x80) {
+        $retval = pack('C', $k);
+    } else if ($k < 0x800) {
+        $retval = pack('C2',
+            0xc0 | ($k >> 6),
+            0x80 | ($k & 0x3f));
+    } else if ($k < 0x10000) {
+        $retval = pack('C3',
+            0xe0 | ($k >> 12),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    } else {
+        $retval = pack('C4',
+            0xf0 | ($k >> 18),
+            0x80 | (($k >> 12) & 0x3f),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    }
+    return $retval;
+}
+
+$tests = array(
+    0x00, //C0
+    0x01,
+    0x09,
+    0x0A,
+    0x0B,
+    0x0C,
+    0x0D,
+    0x0E,
+    0x1F,
+    0x20, //allowed always
+    0x7F, //DEL
+    0x80, //C1
+    0x9F,
+    0xA0, //allowed always
+    0xD7FF, //surrogates
+    0xD800,
+    0xDFFF,
+    0xE000, //allowed always
+    0xFFFE, //nonchar
+    0xFFFF,
+    0xFDCF, //allowed always
+    0xFDD0, //nonchar
+    0xFDEF,
+    0xFDF0, //allowed always
+    0x2FFFE, //nonchar
+    0x2FFFF,
+);
+$tests2 = array_map('codepoint_to_utf8', $tests);
+
+$subchr = codepoint_to_utf8(0xFFFD);
+
+function test($flag) {
+    global $tests, $tests2;
+    $i = -1;
+    foreach ($tests2 as $test) {
+        $i++;
+        $a = htmlentities($test, $flag | ENT_DISALLOWED, "UTF-8");
+        $b = htmlspecialchars($test, $flag | ENT_DISALLOWED, "UTF-8");
+        if ($a == "" && $b == "") { echo sprintf("%05X", $tests[$i]), ": INVALID SEQUENCE\n"; continue; }
+        echo sprintf("%05X", $tests[$i]), ": ", bin2hex($a), " ", bin2hex($b), "\n";
+    }
+}
+
+echo "*** Testing HTML 4.01 ***\n";
+
+test(ENT_HTML401);
+
+echo "\n*** Testing XHTML 1.0 ***\n";
+
+test(ENT_XHTML);
+
+echo "\n*** Testing HTML 5 ***\n";
+
+test(ENT_HTML5);
+
+echo "\n*** Testing XML 1.0 ***\n";
+
+test(ENT_XML1);
+
+?>
+--EXPECT--
+*** Testing HTML 4.01 ***
+00000: efbfbd efbfbd
+00001: efbfbd efbfbd
+00009: 09 09
+0000A: 0a 0a
+0000B: efbfbd efbfbd
+0000C: efbfbd efbfbd
+0000D: 0d 0d
+0000E: efbfbd efbfbd
+0001F: efbfbd efbfbd
+00020: 20 20
+0007F: efbfbd efbfbd
+00080: efbfbd efbfbd
+0009F: efbfbd efbfbd
+000A0: 266e6273703b c2a0
+0D7FF: ed9fbf ed9fbf
+0D800: INVALID SEQUENCE
+0DFFF: INVALID SEQUENCE
+0E000: ee8080 ee8080
+0FFFE: efbfbe efbfbe
+0FFFF: efbfbf efbfbf
+0FDCF: efb78f efb78f
+0FDD0: efb790 efb790
+0FDEF: efb7af efb7af
+0FDF0: efb7b0 efb7b0
+2FFFE: f0afbfbe f0afbfbe
+2FFFF: f0afbfbf f0afbfbf
+
+*** Testing XHTML 1.0 ***
+00000: efbfbd efbfbd
+00001: efbfbd efbfbd
+00009: 09 09
+0000A: 0a 0a
+0000B: efbfbd efbfbd
+0000C: efbfbd efbfbd
+0000D: 0d 0d
+0000E: efbfbd efbfbd
+0001F: efbfbd efbfbd
+00020: 20 20
+0007F: 7f 7f
+00080: c280 c280
+0009F: c29f c29f
+000A0: 266e6273703b c2a0
+0D7FF: ed9fbf ed9fbf
+0D800: INVALID SEQUENCE
+0DFFF: INVALID SEQUENCE
+0E000: ee8080 ee8080
+0FFFE: efbfbd efbfbd
+0FFFF: efbfbd efbfbd
+0FDCF: efb78f efb78f
+0FDD0: efb790 efb790
+0FDEF: efb7af efb7af
+0FDF0: efb7b0 efb7b0
+2FFFE: f0afbfbe f0afbfbe
+2FFFF: f0afbfbf f0afbfbf
+
+*** Testing HTML 5 ***
+00000: efbfbd efbfbd
+00001: efbfbd efbfbd
+00009: 265461623b 09
+0000A: 264e65774c696e653b 0a
+0000B: efbfbd efbfbd
+0000C: 0c 0c
+0000D: 0d 0d
+0000E: efbfbd efbfbd
+0001F: efbfbd efbfbd
+00020: 20 20
+0007F: efbfbd efbfbd
+00080: efbfbd efbfbd
+0009F: efbfbd efbfbd
+000A0: 266e6273703b c2a0
+0D7FF: ed9fbf ed9fbf
+0D800: INVALID SEQUENCE
+0DFFF: INVALID SEQUENCE
+0E000: ee8080 ee8080
+0FFFE: efbfbd efbfbd
+0FFFF: efbfbd efbfbd
+0FDCF: efb78f efb78f
+0FDD0: efbfbd efbfbd
+0FDEF: efbfbd efbfbd
+0FDF0: efb7b0 efb7b0
+2FFFE: efbfbd efbfbd
+2FFFF: efbfbd efbfbd
+
+*** Testing XML 1.0 ***
+00000: efbfbd efbfbd
+00001: efbfbd efbfbd
+00009: 09 09
+0000A: 0a 0a
+0000B: efbfbd efbfbd
+0000C: efbfbd efbfbd
+0000D: 0d 0d
+0000E: efbfbd efbfbd
+0001F: efbfbd efbfbd
+00020: 20 20
+0007F: 7f 7f
+00080: c280 c280
+0009F: c29f c29f
+000A0: c2a0 c2a0
+0D7FF: ed9fbf ed9fbf
+0D800: INVALID SEQUENCE
+0DFFF: INVALID SEQUENCE
+0E000: ee8080 ee8080
+0FFFE: efbfbd efbfbd
+0FFFF: efbfbd efbfbd
+0FDCF: efb78f efb78f
+0FDD0: efb790 efb790
+0FDEF: efb7af efb7af
+0FDF0: efb7b0 efb7b0
+2FFFE: f0afbfbe f0afbfbe
+2FFFF: f0afbfbf f0afbfbf
diff --git a/tests/std/strings/htmlentities21.phpt b/tests/std/strings/htmlentities21.phpt
new file mode 100644
index 00000000..ded2fab4
--- /dev/null
+++ b/tests/std/strings/htmlentities21.phpt
@@ -0,0 +1,312 @@
+--TEST--
+htmlentities() / htmlspecialchars() ENT_DISALLOWED charset variation
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$tests = array(
+    0x00, //C0
+    0x01,
+    0x09,
+    0x0A,
+    0x0B,
+    0x0C,
+    0x0D,
+    0x0E,
+    0x1F,
+    0x20, //allowed always
+    0x7F, //DEL
+    0x80, //C1
+    0x9F,
+    0xA0, //allowed always
+);
+
+function test($flag, $charset) {
+    global $tests;
+    $i = -1;
+    foreach ($tests as $test) {
+        $test = chr($test);
+        $i++;
+        $a = htmlentities($test, $flag | ENT_DISALLOWED, $charset);
+        $b = htmlspecialchars($test, $flag | ENT_DISALLOWED, $charset);
+        if ($a == "" && $b == "") { echo sprintf("%05X", $tests[$i]), ": INVALID SEQUENCE\n"; continue; }
+        echo sprintf("%05X", $tests[$i]), ": ", bin2hex($a), " ", bin2hex($b), "\n";
+    }
+}
+
+echo "*** Testing HTML 4.01/Windows-1251 ***\n";
+
+test(ENT_HTML401, "Windows-1251");
+
+echo "\n*** Testing XHTML 1.0/Windows-1251 ***\n";
+
+test(ENT_XHTML, "Windows-1251");
+
+echo "\n*** Testing HTML 5/Windows-1251 ***\n";
+
+test(ENT_HTML5, "Windows-1251");
+
+echo "\n*** Testing XML 1.0/Windows-1251 ***\n";
+
+test(ENT_XML1, "Windows-1251");
+
+echo "\n*** Testing HTML 4.01/SJIS ***\n";
+
+test(ENT_HTML401, "SJIS");
+
+echo "\n*** Testing XHTML 1.0/SJIS ***\n";
+
+test(ENT_XHTML, "SJIS");
+
+echo "\n*** Testing HTML 5/SJIS ***\n";
+
+test(ENT_HTML5, "SJIS");
+
+echo "\n*** Testing XML 1.0/SJIS ***\n";
+
+test(ENT_XML1, "SJIS");
+
+
+?>
+--EXPECTF--
+*** Testing HTML 4.01/Windows-1251 ***
+00000: 262378464646443b 262378464646443b
+00001: 262378464646443b 262378464646443b
+00009: 09 09
+0000A: 0a 0a
+0000B: 262378464646443b 262378464646443b
+0000C: 262378464646443b 262378464646443b
+0000D: 0d 0d
+0000E: 262378464646443b 262378464646443b
+0001F: 262378464646443b 262378464646443b
+00020: 20 20
+0007F: 262378464646443b 7f
+00080: 80 80
+0009F: 9f 9f
+000A0: 266e6273703b a0
+
+*** Testing XHTML 1.0/Windows-1251 ***
+00000: 262378464646443b 262378464646443b
+00001: 262378464646443b 262378464646443b
+00009: 09 09
+0000A: 0a 0a
+0000B: 262378464646443b 262378464646443b
+0000C: 262378464646443b 262378464646443b
+0000D: 0d 0d
+0000E: 262378464646443b 262378464646443b
+0001F: 262378464646443b 262378464646443b
+00020: 20 20
+0007F: 7f 7f
+00080: 80 80
+0009F: 9f 9f
+000A0: 266e6273703b a0
+
+*** Testing HTML 5/Windows-1251 ***
+00000: 262378464646443b 262378464646443b
+00001: 262378464646443b 262378464646443b
+00009: 265461623b 09
+0000A: 264e65774c696e653b 0a
+0000B: 262378464646443b 262378464646443b
+0000C: 0c 0c
+0000D: 0d 0d
+0000E: 262378464646443b 262378464646443b
+0001F: 262378464646443b 262378464646443b
+00020: 20 20
+0007F: 262378464646443b 7f
+00080: 26444a63793b 80
+0009F: 26647a63793b 9f
+000A0: 266e6273703b a0
+
+*** Testing XML 1.0/Windows-1251 ***
+00000: 262378464646443b 262378464646443b
+00001: 262378464646443b 262378464646443b
+00009: 09 09
+0000A: 0a 0a
+0000B: 262378464646443b 262378464646443b
+0000C: 262378464646443b 262378464646443b
+0000D: 0d 0d
+0000E: 262378464646443b 262378464646443b
+0001F: 262378464646443b 262378464646443b
+00020: 20 20
+0007F: 7f 7f
+00080: 80 80
+0009F: 9f 9f
+000A0: a0 a0
+
+*** Testing HTML 4.01/SJIS ***
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00000: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00001: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00009: 09 09
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000A: 0a 0a
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000B: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000C: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000D: 0d 0d
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000E: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0001F: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00020: 20 20
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0007F: 7f 7f
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00080: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0009F: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+000A0: INVALID SEQUENCE
+
+*** Testing XHTML 1.0/SJIS ***
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00000: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00001: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00009: 09 09
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000A: 0a 0a
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000B: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000C: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000D: 0d 0d
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000E: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0001F: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00020: 20 20
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0007F: 7f 7f
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00080: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0009F: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+000A0: INVALID SEQUENCE
+
+*** Testing HTML 5/SJIS ***
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00000: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00001: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00009: 09 09
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000A: 0a 0a
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000B: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000C: 0c 0c
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000D: 0d 0d
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000E: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0001F: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00020: 20 20
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0007F: 7f 7f
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00080: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0009F: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+000A0: INVALID SEQUENCE
+
+*** Testing XML 1.0/SJIS ***
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00000: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00001: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00009: 09 09
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000A: 0a 0a
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000B: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000C: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000D: 0d 0d
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0000E: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0001F: 262378464646443b 262378464646443b
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00020: 20 20
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0007F: 7f 7f
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+00080: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+0009F: INVALID SEQUENCE
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+000A0: INVALID SEQUENCE
diff --git a/tests/std/strings/htmlentities22.phpt b/tests/std/strings/htmlentities22.phpt
new file mode 100644
index 00000000..945ace5b
--- /dev/null
+++ b/tests/std/strings/htmlentities22.phpt
@@ -0,0 +1,339 @@
+--TEST--
+htmlentities() / htmlspecialchars() ENT_DISALLOWED with entities and no double encode
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+$tests = array(
+    "&#0;", //C0
+    "&#1;",
+    "&#x09;",
+    "&#x0A;",
+    "&#x0B;",
+    "&#x0C;",
+    "&#x0D;", //note that HTML5 is unique in that it forbids this entity, but allows a literal U+0D
+    "&#x0E;",
+    "&#x1F;",
+    "&#x20;", //allowed always
+    "&#x7F;", //DEL
+    "&#x80;", //C1
+    "&#x9F;",
+    "&#xA0;", //allowed always
+    "&#xD7FF;", //surrogates
+    "&#xD800;",
+    "&#xDFFF;",
+    "&#xE000;", //allowed always
+    "&#xFFFE;", //nonchar
+    "&#xFFFF;",
+    "&#xFDCF;", //allowed always
+    "&#xFDD0;", //nonchar
+    "&#xFDEF;",
+    "&#xFDF0;", //allowed always
+    "&#x2FFFE;", //nonchar
+    "&#x2FFFF;",
+    "&#x110000;", //bad reference
+);
+
+function test($flag, $flag2=ENT_DISALLOWED, $charset="UTF-8") {
+    global $tests;
+    $i = -1;
+    foreach ($tests as $test) {
+        $i++;
+        $a = htmlentities($test, $flag | $flag2, $charset, FALSE);
+        $b = htmlspecialchars($test, $flag | $flag2, $charset, FALSE);
+
+        if ($a == $b)
+            echo sprintf("%s\t%s", $test, $a==$test?"NOT CHANGED":"CHANGED"), "\n";
+        else
+            echo sprintf("%s\tCHANGED (%s, %s)", $test, $a, $b), "\n";
+    }
+}
+
+echo "*** Testing HTML 4.01 ***\n";
+
+test(ENT_HTML401);
+
+echo "\n*** Testing XHTML 1.0 ***\n";
+
+test(ENT_XHTML);
+
+echo "\n*** Testing HTML 5 ***\n";
+
+test(ENT_HTML5);
+
+echo "\n*** Testing XML 1.0 ***\n";
+
+test(ENT_XML1);
+
+echo "\n*** Testing 5 without the flag ***\n";
+
+test(ENT_HTML5, 0);
+
+echo "\n*** Testing HTML 5 with another single-byte encoding ***\n";
+
+test(ENT_HTML5, ENT_DISALLOWED, "Windows-1251");
+
+echo "\n*** Testing HTML 5 with another multibyte-byte encoding ***\n";
+
+test(ENT_HTML5, ENT_DISALLOWED, "SJIS");
+
+?>
+--EXPECTF--
+*** Testing HTML 4.01 ***
+&#0;	NOT CHANGED
+&#1;	NOT CHANGED
+&#x09;	NOT CHANGED
+&#x0A;	NOT CHANGED
+&#x0B;	NOT CHANGED
+&#x0C;	NOT CHANGED
+&#x0D;	NOT CHANGED
+&#x0E;	NOT CHANGED
+&#x1F;	NOT CHANGED
+&#x20;	NOT CHANGED
+&#x7F;	NOT CHANGED
+&#x80;	NOT CHANGED
+&#x9F;	NOT CHANGED
+&#xA0;	NOT CHANGED
+&#xD7FF;	NOT CHANGED
+&#xD800;	NOT CHANGED
+&#xDFFF;	NOT CHANGED
+&#xE000;	NOT CHANGED
+&#xFFFE;	NOT CHANGED
+&#xFFFF;	NOT CHANGED
+&#xFDCF;	NOT CHANGED
+&#xFDD0;	NOT CHANGED
+&#xFDEF;	NOT CHANGED
+&#xFDF0;	NOT CHANGED
+&#x2FFFE;	NOT CHANGED
+&#x2FFFF;	NOT CHANGED
+&#x110000;	CHANGED
+
+*** Testing XHTML 1.0 ***
+&#0;	CHANGED
+&#1;	CHANGED
+&#x09;	NOT CHANGED
+&#x0A;	NOT CHANGED
+&#x0B;	CHANGED
+&#x0C;	CHANGED
+&#x0D;	NOT CHANGED
+&#x0E;	CHANGED
+&#x1F;	CHANGED
+&#x20;	NOT CHANGED
+&#x7F;	NOT CHANGED
+&#x80;	NOT CHANGED
+&#x9F;	NOT CHANGED
+&#xA0;	NOT CHANGED
+&#xD7FF;	NOT CHANGED
+&#xD800;	CHANGED
+&#xDFFF;	CHANGED
+&#xE000;	NOT CHANGED
+&#xFFFE;	CHANGED
+&#xFFFF;	CHANGED
+&#xFDCF;	NOT CHANGED
+&#xFDD0;	NOT CHANGED
+&#xFDEF;	NOT CHANGED
+&#xFDF0;	NOT CHANGED
+&#x2FFFE;	NOT CHANGED
+&#x2FFFF;	NOT CHANGED
+&#x110000;	CHANGED
+
+*** Testing HTML 5 ***
+&#0;	CHANGED (&amp;&num;0&semi;, &amp;#0;)
+&#1;	CHANGED (&amp;&num;1&semi;, &amp;#1;)
+&#x09;	NOT CHANGED
+&#x0A;	NOT CHANGED
+&#x0B;	CHANGED (&amp;&num;x0B&semi;, &amp;#x0B;)
+&#x0C;	NOT CHANGED
+&#x0D;	CHANGED (&amp;&num;x0D&semi;, &amp;#x0D;)
+&#x0E;	CHANGED (&amp;&num;x0E&semi;, &amp;#x0E;)
+&#x1F;	CHANGED (&amp;&num;x1F&semi;, &amp;#x1F;)
+&#x20;	NOT CHANGED
+&#x7F;	CHANGED (&amp;&num;x7F&semi;, &amp;#x7F;)
+&#x80;	CHANGED (&amp;&num;x80&semi;, &amp;#x80;)
+&#x9F;	CHANGED (&amp;&num;x9F&semi;, &amp;#x9F;)
+&#xA0;	NOT CHANGED
+&#xD7FF;	NOT CHANGED
+&#xD800;	NOT CHANGED
+&#xDFFF;	NOT CHANGED
+&#xE000;	NOT CHANGED
+&#xFFFE;	CHANGED (&amp;&num;xFFFE&semi;, &amp;#xFFFE;)
+&#xFFFF;	CHANGED (&amp;&num;xFFFF&semi;, &amp;#xFFFF;)
+&#xFDCF;	NOT CHANGED
+&#xFDD0;	CHANGED (&amp;&num;xFDD0&semi;, &amp;#xFDD0;)
+&#xFDEF;	CHANGED (&amp;&num;xFDEF&semi;, &amp;#xFDEF;)
+&#xFDF0;	NOT CHANGED
+&#x2FFFE;	CHANGED (&amp;&num;x2FFFE&semi;, &amp;#x2FFFE;)
+&#x2FFFF;	CHANGED (&amp;&num;x2FFFF&semi;, &amp;#x2FFFF;)
+&#x110000;	CHANGED (&amp;&num;x110000&semi;, &amp;#x110000;)
+
+*** Testing XML 1.0 ***
+&#0;	CHANGED
+&#1;	CHANGED
+&#x09;	NOT CHANGED
+&#x0A;	NOT CHANGED
+&#x0B;	CHANGED
+&#x0C;	CHANGED
+&#x0D;	NOT CHANGED
+&#x0E;	CHANGED
+&#x1F;	CHANGED
+&#x20;	NOT CHANGED
+&#x7F;	NOT CHANGED
+&#x80;	NOT CHANGED
+&#x9F;	NOT CHANGED
+&#xA0;	NOT CHANGED
+&#xD7FF;	NOT CHANGED
+&#xD800;	CHANGED
+&#xDFFF;	CHANGED
+&#xE000;	NOT CHANGED
+&#xFFFE;	CHANGED
+&#xFFFF;	CHANGED
+&#xFDCF;	NOT CHANGED
+&#xFDD0;	NOT CHANGED
+&#xFDEF;	NOT CHANGED
+&#xFDF0;	NOT CHANGED
+&#x2FFFE;	NOT CHANGED
+&#x2FFFF;	NOT CHANGED
+&#x110000;	CHANGED
+
+*** Testing 5 without the flag ***
+&#0;	NOT CHANGED
+&#1;	NOT CHANGED
+&#x09;	NOT CHANGED
+&#x0A;	NOT CHANGED
+&#x0B;	NOT CHANGED
+&#x0C;	NOT CHANGED
+&#x0D;	NOT CHANGED
+&#x0E;	NOT CHANGED
+&#x1F;	NOT CHANGED
+&#x20;	NOT CHANGED
+&#x7F;	NOT CHANGED
+&#x80;	NOT CHANGED
+&#x9F;	NOT CHANGED
+&#xA0;	NOT CHANGED
+&#xD7FF;	NOT CHANGED
+&#xD800;	NOT CHANGED
+&#xDFFF;	NOT CHANGED
+&#xE000;	NOT CHANGED
+&#xFFFE;	NOT CHANGED
+&#xFFFF;	NOT CHANGED
+&#xFDCF;	NOT CHANGED
+&#xFDD0;	NOT CHANGED
+&#xFDEF;	NOT CHANGED
+&#xFDF0;	NOT CHANGED
+&#x2FFFE;	NOT CHANGED
+&#x2FFFF;	NOT CHANGED
+&#x110000;	CHANGED (&amp;&num;x110000&semi;, &amp;#x110000;)
+
+*** Testing HTML 5 with another single-byte encoding ***
+&#0;	CHANGED (&amp;&num;0&semi;, &amp;#0;)
+&#1;	CHANGED (&amp;&num;1&semi;, &amp;#1;)
+&#x09;	NOT CHANGED
+&#x0A;	NOT CHANGED
+&#x0B;	CHANGED (&amp;&num;x0B&semi;, &amp;#x0B;)
+&#x0C;	NOT CHANGED
+&#x0D;	CHANGED (&amp;&num;x0D&semi;, &amp;#x0D;)
+&#x0E;	CHANGED (&amp;&num;x0E&semi;, &amp;#x0E;)
+&#x1F;	CHANGED (&amp;&num;x1F&semi;, &amp;#x1F;)
+&#x20;	NOT CHANGED
+&#x7F;	CHANGED (&amp;&num;x7F&semi;, &amp;#x7F;)
+&#x80;	CHANGED (&amp;&num;x80&semi;, &amp;#x80;)
+&#x9F;	CHANGED (&amp;&num;x9F&semi;, &amp;#x9F;)
+&#xA0;	NOT CHANGED
+&#xD7FF;	NOT CHANGED
+&#xD800;	NOT CHANGED
+&#xDFFF;	NOT CHANGED
+&#xE000;	NOT CHANGED
+&#xFFFE;	CHANGED (&amp;&num;xFFFE&semi;, &amp;#xFFFE;)
+&#xFFFF;	CHANGED (&amp;&num;xFFFF&semi;, &amp;#xFFFF;)
+&#xFDCF;	NOT CHANGED
+&#xFDD0;	CHANGED (&amp;&num;xFDD0&semi;, &amp;#xFDD0;)
+&#xFDEF;	CHANGED (&amp;&num;xFDEF&semi;, &amp;#xFDEF;)
+&#xFDF0;	NOT CHANGED
+&#x2FFFE;	CHANGED (&amp;&num;x2FFFE&semi;, &amp;#x2FFFE;)
+&#x2FFFF;	CHANGED (&amp;&num;x2FFFF&semi;, &amp;#x2FFFF;)
+&#x110000;	CHANGED (&amp;&num;x110000&semi;, &amp;#x110000;)
+
+*** Testing HTML 5 with another multibyte-byte encoding ***
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#0;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#1;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x09;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x0A;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x0B;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x0C;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x0D;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x0E;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x1F;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x20;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x7F;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x80;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x9F;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xA0;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xD7FF;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xD800;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xDFFF;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xE000;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xFFFE;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xFFFF;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xFDCF;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xFDD0;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xFDEF;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#xFDF0;	NOT CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x2FFFE;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x2FFFF;	CHANGED
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+&#x110000;	CHANGED
diff --git a/tests/std/strings/htmlentities23.phpt b/tests/std/strings/htmlentities23.phpt
new file mode 100644
index 00000000..18307c12
--- /dev/null
+++ b/tests/std/strings/htmlentities23.phpt
@@ -0,0 +1,123 @@
+--TEST--
+htmlentities() / htmlspecialchars() ENT_SUBSTITUTE EUC-JP
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+$tests = array(
+    "\x8F\xA1\xFF", //2 sub as 2nd is potentially valid as lead
+    "\x8F\xA1", //2 sub, as 2nd is potentially valid as lead
+    "\x8F", //1 sub
+    "\x8F\xA0", //1 sub, A0 is not valid as sole/first byte
+    "\x8F\xA1\x21", //2 sub, no consume last
+    "\x8F\x21", //1 sub, no consume last
+    "\x8E\xAE", //valid
+    "\x8E", //1 sub
+    "\x8E\x21", //1 sub, no consume last
+    "\xB2\xFF", //1 sub
+    "\xB2", //1 sub
+    "\xB2\x21", //1 sub, no consume last
+    "\xA0", //1 sub
+);
+
+foreach ($tests as $test) {
+    $a = htmlentities($test, ENT_QUOTES | ENT_SUBSTITUTE, "EUC-JP");
+    var_dump($a, bin2hex($a));
+    $a = htmlspecialchars($test, ENT_QUOTES | ENT_SUBSTITUTE, "EUC-JP");
+    var_dump($a, bin2hex($a));
+    echo "\n";
+}
+?>
+--EXPECTF--
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(16) "&#xFFFD;&#xFFFD;"
+string(32) "262378464646443b262378464646443b"
+string(16) "&#xFFFD;&#xFFFD;"
+string(32) "262378464646443b262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(16) "&#xFFFD;&#xFFFD;"
+string(32) "262378464646443b262378464646443b"
+string(16) "&#xFFFD;&#xFFFD;"
+string(32) "262378464646443b262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(17) "&#xFFFD;&#xFFFD;!"
+string(34) "262378464646443b262378464646443b21"
+string(17) "&#xFFFD;&#xFFFD;!"
+string(34) "262378464646443b262378464646443b21"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(9) "&#xFFFD;!"
+string(18) "262378464646443b21"
+string(9) "&#xFFFD;!"
+string(18) "262378464646443b21"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(2) "Ž®"
+string(4) "8eae"
+string(2) "Ž®"
+string(4) "8eae"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(9) "&#xFFFD;!"
+string(18) "262378464646443b21"
+string(9) "&#xFFFD;!"
+string(18) "262378464646443b21"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(9) "&#xFFFD;!"
+string(18) "262378464646443b21"
+string(9) "&#xFFFD;!"
+string(18) "262378464646443b21"
+
+
+Notice: htmlentities(): Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars in %s line %d
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
+string(8) "&#xFFFD;"
+string(16) "262378464646443b"
diff --git a/tests/std/strings/htmlentities24.phpt b/tests/std/strings/htmlentities24.phpt
new file mode 100644
index 00000000..8754257d
--- /dev/null
+++ b/tests/std/strings/htmlentities24.phpt
@@ -0,0 +1,313 @@
+--TEST--
+Test htmlentities() function
+--FILE--
+<?php
+/* Prototype: string htmlentities ( string $string [, int $quote_style [, string $charset]] );
+   Description: Convert all applicable characters to HTML entities
+*/
+
+/* retrieving htmlentities from the ANSI character table */
+echo "*** Retrieving htmlentities for 256 characters ***\n";
+for($i=0; $i<256; $i++)
+  var_dump( bin2hex( htmlentities("chr($i)")) );
+
+/* giving arguments as NULL */
+echo "\n*** Testing htmlentities() with NULL as first,second and third argument ***\n";
+var_dump( htmlentities("\x82\x86\x99\x9f\x80\x82\x81", ENT_QUOTES, NULL) ); /* UTF-8 assumed */
+var_dump( htmlentities("\x82\x86\x99\x9f\x80\x82\x81", ENT_NOQUOTES, NULL) ); /* UTF-8 assumed */
+var_dump( htmlentities("\x82\x86\x99\x9f\x80\x82\x81", ENT_COMPAT, NULL) ); /* UTF-8 assumed */
+
+/* giving long string to check for proper memory re-allocation */
+echo "\n*** Checking for proper memory allocation with long string ***\n";
+var_dump( htmlentities("\x82\x86\x99\x9f\x80\x82\x86\x84\x80\x89\x85\x83\x86\x84\x80\x91\x83\x91\x86\x87\x85\x86\x88\x82\x89\x92\x91\x83", ENT_QUOTES, 'cp1252'));
+
+/* giving a normal string */
+echo "\n*** Testing a normal string with htmlentities() ***\n";
+var_dump( htmlentities("<html> This is a test! </html>") );
+
+/* checking behavior of quote */
+echo "\n*** Testing htmlentites() on a quote ***\n";
+$str = "A 'quote' is <b>bold</b>";
+var_dump( htmlentities($str) );
+var_dump( htmlentities($str, ENT_QUOTES) );
+var_dump( htmlentities($str, ENT_NOQUOTES) );
+var_dump( htmlentities($str, ENT_COMPAT) );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Retrieving htmlentities for 256 characters ***
+string(12) "636872283029"
+string(12) "636872283129"
+string(12) "636872283229"
+string(12) "636872283329"
+string(12) "636872283429"
+string(12) "636872283529"
+string(12) "636872283629"
+string(12) "636872283729"
+string(12) "636872283829"
+string(12) "636872283929"
+string(14) "63687228313029"
+string(14) "63687228313129"
+string(14) "63687228313229"
+string(14) "63687228313329"
+string(14) "63687228313429"
+string(14) "63687228313529"
+string(14) "63687228313629"
+string(14) "63687228313729"
+string(14) "63687228313829"
+string(14) "63687228313929"
+string(14) "63687228323029"
+string(14) "63687228323129"
+string(14) "63687228323229"
+string(14) "63687228323329"
+string(14) "63687228323429"
+string(14) "63687228323529"
+string(14) "63687228323629"
+string(14) "63687228323729"
+string(14) "63687228323829"
+string(14) "63687228323929"
+string(14) "63687228333029"
+string(14) "63687228333129"
+string(14) "63687228333229"
+string(14) "63687228333329"
+string(14) "63687228333429"
+string(14) "63687228333529"
+string(14) "63687228333629"
+string(14) "63687228333729"
+string(14) "63687228333829"
+string(14) "63687228333929"
+string(14) "63687228343029"
+string(14) "63687228343129"
+string(14) "63687228343229"
+string(14) "63687228343329"
+string(14) "63687228343429"
+string(14) "63687228343529"
+string(14) "63687228343629"
+string(14) "63687228343729"
+string(14) "63687228343829"
+string(14) "63687228343929"
+string(14) "63687228353029"
+string(14) "63687228353129"
+string(14) "63687228353229"
+string(14) "63687228353329"
+string(14) "63687228353429"
+string(14) "63687228353529"
+string(14) "63687228353629"
+string(14) "63687228353729"
+string(14) "63687228353829"
+string(14) "63687228353929"
+string(14) "63687228363029"
+string(14) "63687228363129"
+string(14) "63687228363229"
+string(14) "63687228363329"
+string(14) "63687228363429"
+string(14) "63687228363529"
+string(14) "63687228363629"
+string(14) "63687228363729"
+string(14) "63687228363829"
+string(14) "63687228363929"
+string(14) "63687228373029"
+string(14) "63687228373129"
+string(14) "63687228373229"
+string(14) "63687228373329"
+string(14) "63687228373429"
+string(14) "63687228373529"
+string(14) "63687228373629"
+string(14) "63687228373729"
+string(14) "63687228373829"
+string(14) "63687228373929"
+string(14) "63687228383029"
+string(14) "63687228383129"
+string(14) "63687228383229"
+string(14) "63687228383329"
+string(14) "63687228383429"
+string(14) "63687228383529"
+string(14) "63687228383629"
+string(14) "63687228383729"
+string(14) "63687228383829"
+string(14) "63687228383929"
+string(14) "63687228393029"
+string(14) "63687228393129"
+string(14) "63687228393229"
+string(14) "63687228393329"
+string(14) "63687228393429"
+string(14) "63687228393529"
+string(14) "63687228393629"
+string(14) "63687228393729"
+string(14) "63687228393829"
+string(14) "63687228393929"
+string(16) "6368722831303029"
+string(16) "6368722831303129"
+string(16) "6368722831303229"
+string(16) "6368722831303329"
+string(16) "6368722831303429"
+string(16) "6368722831303529"
+string(16) "6368722831303629"
+string(16) "6368722831303729"
+string(16) "6368722831303829"
+string(16) "6368722831303929"
+string(16) "6368722831313029"
+string(16) "6368722831313129"
+string(16) "6368722831313229"
+string(16) "6368722831313329"
+string(16) "6368722831313429"
+string(16) "6368722831313529"
+string(16) "6368722831313629"
+string(16) "6368722831313729"
+string(16) "6368722831313829"
+string(16) "6368722831313929"
+string(16) "6368722831323029"
+string(16) "6368722831323129"
+string(16) "6368722831323229"
+string(16) "6368722831323329"
+string(16) "6368722831323429"
+string(16) "6368722831323529"
+string(16) "6368722831323629"
+string(16) "6368722831323729"
+string(16) "6368722831323829"
+string(16) "6368722831323929"
+string(16) "6368722831333029"
+string(16) "6368722831333129"
+string(16) "6368722831333229"
+string(16) "6368722831333329"
+string(16) "6368722831333429"
+string(16) "6368722831333529"
+string(16) "6368722831333629"
+string(16) "6368722831333729"
+string(16) "6368722831333829"
+string(16) "6368722831333929"
+string(16) "6368722831343029"
+string(16) "6368722831343129"
+string(16) "6368722831343229"
+string(16) "6368722831343329"
+string(16) "6368722831343429"
+string(16) "6368722831343529"
+string(16) "6368722831343629"
+string(16) "6368722831343729"
+string(16) "6368722831343829"
+string(16) "6368722831343929"
+string(16) "6368722831353029"
+string(16) "6368722831353129"
+string(16) "6368722831353229"
+string(16) "6368722831353329"
+string(16) "6368722831353429"
+string(16) "6368722831353529"
+string(16) "6368722831353629"
+string(16) "6368722831353729"
+string(16) "6368722831353829"
+string(16) "6368722831353929"
+string(16) "6368722831363029"
+string(16) "6368722831363129"
+string(16) "6368722831363229"
+string(16) "6368722831363329"
+string(16) "6368722831363429"
+string(16) "6368722831363529"
+string(16) "6368722831363629"
+string(16) "6368722831363729"
+string(16) "6368722831363829"
+string(16) "6368722831363929"
+string(16) "6368722831373029"
+string(16) "6368722831373129"
+string(16) "6368722831373229"
+string(16) "6368722831373329"
+string(16) "6368722831373429"
+string(16) "6368722831373529"
+string(16) "6368722831373629"
+string(16) "6368722831373729"
+string(16) "6368722831373829"
+string(16) "6368722831373929"
+string(16) "6368722831383029"
+string(16) "6368722831383129"
+string(16) "6368722831383229"
+string(16) "6368722831383329"
+string(16) "6368722831383429"
+string(16) "6368722831383529"
+string(16) "6368722831383629"
+string(16) "6368722831383729"
+string(16) "6368722831383829"
+string(16) "6368722831383929"
+string(16) "6368722831393029"
+string(16) "6368722831393129"
+string(16) "6368722831393229"
+string(16) "6368722831393329"
+string(16) "6368722831393429"
+string(16) "6368722831393529"
+string(16) "6368722831393629"
+string(16) "6368722831393729"
+string(16) "6368722831393829"
+string(16) "6368722831393929"
+string(16) "6368722832303029"
+string(16) "6368722832303129"
+string(16) "6368722832303229"
+string(16) "6368722832303329"
+string(16) "6368722832303429"
+string(16) "6368722832303529"
+string(16) "6368722832303629"
+string(16) "6368722832303729"
+string(16) "6368722832303829"
+string(16) "6368722832303929"
+string(16) "6368722832313029"
+string(16) "6368722832313129"
+string(16) "6368722832313229"
+string(16) "6368722832313329"
+string(16) "6368722832313429"
+string(16) "6368722832313529"
+string(16) "6368722832313629"
+string(16) "6368722832313729"
+string(16) "6368722832313829"
+string(16) "6368722832313929"
+string(16) "6368722832323029"
+string(16) "6368722832323129"
+string(16) "6368722832323229"
+string(16) "6368722832323329"
+string(16) "6368722832323429"
+string(16) "6368722832323529"
+string(16) "6368722832323629"
+string(16) "6368722832323729"
+string(16) "6368722832323829"
+string(16) "6368722832323929"
+string(16) "6368722832333029"
+string(16) "6368722832333129"
+string(16) "6368722832333229"
+string(16) "6368722832333329"
+string(16) "6368722832333429"
+string(16) "6368722832333529"
+string(16) "6368722832333629"
+string(16) "6368722832333729"
+string(16) "6368722832333829"
+string(16) "6368722832333929"
+string(16) "6368722832343029"
+string(16) "6368722832343129"
+string(16) "6368722832343229"
+string(16) "6368722832343329"
+string(16) "6368722832343429"
+string(16) "6368722832343529"
+string(16) "6368722832343629"
+string(16) "6368722832343729"
+string(16) "6368722832343829"
+string(16) "6368722832343929"
+string(16) "6368722832353029"
+string(16) "6368722832353129"
+string(16) "6368722832353229"
+string(16) "6368722832353329"
+string(16) "6368722832353429"
+string(16) "6368722832353529"
+
+*** Testing htmlentities() with NULL as first,second and third argument ***
+string(0) ""
+string(0) ""
+string(0) ""
+
+*** Checking for proper memory allocation with long string ***
+string(198) "&sbquo;&dagger;&trade;&Yuml;&euro;&sbquo;&dagger;&bdquo;&euro;&permil;&hellip;&fnof;&dagger;&bdquo;&euro;&lsquo;&fnof;&lsquo;&dagger;&Dagger;&hellip;&dagger;&circ;&sbquo;&permil;&rsquo;&lsquo;&fnof;"
+
+*** Testing a normal string with htmlentities() ***
+string(42) "&lt;html&gt; This is a test! &lt;/html&gt;"
+
+*** Testing htmlentites() on a quote ***
+string(46) "A &#039;quote&#039; is &lt;b&gt;bold&lt;/b&gt;"
+string(46) "A &#039;quote&#039; is &lt;b&gt;bold&lt;/b&gt;"
+string(36) "A 'quote' is &lt;b&gt;bold&lt;/b&gt;"
+string(36) "A 'quote' is &lt;b&gt;bold&lt;/b&gt;"
+Done
diff --git a/tests/std/strings/htmlentities25.phpt b/tests/std/strings/htmlentities25.phpt
new file mode 100644
index 00000000..62cd461f
--- /dev/null
+++ b/tests/std/strings/htmlentities25.phpt
@@ -0,0 +1,21 @@
+--TEST--
+htmlentities() should not be influenced by mb_internal_encoding()
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+default_charset=
+internal_encoding=
+mbstring.internal_encoding=ISO-8859-1
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+
+var_dump(htmlentities('äöü'));
+
+?>
+--EXPECT--
+Deprecated: PHP Startup: Use of mbstring.internal_encoding is deprecated in Unknown on line 0
+string(18) "&auml;&ouml;&uuml;"
diff --git a/tests/std/strings/htmlentities_html4.phpt b/tests/std/strings/htmlentities_html4.phpt
new file mode 100644
index 00000000..d1ce6a6b
--- /dev/null
+++ b/tests/std/strings/htmlentities_html4.phpt
@@ -0,0 +1,317 @@
+--TEST--
+htmlentities() conformance check (HTML 4)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+function utf32_utf8($k) {
+    if ($k < 0x80) {
+        $retval = pack('C', $k);
+    } else if ($k < 0x800) {
+        $retval = pack('C2',
+            0xc0 | ($k >> 6),
+            0x80 | ($k & 0x3f));
+    } else if ($k < 0x10000) {
+        $retval = pack('C3',
+            0xe0 | ($k >> 12),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    } else if ($k < 0x200000) {
+        $retval = pack('C4',
+            0xf0 | ($k >> 18),
+            0x80 | (($k >> 12) & 0x3f),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    } else if ($k < 0x4000000) {
+        $retval = pack('C5',
+            0xf8 | ($k >> 24),
+            0x80 | (($k >> 18) & 0x3f),
+            0x80 | (($k >> 12) & 0x3f),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    } else {
+        $retval = pack('C6',
+            0xfc | ($k >> 30),
+            0x80 | (($k >> 24) & 0x3f),
+            0x80 | (($k >> 18) & 0x3f),
+            0x80 | (($k >> 12) & 0x3f),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    }
+    return $retval;
+}
+
+$table = get_html_translation_table(HTML_ENTITIES, ENT_QUOTES, 'UTF-8');
+
+for ($i = 0; $i < 0x2710; $i++) {
+    if ($i >= 0xd800 && $i < 0xe000)
+        continue;
+    $str = utf32_utf8($i);
+    if (isset($table[$str])) {
+        printf("%s\tU+%05X\n", $table[$str], $i);
+        unset($table[$str]);
+    }
+}
+
+if (!empty($table)) {
+    echo "Not matched entities: ";
+    var_dump($table);
+}
+
+?>
+--EXPECT--
+&quot;	U+00022
+&amp;	U+00026
+&#039;	U+00027
+&lt;	U+0003C
+&gt;	U+0003E
+&nbsp;	U+000A0
+&iexcl;	U+000A1
+&cent;	U+000A2
+&pound;	U+000A3
+&curren;	U+000A4
+&yen;	U+000A5
+&brvbar;	U+000A6
+&sect;	U+000A7
+&uml;	U+000A8
+&copy;	U+000A9
+&ordf;	U+000AA
+&laquo;	U+000AB
+&not;	U+000AC
+&shy;	U+000AD
+&reg;	U+000AE
+&macr;	U+000AF
+&deg;	U+000B0
+&plusmn;	U+000B1
+&sup2;	U+000B2
+&sup3;	U+000B3
+&acute;	U+000B4
+&micro;	U+000B5
+&para;	U+000B6
+&middot;	U+000B7
+&cedil;	U+000B8
+&sup1;	U+000B9
+&ordm;	U+000BA
+&raquo;	U+000BB
+&frac14;	U+000BC
+&frac12;	U+000BD
+&frac34;	U+000BE
+&iquest;	U+000BF
+&Agrave;	U+000C0
+&Aacute;	U+000C1
+&Acirc;	U+000C2
+&Atilde;	U+000C3
+&Auml;	U+000C4
+&Aring;	U+000C5
+&AElig;	U+000C6
+&Ccedil;	U+000C7
+&Egrave;	U+000C8
+&Eacute;	U+000C9
+&Ecirc;	U+000CA
+&Euml;	U+000CB
+&Igrave;	U+000CC
+&Iacute;	U+000CD
+&Icirc;	U+000CE
+&Iuml;	U+000CF
+&ETH;	U+000D0
+&Ntilde;	U+000D1
+&Ograve;	U+000D2
+&Oacute;	U+000D3
+&Ocirc;	U+000D4
+&Otilde;	U+000D5
+&Ouml;	U+000D6
+&times;	U+000D7
+&Oslash;	U+000D8
+&Ugrave;	U+000D9
+&Uacute;	U+000DA
+&Ucirc;	U+000DB
+&Uuml;	U+000DC
+&Yacute;	U+000DD
+&THORN;	U+000DE
+&szlig;	U+000DF
+&agrave;	U+000E0
+&aacute;	U+000E1
+&acirc;	U+000E2
+&atilde;	U+000E3
+&auml;	U+000E4
+&aring;	U+000E5
+&aelig;	U+000E6
+&ccedil;	U+000E7
+&egrave;	U+000E8
+&eacute;	U+000E9
+&ecirc;	U+000EA
+&euml;	U+000EB
+&igrave;	U+000EC
+&iacute;	U+000ED
+&icirc;	U+000EE
+&iuml;	U+000EF
+&eth;	U+000F0
+&ntilde;	U+000F1
+&ograve;	U+000F2
+&oacute;	U+000F3
+&ocirc;	U+000F4
+&otilde;	U+000F5
+&ouml;	U+000F6
+&divide;	U+000F7
+&oslash;	U+000F8
+&ugrave;	U+000F9
+&uacute;	U+000FA
+&ucirc;	U+000FB
+&uuml;	U+000FC
+&yacute;	U+000FD
+&thorn;	U+000FE
+&yuml;	U+000FF
+&OElig;	U+00152
+&oelig;	U+00153
+&Scaron;	U+00160
+&scaron;	U+00161
+&Yuml;	U+00178
+&fnof;	U+00192
+&circ;	U+002C6
+&tilde;	U+002DC
+&Alpha;	U+00391
+&Beta;	U+00392
+&Gamma;	U+00393
+&Delta;	U+00394
+&Epsilon;	U+00395
+&Zeta;	U+00396
+&Eta;	U+00397
+&Theta;	U+00398
+&Iota;	U+00399
+&Kappa;	U+0039A
+&Lambda;	U+0039B
+&Mu;	U+0039C
+&Nu;	U+0039D
+&Xi;	U+0039E
+&Omicron;	U+0039F
+&Pi;	U+003A0
+&Rho;	U+003A1
+&Sigma;	U+003A3
+&Tau;	U+003A4
+&Upsilon;	U+003A5
+&Phi;	U+003A6
+&Chi;	U+003A7
+&Psi;	U+003A8
+&Omega;	U+003A9
+&alpha;	U+003B1
+&beta;	U+003B2
+&gamma;	U+003B3
+&delta;	U+003B4
+&epsilon;	U+003B5
+&zeta;	U+003B6
+&eta;	U+003B7
+&theta;	U+003B8
+&iota;	U+003B9
+&kappa;	U+003BA
+&lambda;	U+003BB
+&mu;	U+003BC
+&nu;	U+003BD
+&xi;	U+003BE
+&omicron;	U+003BF
+&pi;	U+003C0
+&rho;	U+003C1
+&sigmaf;	U+003C2
+&sigma;	U+003C3
+&tau;	U+003C4
+&upsilon;	U+003C5
+&phi;	U+003C6
+&chi;	U+003C7
+&psi;	U+003C8
+&omega;	U+003C9
+&thetasym;	U+003D1
+&upsih;	U+003D2
+&piv;	U+003D6
+&ensp;	U+02002
+&emsp;	U+02003
+&thinsp;	U+02009
+&zwnj;	U+0200C
+&zwj;	U+0200D
+&lrm;	U+0200E
+&rlm;	U+0200F
+&ndash;	U+02013
+&mdash;	U+02014
+&lsquo;	U+02018
+&rsquo;	U+02019
+&sbquo;	U+0201A
+&ldquo;	U+0201C
+&rdquo;	U+0201D
+&bdquo;	U+0201E
+&dagger;	U+02020
+&Dagger;	U+02021
+&bull;	U+02022
+&hellip;	U+02026
+&permil;	U+02030
+&prime;	U+02032
+&Prime;	U+02033
+&lsaquo;	U+02039
+&rsaquo;	U+0203A
+&oline;	U+0203E
+&frasl;	U+02044
+&euro;	U+020AC
+&image;	U+02111
+&weierp;	U+02118
+&real;	U+0211C
+&trade;	U+02122
+&alefsym;	U+02135
+&larr;	U+02190
+&uarr;	U+02191
+&rarr;	U+02192
+&darr;	U+02193
+&harr;	U+02194
+&crarr;	U+021B5
+&lArr;	U+021D0
+&uArr;	U+021D1
+&rArr;	U+021D2
+&dArr;	U+021D3
+&hArr;	U+021D4
+&forall;	U+02200
+&part;	U+02202
+&exist;	U+02203
+&empty;	U+02205
+&nabla;	U+02207
+&isin;	U+02208
+&notin;	U+02209
+&ni;	U+0220B
+&prod;	U+0220F
+&sum;	U+02211
+&minus;	U+02212
+&lowast;	U+02217
+&radic;	U+0221A
+&prop;	U+0221D
+&infin;	U+0221E
+&ang;	U+02220
+&and;	U+02227
+&or;	U+02228
+&cap;	U+02229
+&cup;	U+0222A
+&int;	U+0222B
+&there4;	U+02234
+&sim;	U+0223C
+&cong;	U+02245
+&asymp;	U+02248
+&ne;	U+02260
+&equiv;	U+02261
+&le;	U+02264
+&ge;	U+02265
+&sub;	U+02282
+&sup;	U+02283
+&nsub;	U+02284
+&sube;	U+02286
+&supe;	U+02287
+&oplus;	U+02295
+&otimes;	U+02297
+&perp;	U+022A5
+&sdot;	U+022C5
+&lceil;	U+02308
+&rceil;	U+02309
+&lfloor;	U+0230A
+&rfloor;	U+0230B
+&lang;	U+02329
+&rang;	U+0232A
+&loz;	U+025CA
+&spades;	U+02660
+&clubs;	U+02663
+&hearts;	U+02665
+&diams;	U+02666
diff --git a/tests/std/strings/htmlentities_html5.phpt b/tests/std/strings/htmlentities_html5.phpt
new file mode 100644
index 00000000..6a963adf
--- /dev/null
+++ b/tests/std/strings/htmlentities_html5.phpt
@@ -0,0 +1,1628 @@
+--TEST--
+htmlentities() conformance check (HTML 5)
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+function utf32_utf8($k) {
+    if ($k < 0x80) {
+        $retval = pack('C', $k);
+    } else if ($k < 0x800) {
+        $retval = pack('C2',
+            0xc0 | ($k >> 6),
+            0x80 | ($k & 0x3f));
+    } else if ($k < 0x10000) {
+        $retval = pack('C3',
+            0xe0 | ($k >> 12),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    } else {
+        $retval = pack('C4',
+            0xf0 | ($k >> 18),
+            0x80 | (($k >> 12) & 0x3f),
+            0x80 | (($k >> 6) & 0x3f),
+            0x80 | ($k & 0x3f));
+    }
+    return $retval;
+}
+
+for ($i = 0; $i < 0x1DFFF; $i++) {
+    if ($i >= 0xd800 && $i < 0xe000) //surrogates
+        continue;
+    $str = utf32_utf8($i);
+    $result = htmlentities($str, ENT_QUOTES | ENT_HTML5, 'UTF-8');
+    if ($str != $result) {
+        printf("%s\tU+%05X\n", $result, $i);
+    }
+}
+
+/* multicodepoint entities */
+$mpcent = array(
+array(0x0003C, 0x20D2),
+array(0x0003D, 0x20E5),
+array(0x0003E, 0x20D2),
+array(0x00066, 0x6A),
+array(0x0205F, 0x200A),
+array(0x0219D, 0x338),
+array(0x02202, 0x338),
+array(0x02220, 0x20D2),
+array(0x02229, 0xFE00),
+array(0x0222A, 0xFE00),
+array(0x0223C, 0x020D2),
+array(0x0223D, 0x00331),
+array(0x0223E, 0x00333),
+array(0x02242, 0x338),
+array(0x0224B, 0x338),
+array(0x0224D, 0x020D2),
+array(0x0224E, 0x338),
+array(0x0224F, 0x338),
+array(0x02250, 0x338),
+array(0x02261, 0x020E5),
+array(0x02264, 0x20D2),
+array(0x02265, 0x020D2),
+array(0x02266, 0x338),
+array(0x02267, 0x00338),
+array(0x02268, 0xFE00),
+array(0x02269, 0xFE00),
+array(0x0226A, 0x338),
+array(0x0226A, 0x20D2),
+array(0x0226B, 0x338),
+array(0x0226B, 0x20D2),
+array(0x0227F, 0x338),
+array(0x02282, 0x20D2),
+array(0x02283, 0x20D2),
+array(0x0228A, 0xFE00),
+array(0x0228B, 0xFE00),
+array(0x0228F, 0x338),
+array(0x02290, 0x338),
+array(0x02293, 0xFE00),
+array(0x02294, 0xFE00),
+array(0x022B4, 0x20D2),
+array(0x022B5, 0x20D2),
+array(0x022D8, 0x338),
+array(0x022D9, 0x338),
+array(0x022DA, 0xFE00),
+array(0x022DB, 0xFE00),
+array(0x022F5, 0x338),
+array(0x022F9, 0x338),
+array(0x02933, 0x338),
+array(0x029CF, 0x338),
+array(0x029D0, 0x338),
+array(0x02A6D, 0x338),
+array(0x02A70, 0x338),
+array(0x02A7D, 0x338),
+array(0x02A7E, 0x338),
+array(0x02AA1, 0x338),
+array(0x02AA2, 0x338),
+array(0x02AAC, 0xFE00),
+array(0x02AAD, 0xFE00),
+array(0x02AAF, 0x338),
+array(0x02AB0, 0x338),
+array(0x02AC5, 0x338),
+array(0x02AC6, 0x338),
+array(0x02ACB, 0xFE00),
+array(0x02ACC, 0xFE00),
+array(0x02AFD, 0xFE00),
+);
+
+foreach ($mpcent as $i) {
+    $str = utf32_utf8($i[0]);
+    $str .= utf32_utf8($i[1]);
+    $result = htmlentities($str, ENT_QUOTES | ENT_HTML5, 'UTF-8');
+    printf("%s\tU+%05X U+%05X\n", $result, $i[0], $i[1]);
+}
+?>
+--EXPECT--
+&Tab;	U+00009
+&NewLine;	U+0000A
+&excl;	U+00021
+&quot;	U+00022
+&num;	U+00023
+&dollar;	U+00024
+&percnt;	U+00025
+&amp;	U+00026
+&apos;	U+00027
+&lpar;	U+00028
+&rpar;	U+00029
+&ast;	U+0002A
+&plus;	U+0002B
+&comma;	U+0002C
+&period;	U+0002E
+&sol;	U+0002F
+&colon;	U+0003A
+&semi;	U+0003B
+&lt;	U+0003C
+&equals;	U+0003D
+&gt;	U+0003E
+&quest;	U+0003F
+&commat;	U+00040
+&lbrack;	U+0005B
+&bsol;	U+0005C
+&rsqb;	U+0005D
+&Hat;	U+0005E
+&lowbar;	U+0005F
+&grave;	U+00060
+&lbrace;	U+0007B
+&vert;	U+0007C
+&rcub;	U+0007D
+&nbsp;	U+000A0
+&iexcl;	U+000A1
+&cent;	U+000A2
+&pound;	U+000A3
+&curren;	U+000A4
+&yen;	U+000A5
+&brvbar;	U+000A6
+&sect;	U+000A7
+&DoubleDot;	U+000A8
+&copy;	U+000A9
+&ordf;	U+000AA
+&laquo;	U+000AB
+&not;	U+000AC
+&shy;	U+000AD
+&reg;	U+000AE
+&macr;	U+000AF
+&deg;	U+000B0
+&plusmn;	U+000B1
+&sup2;	U+000B2
+&sup3;	U+000B3
+&DiacriticalAcute;	U+000B4
+&micro;	U+000B5
+&para;	U+000B6
+&CenterDot;	U+000B7
+&Cedilla;	U+000B8
+&sup1;	U+000B9
+&ordm;	U+000BA
+&raquo;	U+000BB
+&frac14;	U+000BC
+&half;	U+000BD
+&frac34;	U+000BE
+&iquest;	U+000BF
+&Agrave;	U+000C0
+&Aacute;	U+000C1
+&Acirc;	U+000C2
+&Atilde;	U+000C3
+&Auml;	U+000C4
+&Aring;	U+000C5
+&AElig;	U+000C6
+&Ccedil;	U+000C7
+&Egrave;	U+000C8
+&Eacute;	U+000C9
+&Ecirc;	U+000CA
+&Euml;	U+000CB
+&Igrave;	U+000CC
+&Iacute;	U+000CD
+&Icirc;	U+000CE
+&Iuml;	U+000CF
+&ETH;	U+000D0
+&Ntilde;	U+000D1
+&Ograve;	U+000D2
+&Oacute;	U+000D3
+&Ocirc;	U+000D4
+&Otilde;	U+000D5
+&Ouml;	U+000D6
+&times;	U+000D7
+&Oslash;	U+000D8
+&Ugrave;	U+000D9
+&Uacute;	U+000DA
+&Ucirc;	U+000DB
+&Uuml;	U+000DC
+&Yacute;	U+000DD
+&THORN;	U+000DE
+&szlig;	U+000DF
+&agrave;	U+000E0
+&aacute;	U+000E1
+&acirc;	U+000E2
+&atilde;	U+000E3
+&auml;	U+000E4
+&aring;	U+000E5
+&aelig;	U+000E6
+&ccedil;	U+000E7
+&egrave;	U+000E8
+&eacute;	U+000E9
+&ecirc;	U+000EA
+&euml;	U+000EB
+&igrave;	U+000EC
+&iacute;	U+000ED
+&icirc;	U+000EE
+&iuml;	U+000EF
+&eth;	U+000F0
+&ntilde;	U+000F1
+&ograve;	U+000F2
+&oacute;	U+000F3
+&ocirc;	U+000F4
+&otilde;	U+000F5
+&ouml;	U+000F6
+&divide;	U+000F7
+&oslash;	U+000F8
+&ugrave;	U+000F9
+&uacute;	U+000FA
+&ucirc;	U+000FB
+&uuml;	U+000FC
+&yacute;	U+000FD
+&thorn;	U+000FE
+&yuml;	U+000FF
+&Amacr;	U+00100
+&amacr;	U+00101
+&Abreve;	U+00102
+&abreve;	U+00103
+&Aogon;	U+00104
+&aogon;	U+00105
+&Cacute;	U+00106
+&cacute;	U+00107
+&Ccirc;	U+00108
+&ccirc;	U+00109
+&Cdot;	U+0010A
+&cdot;	U+0010B
+&Ccaron;	U+0010C
+&ccaron;	U+0010D
+&Dcaron;	U+0010E
+&dcaron;	U+0010F
+&Dstrok;	U+00110
+&dstrok;	U+00111
+&Emacr;	U+00112
+&emacr;	U+00113
+&Edot;	U+00116
+&edot;	U+00117
+&Eogon;	U+00118
+&eogon;	U+00119
+&Ecaron;	U+0011A
+&ecaron;	U+0011B
+&Gcirc;	U+0011C
+&gcirc;	U+0011D
+&Gbreve;	U+0011E
+&gbreve;	U+0011F
+&Gdot;	U+00120
+&gdot;	U+00121
+&Gcedil;	U+00122
+&Hcirc;	U+00124
+&hcirc;	U+00125
+&Hstrok;	U+00126
+&hstrok;	U+00127
+&Itilde;	U+00128
+&itilde;	U+00129
+&Imacr;	U+0012A
+&imacr;	U+0012B
+&Iogon;	U+0012E
+&iogon;	U+0012F
+&Idot;	U+00130
+&inodot;	U+00131
+&IJlig;	U+00132
+&ijlig;	U+00133
+&Jcirc;	U+00134
+&jcirc;	U+00135
+&Kcedil;	U+00136
+&kcedil;	U+00137
+&kgreen;	U+00138
+&Lacute;	U+00139
+&lacute;	U+0013A
+&Lcedil;	U+0013B
+&lcedil;	U+0013C
+&Lcaron;	U+0013D
+&lcaron;	U+0013E
+&Lmidot;	U+0013F
+&lmidot;	U+00140
+&Lstrok;	U+00141
+&lstrok;	U+00142
+&Nacute;	U+00143
+&nacute;	U+00144
+&Ncedil;	U+00145
+&ncedil;	U+00146
+&Ncaron;	U+00147
+&ncaron;	U+00148
+&napos;	U+00149
+&ENG;	U+0014A
+&eng;	U+0014B
+&Omacr;	U+0014C
+&omacr;	U+0014D
+&Odblac;	U+00150
+&odblac;	U+00151
+&OElig;	U+00152
+&oelig;	U+00153
+&Racute;	U+00154
+&racute;	U+00155
+&Rcedil;	U+00156
+&rcedil;	U+00157
+&Rcaron;	U+00158
+&rcaron;	U+00159
+&Sacute;	U+0015A
+&sacute;	U+0015B
+&Scirc;	U+0015C
+&scirc;	U+0015D
+&Scedil;	U+0015E
+&scedil;	U+0015F
+&Scaron;	U+00160
+&scaron;	U+00161
+&Tcedil;	U+00162
+&tcedil;	U+00163
+&Tcaron;	U+00164
+&tcaron;	U+00165
+&Tstrok;	U+00166
+&tstrok;	U+00167
+&Utilde;	U+00168
+&utilde;	U+00169
+&Umacr;	U+0016A
+&umacr;	U+0016B
+&Ubreve;	U+0016C
+&ubreve;	U+0016D
+&Uring;	U+0016E
+&uring;	U+0016F
+&Udblac;	U+00170
+&udblac;	U+00171
+&Uogon;	U+00172
+&uogon;	U+00173
+&Wcirc;	U+00174
+&wcirc;	U+00175
+&Ycirc;	U+00176
+&ycirc;	U+00177
+&Yuml;	U+00178
+&Zacute;	U+00179
+&zacute;	U+0017A
+&Zdot;	U+0017B
+&zdot;	U+0017C
+&Zcaron;	U+0017D
+&zcaron;	U+0017E
+&fnof;	U+00192
+&imped;	U+001B5
+&gacute;	U+001F5
+&jmath;	U+00237
+&circ;	U+002C6
+&Hacek;	U+002C7
+&Breve;	U+002D8
+&dot;	U+002D9
+&ring;	U+002DA
+&ogon;	U+002DB
+&DiacriticalTilde;	U+002DC
+&DiacriticalDoubleAcute;	U+002DD
+&DownBreve;	U+00311
+&Alpha;	U+00391
+&Beta;	U+00392
+&Gamma;	U+00393
+&Delta;	U+00394
+&Epsilon;	U+00395
+&Zeta;	U+00396
+&Eta;	U+00397
+&Theta;	U+00398
+&Iota;	U+00399
+&Kappa;	U+0039A
+&Lambda;	U+0039B
+&Mu;	U+0039C
+&Nu;	U+0039D
+&Xi;	U+0039E
+&Omicron;	U+0039F
+&Pi;	U+003A0
+&Rho;	U+003A1
+&Sigma;	U+003A3
+&Tau;	U+003A4
+&Upsilon;	U+003A5
+&Phi;	U+003A6
+&Chi;	U+003A7
+&Psi;	U+003A8
+&Omega;	U+003A9
+&alpha;	U+003B1
+&beta;	U+003B2
+&gamma;	U+003B3
+&delta;	U+003B4
+&epsi;	U+003B5
+&zeta;	U+003B6
+&eta;	U+003B7
+&theta;	U+003B8
+&iota;	U+003B9
+&kappa;	U+003BA
+&lambda;	U+003BB
+&mu;	U+003BC
+&nu;	U+003BD
+&xi;	U+003BE
+&omicron;	U+003BF
+&pi;	U+003C0
+&rho;	U+003C1
+&sigmav;	U+003C2
+&sigma;	U+003C3
+&tau;	U+003C4
+&upsi;	U+003C5
+&phi;	U+003C6
+&chi;	U+003C7
+&psi;	U+003C8
+&omega;	U+003C9
+&thetasym;	U+003D1
+&upsih;	U+003D2
+&straightphi;	U+003D5
+&piv;	U+003D6
+&Gammad;	U+003DC
+&gammad;	U+003DD
+&varkappa;	U+003F0
+&rhov;	U+003F1
+&straightepsilon;	U+003F5
+&backepsilon;	U+003F6
+&IOcy;	U+00401
+&DJcy;	U+00402
+&GJcy;	U+00403
+&Jukcy;	U+00404
+&DScy;	U+00405
+&Iukcy;	U+00406
+&YIcy;	U+00407
+&Jsercy;	U+00408
+&LJcy;	U+00409
+&NJcy;	U+0040A
+&TSHcy;	U+0040B
+&KJcy;	U+0040C
+&Ubrcy;	U+0040E
+&DZcy;	U+0040F
+&Acy;	U+00410
+&Bcy;	U+00411
+&Vcy;	U+00412
+&Gcy;	U+00413
+&Dcy;	U+00414
+&IEcy;	U+00415
+&ZHcy;	U+00416
+&Zcy;	U+00417
+&Icy;	U+00418
+&Jcy;	U+00419
+&Kcy;	U+0041A
+&Lcy;	U+0041B
+&Mcy;	U+0041C
+&Ncy;	U+0041D
+&Ocy;	U+0041E
+&Pcy;	U+0041F
+&Rcy;	U+00420
+&Scy;	U+00421
+&Tcy;	U+00422
+&Ucy;	U+00423
+&Fcy;	U+00424
+&KHcy;	U+00425
+&TScy;	U+00426
+&CHcy;	U+00427
+&SHcy;	U+00428
+&SHCHcy;	U+00429
+&HARDcy;	U+0042A
+&Ycy;	U+0042B
+&SOFTcy;	U+0042C
+&Ecy;	U+0042D
+&YUcy;	U+0042E
+&YAcy;	U+0042F
+&acy;	U+00430
+&bcy;	U+00431
+&vcy;	U+00432
+&gcy;	U+00433
+&dcy;	U+00434
+&iecy;	U+00435
+&zhcy;	U+00436
+&zcy;	U+00437
+&icy;	U+00438
+&jcy;	U+00439
+&kcy;	U+0043A
+&lcy;	U+0043B
+&mcy;	U+0043C
+&ncy;	U+0043D
+&ocy;	U+0043E
+&pcy;	U+0043F
+&rcy;	U+00440
+&scy;	U+00441
+&tcy;	U+00442
+&ucy;	U+00443
+&fcy;	U+00444
+&khcy;	U+00445
+&tscy;	U+00446
+&chcy;	U+00447
+&shcy;	U+00448
+&shchcy;	U+00449
+&hardcy;	U+0044A
+&ycy;	U+0044B
+&softcy;	U+0044C
+&ecy;	U+0044D
+&yucy;	U+0044E
+&yacy;	U+0044F
+&iocy;	U+00451
+&djcy;	U+00452
+&gjcy;	U+00453
+&jukcy;	U+00454
+&dscy;	U+00455
+&iukcy;	U+00456
+&yicy;	U+00457
+&jsercy;	U+00458
+&ljcy;	U+00459
+&njcy;	U+0045A
+&tshcy;	U+0045B
+&kjcy;	U+0045C
+&ubrcy;	U+0045E
+&dzcy;	U+0045F
+&ensp;	U+02002
+&emsp;	U+02003
+&emsp13;	U+02004
+&emsp14;	U+02005
+&numsp;	U+02007
+&puncsp;	U+02008
+&ThinSpace;	U+02009
+&hairsp;	U+0200A
+&ZeroWidthSpace;	U+0200B
+&zwnj;	U+0200C
+&zwj;	U+0200D
+&lrm;	U+0200E
+&rlm;	U+0200F
+&hyphen;	U+02010
+&ndash;	U+02013
+&mdash;	U+02014
+&horbar;	U+02015
+&Verbar;	U+02016
+&OpenCurlyQuote;	U+02018
+&rsquo;	U+02019
+&sbquo;	U+0201A
+&OpenCurlyDoubleQuote;	U+0201C
+&rdquo;	U+0201D
+&bdquo;	U+0201E
+&dagger;	U+02020
+&Dagger;	U+02021
+&bull;	U+02022
+&nldr;	U+02025
+&hellip;	U+02026
+&permil;	U+02030
+&pertenk;	U+02031
+&prime;	U+02032
+&Prime;	U+02033
+&tprime;	U+02034
+&backprime;	U+02035
+&lsaquo;	U+02039
+&rsaquo;	U+0203A
+&oline;	U+0203E
+&caret;	U+02041
+&hybull;	U+02043
+&frasl;	U+02044
+&bsemi;	U+0204F
+&qprime;	U+02057
+&MediumSpace;	U+0205F
+&NoBreak;	U+02060
+&af;	U+02061
+&InvisibleTimes;	U+02062
+&ic;	U+02063
+&euro;	U+020AC
+&TripleDot;	U+020DB
+&DotDot;	U+020DC
+&complexes;	U+02102
+&incare;	U+02105
+&gscr;	U+0210A
+&HilbertSpace;	U+0210B
+&Hfr;	U+0210C
+&Hopf;	U+0210D
+&planckh;	U+0210E
+&planck;	U+0210F
+&imagline;	U+02110
+&Ifr;	U+02111
+&lagran;	U+02112
+&ell;	U+02113
+&naturals;	U+02115
+&numero;	U+02116
+&copysr;	U+02117
+&wp;	U+02118
+&primes;	U+02119
+&rationals;	U+0211A
+&realine;	U+0211B
+&Rfr;	U+0211C
+&Ropf;	U+0211D
+&rx;	U+0211E
+&trade;	U+02122
+&Zopf;	U+02124
+&mho;	U+02127
+&Zfr;	U+02128
+&iiota;	U+02129
+&Bscr;	U+0212C
+&Cfr;	U+0212D
+&escr;	U+0212F
+&expectation;	U+02130
+&Fouriertrf;	U+02131
+&Mellintrf;	U+02133
+&orderof;	U+02134
+&aleph;	U+02135
+&beth;	U+02136
+&gimel;	U+02137
+&daleth;	U+02138
+&CapitalDifferentialD;	U+02145
+&DifferentialD;	U+02146
+&exponentiale;	U+02147
+&ImaginaryI;	U+02148
+&frac13;	U+02153
+&frac23;	U+02154
+&frac15;	U+02155
+&frac25;	U+02156
+&frac35;	U+02157
+&frac45;	U+02158
+&frac16;	U+02159
+&frac56;	U+0215A
+&frac18;	U+0215B
+&frac38;	U+0215C
+&frac58;	U+0215D
+&frac78;	U+0215E
+&larr;	U+02190
+&uarr;	U+02191
+&srarr;	U+02192
+&darr;	U+02193
+&harr;	U+02194
+&UpDownArrow;	U+02195
+&nwarrow;	U+02196
+&UpperRightArrow;	U+02197
+&LowerRightArrow;	U+02198
+&swarr;	U+02199
+&nleftarrow;	U+0219A
+&nrarr;	U+0219B
+&rarrw;	U+0219D
+&Larr;	U+0219E
+&Uarr;	U+0219F
+&twoheadrightarrow;	U+021A0
+&Darr;	U+021A1
+&larrtl;	U+021A2
+&rarrtl;	U+021A3
+&LeftTeeArrow;	U+021A4
+&UpTeeArrow;	U+021A5
+&map;	U+021A6
+&DownTeeArrow;	U+021A7
+&larrhk;	U+021A9
+&rarrhk;	U+021AA
+&larrlp;	U+021AB
+&looparrowright;	U+021AC
+&harrw;	U+021AD
+&nleftrightarrow;	U+021AE
+&Lsh;	U+021B0
+&rsh;	U+021B1
+&ldsh;	U+021B2
+&rdsh;	U+021B3
+&crarr;	U+021B5
+&curvearrowleft;	U+021B6
+&curarr;	U+021B7
+&olarr;	U+021BA
+&orarr;	U+021BB
+&leftharpoonup;	U+021BC
+&leftharpoondown;	U+021BD
+&RightUpVector;	U+021BE
+&uharl;	U+021BF
+&rharu;	U+021C0
+&rhard;	U+021C1
+&RightDownVector;	U+021C2
+&dharl;	U+021C3
+&rightleftarrows;	U+021C4
+&udarr;	U+021C5
+&lrarr;	U+021C6
+&llarr;	U+021C7
+&upuparrows;	U+021C8
+&rrarr;	U+021C9
+&downdownarrows;	U+021CA
+&leftrightharpoons;	U+021CB
+&rightleftharpoons;	U+021CC
+&nLeftarrow;	U+021CD
+&nhArr;	U+021CE
+&nrArr;	U+021CF
+&DoubleLeftArrow;	U+021D0
+&DoubleUpArrow;	U+021D1
+&Implies;	U+021D2
+&Downarrow;	U+021D3
+&hArr;	U+021D4
+&Updownarrow;	U+021D5
+&nwArr;	U+021D6
+&neArr;	U+021D7
+&seArr;	U+021D8
+&swArr;	U+021D9
+&lAarr;	U+021DA
+&rAarr;	U+021DB
+&zigrarr;	U+021DD
+&LeftArrowBar;	U+021E4
+&RightArrowBar;	U+021E5
+&DownArrowUpArrow;	U+021F5
+&loarr;	U+021FD
+&roarr;	U+021FE
+&hoarr;	U+021FF
+&forall;	U+02200
+&comp;	U+02201
+&part;	U+02202
+&Exists;	U+02203
+&nexist;	U+02204
+&empty;	U+02205
+&nabla;	U+02207
+&isinv;	U+02208
+&notin;	U+02209
+&ReverseElement;	U+0220B
+&notniva;	U+0220C
+&prod;	U+0220F
+&Coproduct;	U+02210
+&sum;	U+02211
+&minus;	U+02212
+&MinusPlus;	U+02213
+&plusdo;	U+02214
+&ssetmn;	U+02216
+&lowast;	U+02217
+&compfn;	U+02218
+&Sqrt;	U+0221A
+&prop;	U+0221D
+&infin;	U+0221E
+&angrt;	U+0221F
+&angle;	U+02220
+&angmsd;	U+02221
+&angsph;	U+02222
+&mid;	U+02223
+&nshortmid;	U+02224
+&shortparallel;	U+02225
+&nparallel;	U+02226
+&and;	U+02227
+&or;	U+02228
+&cap;	U+02229
+&cup;	U+0222A
+&Integral;	U+0222B
+&Int;	U+0222C
+&tint;	U+0222D
+&ContourIntegral;	U+0222E
+&DoubleContourIntegral;	U+0222F
+&Cconint;	U+02230
+&cwint;	U+02231
+&cwconint;	U+02232
+&awconint;	U+02233
+&there4;	U+02234
+&Because;	U+02235
+&ratio;	U+02236
+&Colon;	U+02237
+&minusd;	U+02238
+&mDDot;	U+0223A
+&homtht;	U+0223B
+&sim;	U+0223C
+&bsim;	U+0223D
+&ac;	U+0223E
+&acd;	U+0223F
+&wr;	U+02240
+&NotTilde;	U+02241
+&esim;	U+02242
+&simeq;	U+02243
+&nsime;	U+02244
+&TildeFullEqual;	U+02245
+&simne;	U+02246
+&ncong;	U+02247
+&approx;	U+02248
+&napprox;	U+02249
+&ape;	U+0224A
+&apid;	U+0224B
+&bcong;	U+0224C
+&CupCap;	U+0224D
+&bump;	U+0224E
+&HumpEqual;	U+0224F
+&esdot;	U+02250
+&doteqdot;	U+02251
+&fallingdotseq;	U+02252
+&risingdotseq;	U+02253
+&coloneq;	U+02254
+&eqcolon;	U+02255
+&ecir;	U+02256
+&circeq;	U+02257
+&wedgeq;	U+02259
+&veeeq;	U+0225A
+&triangleq;	U+0225C
+&equest;	U+0225F
+&NotEqual;	U+02260
+&Congruent;	U+02261
+&NotCongruent;	U+02262
+&leq;	U+02264
+&ge;	U+02265
+&lE;	U+02266
+&geqq;	U+02267
+&lneqq;	U+02268
+&gneqq;	U+02269
+&ll;	U+0226A
+&gg;	U+0226B
+&between;	U+0226C
+&NotCupCap;	U+0226D
+&NotLess;	U+0226E
+&ngtr;	U+0226F
+&NotLessEqual;	U+02270
+&ngeq;	U+02271
+&LessTilde;	U+02272
+&GreaterTilde;	U+02273
+&nlsim;	U+02274
+&ngsim;	U+02275
+&lessgtr;	U+02276
+&gl;	U+02277
+&ntlg;	U+02278
+&NotGreaterLess;	U+02279
+&prec;	U+0227A
+&succ;	U+0227B
+&PrecedesSlantEqual;	U+0227C
+&succcurlyeq;	U+0227D
+&precsim;	U+0227E
+&SucceedsTilde;	U+0227F
+&npr;	U+02280
+&NotSucceeds;	U+02281
+&sub;	U+02282
+&sup;	U+02283
+&nsub;	U+02284
+&nsup;	U+02285
+&SubsetEqual;	U+02286
+&supe;	U+02287
+&NotSubsetEqual;	U+02288
+&NotSupersetEqual;	U+02289
+&subsetneq;	U+0228A
+&supsetneq;	U+0228B
+&cupdot;	U+0228D
+&UnionPlus;	U+0228E
+&sqsub;	U+0228F
+&sqsupset;	U+02290
+&SquareSubsetEqual;	U+02291
+&SquareSupersetEqual;	U+02292
+&sqcap;	U+02293
+&sqcup;	U+02294
+&CirclePlus;	U+02295
+&ominus;	U+02296
+&CircleTimes;	U+02297
+&osol;	U+02298
+&CircleDot;	U+02299
+&ocir;	U+0229A
+&oast;	U+0229B
+&odash;	U+0229D
+&boxplus;	U+0229E
+&boxminus;	U+0229F
+&timesb;	U+022A0
+&sdotb;	U+022A1
+&vdash;	U+022A2
+&dashv;	U+022A3
+&DownTee;	U+022A4
+&perp;	U+022A5
+&models;	U+022A7
+&DoubleRightTee;	U+022A8
+&Vdash;	U+022A9
+&Vvdash;	U+022AA
+&VDash;	U+022AB
+&nvdash;	U+022AC
+&nvDash;	U+022AD
+&nVdash;	U+022AE
+&nVDash;	U+022AF
+&prurel;	U+022B0
+&vartriangleleft;	U+022B2
+&vrtri;	U+022B3
+&LeftTriangleEqual;	U+022B4
+&RightTriangleEqual;	U+022B5
+&origof;	U+022B6
+&imof;	U+022B7
+&mumap;	U+022B8
+&hercon;	U+022B9
+&intcal;	U+022BA
+&veebar;	U+022BB
+&barvee;	U+022BD
+&angrtvb;	U+022BE
+&lrtri;	U+022BF
+&xwedge;	U+022C0
+&xvee;	U+022C1
+&bigcap;	U+022C2
+&bigcup;	U+022C3
+&diamond;	U+022C4
+&sdot;	U+022C5
+&Star;	U+022C6
+&divonx;	U+022C7
+&bowtie;	U+022C8
+&ltimes;	U+022C9
+&rtimes;	U+022CA
+&lthree;	U+022CB
+&rthree;	U+022CC
+&backsimeq;	U+022CD
+&curlyvee;	U+022CE
+&curlywedge;	U+022CF
+&Sub;	U+022D0
+&Supset;	U+022D1
+&Cap;	U+022D2
+&Cup;	U+022D3
+&pitchfork;	U+022D4
+&epar;	U+022D5
+&lessdot;	U+022D6
+&gtrdot;	U+022D7
+&Ll;	U+022D8
+&Gg;	U+022D9
+&lesseqgtr;	U+022DA
+&gtreqless;	U+022DB
+&curlyeqprec;	U+022DE
+&cuesc;	U+022DF
+&NotPrecedesSlantEqual;	U+022E0
+&NotSucceedsSlantEqual;	U+022E1
+&NotSquareSubsetEqual;	U+022E2
+&NotSquareSupersetEqual;	U+022E3
+&lnsim;	U+022E6
+&gnsim;	U+022E7
+&precnsim;	U+022E8
+&scnsim;	U+022E9
+&nltri;	U+022EA
+&ntriangleright;	U+022EB
+&nltrie;	U+022EC
+&NotRightTriangleEqual;	U+022ED
+&vellip;	U+022EE
+&ctdot;	U+022EF
+&utdot;	U+022F0
+&dtdot;	U+022F1
+&disin;	U+022F2
+&isinsv;	U+022F3
+&isins;	U+022F4
+&isindot;	U+022F5
+&notinvc;	U+022F6
+&notinvb;	U+022F7
+&isinE;	U+022F9
+&nisd;	U+022FA
+&xnis;	U+022FB
+&nis;	U+022FC
+&notnivc;	U+022FD
+&notnivb;	U+022FE
+&barwed;	U+02305
+&doublebarwedge;	U+02306
+&lceil;	U+02308
+&RightCeiling;	U+02309
+&LeftFloor;	U+0230A
+&RightFloor;	U+0230B
+&drcrop;	U+0230C
+&dlcrop;	U+0230D
+&urcrop;	U+0230E
+&ulcrop;	U+0230F
+&bnot;	U+02310
+&profline;	U+02312
+&profsurf;	U+02313
+&telrec;	U+02315
+&target;	U+02316
+&ulcorner;	U+0231C
+&urcorner;	U+0231D
+&llcorner;	U+0231E
+&drcorn;	U+0231F
+&frown;	U+02322
+&smile;	U+02323
+&cylcty;	U+0232D
+&profalar;	U+0232E
+&topbot;	U+02336
+&ovbar;	U+0233D
+&solbar;	U+0233F
+&angzarr;	U+0237C
+&lmoust;	U+023B0
+&rmoust;	U+023B1
+&OverBracket;	U+023B4
+&bbrk;	U+023B5
+&bbrktbrk;	U+023B6
+&OverParenthesis;	U+023DC
+&UnderParenthesis;	U+023DD
+&OverBrace;	U+023DE
+&UnderBrace;	U+023DF
+&trpezium;	U+023E2
+&elinters;	U+023E7
+&blank;	U+02423
+&oS;	U+024C8
+&HorizontalLine;	U+02500
+&boxv;	U+02502
+&boxdr;	U+0250C
+&boxdl;	U+02510
+&boxur;	U+02514
+&boxul;	U+02518
+&boxvr;	U+0251C
+&boxvl;	U+02524
+&boxhd;	U+0252C
+&boxhu;	U+02534
+&boxvh;	U+0253C
+&boxH;	U+02550
+&boxV;	U+02551
+&boxdR;	U+02552
+&boxDr;	U+02553
+&boxDR;	U+02554
+&boxdL;	U+02555
+&boxDl;	U+02556
+&boxDL;	U+02557
+&boxuR;	U+02558
+&boxUr;	U+02559
+&boxUR;	U+0255A
+&boxuL;	U+0255B
+&boxUl;	U+0255C
+&boxUL;	U+0255D
+&boxvR;	U+0255E
+&boxVr;	U+0255F
+&boxVR;	U+02560
+&boxvL;	U+02561
+&boxVl;	U+02562
+&boxVL;	U+02563
+&boxHd;	U+02564
+&boxhD;	U+02565
+&boxHD;	U+02566
+&boxHu;	U+02567
+&boxhU;	U+02568
+&boxHU;	U+02569
+&boxvH;	U+0256A
+&boxVh;	U+0256B
+&boxVH;	U+0256C
+&uhblk;	U+02580
+&lhblk;	U+02584
+&block;	U+02588
+&blk14;	U+02591
+&blk12;	U+02592
+&blk34;	U+02593
+&Square;	U+025A1
+&squarf;	U+025AA
+&EmptyVerySmallSquare;	U+025AB
+&rect;	U+025AD
+&marker;	U+025AE
+&fltns;	U+025B1
+&bigtriangleup;	U+025B3
+&blacktriangle;	U+025B4
+&triangle;	U+025B5
+&blacktriangleright;	U+025B8
+&rtri;	U+025B9
+&bigtriangledown;	U+025BD
+&blacktriangledown;	U+025BE
+&triangledown;	U+025BF
+&blacktriangleleft;	U+025C2
+&ltri;	U+025C3
+&lozenge;	U+025CA
+&cir;	U+025CB
+&tridot;	U+025EC
+&bigcirc;	U+025EF
+&ultri;	U+025F8
+&urtri;	U+025F9
+&lltri;	U+025FA
+&EmptySmallSquare;	U+025FB
+&FilledSmallSquare;	U+025FC
+&starf;	U+02605
+&star;	U+02606
+&phone;	U+0260E
+&female;	U+02640
+&male;	U+02642
+&spadesuit;	U+02660
+&clubs;	U+02663
+&hearts;	U+02665
+&diamondsuit;	U+02666
+&sung;	U+0266A
+&flat;	U+0266D
+&natur;	U+0266E
+&sharp;	U+0266F
+&check;	U+02713
+&cross;	U+02717
+&maltese;	U+02720
+&sext;	U+02736
+&VerticalSeparator;	U+02758
+&lbbrk;	U+02772
+&rbbrk;	U+02773
+&bsolhsub;	U+027C8
+&suphsol;	U+027C9
+&LeftDoubleBracket;	U+027E6
+&RightDoubleBracket;	U+027E7
+&langle;	U+027E8
+&RightAngleBracket;	U+027E9
+&Lang;	U+027EA
+&Rang;	U+027EB
+&loang;	U+027EC
+&roang;	U+027ED
+&longleftarrow;	U+027F5
+&LongRightArrow;	U+027F6
+&LongLeftRightArrow;	U+027F7
+&xlArr;	U+027F8
+&DoubleLongRightArrow;	U+027F9
+&xhArr;	U+027FA
+&xmap;	U+027FC
+&dzigrarr;	U+027FF
+&nvlArr;	U+02902
+&nvrArr;	U+02903
+&nvHarr;	U+02904
+&Map;	U+02905
+&lbarr;	U+0290C
+&bkarow;	U+0290D
+&lBarr;	U+0290E
+&dbkarow;	U+0290F
+&drbkarow;	U+02910
+&DDotrahd;	U+02911
+&UpArrowBar;	U+02912
+&DownArrowBar;	U+02913
+&Rarrtl;	U+02916
+&latail;	U+02919
+&ratail;	U+0291A
+&lAtail;	U+0291B
+&rAtail;	U+0291C
+&larrfs;	U+0291D
+&rarrfs;	U+0291E
+&larrbfs;	U+0291F
+&rarrbfs;	U+02920
+&nwarhk;	U+02923
+&nearhk;	U+02924
+&searhk;	U+02925
+&swarhk;	U+02926
+&nwnear;	U+02927
+&toea;	U+02928
+&seswar;	U+02929
+&swnwar;	U+0292A
+&rarrc;	U+02933
+&cudarrr;	U+02935
+&ldca;	U+02936
+&rdca;	U+02937
+&cudarrl;	U+02938
+&larrpl;	U+02939
+&curarrm;	U+0293C
+&cularrp;	U+0293D
+&rarrpl;	U+02945
+&harrcir;	U+02948
+&Uarrocir;	U+02949
+&lurdshar;	U+0294A
+&ldrushar;	U+0294B
+&LeftRightVector;	U+0294E
+&RightUpDownVector;	U+0294F
+&DownLeftRightVector;	U+02950
+&LeftUpDownVector;	U+02951
+&LeftVectorBar;	U+02952
+&RightVectorBar;	U+02953
+&RightUpVectorBar;	U+02954
+&RightDownVectorBar;	U+02955
+&DownLeftVectorBar;	U+02956
+&DownRightVectorBar;	U+02957
+&LeftUpVectorBar;	U+02958
+&LeftDownVectorBar;	U+02959
+&LeftTeeVector;	U+0295A
+&RightTeeVector;	U+0295B
+&RightUpTeeVector;	U+0295C
+&RightDownTeeVector;	U+0295D
+&DownLeftTeeVector;	U+0295E
+&DownRightTeeVector;	U+0295F
+&LeftUpTeeVector;	U+02960
+&LeftDownTeeVector;	U+02961
+&lHar;	U+02962
+&uHar;	U+02963
+&rHar;	U+02964
+&dHar;	U+02965
+&luruhar;	U+02966
+&ldrdhar;	U+02967
+&ruluhar;	U+02968
+&rdldhar;	U+02969
+&lharul;	U+0296A
+&llhard;	U+0296B
+&rharul;	U+0296C
+&lrhard;	U+0296D
+&udhar;	U+0296E
+&ReverseUpEquilibrium;	U+0296F
+&RoundImplies;	U+02970
+&erarr;	U+02971
+&simrarr;	U+02972
+&larrsim;	U+02973
+&rarrsim;	U+02974
+&rarrap;	U+02975
+&ltlarr;	U+02976
+&gtrarr;	U+02978
+&subrarr;	U+02979
+&suplarr;	U+0297B
+&lfisht;	U+0297C
+&rfisht;	U+0297D
+&ufisht;	U+0297E
+&dfisht;	U+0297F
+&lopar;	U+02985
+&ropar;	U+02986
+&lbrke;	U+0298B
+&rbrke;	U+0298C
+&lbrkslu;	U+0298D
+&rbrksld;	U+0298E
+&lbrksld;	U+0298F
+&rbrkslu;	U+02990
+&langd;	U+02991
+&rangd;	U+02992
+&lparlt;	U+02993
+&rpargt;	U+02994
+&gtlPar;	U+02995
+&ltrPar;	U+02996
+&vzigzag;	U+0299A
+&vangrt;	U+0299C
+&angrtvbd;	U+0299D
+&ange;	U+029A4
+&range;	U+029A5
+&dwangle;	U+029A6
+&uwangle;	U+029A7
+&angmsdaa;	U+029A8
+&angmsdab;	U+029A9
+&angmsdac;	U+029AA
+&angmsdad;	U+029AB
+&angmsdae;	U+029AC
+&angmsdaf;	U+029AD
+&angmsdag;	U+029AE
+&angmsdah;	U+029AF
+&bemptyv;	U+029B0
+&demptyv;	U+029B1
+&cemptyv;	U+029B2
+&raemptyv;	U+029B3
+&laemptyv;	U+029B4
+&ohbar;	U+029B5
+&omid;	U+029B6
+&opar;	U+029B7
+&operp;	U+029B9
+&olcross;	U+029BB
+&odsold;	U+029BC
+&olcir;	U+029BE
+&ofcir;	U+029BF
+&olt;	U+029C0
+&ogt;	U+029C1
+&cirscir;	U+029C2
+&cirE;	U+029C3
+&solb;	U+029C4
+&bsolb;	U+029C5
+&boxbox;	U+029C9
+&trisb;	U+029CD
+&rtriltri;	U+029CE
+&LeftTriangleBar;	U+029CF
+&RightTriangleBar;	U+029D0
+&iinfin;	U+029DC
+&infintie;	U+029DD
+&nvinfin;	U+029DE
+&eparsl;	U+029E3
+&smeparsl;	U+029E4
+&eqvparsl;	U+029E5
+&lozf;	U+029EB
+&RuleDelayed;	U+029F4
+&dsol;	U+029F6
+&xodot;	U+02A00
+&bigoplus;	U+02A01
+&bigotimes;	U+02A02
+&biguplus;	U+02A04
+&bigsqcup;	U+02A06
+&iiiint;	U+02A0C
+&fpartint;	U+02A0D
+&cirfnint;	U+02A10
+&awint;	U+02A11
+&rppolint;	U+02A12
+&scpolint;	U+02A13
+&npolint;	U+02A14
+&pointint;	U+02A15
+&quatint;	U+02A16
+&intlarhk;	U+02A17
+&pluscir;	U+02A22
+&plusacir;	U+02A23
+&simplus;	U+02A24
+&plusdu;	U+02A25
+&plussim;	U+02A26
+&plustwo;	U+02A27
+&mcomma;	U+02A29
+&minusdu;	U+02A2A
+&loplus;	U+02A2D
+&roplus;	U+02A2E
+&Cross;	U+02A2F
+&timesd;	U+02A30
+&timesbar;	U+02A31
+&smashp;	U+02A33
+&lotimes;	U+02A34
+&rotimes;	U+02A35
+&otimesas;	U+02A36
+&Otimes;	U+02A37
+&odiv;	U+02A38
+&triplus;	U+02A39
+&triminus;	U+02A3A
+&tritime;	U+02A3B
+&iprod;	U+02A3C
+&amalg;	U+02A3F
+&capdot;	U+02A40
+&ncup;	U+02A42
+&ncap;	U+02A43
+&capand;	U+02A44
+&cupor;	U+02A45
+&cupcap;	U+02A46
+&capcup;	U+02A47
+&cupbrcap;	U+02A48
+&capbrcup;	U+02A49
+&cupcup;	U+02A4A
+&capcap;	U+02A4B
+&ccups;	U+02A4C
+&ccaps;	U+02A4D
+&ccupssm;	U+02A50
+&And;	U+02A53
+&Or;	U+02A54
+&andand;	U+02A55
+&oror;	U+02A56
+&orslope;	U+02A57
+&andslope;	U+02A58
+&andv;	U+02A5A
+&orv;	U+02A5B
+&andd;	U+02A5C
+&ord;	U+02A5D
+&wedbar;	U+02A5F
+&sdote;	U+02A66
+&simdot;	U+02A6A
+&congdot;	U+02A6D
+&easter;	U+02A6E
+&apacir;	U+02A6F
+&apE;	U+02A70
+&eplus;	U+02A71
+&pluse;	U+02A72
+&Esim;	U+02A73
+&Colone;	U+02A74
+&Equal;	U+02A75
+&ddotseq;	U+02A77
+&equivDD;	U+02A78
+&ltcir;	U+02A79
+&gtcir;	U+02A7A
+&ltquest;	U+02A7B
+&gtquest;	U+02A7C
+&les;	U+02A7D
+&ges;	U+02A7E
+&lesdot;	U+02A7F
+&gesdot;	U+02A80
+&lesdoto;	U+02A81
+&gesdoto;	U+02A82
+&lesdotor;	U+02A83
+&gesdotol;	U+02A84
+&lap;	U+02A85
+&gap;	U+02A86
+&lne;	U+02A87
+&gne;	U+02A88
+&lnap;	U+02A89
+&gnap;	U+02A8A
+&lesseqqgtr;	U+02A8B
+&gEl;	U+02A8C
+&lsime;	U+02A8D
+&gsime;	U+02A8E
+&lsimg;	U+02A8F
+&gsiml;	U+02A90
+&lgE;	U+02A91
+&glE;	U+02A92
+&lesges;	U+02A93
+&gesles;	U+02A94
+&els;	U+02A95
+&egs;	U+02A96
+&elsdot;	U+02A97
+&egsdot;	U+02A98
+&el;	U+02A99
+&eg;	U+02A9A
+&siml;	U+02A9D
+&simg;	U+02A9E
+&simlE;	U+02A9F
+&simgE;	U+02AA0
+&LessLess;	U+02AA1
+&GreaterGreater;	U+02AA2
+&glj;	U+02AA4
+&gla;	U+02AA5
+&ltcc;	U+02AA6
+&gtcc;	U+02AA7
+&lescc;	U+02AA8
+&gescc;	U+02AA9
+&smt;	U+02AAA
+&lat;	U+02AAB
+&smte;	U+02AAC
+&late;	U+02AAD
+&bumpE;	U+02AAE
+&preceq;	U+02AAF
+&SucceedsEqual;	U+02AB0
+&prE;	U+02AB3
+&scE;	U+02AB4
+&precneqq;	U+02AB5
+&scnE;	U+02AB6
+&precapprox;	U+02AB7
+&succapprox;	U+02AB8
+&precnapprox;	U+02AB9
+&succnapprox;	U+02ABA
+&Pr;	U+02ABB
+&Sc;	U+02ABC
+&subdot;	U+02ABD
+&supdot;	U+02ABE
+&subplus;	U+02ABF
+&supplus;	U+02AC0
+&submult;	U+02AC1
+&supmult;	U+02AC2
+&subedot;	U+02AC3
+&supedot;	U+02AC4
+&subE;	U+02AC5
+&supseteqq;	U+02AC6
+&subsim;	U+02AC7
+&supsim;	U+02AC8
+&subsetneqq;	U+02ACB
+&supnE;	U+02ACC
+&csub;	U+02ACF
+&csup;	U+02AD0
+&csube;	U+02AD1
+&csupe;	U+02AD2
+&subsup;	U+02AD3
+&supsub;	U+02AD4
+&subsub;	U+02AD5
+&supsup;	U+02AD6
+&suphsub;	U+02AD7
+&supdsub;	U+02AD8
+&forkv;	U+02AD9
+&topfork;	U+02ADA
+&mlcp;	U+02ADB
+&Dashv;	U+02AE4
+&Vdashl;	U+02AE6
+&Barv;	U+02AE7
+&vBar;	U+02AE8
+&vBarv;	U+02AE9
+&Vbar;	U+02AEB
+&Not;	U+02AEC
+&bNot;	U+02AED
+&rnmid;	U+02AEE
+&cirmid;	U+02AEF
+&midcir;	U+02AF0
+&topcir;	U+02AF1
+&nhpar;	U+02AF2
+&parsim;	U+02AF3
+&parsl;	U+02AFD
+&fflig;	U+0FB00
+&filig;	U+0FB01
+&fllig;	U+0FB02
+&ffilig;	U+0FB03
+&ffllig;	U+0FB04
+&Ascr;	U+1D49C
+&Cscr;	U+1D49E
+&Dscr;	U+1D49F
+&Gscr;	U+1D4A2
+&Jscr;	U+1D4A5
+&Kscr;	U+1D4A6
+&Nscr;	U+1D4A9
+&Oscr;	U+1D4AA
+&Pscr;	U+1D4AB
+&Qscr;	U+1D4AC
+&Sscr;	U+1D4AE
+&Tscr;	U+1D4AF
+&Uscr;	U+1D4B0
+&Vscr;	U+1D4B1
+&Wscr;	U+1D4B2
+&Xscr;	U+1D4B3
+&Yscr;	U+1D4B4
+&Zscr;	U+1D4B5
+&ascr;	U+1D4B6
+&bscr;	U+1D4B7
+&cscr;	U+1D4B8
+&dscr;	U+1D4B9
+&fscr;	U+1D4BB
+&hscr;	U+1D4BD
+&iscr;	U+1D4BE
+&jscr;	U+1D4BF
+&kscr;	U+1D4C0
+&lscr;	U+1D4C1
+&mscr;	U+1D4C2
+&nscr;	U+1D4C3
+&pscr;	U+1D4C5
+&qscr;	U+1D4C6
+&rscr;	U+1D4C7
+&sscr;	U+1D4C8
+&tscr;	U+1D4C9
+&uscr;	U+1D4CA
+&vscr;	U+1D4CB
+&wscr;	U+1D4CC
+&xscr;	U+1D4CD
+&yscr;	U+1D4CE
+&zscr;	U+1D4CF
+&Afr;	U+1D504
+&Bfr;	U+1D505
+&Dfr;	U+1D507
+&Efr;	U+1D508
+&Ffr;	U+1D509
+&Gfr;	U+1D50A
+&Jfr;	U+1D50D
+&Kfr;	U+1D50E
+&Lfr;	U+1D50F
+&Mfr;	U+1D510
+&Nfr;	U+1D511
+&Ofr;	U+1D512
+&Pfr;	U+1D513
+&Qfr;	U+1D514
+&Sfr;	U+1D516
+&Tfr;	U+1D517
+&Ufr;	U+1D518
+&Vfr;	U+1D519
+&Wfr;	U+1D51A
+&Xfr;	U+1D51B
+&Yfr;	U+1D51C
+&afr;	U+1D51E
+&bfr;	U+1D51F
+&cfr;	U+1D520
+&dfr;	U+1D521
+&efr;	U+1D522
+&ffr;	U+1D523
+&gfr;	U+1D524
+&hfr;	U+1D525
+&ifr;	U+1D526
+&jfr;	U+1D527
+&kfr;	U+1D528
+&lfr;	U+1D529
+&mfr;	U+1D52A
+&nfr;	U+1D52B
+&ofr;	U+1D52C
+&pfr;	U+1D52D
+&qfr;	U+1D52E
+&rfr;	U+1D52F
+&sfr;	U+1D530
+&tfr;	U+1D531
+&ufr;	U+1D532
+&vfr;	U+1D533
+&wfr;	U+1D534
+&xfr;	U+1D535
+&yfr;	U+1D536
+&zfr;	U+1D537
+&Aopf;	U+1D538
+&Bopf;	U+1D539
+&Dopf;	U+1D53B
+&Eopf;	U+1D53C
+&Fopf;	U+1D53D
+&Gopf;	U+1D53E
+&Iopf;	U+1D540
+&Jopf;	U+1D541
+&Kopf;	U+1D542
+&Lopf;	U+1D543
+&Mopf;	U+1D544
+&Oopf;	U+1D546
+&Sopf;	U+1D54A
+&Topf;	U+1D54B
+&Uopf;	U+1D54C
+&Vopf;	U+1D54D
+&Wopf;	U+1D54E
+&Xopf;	U+1D54F
+&Yopf;	U+1D550
+&aopf;	U+1D552
+&bopf;	U+1D553
+&copf;	U+1D554
+&dopf;	U+1D555
+&eopf;	U+1D556
+&fopf;	U+1D557
+&gopf;	U+1D558
+&hopf;	U+1D559
+&iopf;	U+1D55A
+&jopf;	U+1D55B
+&kopf;	U+1D55C
+&lopf;	U+1D55D
+&mopf;	U+1D55E
+&nopf;	U+1D55F
+&oopf;	U+1D560
+&popf;	U+1D561
+&qopf;	U+1D562
+&ropf;	U+1D563
+&sopf;	U+1D564
+&topf;	U+1D565
+&uopf;	U+1D566
+&vopf;	U+1D567
+&wopf;	U+1D568
+&xopf;	U+1D569
+&yopf;	U+1D56A
+&zopf;	U+1D56B
+&nvlt;	U+0003C U+020D2
+&bne;	U+0003D U+020E5
+&nvgt;	U+0003E U+020D2
+&fjlig;	U+00066 U+0006A
+&ThickSpace;	U+0205F U+0200A
+&nrarrw;	U+0219D U+00338
+&npart;	U+02202 U+00338
+&nang;	U+02220 U+020D2
+&caps;	U+02229 U+0FE00
+&cups;	U+0222A U+0FE00
+&nvsim;	U+0223C U+020D2
+&race;	U+0223D U+00331
+&acE;	U+0223E U+00333
+&nesim;	U+02242 U+00338
+&napid;	U+0224B U+00338
+&nvap;	U+0224D U+020D2
+&nbump;	U+0224E U+00338
+&nbumpe;	U+0224F U+00338
+&nedot;	U+02250 U+00338
+&bnequiv;	U+02261 U+020E5
+&nvle;	U+02264 U+020D2
+&nvge;	U+02265 U+020D2
+&nlE;	U+02266 U+00338
+&NotGreaterFullEqual;	U+02267 U+00338
+&lvertneqq;	U+02268 U+0FE00
+&gvertneqq;	U+02269 U+0FE00
+&nLtv;	U+0226A U+00338
+&nLt;	U+0226A U+020D2
+&NotGreaterGreater;	U+0226B U+00338
+&nGt;	U+0226B U+020D2
+&NotSucceedsTilde;	U+0227F U+00338
+&vnsub;	U+02282 U+020D2
+&nsupset;	U+02283 U+020D2
+&vsubne;	U+0228A U+0FE00
+&vsupne;	U+0228B U+0FE00
+&NotSquareSubset;	U+0228F U+00338
+&NotSquareSuperset;	U+02290 U+00338
+&sqcaps;	U+02293 U+0FE00
+&sqcups;	U+02294 U+0FE00
+&nvltrie;	U+022B4 U+020D2
+&nvrtrie;	U+022B5 U+020D2
+&nLl;	U+022D8 U+00338
+&nGg;	U+022D9 U+00338
+&lesg;	U+022DA U+0FE00
+&gesl;	U+022DB U+0FE00
+&notindot;	U+022F5 U+00338
+&notinE;	U+022F9 U+00338
+&nrarrc;	U+02933 U+00338
+&NotLeftTriangleBar;	U+029CF U+00338
+&NotRightTriangleBar;	U+029D0 U+00338
+&ncongdot;	U+02A6D U+00338
+&napE;	U+02A70 U+00338
+&nles;	U+02A7D U+00338
+&nges;	U+02A7E U+00338
+&NotNestedLessLess;	U+02AA1 U+00338
+&NotNestedGreaterGreater;	U+02AA2 U+00338
+&smtes;	U+02AAC U+0FE00
+&lates;	U+02AAD U+0FE00
+&NotPrecedesEqual;	U+02AAF U+00338
+&NotSucceedsEqual;	U+02AB0 U+00338
+&nsubE;	U+02AC5 U+00338
+&nsupseteqq;	U+02AC6 U+00338
+&vsubnE;	U+02ACB U+0FE00
+&varsupsetneqq;	U+02ACC U+0FE00
+&parsl;︀	U+02AFD U+0FE00
diff --git a/tests/std/strings/htmlspecialchars.phpt b/tests/std/strings/htmlspecialchars.phpt
new file mode 100644
index 00000000..a7aeb31c
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars.phpt
@@ -0,0 +1,309 @@
+--TEST--
+Test htmlspecialchars() function
+--FILE--
+<?php
+/* retrieving htmlspecialchars from the ANSI character table */
+echo "*** Retrieving htmlspecialchars for 256 characters ***\n";
+for($i=0; $i<256; $i++)
+var_dump( bin2hex( htmlspecialchars("chr($i)") ) );
+
+/* giving NULL as the argument */
+echo "\n*** Testing htmlspecialchars() with NULL as first, second and third argument ***\n";
+var_dump( htmlspecialchars("<br>", ENT_NOQUOTES, NULL) );
+var_dump( htmlspecialchars("<br>", ENT_QUOTES, NULL) );
+var_dump( htmlspecialchars("<br>", ENT_COMPAT, NULL) );
+
+/* giving long string to check for proper memory re-allocation */
+echo "\n*** Checking a long string for proper memory allocation ***\n";
+var_dump( htmlspecialchars("<br>Testing<p>New file.</p><p><br>File <b><i><u>WORKS!!!</i></u></b></p><br><p>End of file!!!</p>", ENT_QUOTES, 'iso-8859-1' ) );
+
+/* Giving a normal string */
+echo "\n*** Testing a normal string with htmlspecialchars() ***\n";
+var_dump( htmlspecialchars("<br>Testing<p>New file.</p> ", ENT_QUOTES, 'iso-8859-1' ) );
+
+/* checking behavior of quote */
+echo "\n*** Testing htmlspecialchars() on a quote...\n";
+$str = "A 'quote' is <b>bold</b>";
+var_dump( htmlspecialchars($str) );
+var_dump( htmlspecialchars($str, ENT_QUOTES) );
+var_dump( htmlspecialchars($str, ENT_NOQUOTES) );
+var_dump( htmlspecialchars($str, ENT_COMPAT) );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Retrieving htmlspecialchars for 256 characters ***
+string(12) "636872283029"
+string(12) "636872283129"
+string(12) "636872283229"
+string(12) "636872283329"
+string(12) "636872283429"
+string(12) "636872283529"
+string(12) "636872283629"
+string(12) "636872283729"
+string(12) "636872283829"
+string(12) "636872283929"
+string(14) "63687228313029"
+string(14) "63687228313129"
+string(14) "63687228313229"
+string(14) "63687228313329"
+string(14) "63687228313429"
+string(14) "63687228313529"
+string(14) "63687228313629"
+string(14) "63687228313729"
+string(14) "63687228313829"
+string(14) "63687228313929"
+string(14) "63687228323029"
+string(14) "63687228323129"
+string(14) "63687228323229"
+string(14) "63687228323329"
+string(14) "63687228323429"
+string(14) "63687228323529"
+string(14) "63687228323629"
+string(14) "63687228323729"
+string(14) "63687228323829"
+string(14) "63687228323929"
+string(14) "63687228333029"
+string(14) "63687228333129"
+string(14) "63687228333229"
+string(14) "63687228333329"
+string(14) "63687228333429"
+string(14) "63687228333529"
+string(14) "63687228333629"
+string(14) "63687228333729"
+string(14) "63687228333829"
+string(14) "63687228333929"
+string(14) "63687228343029"
+string(14) "63687228343129"
+string(14) "63687228343229"
+string(14) "63687228343329"
+string(14) "63687228343429"
+string(14) "63687228343529"
+string(14) "63687228343629"
+string(14) "63687228343729"
+string(14) "63687228343829"
+string(14) "63687228343929"
+string(14) "63687228353029"
+string(14) "63687228353129"
+string(14) "63687228353229"
+string(14) "63687228353329"
+string(14) "63687228353429"
+string(14) "63687228353529"
+string(14) "63687228353629"
+string(14) "63687228353729"
+string(14) "63687228353829"
+string(14) "63687228353929"
+string(14) "63687228363029"
+string(14) "63687228363129"
+string(14) "63687228363229"
+string(14) "63687228363329"
+string(14) "63687228363429"
+string(14) "63687228363529"
+string(14) "63687228363629"
+string(14) "63687228363729"
+string(14) "63687228363829"
+string(14) "63687228363929"
+string(14) "63687228373029"
+string(14) "63687228373129"
+string(14) "63687228373229"
+string(14) "63687228373329"
+string(14) "63687228373429"
+string(14) "63687228373529"
+string(14) "63687228373629"
+string(14) "63687228373729"
+string(14) "63687228373829"
+string(14) "63687228373929"
+string(14) "63687228383029"
+string(14) "63687228383129"
+string(14) "63687228383229"
+string(14) "63687228383329"
+string(14) "63687228383429"
+string(14) "63687228383529"
+string(14) "63687228383629"
+string(14) "63687228383729"
+string(14) "63687228383829"
+string(14) "63687228383929"
+string(14) "63687228393029"
+string(14) "63687228393129"
+string(14) "63687228393229"
+string(14) "63687228393329"
+string(14) "63687228393429"
+string(14) "63687228393529"
+string(14) "63687228393629"
+string(14) "63687228393729"
+string(14) "63687228393829"
+string(14) "63687228393929"
+string(16) "6368722831303029"
+string(16) "6368722831303129"
+string(16) "6368722831303229"
+string(16) "6368722831303329"
+string(16) "6368722831303429"
+string(16) "6368722831303529"
+string(16) "6368722831303629"
+string(16) "6368722831303729"
+string(16) "6368722831303829"
+string(16) "6368722831303929"
+string(16) "6368722831313029"
+string(16) "6368722831313129"
+string(16) "6368722831313229"
+string(16) "6368722831313329"
+string(16) "6368722831313429"
+string(16) "6368722831313529"
+string(16) "6368722831313629"
+string(16) "6368722831313729"
+string(16) "6368722831313829"
+string(16) "6368722831313929"
+string(16) "6368722831323029"
+string(16) "6368722831323129"
+string(16) "6368722831323229"
+string(16) "6368722831323329"
+string(16) "6368722831323429"
+string(16) "6368722831323529"
+string(16) "6368722831323629"
+string(16) "6368722831323729"
+string(16) "6368722831323829"
+string(16) "6368722831323929"
+string(16) "6368722831333029"
+string(16) "6368722831333129"
+string(16) "6368722831333229"
+string(16) "6368722831333329"
+string(16) "6368722831333429"
+string(16) "6368722831333529"
+string(16) "6368722831333629"
+string(16) "6368722831333729"
+string(16) "6368722831333829"
+string(16) "6368722831333929"
+string(16) "6368722831343029"
+string(16) "6368722831343129"
+string(16) "6368722831343229"
+string(16) "6368722831343329"
+string(16) "6368722831343429"
+string(16) "6368722831343529"
+string(16) "6368722831343629"
+string(16) "6368722831343729"
+string(16) "6368722831343829"
+string(16) "6368722831343929"
+string(16) "6368722831353029"
+string(16) "6368722831353129"
+string(16) "6368722831353229"
+string(16) "6368722831353329"
+string(16) "6368722831353429"
+string(16) "6368722831353529"
+string(16) "6368722831353629"
+string(16) "6368722831353729"
+string(16) "6368722831353829"
+string(16) "6368722831353929"
+string(16) "6368722831363029"
+string(16) "6368722831363129"
+string(16) "6368722831363229"
+string(16) "6368722831363329"
+string(16) "6368722831363429"
+string(16) "6368722831363529"
+string(16) "6368722831363629"
+string(16) "6368722831363729"
+string(16) "6368722831363829"
+string(16) "6368722831363929"
+string(16) "6368722831373029"
+string(16) "6368722831373129"
+string(16) "6368722831373229"
+string(16) "6368722831373329"
+string(16) "6368722831373429"
+string(16) "6368722831373529"
+string(16) "6368722831373629"
+string(16) "6368722831373729"
+string(16) "6368722831373829"
+string(16) "6368722831373929"
+string(16) "6368722831383029"
+string(16) "6368722831383129"
+string(16) "6368722831383229"
+string(16) "6368722831383329"
+string(16) "6368722831383429"
+string(16) "6368722831383529"
+string(16) "6368722831383629"
+string(16) "6368722831383729"
+string(16) "6368722831383829"
+string(16) "6368722831383929"
+string(16) "6368722831393029"
+string(16) "6368722831393129"
+string(16) "6368722831393229"
+string(16) "6368722831393329"
+string(16) "6368722831393429"
+string(16) "6368722831393529"
+string(16) "6368722831393629"
+string(16) "6368722831393729"
+string(16) "6368722831393829"
+string(16) "6368722831393929"
+string(16) "6368722832303029"
+string(16) "6368722832303129"
+string(16) "6368722832303229"
+string(16) "6368722832303329"
+string(16) "6368722832303429"
+string(16) "6368722832303529"
+string(16) "6368722832303629"
+string(16) "6368722832303729"
+string(16) "6368722832303829"
+string(16) "6368722832303929"
+string(16) "6368722832313029"
+string(16) "6368722832313129"
+string(16) "6368722832313229"
+string(16) "6368722832313329"
+string(16) "6368722832313429"
+string(16) "6368722832313529"
+string(16) "6368722832313629"
+string(16) "6368722832313729"
+string(16) "6368722832313829"
+string(16) "6368722832313929"
+string(16) "6368722832323029"
+string(16) "6368722832323129"
+string(16) "6368722832323229"
+string(16) "6368722832323329"
+string(16) "6368722832323429"
+string(16) "6368722832323529"
+string(16) "6368722832323629"
+string(16) "6368722832323729"
+string(16) "6368722832323829"
+string(16) "6368722832323929"
+string(16) "6368722832333029"
+string(16) "6368722832333129"
+string(16) "6368722832333229"
+string(16) "6368722832333329"
+string(16) "6368722832333429"
+string(16) "6368722832333529"
+string(16) "6368722832333629"
+string(16) "6368722832333729"
+string(16) "6368722832333829"
+string(16) "6368722832333929"
+string(16) "6368722832343029"
+string(16) "6368722832343129"
+string(16) "6368722832343229"
+string(16) "6368722832343329"
+string(16) "6368722832343429"
+string(16) "6368722832343529"
+string(16) "6368722832343629"
+string(16) "6368722832343729"
+string(16) "6368722832343829"
+string(16) "6368722832343929"
+string(16) "6368722832353029"
+string(16) "6368722832353129"
+string(16) "6368722832353229"
+string(16) "6368722832353329"
+string(16) "6368722832353429"
+string(16) "6368722832353529"
+
+*** Testing htmlspecialchars() with NULL as first, second and third argument ***
+string(10) "&lt;br&gt;"
+string(10) "&lt;br&gt;"
+string(10) "&lt;br&gt;"
+
+*** Checking a long string for proper memory allocation ***
+string(187) "&lt;br&gt;Testing&lt;p&gt;New file.&lt;/p&gt;&lt;p&gt;&lt;br&gt;File &lt;b&gt;&lt;i&gt;&lt;u&gt;WORKS!!!&lt;/i&gt;&lt;/u&gt;&lt;/b&gt;&lt;/p&gt;&lt;br&gt;&lt;p&gt;End of file!!!&lt;/p&gt;"
+
+*** Testing a normal string with htmlspecialchars() ***
+string(46) "&lt;br&gt;Testing&lt;p&gt;New file.&lt;/p&gt; "
+
+*** Testing htmlspecialchars() on a quote...
+string(46) "A &#039;quote&#039; is &lt;b&gt;bold&lt;/b&gt;"
+string(46) "A &#039;quote&#039; is &lt;b&gt;bold&lt;/b&gt;"
+string(36) "A 'quote' is &lt;b&gt;bold&lt;/b&gt;"
+string(36) "A 'quote' is &lt;b&gt;bold&lt;/b&gt;"
+Done
diff --git a/tests/std/strings/htmlspecialchars_basic.phpt b/tests/std/strings/htmlspecialchars_basic.phpt
new file mode 100644
index 00000000..c86692aa
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_basic.phpt
@@ -0,0 +1,90 @@
+--TEST--
+Test htmlspecialchars() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing htmlspecialchars() : basic functionality ***\n";
+
+$s1 = "abc<>\"&\n";
+$s2 = "&&abc<>\"&\n";
+$s3 = "a>,\<bc<>\"&\n";
+$s4 = "a\'\'&bc<>\"&\n";
+$s5 = "&amp;&lt;\n";
+echo "Basic tests\n";
+echo "Test 1: " . htmlspecialchars ($s1);
+echo "Test 2: " . htmlspecialchars ($s2);
+echo "Test 3: " . htmlspecialchars ($s3);
+echo "Test 4: " . htmlspecialchars ($s4);
+echo "Test 5: " . htmlspecialchars ($s5);
+echo "Test 6: " . htmlspecialchars ($s1,ENT_NOQUOTES);
+echo "Test 7: " . htmlspecialchars ($s2,ENT_NOQUOTES);
+echo "Test 8: " . htmlspecialchars ($s3,ENT_NOQUOTES);
+echo "Test 9: " . htmlspecialchars ($s4,ENT_NOQUOTES);
+echo "Test 10: " . htmlspecialchars ($s5,ENT_NOQUOTES);
+echo "Test 11: " . htmlspecialchars ($s1,ENT_COMPAT);
+echo "Test 12: " . htmlspecialchars ($s2,ENT_COMPAT);
+echo "Test 13: " . htmlspecialchars ($s3,ENT_COMPAT);
+echo "Test 14: " . htmlspecialchars ($s4,ENT_COMPAT);
+echo "Test 15: " . htmlspecialchars ($s5,ENT_COMPAT);
+echo "Test 16: " . htmlspecialchars ($s1,ENT_QUOTES);
+echo "Test 17: " . htmlspecialchars ($s2,ENT_QUOTES);
+echo "Test 18: " . htmlspecialchars ($s3,ENT_QUOTES);
+echo "Test 19: " . htmlspecialchars ($s4,ENT_QUOTES);
+echo "Test 20: " . htmlspecialchars ($s5,ENT_QUOTES);
+
+echo "\nTry with char set option - specify default ISO-8859-1\n";
+echo  "Test 21: " . htmlspecialchars ($s1,ENT_NOQUOTES, "ISO-8859-1");
+echo  "Test 22: " . htmlspecialchars ($s2,ENT_COMPAT, "ISO-8859-1");
+echo  "Test 23: " . htmlspecialchars ($s3,ENT_QUOTES, "ISO-8859-1");
+echo  "Test 24: " . htmlspecialchars ($s5,ENT_QUOTES, "ISO-8859-1");
+
+echo "\nTry with double decode FALSE\n";
+$s1 = "&quot;&amp;xyz&gt;abc&quot;\n";
+$s2 = "&quot;&amp;123&lt;456&quot;\n";
+$s3 = "\"300 < 400\"\n";
+echo  "Test 25: " . htmlspecialchars ($s1,ENT_NOQUOTES, "ISO-8859-1", false);
+echo  "Test 26: " . htmlspecialchars ($s2,ENT_NOQUOTES, "ISO-8859-1", false);
+echo  "Test 27: " . htmlspecialchars ($s3,ENT_NOQUOTES, "ISO-8859-1", false);
+
+echo "\nTry with double decode TRUE\n";
+echo  "Test 28: " . htmlspecialchars ($s1, ENT_NOQUOTES, "ISO-8859-1", true);
+echo  "Test 29: " . htmlspecialchars ($s2, ENT_NOQUOTES, "ISO-8859-1", true);
+
+?>
+--EXPECT--
+*** Testing htmlspecialchars() : basic functionality ***
+Basic tests
+Test 1: abc&lt;&gt;&quot;&amp;
+Test 2: &amp;&amp;abc&lt;&gt;&quot;&amp;
+Test 3: a&gt;,\&lt;bc&lt;&gt;&quot;&amp;
+Test 4: a\&#039;\&#039;&amp;bc&lt;&gt;&quot;&amp;
+Test 5: &amp;amp;&amp;lt;
+Test 6: abc&lt;&gt;"&amp;
+Test 7: &amp;&amp;abc&lt;&gt;"&amp;
+Test 8: a&gt;,\&lt;bc&lt;&gt;"&amp;
+Test 9: a\'\'&amp;bc&lt;&gt;"&amp;
+Test 10: &amp;amp;&amp;lt;
+Test 11: abc&lt;&gt;&quot;&amp;
+Test 12: &amp;&amp;abc&lt;&gt;&quot;&amp;
+Test 13: a&gt;,\&lt;bc&lt;&gt;&quot;&amp;
+Test 14: a\'\'&amp;bc&lt;&gt;&quot;&amp;
+Test 15: &amp;amp;&amp;lt;
+Test 16: abc&lt;&gt;&quot;&amp;
+Test 17: &amp;&amp;abc&lt;&gt;&quot;&amp;
+Test 18: a&gt;,\&lt;bc&lt;&gt;&quot;&amp;
+Test 19: a\&#039;\&#039;&amp;bc&lt;&gt;&quot;&amp;
+Test 20: &amp;amp;&amp;lt;
+
+Try with char set option - specify default ISO-8859-1
+Test 21: abc&lt;&gt;"&amp;
+Test 22: &amp;&amp;abc&lt;&gt;&quot;&amp;
+Test 23: a&gt;,\&lt;bc&lt;&gt;&quot;&amp;
+Test 24: &amp;amp;&amp;lt;
+
+Try with double decode FALSE
+Test 25: &quot;&amp;xyz&gt;abc&quot;
+Test 26: &quot;&amp;123&lt;456&quot;
+Test 27: "300 &lt; 400"
+
+Try with double decode TRUE
+Test 28: &amp;quot;&amp;amp;xyz&amp;gt;abc&amp;quot;
+Test 29: &amp;quot;&amp;amp;123&amp;lt;456&amp;quot;
diff --git a/tests/std/strings/htmlspecialchars_decode_basic.phpt b/tests/std/strings/htmlspecialchars_decode_basic.phpt
new file mode 100644
index 00000000..ad9df68f
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_decode_basic.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test htmlspecialchars_decode() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing htmlspecialchars_decode() : basic functionality ***\n";
+
+
+// Initialise arguments
+//value initialized = Roy's height > Sam's height. 13 < 25. 1111 & 0000 = 0000. "double quoted string"
+$single_quote_string = "Roy&#039;s height &gt; Sam&#039;s height. 13 &lt; 25. 1111 &amp; 0000 = 0000. &quot; double quoted string &quot;";
+$double_quote_string = "Roy&#039;s height &gt; Sam&#039;s height. 13 &lt; 25. 1111 &amp; 0000 = 0000. &quot; double quoted string &quot;";
+
+// Calling htmlspecialchars_decode() with default arguments
+var_dump( htmlspecialchars_decode($single_quote_string) );
+var_dump( htmlspecialchars_decode($double_quote_string) );
+
+// Calling htmlspecialchars_decode() with optional 'quote_style' argument
+var_dump( htmlspecialchars_decode($single_quote_string, ENT_COMPAT) );
+var_dump( htmlspecialchars_decode($double_quote_string, ENT_COMPAT) );
+var_dump( htmlspecialchars_decode($single_quote_string, ENT_NOQUOTES) );
+var_dump( htmlspecialchars_decode($double_quote_string, ENT_NOQUOTES) );
+var_dump( htmlspecialchars_decode($single_quote_string, ENT_QUOTES) );
+var_dump( htmlspecialchars_decode($double_quote_string, ENT_QUOTES) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing htmlspecialchars_decode() : basic functionality ***
+string(82) "Roy's height > Sam's height. 13 < 25. 1111 & 0000 = 0000. " double quoted string ""
+string(82) "Roy's height > Sam's height. 13 < 25. 1111 & 0000 = 0000. " double quoted string ""
+string(92) "Roy&#039;s height > Sam&#039;s height. 13 < 25. 1111 & 0000 = 0000. " double quoted string ""
+string(92) "Roy&#039;s height > Sam&#039;s height. 13 < 25. 1111 & 0000 = 0000. " double quoted string ""
+string(102) "Roy&#039;s height > Sam&#039;s height. 13 < 25. 1111 & 0000 = 0000. &quot; double quoted string &quot;"
+string(102) "Roy&#039;s height > Sam&#039;s height. 13 < 25. 1111 & 0000 = 0000. &quot; double quoted string &quot;"
+string(82) "Roy's height > Sam's height. 13 < 25. 1111 & 0000 = 0000. " double quoted string ""
+string(82) "Roy's height > Sam's height. 13 < 25. 1111 & 0000 = 0000. " double quoted string ""
+Done
diff --git a/tests/std/strings/htmlspecialchars_decode_variation3.phpt b/tests/std/strings/htmlspecialchars_decode_variation3.phpt
new file mode 100644
index 00000000..98d4684d
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_decode_variation3.phpt
@@ -0,0 +1,94 @@
+--TEST--
+Test htmlspecialchars_decode() function : usage variations - heredoc strings for 'string' argument
+--FILE--
+<?php
+/*
+ * testing htmlspecialchars_decode() with various heredoc strings as argument for $string
+*/
+
+echo "*** Testing htmlspecialchars_decode() : usage variations ***\n";
+
+// empty heredoc string
+$empty_string = <<<EOT
+EOT;
+
+// Heredoc string with blank line
+$blank_line = <<<EOT
+
+EOT;
+
+// heredoc with multiline string
+$multiline_string = <<<EOT
+<html>Roy&#039;s height &gt; Sam&#039;s height
+13 &lt; 25
+1111 &amp; 0000 = 0000
+&quot;This is a double quoted string&quot;
+EOT;
+
+// heredoc with different whitespaces
+$diff_whitespaces = <<<EOT
+<html>Roy&#039;s height\r &gt; Sam\t&#039;s height
+1111\t\t &amp; 0000\v\v = \f0000
+&quot; heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces&quot;
+EOT;
+
+// heredoc with numeric values
+$numeric_string = <<<EOT
+<html>11 &lt; 12. 123 string 4567
+&quot;string&quot; 1111\t &amp; 0000\t = 0000\n;
+EOT;
+
+// heredoc with quote chars & slash
+$quote_char_string = <<<EOT
+<html>&lt; This's a string with quotes:
+"strings in double quote" &amp;
+'strings in single quote' &quot;
+this\line is &#039;single quoted&#039; /with\slashes </html>
+EOT;
+
+$res_heredoc_strings = array(
+  //heredoc strings
+  $empty_string,
+  $blank_line,
+  $multiline_string,
+  $diff_whitespaces,
+  $numeric_string,
+  $quote_char_string
+);
+
+// loop through $res_heredoc_strings array and check the working on htmlspecialchars_decode()
+$count = 1;
+for($index =0; $index < count($res_heredoc_strings); $index ++) {
+  echo "-- Iteration $count --\n";
+  var_dump( htmlspecialchars_decode($res_heredoc_strings[$index]) );
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing htmlspecialchars_decode() : usage variations ***
+-- Iteration 1 --
+string(0) ""
+-- Iteration 2 --
+string(0) ""
+-- Iteration 3 --
+string(93) "<html>Roy's height > Sam's height
+13 < 25
+1111 & 0000 = 0000
+"This is a double quoted string""
+-- Iteration 4 --
+string(120) "<html>Roy's height
 > Sam	's height
+1111		 & 0000 = 0000
+" heredoc
+double quoted string. withdifferentwhitespaces""
+-- Iteration 5 --
+string(62) "<html>11 < 12. 123 string 4567
+"string" 1111	 & 0000	 = 0000
+;"
+-- Iteration 6 --
+string(143) "<html>< This's a string with quotes:
+"strings in double quote" &
+'strings in single quote' "
+this\line is 'single quoted' /with\slashes </html>"
+Done
diff --git a/tests/std/strings/htmlspecialchars_decode_variation4.phpt b/tests/std/strings/htmlspecialchars_decode_variation4.phpt
new file mode 100644
index 00000000..00d4e9a1
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_decode_variation4.phpt
@@ -0,0 +1,60 @@
+--TEST--
+Test htmlspecialchars_decode() function : usage variations - single quoted strings for 'string' argument
+--FILE--
+<?php
+/*
+ * Testing htmlspecialchars_decode() with various single quoted strings as argument for $string
+*/
+
+echo "*** Testing htmlspecialchars_decode() : usage variations ***\n";
+
+//single quoted strings
+$values = array (
+  'Roy&#039s height &gt; Sam&#039;s \$height... 1111 &ap; 0000 = 0000... &quot; double quote string &quot;',
+  'Roy&#039;s height &gt; Sam&#039;s height... \t\t 13 &lt; 15...\n\r &quot; double quote\f\v string &quot;',
+  '\nRoy&#039;s height &gt\t; Sam&#039;s\v height\f',
+  '\r\tRoy&#039;s height &gt\r; Sam\t&#039;s height',
+  '\n 1\t3 &\tgt; 11 but 11 &\tlt; 12',
+);
+
+// loop through each element of the values array to check htmlspecialchars_decode() function with all possible arguments
+$iterator = 1;
+foreach($values as $value) {
+      echo "-- Iteration $iterator --\n";
+      var_dump( htmlspecialchars_decode($value) );
+      var_dump( htmlspecialchars_decode($value, ENT_COMPAT) );
+      var_dump( htmlspecialchars_decode($value, ENT_NOQUOTES) );
+      var_dump( htmlspecialchars_decode($value, ENT_QUOTES) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing htmlspecialchars_decode() : usage variations ***
+-- Iteration 1 --
+string(85) "Roy&#039s height > Sam's \$height... 1111 &ap; 0000 = 0000... " double quote string ""
+string(90) "Roy&#039s height > Sam&#039;s \$height... 1111 &ap; 0000 = 0000... " double quote string ""
+string(100) "Roy&#039s height > Sam&#039;s \$height... 1111 &ap; 0000 = 0000... &quot; double quote string &quot;"
+string(85) "Roy&#039s height > Sam's \$height... 1111 &ap; 0000 = 0000... " double quote string ""
+-- Iteration 2 --
+string(78) "Roy's height > Sam's height... \t\t 13 < 15...\n\r " double quote\f\v string ""
+string(88) "Roy&#039;s height > Sam&#039;s height... \t\t 13 < 15...\n\r " double quote\f\v string ""
+string(98) "Roy&#039;s height > Sam&#039;s height... \t\t 13 < 15...\n\r &quot; double quote\f\v string &quot;"
+string(78) "Roy's height > Sam's height... \t\t 13 < 15...\n\r " double quote\f\v string ""
+-- Iteration 3 --
+string(38) "\nRoy's height &gt\t; Sam's\v height\f"
+string(48) "\nRoy&#039;s height &gt\t; Sam&#039;s\v height\f"
+string(48) "\nRoy&#039;s height &gt\t; Sam&#039;s\v height\f"
+string(38) "\nRoy's height &gt\t; Sam's\v height\f"
+-- Iteration 4 --
+string(38) "\r\tRoy's height &gt\r; Sam\t's height"
+string(48) "\r\tRoy&#039;s height &gt\r; Sam\t&#039;s height"
+string(48) "\r\tRoy&#039;s height &gt\r; Sam\t&#039;s height"
+string(38) "\r\tRoy's height &gt\r; Sam\t's height"
+-- Iteration 5 --
+string(34) "\n 1\t3 &\tgt; 11 but 11 &\tlt; 12"
+string(34) "\n 1\t3 &\tgt; 11 but 11 &\tlt; 12"
+string(34) "\n 1\t3 &\tgt; 11 but 11 &\tlt; 12"
+string(34) "\n 1\t3 &\tgt; 11 but 11 &\tlt; 12"
+Done
diff --git a/tests/std/strings/htmlspecialchars_decode_variation5.phpt b/tests/std/strings/htmlspecialchars_decode_variation5.phpt
new file mode 100644
index 00000000..3f235944
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_decode_variation5.phpt
@@ -0,0 +1,71 @@
+--TEST--
+Test htmlspecialchars_decode() function : usage variations - double quoted strings for 'string' argument
+--FILE--
+<?php
+/*
+ * testing htmlspecialchars_decode() for various double quoted strings as argument for $string
+*/
+echo "*** Testing htmlspecialchars_decode() : usage variations ***\n";
+
+//double quoted strings
+$strings = array (
+  "Roy&#039s height &gt; Sam&#039;s \$height... 1111 &ap; 0000 = 0000... &quot; double quote string &quot;",
+  "Roy&#039;s height &gt; Sam&#039;s height... \t\t 13 &lt; 15...\n\r &quot; double quote\f\v string &quot;",
+  "\nRoy&#039;s height &gt\t; Sam&#039;s\v height\f",
+  "\r\tRoy&#039;s height &gt\r; Sam\t&#039;s height",
+  "\n 1\t3 &\tgt; 11 but 11 &\tlt; 12",
+);
+
+// loop through each element of the array to check htmlspecialchars_decode() function with all possible arguments
+$iterator = 1;
+foreach($strings as $value) {
+      echo "-- Iteration $iterator --\n";
+      var_dump( htmlspecialchars_decode($value) );
+      var_dump( htmlspecialchars_decode($value, ENT_COMPAT) );
+      var_dump( htmlspecialchars_decode($value, ENT_NOQUOTES) );
+      var_dump( htmlspecialchars_decode($value, ENT_QUOTES) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing htmlspecialchars_decode() : usage variations ***
+-- Iteration 1 --
+string(84) "Roy&#039s height > Sam's $height... 1111 &ap; 0000 = 0000... " double quote string ""
+string(89) "Roy&#039s height > Sam&#039;s $height... 1111 &ap; 0000 = 0000... " double quote string ""
+string(99) "Roy&#039s height > Sam&#039;s $height... 1111 &ap; 0000 = 0000... &quot; double quote string &quot;"
+string(84) "Roy&#039s height > Sam's $height... 1111 &ap; 0000 = 0000... " double quote string ""
+-- Iteration 2 --
+string(72) "Roy's height > Sam's height... 		 13 < 15...
+
 " double quote string ""
+string(82) "Roy&#039;s height > Sam&#039;s height... 		 13 < 15...
+
 " double quote string ""
+string(92) "Roy&#039;s height > Sam&#039;s height... 		 13 < 15...
+
 &quot; double quote string &quot;"
+string(72) "Roy's height > Sam's height... 		 13 < 15...
+
 " double quote string ""
+-- Iteration 3 --
+string(34) "
+Roy's height &gt	; Sam's height"
+string(44) "
+Roy&#039;s height &gt	; Sam&#039;s height"
+string(44) "
+Roy&#039;s height &gt	; Sam&#039;s height"
+string(34) "
+Roy's height &gt	; Sam's height"
+-- Iteration 4 --
+string(34) "
	Roy's height &gt
; Sam	's height"
+string(44) "
	Roy&#039;s height &gt
; Sam	&#039;s height"
+string(44) "
	Roy&#039;s height &gt
; Sam	&#039;s height"
+string(34) "
	Roy's height &gt
; Sam	's height"
+-- Iteration 5 --
+string(30) "
+ 1	3 &	gt; 11 but 11 &	lt; 12"
+string(30) "
+ 1	3 &	gt; 11 but 11 &	lt; 12"
+string(30) "
+ 1	3 &	gt; 11 but 11 &	lt; 12"
+string(30) "
+ 1	3 &	gt; 11 but 11 &	lt; 12"
+Done
diff --git a/tests/std/strings/htmlspecialchars_decode_variation6.phpt b/tests/std/strings/htmlspecialchars_decode_variation6.phpt
new file mode 100644
index 00000000..4539707c
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_decode_variation6.phpt
@@ -0,0 +1,45 @@
+--TEST--
+Test htmlspecialchars_decode() function : usage variations - binary safe
+--FILE--
+<?php
+/*
+ * testing whether htmlspecialchars_decode() is binary safe or not
+*/
+
+echo "*** Testing htmlspecialchars_decode() : usage variations ***\n";
+
+//various string inputs
+$strings = array (
+  "\tHello \$world ".chr(0)."\&!)The big brown fox jumped over the\t\f lazy dog\v\n",
+  "\tHello \"world\"\t\v \0 This is a valid\t string",
+  "This converts\t decimal to \$string".decbin(65)."Hello world",
+  "This is a binary\t \v\fstring"
+);
+
+//loop through the strings array to check if htmlspecialchars_decode() is binary safe
+$iterator = 1;
+foreach($strings as $value) {
+      echo "-- Iteration $iterator --\n";
+      if ($iterator < 4) {
+        var_dump( htmlspecialchars_decode($value) );
+      } else {
+        var_dump( bin2hex(htmlspecialchars_decode($value)));
+      }
+
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing htmlspecialchars_decode() : usage variations ***
+-- Iteration 1 --
+string(65) "	Hello $world %0\&!)The big brown fox jumped over the	 lazy dog
+"
+-- Iteration 2 --
+string(42) "	Hello "world"	 %0 This is a valid	 string"
+-- Iteration 3 --
+string(51) "This converts	 decimal to $string1000001Hello world"
+-- Iteration 4 --
+string(52) "5468697320697320612062696e61727909200b0c737472696e67"
+Done
diff --git a/tests/std/strings/htmlspecialchars_decode_variation7.phpt b/tests/std/strings/htmlspecialchars_decode_variation7.phpt
new file mode 100644
index 00000000..20669b35
--- /dev/null
+++ b/tests/std/strings/htmlspecialchars_decode_variation7.phpt
@@ -0,0 +1,192 @@
+--TEST--
+Test htmlspecialchars_decode() function : usage variations - numerical entities for basic characters
+--FILE--
+<?php
+$tests = array(
+    "&quot;", "&#x22;", "&#34;",
+    "&apos;", "&#39;", "&#x27;",
+    "&amp;", "&#x26;", "&lt;",
+    "&gt;", "&#x3C;", "&#60;",
+    "&lt;", "&#x3E;", "&#62;",
+    "&#63;"
+);
+
+echo "*** HTML 4.01/ENT_QUOTES  ***\n";
+
+foreach ($tests as $t) {
+    $dec = htmlspecialchars_decode($t, ENT_QUOTES | ENT_HTML401);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** XHTML 1.0/ENT_QUOTES  ***\n";
+
+foreach ($tests as $t) {
+    $dec = htmlspecialchars_decode($t, ENT_QUOTES | ENT_XHTML);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** HTML5/ENT_QUOTES  ***\n";
+
+foreach ($tests as $t) {
+    $dec = htmlspecialchars_decode($t, ENT_QUOTES | ENT_HTML5);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** XML 1.0/ENT_QUOTES  ***\n";
+
+foreach ($tests as $t) {
+    $dec = htmlspecialchars_decode($t, ENT_QUOTES | ENT_XML1);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** HTML5/ENT_NOQUOTES  ***\n";
+
+foreach ($tests as $t) {
+    $dec = htmlspecialchars_decode($t, ENT_NOQUOTES | ENT_HTML5);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+echo "\n*** HTML5/ENT_COMPAT  ***\n";
+
+foreach ($tests as $t) {
+    $dec = htmlspecialchars_decode($t, ENT_COMPAT | ENT_HTML5);
+    if ($t == $dec) {
+        echo "$t\tNOT DECODED\n";
+    } else {
+        echo "$t\tDECODED\n";
+    }
+}
+
+
+echo "\nDone.\n";
+?>
+--EXPECT--
+*** HTML 4.01/ENT_QUOTES  ***
+&quot;	DECODED
+&#x22;	DECODED
+&#34;	DECODED
+&apos;	NOT DECODED
+&#39;	DECODED
+&#x27;	DECODED
+&amp;	DECODED
+&#x26;	DECODED
+&lt;	DECODED
+&gt;	DECODED
+&#x3C;	DECODED
+&#60;	DECODED
+&lt;	DECODED
+&#x3E;	DECODED
+&#62;	DECODED
+&#63;	NOT DECODED
+
+*** XHTML 1.0/ENT_QUOTES  ***
+&quot;	DECODED
+&#x22;	DECODED
+&#34;	DECODED
+&apos;	DECODED
+&#39;	DECODED
+&#x27;	DECODED
+&amp;	DECODED
+&#x26;	DECODED
+&lt;	DECODED
+&gt;	DECODED
+&#x3C;	DECODED
+&#60;	DECODED
+&lt;	DECODED
+&#x3E;	DECODED
+&#62;	DECODED
+&#63;	NOT DECODED
+
+*** HTML5/ENT_QUOTES  ***
+&quot;	DECODED
+&#x22;	DECODED
+&#34;	DECODED
+&apos;	DECODED
+&#39;	DECODED
+&#x27;	DECODED
+&amp;	DECODED
+&#x26;	DECODED
+&lt;	DECODED
+&gt;	DECODED
+&#x3C;	DECODED
+&#60;	DECODED
+&lt;	DECODED
+&#x3E;	DECODED
+&#62;	DECODED
+&#63;	NOT DECODED
+
+*** XML 1.0/ENT_QUOTES  ***
+&quot;	DECODED
+&#x22;	DECODED
+&#34;	DECODED
+&apos;	DECODED
+&#39;	DECODED
+&#x27;	DECODED
+&amp;	DECODED
+&#x26;	DECODED
+&lt;	DECODED
+&gt;	DECODED
+&#x3C;	DECODED
+&#60;	DECODED
+&lt;	DECODED
+&#x3E;	DECODED
+&#62;	DECODED
+&#63;	NOT DECODED
+
+*** HTML5/ENT_NOQUOTES  ***
+&quot;	NOT DECODED
+&#x22;	NOT DECODED
+&#34;	NOT DECODED
+&apos;	NOT DECODED
+&#39;	NOT DECODED
+&#x27;	NOT DECODED
+&amp;	DECODED
+&#x26;	DECODED
+&lt;	DECODED
+&gt;	DECODED
+&#x3C;	DECODED
+&#60;	DECODED
+&lt;	DECODED
+&#x3E;	DECODED
+&#62;	DECODED
+&#63;	NOT DECODED
+
+*** HTML5/ENT_COMPAT  ***
+&quot;	DECODED
+&#x22;	DECODED
+&#34;	DECODED
+&apos;	NOT DECODED
+&#39;	NOT DECODED
+&#x27;	NOT DECODED
+&amp;	DECODED
+&#x26;	DECODED
+&lt;	DECODED
+&gt;	DECODED
+&#x3C;	DECODED
+&#60;	DECODED
+&lt;	DECODED
+&#x3E;	DECODED
+&#62;	DECODED
+&#63;	NOT DECODED
+
+Done.
diff --git a/tests/std/strings/implode_basic.phpt b/tests/std/strings/implode_basic.phpt
new file mode 100644
index 00000000..ee1dfe9c
--- /dev/null
+++ b/tests/std/strings/implode_basic.phpt
@@ -0,0 +1,20 @@
+--TEST--
+implode() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+echo implode(array())."\n";
+echo implode('nothing', array())."\n";
+echo implode(array('foo', 'bar', 'baz'))."\n";
+echo implode(':', array('foo', 'bar', 'baz'))."\n";
+echo implode(':', array('foo', array('bar', 'baz'), 'burp'))."\n";
+?>
+--EXPECTF--
+foobarbaz
+foo:bar:baz
+
+Warning: Array to string conversion in %s on line %d
+foo:Array:burp
diff --git a/tests/std/strings/implode_error.phpt b/tests/std/strings/implode_error.phpt
new file mode 100644
index 00000000..c590bcee
--- /dev/null
+++ b/tests/std/strings/implode_error.phpt
@@ -0,0 +1,33 @@
+--TEST--
+Test implode() function: error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/* only glue */
+try {
+    var_dump(implode("glue"));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* NULL as pieces */
+try {
+    var_dump(implode("glue", NULL));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* integer as glue */
+try {
+    var_dump(implode(12, "pieces"));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+implode(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+implode(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+implode(): Argument #2 ($array) must be of type ?array, string given
diff --git a/tests/std/strings/implode_variation.phpt b/tests/std/strings/implode_variation.phpt
new file mode 100644
index 00000000..f685dc28
--- /dev/null
+++ b/tests/std/strings/implode_variation.phpt
@@ -0,0 +1,233 @@
+--TEST--
+Test implode() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+echo "*** Testing implode() for basic operations ***\n";
+$arrays = array(
+  array(1,2),
+  array(1.1,2.2),
+  array(array(2),array(1)),
+  array(false,true),
+  array(),
+  array("a","aaaa","b","bbbb","c","ccccccccccccccccccccc"),
+  array(NULL),
+);
+/* loop to output string with ', ' as $glue, using implode() */
+foreach ($arrays as $array) {
+  var_dump(implode(', ', $array));
+  var_dump($array);
+}
+
+echo "\n*** Testing implode() with variations of glue ***\n";
+/* checking possible variations */
+$pieces = array(
+  2,
+  0,
+  -639,
+  true,
+  "PHP",
+  false,
+  "",
+  " ",
+  "string\x00with\x00...\0"
+);
+$glues = array(
+  "TRUE",
+  true,
+  false,
+  array("key1", "key2"),
+  "",
+  " ",
+  "string\x00between",
+  -0,
+  '\0'
+);
+/* loop through to display a string containing all the array $pieces in the same order,
+   with the $glue string between each element  */
+$counter = 1;
+foreach($glues as $glue) {
+  echo "-- Iteration $counter --\n";
+  try {
+       var_dump(implode($glue, $pieces));
+  } catch (TypeError $exception) {
+      echo $exception->getMessage() . "\n";
+  }
+  $counter++;
+}
+
+/* empty string */
+echo "\n*** Testing implode() on empty string ***\n";
+try {
+    implode("");
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* checking sub-arrays */
+echo "\n*** Testing implode() on sub-arrays ***\n";
+$sub_array = array(array(1,2,3,4), array(1 => "one", 2 => "two"), "PHP", 50);
+var_dump(implode("TEST", $sub_array));
+try {
+   var_dump(implode(array(1, 2, 3, 4), $sub_array));
+} catch (TypeError $exception) {
+  echo $exception->getMessage() . "\n";
+}
+try {
+   var_dump(implode(2, $sub_array));
+} catch (TypeError $exception) {
+  echo $exception->getMessage() . "\n";
+}
+
+echo "\n*** Testing implode() on objects ***\n";
+/* checking on objects */
+class foo
+{
+  function __toString() {
+    return "Object";
+  }
+}
+
+$obj = new foo(); //creating new object
+$arr = array();
+$arr[0] = &$obj;
+$arr[1] = &$obj;
+var_dump(implode(",", $arr));
+var_dump($arr);
+
+/* Checking on resource types */
+echo "\n*** Testing end() on resource type ***\n";
+/* file type resource */
+$file_handle = fopen(__FILE__, "r");
+
+/* directory type resource */
+$dir_handle = opendir( __DIR__ );
+
+/* store resources in array for comparison */
+$resources = array($file_handle, $dir_handle);
+
+var_dump(implode("::", $resources));
+
+/* closing resource handles */
+fclose($file_handle);
+closedir($dir_handle);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing implode() for basic operations ***
+string(4) "1, 2"
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+string(8) "1.1, 2.2"
+array(2) {
+  [0]=>
+  float(1.1)
+  [1]=>
+  float(2.2)
+}
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+string(12) "Array, Array"
+array(2) {
+  [0]=>
+  array(1) {
+    [0]=>
+    int(2)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(1)
+  }
+}
+string(3) ", 1"
+array(2) {
+  [0]=>
+  bool(false)
+  [1]=>
+  bool(true)
+}
+string(0) ""
+array(0) {
+}
+string(42) "a, aaaa, b, bbbb, c, ccccccccccccccccccccc"
+array(6) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(4) "aaaa"
+  [2]=>
+  string(1) "b"
+  [3]=>
+  string(4) "bbbb"
+  [4]=>
+  string(1) "c"
+  [5]=>
+  string(21) "ccccccccccccccccccccc"
+}
+string(0) ""
+array(1) {
+  [0]=>
+  NULL
+}
+
+*** Testing implode() with variations of glue ***
+-- Iteration 1 --
+string(59) "2TRUE0TRUE-639TRUE1TRUEPHPTRUETRUETRUE TRUEstring%0with%0...%0"
+-- Iteration 2 --
+string(35) "2101-639111PHP111 1string%0with%0...%0"
+-- Iteration 3 --
+string(27) "20-6391PHP string%0with%0...%0"
+-- Iteration 4 --
+implode(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 5 --
+string(27) "20-6391PHP string%0with%0...%0"
+-- Iteration 6 --
+string(35) "2 0 -639 1 PHP     string%0with%0...%0"
+-- Iteration 7 --
+string(139) "2string%0between0string%0between-639string%0between1string%0betweenPHPstring%0betweenstring%0betweenstring%0between string%0betweenstring%0with%0...%0"
+-- Iteration 8 --
+string(35) "2000-639010PHP000 0string%0with%0...%0"
+-- Iteration 9 --
+string(43) "2\00\0-639\01\0PHP\0\0\0 \0string%0with%0...%0"
+
+*** Testing implode() on empty string ***
+implode(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+
+*** Testing implode() on sub-arrays ***
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+string(27) "ArrayTESTArrayTESTPHPTEST50"
+implode(): Argument #1 ($separator) must be of type string, array given
+
+Warning: Array to string conversion in %s
+
+Warning: Array to string conversion in %s
+string(18) "Array2Array2PHP250"
+
+*** Testing implode() on objects ***
+string(13) "Object,Object"
+array(2) {
+  [0]=>
+  &object(foo)#%d (0) {
+  }
+  [1]=>
+  &object(foo)#%d (0) {
+  }
+}
+
+*** Testing end() on resource type ***
+string(%d) "Resource id #%d::Resource id #%d"
+Done
diff --git a/tests/std/strings/join_basic.phpt b/tests/std/strings/join_basic.phpt
new file mode 100644
index 00000000..129f75bc
--- /dev/null
+++ b/tests/std/strings/join_basic.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test join() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing join() : basic functionality ***\n";
+
+// Initialize all required variables
+$glue = ',';
+$pieces = array(1, 2, 3, 4);
+
+// pieces as array with numeric values
+var_dump( join($glue, $pieces) );
+
+// pieces as array with strings values
+$glue = ", "; // multiple car as glue
+$pieces = array("Red", "Green", "Blue", "Black", "White");
+var_dump( join($glue, $pieces) );
+
+// pieces as associative array (numeric values)
+$pieces = array("Hour" => 10, "Minute" => 20, "Second" => 40);
+$glue = ':';
+var_dump( join($glue, $pieces) );
+
+// pieces as associative array (string/numeric values)
+$pieces = array("Day" => 'Friday', "Month" => "September", "Year" => 2007);
+$glue = '/';
+var_dump( join($glue, $pieces) );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing join() : basic functionality ***
+string(7) "1,2,3,4"
+string(30) "Red, Green, Blue, Black, White"
+string(8) "10:20:40"
+string(21) "Friday/September/2007"
+Done
diff --git a/tests/std/strings/join_error.phpt b/tests/std/strings/join_error.phpt
new file mode 100644
index 00000000..46ebe759
--- /dev/null
+++ b/tests/std/strings/join_error.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test join() function: error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT C++ compilation failed';
+?>
+--FILE--
+<?php
+echo "*** Testing join() : error conditions ***\n";
+
+// Less than expected number of arguments
+echo "\n-- Testing join() with less than expected no. of arguments --\n";
+$glue = 'string_val';
+
+try {
+    var_dump(join($glue));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing join() : error conditions ***
+
+-- Testing join() with less than expected no. of arguments --
+join(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+Done
diff --git a/tests/std/strings/join_error1.phpt b/tests/std/strings/join_error1.phpt
new file mode 100644
index 00000000..4b597707
--- /dev/null
+++ b/tests/std/strings/join_error1.phpt
@@ -0,0 +1,153 @@
+--TEST--
+Test join() function : usage variations - unexpected values for 'pieces' argument(Bug#42789)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * test join() by passing different unexpected value for pieces argument
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+// initialize all required variables
+$glue = '::';
+
+// get an unset variable
+$unset_var = array(1, 2);
+unset($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// define a class
+class test
+{
+  var $t = 10;
+  var $p = 10;
+  function __toString() {
+    return "testObject";
+  }
+}
+
+// array with different values
+$values =  array (
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // string values
+  "string",
+  'string',
+
+  // objects
+  new test(),
+
+  // empty string
+  "",
+  '',
+
+  // null values
+  NULL,
+  null,
+
+  // resource variable
+  $fp,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of join()
+// when $pieces argument is supplied with different values
+echo "\n--- Testing join() by supplying different values for 'pieces' argument ---\n";
+$counter = 1;
+for($index = 0; $index < count($values); $index ++) {
+    echo "-- Iteration $counter --\n";
+    $pieces = $values [$index];
+
+    try {
+        var_dump(join($glue, $pieces));
+    } catch (TypeError $e) {
+        echo $e->getMessage(), "\n";
+    }
+
+    $counter ++;
+}
+
+// close the resources used
+fclose($fp);
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing join() : usage variations ***
+
+--- Testing join() by supplying different values for 'pieces' argument ---
+-- Iteration 1 --
+join(): Argument #2 ($array) must be of type ?array, int given
+-- Iteration 2 --
+join(): Argument #2 ($array) must be of type ?array, int given
+-- Iteration 3 --
+join(): Argument #2 ($array) must be of type ?array, int given
+-- Iteration 4 --
+join(): Argument #2 ($array) must be of type ?array, int given
+-- Iteration 5 --
+join(): Argument #2 ($array) must be of type ?array, float given
+-- Iteration 6 --
+join(): Argument #2 ($array) must be of type ?array, float given
+-- Iteration 7 --
+join(): Argument #2 ($array) must be of type ?array, float given
+-- Iteration 8 --
+join(): Argument #2 ($array) must be of type ?array, float given
+-- Iteration 9 --
+join(): Argument #2 ($array) must be of type ?array, float given
+-- Iteration 10 --
+join(): Argument #2 ($array) must be of type ?array, true given
+-- Iteration 11 --
+join(): Argument #2 ($array) must be of type ?array, false given
+-- Iteration 12 --
+join(): Argument #2 ($array) must be of type ?array, true given
+-- Iteration 13 --
+join(): Argument #2 ($array) must be of type ?array, false given
+-- Iteration 14 --
+join(): Argument #2 ($array) must be of type ?array, string given
+-- Iteration 15 --
+join(): Argument #2 ($array) must be of type ?array, string given
+-- Iteration 16 --
+join(): Argument #2 ($array) must be of type ?array, test given
+-- Iteration 17 --
+join(): Argument #2 ($array) must be of type ?array, string given
+-- Iteration 18 --
+join(): Argument #2 ($array) must be of type ?array, string given
+-- Iteration 19 --
+join(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+-- Iteration 20 --
+join(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+-- Iteration 21 --
+join(): Argument #2 ($array) must be of type ?array, resource given
+-- Iteration 22 --
+join(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+-- Iteration 23 --
+join(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
+Done
diff --git a/tests/std/strings/join_variation1.phpt b/tests/std/strings/join_variation1.phpt
new file mode 100644
index 00000000..215a0e87
--- /dev/null
+++ b/tests/std/strings/join_variation1.phpt
@@ -0,0 +1,137 @@
+--TEST--
+Test join() function : usage variations - unexpected values for 'glue' argument
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+/*
+ * testing join() by passing different unexpected value for glue argument
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+// initialize all required variables
+$pieces = array("element1", "element2");
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// define a class
+class test
+{
+   var $t = 10;
+   function __toString() {
+     return  "testObject";
+   }
+}
+
+// array with different values
+$values =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.1234567e10,
+  10.7654321E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new test(),
+
+  // empty string
+  "",
+  '',
+
+  // resource variable
+  $fp,
+);
+
+
+// loop through each element of the array and check the working of join()
+// when $glue argument is supplied with different values
+echo "\n--- Testing join() by supplying different values for 'glue' argument ---\n";
+$counter = 1;
+for($index = 0; $index < count($values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  $glue = $values [$index];
+
+  try {
+    var_dump(join($glue, $pieces));
+  } catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+  }
+
+  $counter++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing join() : usage variations ***
+
+--- Testing join() by supplying different values for 'glue' argument ---
+-- Iteration 1 --
+string(17) "element10element2"
+-- Iteration 2 --
+string(17) "element11element2"
+-- Iteration 3 --
+string(21) "element112345element2"
+-- Iteration 4 --
+string(21) "element1-2345element2"
+-- Iteration 5 --
+string(20) "element110.5element2"
+-- Iteration 6 --
+string(21) "element1-10.5element2"
+-- Iteration 7 --
+string(28) "element1101234567000element2"
+-- Iteration 8 --
+string(29) "element11.07654321E-9element2"
+-- Iteration 9 --
+string(19) "element10.5element2"
+-- Iteration 10 --
+join(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 11 --
+join(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 12 --
+join(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 13 --
+join(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 14 --
+join(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 15 --
+string(17) "element11element2"
+-- Iteration 16 --
+string(16) "element1element2"
+-- Iteration 17 --
+string(17) "element11element2"
+-- Iteration 18 --
+string(16) "element1element2"
+-- Iteration 19 --
+string(26) "element1testObjectelement2"
+-- Iteration 20 --
+string(16) "element1element2"
+-- Iteration 21 --
+string(16) "element1element2"
+-- Iteration 22 --
+join(): Argument #1 ($separator) must be of type array|string, resource given
+Done
diff --git a/tests/std/strings/join_variation3.phpt b/tests/std/strings/join_variation3.phpt
new file mode 100644
index 00000000..506de5b6
--- /dev/null
+++ b/tests/std/strings/join_variation3.phpt
@@ -0,0 +1,94 @@
+--TEST--
+Test join() function : usage variations - different values for 'pieces' argument
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/*
+ * test join() by giving different pieces values
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+
+$pieces_arrays = array (
+  array(1, 2), // array with default keys and numrice values
+  array(1.1, 2.2), // array with default keys & float values
+  array( array(2), array(1)), // sub arrays
+  array(false,true), // array with default keys and boolean values
+  array(), // empty array
+  array(NULL), // array with NULL
+  array("a","aaaa","b","bbbb","c","ccccc"),
+
+  // associative arrays
+  array(1 => "one", 2 => "two", 3 => "three"),  // explicit numeric keys, string values
+  array("one" => 1, "two" => 2, "three" => 3 ),  // string keys & numeric values
+  array( 1 => 10, 2 => 20, 4 => 40, 3 => 30),  // explicit numeric keys and numeric values
+  array( "one" => "ten", "two" => "twenty", "three" => "thirty"),  // string key/value
+  array("one" => 1, 2 => "two", 4 => "four"),  //mixed
+
+  // associative array, containing empty/boolean values as key/value
+  array(true => "true", false => "false", "false" => false, "true" => true),
+  array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
+  array(1 => '', 2 => "", 5 => false, 6 => true),
+  array('' => 1, "" => 2, false => 5, true => 6),
+
+  // array with repetitive keys
+  array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
+);
+
+// a multichar glue value
+$glue = "], [";
+
+// loop through each $pieces_arrays element and call join()
+$iteration = 1;
+for($index = 0; $index < count($pieces_arrays); $index ++) {
+  echo "-- Iteration $iteration --\n";
+  var_dump( join($glue, $pieces_arrays[$index]) );
+  $iteration ++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : usage variations ***
+-- Iteration 1 --
+string(6) "1], [2"
+-- Iteration 2 --
+string(10) "1.1], [2.2"
+-- Iteration 3 --
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+string(14) "Array], [Array"
+-- Iteration 4 --
+string(5) "], [1"
+-- Iteration 5 --
+string(0) ""
+-- Iteration 6 --
+string(0) ""
+-- Iteration 7 --
+string(36) "a], [aaaa], [b], [bbbb], [c], [ccccc"
+-- Iteration 8 --
+string(19) "one], [two], [three"
+-- Iteration 9 --
+string(11) "1], [2], [3"
+-- Iteration 10 --
+string(20) "10], [20], [40], [30"
+-- Iteration 11 --
+string(23) "ten], [twenty], [thirty"
+-- Iteration 12 --
+string(16) "1], [two], [four"
+-- Iteration 13 --
+string(22) "true], [false], [], [1"
+-- Iteration 14 --
+string(14) "emptys], [], ["
+-- Iteration 15 --
+string(13) "], [], [], [1"
+-- Iteration 16 --
+string(11) "2], [5], [6"
+-- Iteration 17 --
+string(13) "10], [20], [3"
+Done
diff --git a/tests/std/strings/join_variation4.phpt b/tests/std/strings/join_variation4.phpt
new file mode 100644
index 00000000..6c53b402
--- /dev/null
+++ b/tests/std/strings/join_variation4.phpt
@@ -0,0 +1,77 @@
+--TEST--
+Test join() function : usage variations - different values for 'glue' argument
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/*
+ * test join() by passing different glue arguments
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+
+$glues = array (
+  "TRUE",
+  true,
+  false,
+  array("key1", "key2"),
+  "",
+  " ",
+  "string\x00between",
+  -1.566599999999999,
+  -0,
+  '\0'
+);
+
+$pieces = array (
+  2,
+  0,
+  -639,
+  -1.3444,
+  true,
+  "PHP",
+  false,
+  "",
+  " ",
+  6999.99999999,
+  "string\x00with\x00...\0"
+);
+/* loop through  each element of $glues and call join */
+$counter = 1;
+for($index = 0; $index < count($glues); $index ++) {
+  echo "-- Iteration $counter --\n";
+  try {
+    var_dump(join($glues[$index], $pieces));
+  } catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+  }
+  $counter++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : usage variations ***
+-- Iteration 1 --
+string(87) "2TRUE0TRUE-639TRUE-1.3444TRUE1TRUEPHPTRUETRUETRUE TRUE6999.99999999TRUEstring%0with%0...%0"
+-- Iteration 2 --
+string(57) "2101-6391-1.3444111PHP111 16999.999999991string%0with%0...%0"
+-- Iteration 3 --
+string(47) "20-639-1.34441PHP 6999.99999999string%0with%0...%0"
+-- Iteration 4 --
+join(): Argument #1 ($separator) must be of type string, array given
+-- Iteration 5 --
+string(47) "20-639-1.34441PHP 6999.99999999string%0with%0...%0"
+-- Iteration 6 --
+string(57) "2 0 -639 -1.3444 1 PHP     6999.99999999 string%0with%0...%0"
+-- Iteration 7 --
+string(187) "2string%0between0string%0between-639string%0between-1.3444string%0between1string%0betweenPHPstring%0betweenstring%0betweenstring%0between string%0between6999.99999999string%0betweenstring%0with%0...%0"
+-- Iteration 8 --
+string(117) "2-1.56660-1.5666-639-1.5666-1.3444-1.56661-1.5666PHP-1.5666-1.5666-1.5666 -1.56666999.99999999-1.5666string%0with%0...%0"
+-- Iteration 9 --
+string(57) "2000-6390-1.3444010PHP000 06999.999999990string%0with%0...%0"
+-- Iteration 10 --
+string(67) "2\00\0-639\0-1.3444\01\0PHP\0\0\0 \06999.99999999\0string%0with%0...%0"
+Done
diff --git a/tests/std/strings/join_variation5.phpt b/tests/std/strings/join_variation5.phpt
new file mode 100644
index 00000000..6324c1d0
--- /dev/null
+++ b/tests/std/strings/join_variation5.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Test join() function : usage variations - sub array as argument
+--SKIPIF--
+<?php
+echo 'skip AOT C++ compilation failed';
+?>
+--FILE--
+<?php
+/*
+ * test join() by passing pieces as array containing sub array(s)
+*/
+
+echo "*** Testing implode() : usage variations - sub arrays ***\n";
+$sub_array = array(array(1,2,3,4), array(1 => "one", 2 => "two"), "PHP", 50);
+
+// pieces as array containing sub array
+var_dump(join("TEST", $sub_array));
+
+// glue as array & pieces as array containing sub array
+try {
+    var_dump(join(array(1, 2, 3, 4), $sub_array));
+} catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+// numeric value as glue, pieces as array containing sub array
+var_dump(join(2, $sub_array));
+
+// using directly the sub_array as pieces
+var_dump(join(", ", $sub_array[0]));
+var_dump(join(", ", $sub_array[1]));
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing implode() : usage variations - sub arrays ***
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+string(27) "ArrayTESTArrayTESTPHPTEST50"
+join(): Argument #1 ($separator) must be of type string, array given
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+string(18) "Array2Array2PHP250"
+string(10) "1, 2, 3, 4"
+string(8) "one, two"
+Done
diff --git a/tests/std/strings/join_variation6.phpt b/tests/std/strings/join_variation6.phpt
new file mode 100644
index 00000000..44573274
--- /dev/null
+++ b/tests/std/strings/join_variation6.phpt
@@ -0,0 +1,26 @@
+--TEST--
+Test join() function : usage variations - binary safe
+--FILE--
+<?php
+/*
+ * check the working of join() when given binary input given
+*/
+
+echo "*** Testing join() : usage variationsi - binary safe ***\n";
+
+$glues = array(
+  ",".chr(0)." ",
+  ", "
+);
+
+$pieces = array("Red", "Green", "White", 1);
+var_dump( join($glues[0], $pieces) );
+var_dump( join($glues[1], $pieces) );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : usage variationsi - binary safe ***
+string(23) "Red,%0 Green,%0 White,%0 1"
+string(20) "Red, Green, White, 1"
+Done
diff --git a/tests/std/strings/lcfirst.phpt b/tests/std/strings/lcfirst.phpt
new file mode 100644
index 00000000..f328dae2
--- /dev/null
+++ b/tests/std/strings/lcfirst.phpt
@@ -0,0 +1,203 @@
+--TEST--
+lcfirst() function
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+/* Make a string's first character uppercase */
+
+echo "#### Basic and Various operations ####\n";
+$str_array = array(
+            "TesTing lcfirst.",
+            "1.testing lcfirst",
+            "HELLO wORLD",
+            'HELLO wORLD',
+                    "\0",		// Null
+                    "\x00",		// Hex Null
+                    "\x000",
+                    "abcd",		// double quoted string
+                    'xyz',		// single quoted string
+                    "-3",
+                    -3,
+                    '-3.344',
+                    -3.344,
+                    "NULL",
+                    "0",
+                    0,
+                    TRUE,		// bool type
+                    "TRUE",
+                    "1",
+                    1,
+                    1.234444,
+                    FALSE,
+                    "FALSE",
+                    " ",
+                    "     ",
+                    'b',		// single char
+                    '\t',		// escape sequences
+                    "\t",
+                    "12",
+                    "12twelve",		// int + string
+              );
+/* loop to test working of lcfirst with different values */
+foreach ($str_array as $string) {
+  var_dump( lcfirst($string) );
+}
+
+
+
+echo "\n#### Testing miscellaneous inputs ####\n";
+
+echo "\n--- Testing lowercamelcase action call example ---\n";
+class Setter {
+
+    protected $vars = array('partnerName' => false);
+
+    public function __call($m, $v) {
+        if (stristr($m, 'set')) {
+            $action = lcfirst(substr($m, 3));
+            $this->$action = $v[0];
+        }
+    }
+
+    public function __set($key, $value) {
+        if (array_key_exists($key, $this->vars)) {
+            $this->vars[$key] = $value;
+        }
+    }
+
+    public function __get($key) {
+        if (array_key_exists($key, $this->vars)) {
+            return $this->vars[$key];
+        }
+    }
+}
+
+$class = new Setter();
+$class->setPartnerName('partnerName');
+var_dump($class->partnerName);
+
+echo "\n--- Testing objects ---\n";
+/* we get "Recoverable fatal error: saying Object of class could not be converted
+        to string" by default when an object is passed instead of string:
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class stringObject {
+  function __toString() {
+    return "Hello world";
+  }
+}
+$obj_string = new stringObject;
+
+var_dump(lcfirst("$obj_string"));
+
+
+echo "\n--- Testing a longer and heredoc string ---\n";
+$string = <<<EOD
+Abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(lcfirst($string));
+
+echo "\n--- Testing a heredoc null string ---\n";
+$str = <<<EOD
+EOD;
+var_dump(lcfirst($str));
+
+
+echo "\n--- Testing simple and complex syntax strings ---\n";
+$str = 'world';
+
+/* Simple syntax */
+var_dump(lcfirst("$str"));
+var_dump(lcfirst("$str'S"));
+var_dump(lcfirst("$strS"));
+
+/* String with curly braces, complex syntax */
+var_dump(lcfirst("${str}S"));
+var_dump(lcfirst("{$str}S"));
+
+echo "\n--- Nested lcfirst() ---\n";
+var_dump(lcfirst(lcfirst("hello")));
+
+echo "Done\n";
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+#### Basic and Various operations ####
+string(16) "tesTing lcfirst."
+string(17) "1.testing lcfirst"
+string(11) "hELLO wORLD"
+string(11) "hELLO wORLD"
+string(1) "%0"
+string(1) "%0"
+string(2) "%00"
+string(4) "abcd"
+string(3) "xyz"
+string(2) "-3"
+string(2) "-3"
+string(6) "-3.344"
+string(6) "-3.344"
+string(4) "nULL"
+string(1) "0"
+string(1) "0"
+string(1) "1"
+string(4) "tRUE"
+string(1) "1"
+string(1) "1"
+string(8) "1.234444"
+string(0) ""
+string(5) "fALSE"
+string(1) " "
+string(5) "     "
+string(1) "b"
+string(2) "\t"
+string(1) "	"
+string(2) "12"
+string(8) "12twelve"
+
+#### Testing miscellaneous inputs ####
+
+--- Testing lowercamelcase action call example ---
+string(%d) "partnerName"
+
+--- Testing objects ---
+string(11) "hello world"
+
+--- Testing a longer and heredoc string ---
+string(639) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
+
+--- Testing a heredoc null string ---
+string(0) ""
+
+--- Testing simple and complex syntax strings ---
+string(5) "world"
+string(7) "world'S"
+
+Warning: Undefined variable $strS in %s on line %d
+string(0) ""
+string(6) "worldS"
+string(6) "worldS"
+
+--- Nested lcfirst() ---
+string(5) "hello"
+Done
diff --git a/tests/std/strings/levenshtein.phpt b/tests/std/strings/levenshtein.phpt
new file mode 100644
index 00000000..41b559f8
--- /dev/null
+++ b/tests/std/strings/levenshtein.phpt
@@ -0,0 +1,63 @@
+--TEST--
+levenshtein() function test
+--FILE--
+<?php
+
+echo '--- Equal ---' . \PHP_EOL;
+var_dump(levenshtein('12345', '12345'));
+
+echo '--- First string empty ---' . \PHP_EOL;
+var_dump(levenshtein('', 'xyz'));
+echo '--- Second string empty ---' . \PHP_EOL;
+var_dump(levenshtein('xyz', ''));
+echo '--- Both empty ---' . \PHP_EOL;
+var_dump(levenshtein('', ''));
+var_dump(levenshtein('', '', 10, 10, 10));
+
+echo '--- 1 character ---' . \PHP_EOL;
+var_dump(levenshtein('1', '2'));
+echo '--- 2 character swapped ---' . \PHP_EOL;
+var_dump(levenshtein('12', '21'));
+
+echo '--- Inexpensive deletion ---' . \PHP_EOL;
+var_dump(levenshtein('2121', '11', 2));
+echo '--- Expensive deletion ---' . \PHP_EOL;
+var_dump(levenshtein('2121', '11', 2, 1, 5));
+
+echo '--- Inexpensive insertion ---' . \PHP_EOL;
+var_dump(levenshtein('11', '2121'));
+echo '--- Expensive insertion ---' . \PHP_EOL;
+var_dump(levenshtein('11', '2121', 5));
+
+echo '--- Expensive replacement ---' . \PHP_EOL;
+var_dump(levenshtein('111', '121', 2, 3, 2));
+echo '--- Very expensive replacement ---' . \PHP_EOL;
+var_dump(levenshtein('111', '121', 2, 9, 2));
+
+?>
+--EXPECT--
+--- Equal ---
+int(0)
+--- First string empty ---
+int(3)
+--- Second string empty ---
+int(3)
+--- Both empty ---
+int(0)
+int(0)
+--- 1 character ---
+int(1)
+--- 2 character swapped ---
+int(2)
+--- Inexpensive deletion ---
+int(2)
+--- Expensive deletion ---
+int(10)
+--- Inexpensive insertion ---
+int(2)
+--- Expensive insertion ---
+int(10)
+--- Expensive replacement ---
+int(3)
+--- Very expensive replacement ---
+int(4)
diff --git a/tests/std/strings/levenshtein_bug_16473.phpt b/tests/std/strings/levenshtein_bug_16473.phpt
new file mode 100644
index 00000000..94c26508
--- /dev/null
+++ b/tests/std/strings/levenshtein_bug_16473.phpt
@@ -0,0 +1,16 @@
+--TEST--
+levenshtein() bug 16473
+--FILE--
+<?php
+
+var_dump(levenshtein('a', 'bc'));
+var_dump(levenshtein('xa', 'xbc'));
+var_dump(levenshtein('xax', 'xbcx'));
+var_dump(levenshtein('ax', 'bcx'));
+
+?>
+--EXPECT--
+int(2)
+int(2)
+int(2)
+int(2)
diff --git a/tests/std/strings/levenshtein_bug_6562.phpt b/tests/std/strings/levenshtein_bug_6562.phpt
new file mode 100644
index 00000000..31f07f47
--- /dev/null
+++ b/tests/std/strings/levenshtein_bug_6562.phpt
@@ -0,0 +1,16 @@
+--TEST--
+levenshtein() bug 6562
+--FILE--
+<?php
+
+var_dump(levenshtein('debugg', 'debug'));
+var_dump(levenshtein('ddebug', 'debug'));
+var_dump(levenshtein('debbbug', 'debug'));
+var_dump(levenshtein('debugging', 'debuging'));
+
+?>
+--EXPECT--
+int(1)
+int(1)
+int(2)
+int(1)
diff --git a/tests/std/strings/levenshtein_bug_7368.phpt b/tests/std/strings/levenshtein_bug_7368.phpt
new file mode 100644
index 00000000..ffbb7cd6
--- /dev/null
+++ b/tests/std/strings/levenshtein_bug_7368.phpt
@@ -0,0 +1,12 @@
+--TEST--
+levenshtein() bug 7368
+--FILE--
+<?php
+
+var_dump(levenshtein('13458', '12345'));
+var_dump(levenshtein('1345', '1234'));
+
+?>
+--EXPECT--
+int(2)
+int(2)
diff --git a/tests/std/strings/levenshtein_error_conditions.phpt b/tests/std/strings/levenshtein_error_conditions.phpt
new file mode 100644
index 00000000..55e144b3
--- /dev/null
+++ b/tests/std/strings/levenshtein_error_conditions.phpt
@@ -0,0 +1,33 @@
+--TEST--
+levenshtein() former error conditions
+--FILE--
+<?php
+
+// levenshtein no longer has a maximum string length limit.
+
+echo '--- String 1 ---' . \PHP_EOL;
+var_dump(levenshtein('AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsu', 'A'));
+try {
+    var_dump(levenshtein('AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuv', 'A'));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+echo '--- String 2 ---' . \PHP_EOL;
+var_dump(levenshtein('A', 'AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsu'));
+try {
+    var_dump(levenshtein('A', 'AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuv'));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+
+// TODO ValueError for negative costs?
+// var_dump(levenshtein("", "", -1, -1, -1));
+
+?>
+--EXPECT--
+--- String 1 ---
+int(254)
+int(255)
+--- String 2 ---
+int(254)
+int(255)
diff --git a/tests/std/strings/locale_independent_float_to_string.phpt b/tests/std/strings/locale_independent_float_to_string.phpt
new file mode 100644
index 00000000..ffcb6b86
--- /dev/null
+++ b/tests/std/strings/locale_independent_float_to_string.phpt
@@ -0,0 +1,102 @@
+--TEST--
+Test that floats are converted to string locale independently
+--SKIPIF--
+<?php
+if (setlocale(LC_ALL, 'invalid') === 'invalid') { die('skip setlocale() is broken /w musl'); }
+if (!setlocale
+    (LC_ALL,
+    "german", "de", "de_DE", "de_DE.ISO8859-1", "de_DE.ISO_8859-1", "de_DE.UTF-8",
+    "french", "fr", "fr_FR", "fr_FR.ISO8859-1", "fr_FR.ISO_8859-1", "fr_FR.UTF-8",
+    )) {
+    die("skip - locale needed for this test is not supported on this platform");
+}
+?>
+--FILE--
+<?php
+
+function print_float(float $f)
+{
+    echo "- casting:\n";
+    echo $f . "\n";
+    echo strval($f) . "\n";
+    $g = $f;
+    settype($g, "string");
+    echo $g . "\n";
+
+    echo "- *printf functions:\n";
+    printf("%.2f\n", $f);
+    printf("%.2F\n", $f);
+    echo sprintf("%.2f", $f) . "\n";
+    echo sprintf("%.2F", $f) . "\n";
+
+    echo "- export/import:\n";
+    echo var_export($f, true)  . "\n";
+    echo serialize($f) . "\n";
+    echo json_encode($f) . "\n";
+
+    echo "- debugging:\n";
+    echo print_r($f, true) . "\n";
+    var_dump($f);
+    debug_zval_dump($f);
+
+    echo "- other:\n";
+    echo implode([$f]) . "\n";
+}
+
+setlocale(LC_ALL, "C");
+echo "C locale:\n";
+
+print_float(3.14);
+
+setlocale(
+    LC_ALL,
+    "german", "de", "de_DE", "de_DE.ISO8859-1", "de_DE.ISO_8859-1", "de_DE.UTF-8",
+    "french", "fr", "fr_FR", "fr_FR.ISO8859-1", "fr_FR.ISO_8859-1", "fr_FR.UTF-8",
+);
+echo "\nde_DE locale:\n";
+
+print_float(3.14);
+
+?>
+--EXPECT--
+C locale:
+- casting:
+3.14
+3.14
+3.14
+- *printf functions:
+3.14
+3.14
+3.14
+3.14
+- export/import:
+3.14
+d:3.14;
+3.14
+- debugging:
+3.14
+float(3.14)
+float(3.14)
+- other:
+3.14
+
+de_DE locale:
+- casting:
+3.14
+3.14
+3.14
+- *printf functions:
+3,14
+3.14
+3,14
+3.14
+- export/import:
+3.14
+d:3.14;
+3.14
+- debugging:
+3.14
+float(3.14)
+float(3.14)
+- other:
+3.14
diff --git a/tests/std/strings/ltrim.phpt b/tests/std/strings/ltrim.phpt
new file mode 100644
index 00000000..952ad282
--- /dev/null
+++ b/tests/std/strings/ltrim.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test ltrim() function
+--FILE--
+<?php
+
+/*  Testing for Error conditions  */
+
+/*  Invalid Number of Arguments */
+
+ echo "\n *** Output for Error Conditions ***\n";
+
+/* heredoc string */
+$str = <<<EOD
+us
+ing heredoc string
+EOD;
+
+echo "\n *** Using heredoc string ***\n";
+var_dump( ltrim($str, "\nusi") );
+
+/* Testing the Normal behaviour of ltrim() function */
+
+ echo "\n *** Output for Normal Behaviour ***\n";
+ var_dump ( ltrim(" \t\0    ltrim test") );                      /* without second Argument */
+ var_dump ( ltrim("   ltrim test" , "") );                       /* no characters in second Argument */
+ var_dump ( ltrim("        ltrim test", true) );                 /* with boolean value as second Argument */
+ var_dump ( ltrim("        ltrim test", " ") );                  /* with single space as second Argument */
+ var_dump ( ltrim("\t\n\r\0\x0B ltrim test", "\t\n\r\0\x0B") );  /* with multiple escape sequences as second Argument */
+ var_dump ( ltrim("ABCXYZltrim test", "A..Z") );                 /* with characters range as second Argument */
+ var_dump ( ltrim("0123456789ltrim test", "0..9") );             /* with numbers range as second Argument */
+ var_dump ( ltrim("@$#ltrim test", "#@$") );                     /* with some special characters as second Argument */
+
+
+echo "\n *** Output for  scalar argument) ***\n";
+var_dump( ltrim(  12345  ) );                                   /* Scalar argument */
+
+echo "\nDone\n";
+
+?>
+--EXPECT--
+*** Output for Error Conditions ***
+
+ *** Using heredoc string ***
+string(17) "ng heredoc string"
+
+ *** Output for Normal Behaviour ***
+string(10) "ltrim test"
+string(13) "   ltrim test"
+string(18) "        ltrim test"
+string(10) "ltrim test"
+string(11) " ltrim test"
+string(10) "ltrim test"
+string(10) "ltrim test"
+string(10) "ltrim test"
+
+ *** Output for  scalar argument) ***
+string(5) "12345"
+
+Done
diff --git a/tests/std/strings/ltrim_basic.phpt b/tests/std/strings/ltrim_basic.phpt
new file mode 100644
index 00000000..094ae223
--- /dev/null
+++ b/tests/std/strings/ltrim_basic.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test ltrim() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing ltrim() : basic functionality ***\n";
+
+$text  = " \t\r\n\0\x0B ---These are a few words---  ";
+$hello  = "!===Hello World===!";
+$binary = "\x09\x0AExample string";
+$alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+
+echo "\n-- Trim string with all white space characters --\n";
+var_dump(ltrim($text));
+
+echo "\n-- Trim non-whitespace from a string --\n";
+var_dump(ltrim($hello, "=!"));
+
+echo "\n-- Trim some non-white space characters from a string --\n";
+var_dump(ltrim($hello, "!oleH="));
+
+echo "\n-- Trim some non-white space characters from a string suing a character range --\n";
+var_dump(ltrim($alpha, "A..Z"));
+
+
+echo "\n-- Trim the ASCII control characters at the beginning of a string --\n";
+var_dump(ltrim($binary, "\x00..\x1F"));
+
+?>
+--EXPECT--
+*** Testing ltrim() : basic functionality ***
+
+-- Trim string with all white space characters --
+string(29) "---These are a few words---  "
+
+-- Trim non-whitespace from a string --
+string(15) "Hello World===!"
+
+-- Trim some non-white space characters from a string --
+string(10) " World===!"
+
+-- Trim some non-white space characters from a string suing a character range --
+string(10) "0123456789"
+
+-- Trim the ASCII control characters at the beginning of a string --
+string(14) "Example string"
diff --git a/tests/std/strings/ltrim_error.phpt b/tests/std/strings/ltrim_error.phpt
new file mode 100644
index 00000000..42ae86eb
--- /dev/null
+++ b/tests/std/strings/ltrim_error.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test ltrim() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing ltrim() : error conditions ***\n";
+
+$hello = "  Hello World\n";
+echo "\n-- Test ltrim function with various invalid charlists\n";
+var_dump(ltrim($hello, "..a"));
+var_dump(ltrim($hello, "a.."));
+var_dump(ltrim($hello, "z..a"));
+var_dump(ltrim($hello, "a..b..c"));
+
+?>
+--EXPECTF--
+*** Testing ltrim() : error conditions ***
+
+-- Test ltrim function with various invalid charlists
+
+Warning: ltrim(): Invalid '..'-range, no character to the left of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: ltrim(): Invalid '..'-range, no character to the right of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: ltrim(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: ltrim(): Invalid '..'-range in %s on line %d
+string(14) "  Hello World
+"
diff --git a/tests/std/strings/md5.phpt b/tests/std/strings/md5.phpt
new file mode 100644
index 00000000..32dba036
--- /dev/null
+++ b/tests/std/strings/md5.phpt
@@ -0,0 +1,20 @@
+--TEST--
+md5() with ASCII output
+--FILE--
+<?php
+echo md5("")."\n";
+echo md5("a")."\n";
+echo md5("abc")."\n";
+echo md5("message digest")."\n";
+echo md5("abcdefghijklmnopqrstuvwxyz")."\n";
+echo md5("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")."\n";
+echo md5("12345678901234567890123456789012345678901234567890123456789012345678901234567890")."\n";
+?>
+--EXPECT--
+d41d8cd98f00b204e9800998ecf8427e
+0cc175b9c0f1b6a831c399e269772661
+900150983cd24fb0d6963f7d28e17f72
+f96b697d7cb7938d525a2f31aaf161d0
+c3fcd3d76192e4007dfb496cca67e13b
+d174ab98d277d9f5a5611c2c9f419d9f
+57edf4a22be3c955ac49da2e2107b67a
diff --git a/tests/std/strings/md5_basic1.phpt b/tests/std/strings/md5_basic1.phpt
new file mode 100644
index 00000000..d0af2371
--- /dev/null
+++ b/tests/std/strings/md5_basic1.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Test md5() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing md5() : basic functionality ***\n";
+var_dump(md5("apple"));
+?>
+--EXPECT--
+*** Testing md5() : basic functionality ***
+string(32) "1f3870be274f6c49b3e31a0c6728957f"
diff --git a/tests/std/strings/md5_basic2.phpt b/tests/std/strings/md5_basic2.phpt
new file mode 100644
index 00000000..a7920648
--- /dev/null
+++ b/tests/std/strings/md5_basic2.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Test md5() function : basic functionality - with raw output
+--FILE--
+<?php
+echo "*** Testing md5() : basic functionality - with raw output***\n";
+$str = "Hello World";
+$md5_raw = md5($str, true);
+var_dump(bin2hex($md5_raw));
+
+$md5 = md5($str, false);
+
+if (strcmp(bin2hex($md5_raw), $md5) == 0 ) {
+    echo "TEST PASSED\n";
+} else {
+    echo "TEST FAILED\n";
+    var_dump($md5_raw, $md5);
+}
+
+?>
+--EXPECT--
+*** Testing md5() : basic functionality - with raw output***
+string(32) "b10a8db164e0754105b7a99be72e3fe5"
+TEST PASSED
diff --git a/tests/std/strings/md5_file.phpt b/tests/std/strings/md5_file.phpt
new file mode 100644
index 00000000..17755634
--- /dev/null
+++ b/tests/std/strings/md5_file.phpt
@@ -0,0 +1,91 @@
+--TEST--
+Test md5_file() function with ASCII output and raw binary output
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+/* Creating an empty file */
+if (($handle = fopen( "EmptyFileMD5.txt", "w+")) == FALSE)
+return false;
+
+/* Creating a data file */
+if (($handle2 = fopen( "DataFileMD5.txt", "w+")) == FALSE)
+return false;
+
+/* Writing into file */
+$filename = "DataFileMD5.txt";
+$content = "Add this to the file\n";
+if (is_writable($filename)) {
+  if (fwrite($handle2, $content) === FALSE) {
+    echo "Cannot write to file ($filename)";
+    exit;
+  }
+}
+
+// close the files
+fclose($handle);
+fclose($handle2);
+
+/* Testing error conditions */
+echo "\n*** Testing for error conditions ***\n";
+
+/* No filename */
+try {
+    var_dump( md5_file("") );
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+/* invalid filename */
+var_dump( md5_file("aZrq16u") );
+
+/* Scalar value as filename  */
+var_dump( md5_file(12) );
+
+/* Hexadecimal Output for Empty file as input */
+echo "\n*** Hexadecimal Output for Empty file as Argument ***\n";
+var_dump( md5_file("EmptyFileMD5.txt") );
+
+/* Raw Binary Output for Empty file as input */
+echo "\n*** Raw Binary Output for Empty file as Argument ***\n";
+var_dump( md5_file("EmptyFileMD5.txt", true) );
+
+/* Normal operation with hexadecimal output */
+echo "\n*** Hexadecimal Output for a valid file with some contents ***\n";
+var_dump( md5_file("DataFileMD5.txt") );
+
+/* Normal operation with raw binary output */
+echo "\n*** Raw Binary Output for a valid file with some contents ***\n";
+var_dump ( md5_file("DataFileMD5.txt", true) );
+
+// remove temp files
+unlink("DataFileMD5.txt");
+unlink("EmptyFileMD5.txt");
+
+echo "\nDone";
+?>
+--EXPECTF--
+*** Testing for error conditions ***
+Path must not be empty
+
+Warning: md5_file(aZrq16u): Failed to open stream: No such file or directory in %s on line %d
+bool(false)
+
+Warning: md5_file(12): Failed to open stream: No such file or directory in %s on line %d
+bool(false)
+
+*** Hexadecimal Output for Empty file as Argument ***
+string(32) "d41d8cd98f00b204e9800998ecf8427e"
+
+*** Raw Binary Output for Empty file as Argument ***
+string(16) "ÔŒÙ�%0²é€	˜ìøB~"
+
+*** Hexadecimal Output for a valid file with some contents ***
+string(32) "7f28ec647825e2a70bf67778472cd4a2"
+
+*** Raw Binary Output for a valid file with some contents ***
+string(16) "(ìdx%â§öwxG,Ô¢"
+
+Done
diff --git a/tests/std/strings/md5raw.phpt b/tests/std/strings/md5raw.phpt
new file mode 100644
index 00000000..8f71ea6d
--- /dev/null
+++ b/tests/std/strings/md5raw.phpt
@@ -0,0 +1,20 @@
+--TEST--
+md5() with RAW output
+--FILE--
+<?php
+echo bin2hex(md5("", TRUE))."\n";
+echo bin2hex(md5("a", TRUE))."\n";
+echo bin2hex(md5("abc", TRUE))."\n";
+echo bin2hex(md5("message digest", TRUE))."\n";
+echo bin2hex(md5("abcdefghijklmnopqrstuvwxyz", TRUE))."\n";
+echo bin2hex(md5("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", TRUE))."\n";
+echo bin2hex(md5("12345678901234567890123456789012345678901234567890123456789012345678901234567890", TRUE))."\n";
+?>
+--EXPECT--
+d41d8cd98f00b204e9800998ecf8427e
+0cc175b9c0f1b6a831c399e269772661
+900150983cd24fb0d6963f7d28e17f72
+f96b697d7cb7938d525a2f31aaf161d0
+c3fcd3d76192e4007dfb496cca67e13b
+d174ab98d277d9f5a5611c2c9f419d9f
+57edf4a22be3c955ac49da2e2107b67a
diff --git a/tests/std/strings/metaphone.phpt b/tests/std/strings/metaphone.phpt
new file mode 100644
index 00000000..6b8f5c1c
--- /dev/null
+++ b/tests/std/strings/metaphone.phpt
@@ -0,0 +1,40 @@
+--TEST--
+metaphone() tests
+--FILE--
+<?php
+
+var_dump(metaphone(""));
+var_dump(metaphone(-1));
+
+try {
+    var_dump(metaphone("valid phrase", -1));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+var_dump(metaphone("valid phrase", 0));
+var_dump(metaphone("valid phrase", 10000));
+
+$array = array(
+"They fell forward, grovelling heedlessly on the cold earth.",
+"But the shadow of horror wheeled and returned, passing lower now, right above them, sweeping the fen-reek with its ghastly wings.",
+"And then it was gone, flying back to Mordor with the speed of the wrath of Sauron; and behind it the wind roared away, leaving the Dead Marshes bare and bleak.",
+"The naked waste, as far as the eye could pierce, even to the distant menace of the mountains, was dappled with the fitful moonlight."
+);
+
+foreach($array as $str) {
+    var_dump(metaphone($str));
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+string(0) ""
+string(0) ""
+metaphone(): Argument #2 ($max_phonemes) must be greater than or equal to 0
+string(6) "FLTFRS"
+string(6) "FLTFRS"
+string(26) "0FLFRWRTKRFLNKHTLSLN0KLTR0"
+string(56) "BT0XTFHRRHLTNTRTRNTPSNKLWRNRFTBF0MSWPNK0FNRKW0TSFSTLWNKS"
+string(69) "ANT0NTWSKNFLYNKBKTMRTRW00SPTF0R0FSRNNTBHNTT0WNTRRTWLFNK0TTMRXSBRNTBLK"
+string(56) "0NKTWSTSFRS0YKLTPRSFNT0TSTNTMNSF0MNTNSWSTPLTW00FTFLMNLFT"
+Done
diff --git a/tests/std/strings/nl2br.phpt b/tests/std/strings/nl2br.phpt
new file mode 100644
index 00000000..c90788fd
--- /dev/null
+++ b/tests/std/strings/nl2br.phpt
@@ -0,0 +1,43 @@
+--TEST--
+nl2br() function
+--FILE--
+<?php
+    var_dump(nl2br("test"));
+    var_dump(nl2br(""));
+    var_dump(nl2br("\r\n"));
+    var_dump(nl2br("\n"));
+    var_dump(nl2br("\r"));
+    var_dump(nl2br("\n\r"));
+
+    var_dump(nl2br("\n\r\r\n\r\r\r\r"));
+    var_dump(nl2br("\n\r\n\n\r\n\r\r\n\r\n"));
+    var_dump(nl2br("\n\r\n\n\n\n\r\r\r\r\n\r"));
+
+?>
+--EXPECT--
+string(4) "test"
+string(0) ""
+string(8) "<br />
+"
+string(7) "<br />
+"
+string(7) "<br />
"
+string(8) "<br />
+
"
+string(44) "<br />
+
<br />
+<br />
<br />
<br />
<br />
"
+string(47) "<br />
+
<br />
+<br />
+
<br />
+
<br />
+<br />
+"
+string(66) "<br />
+
<br />
+<br />
+<br />
+<br />
+
<br />
<br />
<br />
+<br />
"
diff --git a/tests/std/strings/nl2br_variation1.phpt b/tests/std/strings/nl2br_variation1.phpt
new file mode 100644
index 00000000..d7de19bf
--- /dev/null
+++ b/tests/std/strings/nl2br_variation1.phpt
@@ -0,0 +1,75 @@
+--TEST--
+Test nl2br() function : usage variations - double quoted strings for 'str' argument
+--FILE--
+<?php
+/* Test nl2br() function by passing double quoted strings containing various
+ *   combinations of new line chars to 'str' argument
+*/
+
+echo "*** Testing nl2br() : usage variations ***\n";
+
+$strings = array(
+  //new line chars embedded in strings
+  "Hello\nWorld",
+  "\nHello\nWorld\n",
+  "Hello\rWorld",
+  "\rHello\rWorld\r",
+  "Hello\r\nWorld",
+  "\r\nHello\r\nWorld\r\n",
+
+  //one blank line
+  "
+",
+
+  //two blank lines
+  "
+
+",
+
+  //inserted new line in a string
+  "Hello
+World"
+);
+
+//loop through $strings array to test nl2br() function with each element
+$count = 1;
+foreach( $strings as $str ){
+  echo "-- Iteration $count --\n";
+  var_dump(nl2br($str) );
+  $count ++ ;
+}
+echo "Done";
+?>
+--EXPECT--
+*** Testing nl2br() : usage variations ***
+-- Iteration 1 --
+string(17) "Hello<br />
+World"
+-- Iteration 2 --
+string(31) "<br />
+Hello<br />
+World<br />
+"
+-- Iteration 3 --
+string(17) "Hello<br />
World"
+-- Iteration 4 --
+string(31) "<br />
Hello<br />
World<br />
"
+-- Iteration 5 --
+string(18) "Hello<br />
+World"
+-- Iteration 6 --
+string(34) "<br />
+Hello<br />
+World<br />
+"
+-- Iteration 7 --
+string(7) "<br />
+"
+-- Iteration 8 --
+string(14) "<br />
+<br />
+"
+-- Iteration 9 --
+string(17) "Hello<br />
+World"
+Done
diff --git a/tests/std/strings/nl2br_variation2.phpt b/tests/std/strings/nl2br_variation2.phpt
new file mode 100644
index 00000000..88e97693
--- /dev/null
+++ b/tests/std/strings/nl2br_variation2.phpt
@@ -0,0 +1,65 @@
+--TEST--
+Test nl2br() function : usage variations - single quoted strings for 'str' argument
+--FILE--
+<?php
+/* Test nl2br() function by passing single quoted strings containing various
+ *   combinations of new line chars to 'str' argument
+*/
+
+echo "*** Testing nl2br() : usage variations ***\n";
+$strings = array(
+  '\n',
+  '\r',
+  '\r\n',
+  'Hello\nWorld',
+  'Hello\rWorld',
+  'Hello\r\nWorld',
+
+  //one blank line
+  '
+',
+
+  //two blank lines
+  '
+
+',
+
+  //inserted new line
+  'Hello
+World'
+);
+
+//loop through $strings array to test nl2br() function with each element
+$count = 1;
+foreach( $strings as $str ){
+  echo "-- Iteration $count --\n";
+  var_dump(nl2br($str) );
+  $count ++ ;
+}
+echo "Done";
+?>
+--EXPECT--
+*** Testing nl2br() : usage variations ***
+-- Iteration 1 --
+string(2) "\n"
+-- Iteration 2 --
+string(2) "\r"
+-- Iteration 3 --
+string(4) "\r\n"
+-- Iteration 4 --
+string(12) "Hello\nWorld"
+-- Iteration 5 --
+string(12) "Hello\rWorld"
+-- Iteration 6 --
+string(14) "Hello\r\nWorld"
+-- Iteration 7 --
+string(7) "<br />
+"
+-- Iteration 8 --
+string(14) "<br />
+<br />
+"
+-- Iteration 9 --
+string(17) "Hello<br />
+World"
+Done
diff --git a/tests/std/strings/nl2br_variation3.phpt b/tests/std/strings/nl2br_variation3.phpt
new file mode 100644
index 00000000..e066a592
--- /dev/null
+++ b/tests/std/strings/nl2br_variation3.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test nl2br() function : usage variations - heredoc strings for 'str' argument
+--FILE--
+<?php
+/* Test nl2br() function by passing heredoc strings containing various
+ *   combinations of new line chars to 'str' argument
+*/
+
+echo "*** Testing nl2br() : usage variations ***\n";
+//heredoc string containing new line chars(\n, \r and combinations of \r & \n) and new lines
+$heredoc_str1 = <<<EOD
+\n
+\r
+\r\n
+\nnn\n\n\nn
+\rrr\r\r\rr
+\n\r\n\r\r\n\nr\rn
+EOD;
+
+//heredoc string containing embedded 'new line chars'/'new lines' in the string
+$heredoc_str2 = <<<EOD
+Hello\nWorld\r
+This is \tes\t for \n \new lines
+like \n \r\n \r \n\r and etc
+EOD;
+
+var_dump(nl2br($heredoc_str1) );
+var_dump(nl2br($heredoc_str2) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing nl2br() : usage variations ***
+string(147) "<br />
+<br />
+
<br />
+
<br />
+<br />
+<br />
+nn<br />
+<br />
+<br />
+n<br />
+
rr<br />
<br />
<br />
r<br />
+<br />
+
<br />
+
<br />
+<br />
+r<br />
n"
+string(118) "Hello<br />
+World<br />
+This is 	es	 for <br />
+ <br />
+ew lines<br />
+like <br />
+ <br />
+ <br />
 <br />
+
 and etc"
+Done
diff --git a/tests/std/strings/nl2br_variation4.phpt b/tests/std/strings/nl2br_variation4.phpt
new file mode 100644
index 00000000..85d71315
--- /dev/null
+++ b/tests/std/strings/nl2br_variation4.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test nl2br() function : usage variations - html values for 'str' argument
+--FILE--
+<?php
+/*
+* Test nl2br() function by passing html string inputs containing line breaks and
+*   new line chars for 'str'
+*/
+
+echo "*** Testing nl2br() : usage variations ***\n";
+
+//array of html strings
+$strings = array(
+  "<html>Hello<br />world</html>",
+  "<html><br /></html>",
+  "<html>\nHello\r\nworld\r</html>",
+  "<html>\n \r\n \r</html>",
+);
+
+//loop through $strings array to test nl2br() function with each element
+foreach( $strings as $str ){
+  var_dump(nl2br($str) );
+}
+echo "Done";
+?>
+--EXPECT--
+*** Testing nl2br() : usage variations ***
+string(29) "<html>Hello<br />world</html>"
+string(19) "<html><br /></html>"
+string(45) "<html><br />
+Hello<br />
+world<br />
</html>"
+string(37) "<html><br />
+ <br />
+ <br />
</html>"
+Done
diff --git a/tests/std/strings/nl_langinfo_basic.phpt b/tests/std/strings/nl_langinfo_basic.phpt
new file mode 100644
index 00000000..c0f6d7ef
--- /dev/null
+++ b/tests/std/strings/nl_langinfo_basic.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Test nl_langinfo() function : basic functionality
+--SKIPIF--
+<?php
+if( substr(PHP_OS, 0, 3) == 'WIN'){
+  die('skip Not for Windows');
+}
+?>
+--FILE--
+<?php
+
+echo "*** Testing nl_langinfo() : basic functionality ***\n";
+
+$original = setlocale(LC_ALL, 'C');
+
+var_dump(nl_langinfo(ABDAY_2));
+var_dump(nl_langinfo(DAY_4));
+var_dump(nl_langinfo(ABMON_7));
+var_dump(nl_langinfo(MON_4));
+var_dump(nl_langinfo(RADIXCHAR));
+
+setlocale(LC_ALL, $original);
+?>
+--EXPECT--
+*** Testing nl_langinfo() : basic functionality ***
+string(3) "Mon"
+string(9) "Wednesday"
+string(3) "Jul"
+string(5) "April"
+string(1) "."
diff --git a/tests/std/strings/number_format_basic.phpt b/tests/std/strings/number_format_basic.phpt
new file mode 100644
index 00000000..2e54eb1f
--- /dev/null
+++ b/tests/std/strings/number_format_basic.phpt
@@ -0,0 +1,96 @@
+--TEST--
+Test number_format() - basic function test number_format()
+--FILE--
+<?php
+echo "*** Testing number_format() : basic functionality ***\n";
+
+$values = array(1234.5678,
+                -1234.5678,
+                1234.6578e4,
+                -1234.56789e4,
+                0x1234CDEF,
+                02777777777,
+                "123456789",
+                "123.456789",
+                "12.3456789e1",
+                true,
+                false);
+
+echo "\n-- number_format tests.....default --\n";
+for ($i = 0; $i < count($values); $i++) {
+    $res = number_format($values[$i]);
+    var_dump($res);
+}
+
+echo "\n-- number_format tests.....with two dp --\n";
+for ($i = 0; $i < count($values); $i++) {
+    $res = number_format($values[$i], 2);
+    var_dump($res);
+}
+
+echo "\n-- number_format tests.....English format --\n";
+for ($i = 0; $i < count($values); $i++) {
+    $res = number_format($values[$i], 2, '.', ' ');
+    var_dump($res);
+}
+
+echo "\n-- number_format tests.....French format --\n";
+for ($i = 0; $i < count($values); $i++) {
+    $res = number_format($values[$i], 2, ',' , ' ');
+    var_dump($res);
+}
+?>
+--EXPECT--
+*** Testing number_format() : basic functionality ***
+
+-- number_format tests.....default --
+string(5) "1,235"
+string(6) "-1,235"
+string(10) "12,346,578"
+string(11) "-12,345,679"
+string(11) "305,450,479"
+string(11) "402,653,183"
+string(11) "123,456,789"
+string(3) "123"
+string(3) "123"
+string(1) "1"
+string(1) "0"
+
+-- number_format tests.....with two dp --
+string(8) "1,234.57"
+string(9) "-1,234.57"
+string(13) "12,346,578.00"
+string(14) "-12,345,678.90"
+string(14) "305,450,479.00"
+string(14) "402,653,183.00"
+string(14) "123,456,789.00"
+string(6) "123.46"
+string(6) "123.46"
+string(4) "1.00"
+string(4) "0.00"
+
+-- number_format tests.....English format --
+string(8) "1 234.57"
+string(9) "-1 234.57"
+string(13) "12 346 578.00"
+string(14) "-12 345 678.90"
+string(14) "305 450 479.00"
+string(14) "402 653 183.00"
+string(14) "123 456 789.00"
+string(6) "123.46"
+string(6) "123.46"
+string(4) "1.00"
+string(4) "0.00"
+
+-- number_format tests.....French format --
+string(8) "1 234,57"
+string(9) "-1 234,57"
+string(13) "12 346 578,00"
+string(14) "-12 345 678,90"
+string(14) "305 450 479,00"
+string(14) "402 653 183,00"
+string(14) "123 456 789,00"
+string(6) "123,46"
+string(6) "123,46"
+string(4) "1,00"
+string(4) "0,00"
diff --git a/tests/std/strings/ord_basic.phpt b/tests/std/strings/ord_basic.phpt
new file mode 100644
index 00000000..4e00bd0b
--- /dev/null
+++ b/tests/std/strings/ord_basic.phpt
@@ -0,0 +1,38 @@
+--TEST--
+Test ord() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing ord() : basic functionality ***\n";
+
+var_dump(ord("a"));
+var_dump(ord("z"));
+var_dump(ord("0"));
+var_dump(ord("9"));
+var_dump(ord("!"));
+var_dump(ord("*"));
+var_dump(ord("@"));
+var_dump(ord("\n"));
+var_dump(ord("\x0A"));
+var_dump(ord("\xFF"));
+
+// Make sure all valid ascii chars round trip
+for ($i = 0; $i < 255; $i++) {
+    if (ord(chr($i)) != $i) {
+        exit("TEST FAILED: $i does not round trip\n");
+    }
+}
+
+?>
+--EXPECT--
+*** Testing ord() : basic functionality ***
+int(97)
+int(122)
+int(48)
+int(57)
+int(33)
+int(42)
+int(64)
+int(10)
+int(10)
+int(255)
diff --git a/tests/std/strings/ord_not_1_byte.phpt b/tests/std/strings/ord_not_1_byte.phpt
new file mode 100644
index 00000000..f08cf24d
--- /dev/null
+++ b/tests/std/strings/ord_not_1_byte.phpt
@@ -0,0 +1,19 @@
+--TEST--
+ord() with values not one byte long
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump(ord(""));
+var_dump(ord("Hello"));
+
+?>
+--EXPECTF--
+Deprecated: ord(): Providing an empty string is deprecated in %s on line 3
+int(0)
+
+Deprecated: ord(): Providing a string that is not one byte long is deprecated. Use ord($str[0]) instead in %s on line 4
+int(72)
diff --git a/tests/std/strings/oss_fuzz_57392.phpt b/tests/std/strings/oss_fuzz_57392.phpt
new file mode 100644
index 00000000..42e551d6
--- /dev/null
+++ b/tests/std/strings/oss_fuzz_57392.phpt
@@ -0,0 +1,18 @@
+--TEST--
+oss-fuzz #57392: Buffer-overflow in php_fgetcsv() with \0 delimiter and enclosure
+--FILE--
+<?php
+var_dump(str_getcsv(
+    "aaaaaaaaaaaa\0  ",
+    "\0",
+    "\0",
+    escape: '',
+));
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  string(12) "aaaaaaaaaaaa"
+  [1]=>
+  string(2) "  "
+}
diff --git a/tests/std/strings/pack.phpt b/tests/std/strings/pack.phpt
new file mode 100644
index 00000000..e71f9ce3
--- /dev/null
+++ b/tests/std/strings/pack.phpt
@@ -0,0 +1,405 @@
+--TEST--
+Generic pack()/unpack() tests
+--SKIPIF--
+<?php
+if (PHP_INT_MAX > 2147483647) {
+    die("skip 32bit test only");
+}
+?>
+--FILE--
+<?php
+print_r(unpack("A", pack("A", "hello world")));
+print_r(unpack("A*", pack("A*", "hello world")));
+echo '"'.pack("A9", "hello").'"';
+echo "\n";
+
+print_r(unpack("C", pack("C", -127)));
+print_r(unpack("C", pack("C", 127)));
+print_r(unpack("C", pack("C", 255)));
+print_r(unpack("C", pack("C", -129)));
+
+print_r(unpack("H", pack("H", 0x04)));
+
+print_r(unpack("I", pack("I", 65534)));
+print_r(unpack("I", pack("I", 0)));
+print_r(unpack("I", pack("I", -1000)));
+print_r(unpack("I", pack("I", -64434)));
+print_r(unpack("I", pack("I", 4294967296)));
+print_r(unpack("I", pack("I", -4294967296)));
+
+print_r(unpack("L", pack("L", 65534)));
+print_r(unpack("L", pack("L", 0)));
+print_r(unpack("L", pack("L", 2147483650)));
+print_r(unpack("L", pack("L", 4294967295)));
+print_r(unpack("L", pack("L", -2147483648)));
+
+print_r(unpack("N", pack("N", 65534)));
+print_r(unpack("N", pack("N", 0)));
+print_r(unpack("N", pack("N", 2147483650)));
+print_r(unpack("N", pack("N", 4294967296)));
+print_r(unpack("N", pack("N", -2147483648)));
+print_r(unpack("N", pack("N", -30000)));
+
+print_r(unpack("S", pack("S", 65534)));
+print_r(unpack("S", pack("S", 65537)));
+print_r(unpack("S", pack("S", 0)));
+print_r(unpack("S", pack("S", -1000)));
+print_r(unpack("S", pack("S", -64434)));
+print_r(unpack("S", pack("S", -65535)));
+
+print_r(unpack("V", pack("V", 65534)));
+print_r(unpack("V", pack("V", 0)));
+print_r(unpack("V", pack("V", 2147483650)));
+print_r(unpack("V", pack("V", 4294967296)));
+print_r(unpack("V", pack("V", -2147483648)));
+
+print_r(unpack("a", pack("a", "hello world")));
+print_r(unpack("a*", pack("a*", "hello world")));
+
+print_r(unpack("c", pack("c", -127)));
+print_r(unpack("c", pack("c", 127)));
+print_r(unpack("c", pack("c", 255)));
+print_r(unpack("c", pack("c", -129)));
+
+print_r(unpack("h", pack("h", 3000000)));
+
+print_r(unpack("i", pack("i", 65534)));
+print_r(unpack("i", pack("i", 0)));
+print_r(unpack("i", pack("i", -1000)));
+print_r(unpack("i", pack("i", -64434)));
+print_r(unpack("i", pack("i", -65535)));
+print_r(unpack("i", pack("i", -2147483647)));
+
+print_r(unpack("l", pack("l", 65534)));
+print_r(unpack("l", pack("l", 0)));
+print_r(unpack("l", pack("l", 2147483650)));
+print_r(unpack("l", pack("l", 4294967296)));
+print_r(unpack("l", pack("l", -2147483648)));
+
+print_r(unpack("n", pack("n", 65534)));
+print_r(unpack("n", pack("n", 65537)));
+print_r(unpack("n", pack("n", 0)));
+print_r(unpack("n", pack("n", -1000)));
+print_r(unpack("n", pack("n", -64434)));
+print_r(unpack("n", pack("n", -65535)));
+
+print_r(unpack("s", pack("s", 32767)));
+print_r(unpack("s", pack("s", 65535)));
+print_r(unpack("s", pack("s", 0)));
+print_r(unpack("s", pack("s", -1000)));
+print_r(unpack("s", pack("s", -64434)));
+print_r(unpack("s", pack("s", -65535)));
+
+print_r(unpack("v", pack("v", 65534)));
+print_r(unpack("v", pack("v", 65537)));
+print_r(unpack("v", pack("v", 0)));
+print_r(unpack("v", pack("v", -1000)));
+print_r(unpack("v", pack("v", -64434)));
+print_r(unpack("v", pack("v", -65535)));
+?>
+--EXPECTF--
+Array
+(
+    [1] => h
+)
+Array
+(
+    [1] => hello world
+)
+"hello    "
+Array
+(
+    [1] => 129
+)
+Array
+(
+    [1] => 127
+)
+Array
+(
+    [1] => 255
+)
+Array
+(
+    [1] => 127
+)
+Array
+(
+    [1] => 4
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => -1000
+)
+Array
+(
+    [1] => -64434
+)
+
+Warning: The float 4294967296 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => 0
+)
+
+Warning: The float -4294967296 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 2147483650 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -2147483646
+)
+
+Warning: The float 4294967295 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -1
+)
+Array
+(
+    [1] => -2147483648
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 2147483650 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -2147483646
+)
+
+Warning: The float 4294967296 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => -2147483648
+)
+Array
+(
+    [1] => -30000
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 1
+)
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => 64536
+)
+Array
+(
+    [1] => 1102
+)
+Array
+(
+    [1] => 1
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 2147483650 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -2147483646
+)
+
+Warning: The float 4294967296 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => -2147483648
+)
+Array
+(
+    [1] => h
+)
+Array
+(
+    [1] => hello world
+)
+Array
+(
+    [1] => -127
+)
+Array
+(
+    [1] => 127
+)
+Array
+(
+    [1] => -1
+)
+Array
+(
+    [1] => 127
+)
+Array
+(
+    [1] => 3
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => -1000
+)
+Array
+(
+    [1] => -64434
+)
+Array
+(
+    [1] => -65535
+)
+Array
+(
+    [1] => -2147483647
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 2147483650 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -2147483646
+)
+
+Warning: The float 4294967296 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => -2147483648
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 1
+)
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => 64536
+)
+Array
+(
+    [1] => 1102
+)
+Array
+(
+    [1] => 1
+)
+Array
+(
+    [1] => 32767
+)
+Array
+(
+    [1] => -1
+)
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => -1000
+)
+Array
+(
+    [1] => 1102
+)
+Array
+(
+    [1] => 1
+)
+Array
+(
+    [1] => 65534
+)
+Array
+(
+    [1] => 1
+)
+Array
+(
+    [1] => 0
+)
+Array
+(
+    [1] => 64536
+)
+Array
+(
+    [1] => 1102
+)
+Array
+(
+    [1] => 1
+)
diff --git a/tests/std/strings/pack64.phpt b/tests/std/strings/pack64.phpt
new file mode 100644
index 00000000..b93769ce
--- /dev/null
+++ b/tests/std/strings/pack64.phpt
@@ -0,0 +1,150 @@
+--TEST--
+64bit pack()/unpack() tests
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+print_r(unpack("Q", pack("Q", 0xfffffffffffe)));
+print_r(unpack("Q", pack("Q", 0)));
+print_r(unpack("Q", pack("Q", 0x8000000000000002)));
+print_r(unpack("Q", pack("Q", -1)));
+print_r(unpack("Q", pack("Q", 0x8000000000000000)));
+
+print_r(unpack("J", pack("J", 0xfffffffffffe)));
+print_r(unpack("J", pack("J", 0)));
+print_r(unpack("J", pack("J", 0x8000000000000002)));
+print_r(unpack("J", pack("J", -1)));
+print_r(unpack("J", pack("J", 0x8000000000000000)));
+
+print_r(unpack("P", pack("P", 0xfffffffffffe)));
+print_r(unpack("P", pack("P", 0)));
+print_r(unpack("P", pack("P", 0x8000000000000002)));
+print_r(unpack("P", pack("P", -1)));
+print_r(unpack("P", pack("P", 0x8000000000000000)));
+
+print_r(unpack("q", pack("q", 0xfffffffffffe)));
+print_r(unpack("q", pack("q", 0)));
+print_r(unpack("q", pack("q", 0x8000000000000002)));
+print_r(unpack("q", pack("q", -1)));
+print_r(unpack("q", pack("q", 0x8000000000000000)));
+
+print_r(unpack("i", pack("i",  2147483647))); // Max int32
+print_r(unpack("i", pack("i", -2147483647)));
+print_r(unpack("i", pack("i", -2147483648))); // Min int32
+print_r(unpack("I", pack("I",  4294967295))); // Max uint32
+?>
+--EXPECTF--
+Array
+(
+    [1] => 281474976710654
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => -1
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => 281474976710654
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => -1
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => 281474976710654
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => -1
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => 281474976710654
+)
+Array
+(
+    [1] => 0
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => -1
+)
+
+Warning: The float 9.223372036854776E+18 is not representable as an int, cast occurred in %s on line %d
+Array
+(
+    [1] => -9223372036854775808
+)
+Array
+(
+    [1] => 2147483647
+)
+Array
+(
+    [1] => -2147483647
+)
+Array
+(
+    [1] => -2147483648
+)
+Array
+(
+    [1] => 4294967295
+)
diff --git a/tests/std/strings/pack64_32.phpt b/tests/std/strings/pack64_32.phpt
new file mode 100644
index 00000000..10a7b94b
--- /dev/null
+++ b/tests/std/strings/pack64_32.phpt
@@ -0,0 +1,62 @@
+--TEST--
+64bit pack()/unpack() tests
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE > 4) {
+    die("skip 32bit test only");
+}
+?>
+--FILE--
+<?php
+try {
+    var_dump(pack("Q", 0));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(pack("J", 0));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(pack("P", 0));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(pack("q", 0));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    var_dump(unpack("Q", ''));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(unpack("J", ''));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(unpack("P", ''));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(unpack("q", ''));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
+64-bit format codes are not available for 32-bit versions of PHP
diff --git a/tests/std/strings/pack_A.phpt b/tests/std/strings/pack_A.phpt
new file mode 100644
index 00000000..abc12ac1
--- /dev/null
+++ b/tests/std/strings/pack_A.phpt
@@ -0,0 +1,24 @@
+--TEST--
+pack()/unpack(): "A" modifier
+--FILE--
+<?php
+var_dump(
+    pack("A5", "foo "),
+    pack("A4", "fooo"),
+    pack("A4", "foo"),
+    unpack("A*", "foo\0\rbar\0 \t\r\n"),
+    unpack("A4", "foo\0\rbar\0 \t\r\n")
+);
+?>
+--EXPECTF--
+string(5) "foo  "
+string(4) "fooo"
+string(4) "foo "
+array(1) {
+  [1]=>
+  string(8) "foo%c%cbar"
+}
+array(1) {
+  [1]=>
+  string(3) "foo"
+}
diff --git a/tests/std/strings/pack_Z.phpt b/tests/std/strings/pack_Z.phpt
new file mode 100644
index 00000000..cd535ead
--- /dev/null
+++ b/tests/std/strings/pack_Z.phpt
@@ -0,0 +1,55 @@
+--TEST--
+pack()/unpack(): "Z" format
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+var_dump(
+    pack("Z0", "f"),
+    pack("Z5", "foo\0"),
+    pack("Z4", "fooo"),
+    pack("Z4", "foo"),
+    pack("Z*", "foo"),
+    unpack("Z*", "foo\0\rbar\0 \t\r\n"),
+    unpack("Z9", "foo\0\rbar\0 \t\r\n"),
+    unpack("Z2", "\0"),
+    unpack("Z2", "\0\0"),
+    unpack("Z2", "A\0"),
+    unpack("Z2", "AB\0"),
+    unpack("Z2", "ABC")
+);
+?>
+--EXPECTF--
+Warning: unpack(): Type Z: not enough input values, need 2 values but only 1 was provided in %s on line %d
+string(0) ""
+string(5) "foo%c%c"
+string(4) "foo%c"
+string(4) "foo%c"
+string(4) "foo%c"
+array(1) {
+  [1]=>
+  string(3) "foo"
+}
+array(1) {
+  [1]=>
+  string(3) "foo"
+}
+bool(false)
+array(1) {
+  [1]=>
+  string(0) ""
+}
+array(1) {
+  [1]=>
+  string(1) "A"
+}
+array(1) {
+  [1]=>
+  string(2) "AB"
+}
+array(1) {
+  [1]=>
+  string(2) "AB"
+}
diff --git a/tests/std/strings/pack_arrays.phpt b/tests/std/strings/pack_arrays.phpt
new file mode 100644
index 00000000..30189700
--- /dev/null
+++ b/tests/std/strings/pack_arrays.phpt
@@ -0,0 +1,42 @@
+--TEST--
+test unpack() to array with named keys
+--FILE--
+<?php
+$str = pack('VVV', 0x00010203, 0x04050607, 0x08090a0b);
+print_r(unpack('Vaa/Vbb/Vcc', $str));
+print_r(unpack('V2aa/Vcc', $str));
+print_r(unpack('V3aa', $str));
+print_r(unpack('V*aa', $str));
+print_r(unpack('V*', $str));
+?>
+--EXPECT--
+Array
+(
+    [aa] => 66051
+    [bb] => 67438087
+    [cc] => 134810123
+)
+Array
+(
+    [aa1] => 66051
+    [aa2] => 67438087
+    [cc] => 134810123
+)
+Array
+(
+    [aa1] => 66051
+    [aa2] => 67438087
+    [aa3] => 134810123
+)
+Array
+(
+    [aa1] => 66051
+    [aa2] => 67438087
+    [aa3] => 134810123
+)
+Array
+(
+    [1] => 66051
+    [2] => 67438087
+    [3] => 134810123
+)
diff --git a/tests/std/strings/pack_float.phpt b/tests/std/strings/pack_float.phpt
new file mode 100644
index 00000000..50762550
--- /dev/null
+++ b/tests/std/strings/pack_float.phpt
@@ -0,0 +1,316 @@
+--TEST--
+pack()/unpack(): float/double tests
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+var_dump(
+    'pack e',
+    bin2hex(pack("e", "")),
+    bin2hex(pack("e", "a")),
+    bin2hex(pack("e", " ")),
+    bin2hex(pack("e", NULL)),
+    bin2hex(pack("e", 0)),
+    bin2hex(pack("e", 1)),
+    bin2hex(pack("e", 1.0)),
+    bin2hex(pack("e", 10000000000000000)),
+    bin2hex(pack("e", 0.591234709823149)),
+    bin2hex(pack("e", 12345678901234567890.1234567898765432123456789)),
+    bin2hex(pack("e", -1)),
+    bin2hex(pack("e", -1.0)),
+    bin2hex(pack("e", -10000000000000000)),
+    bin2hex(pack("e", -0.591234709823149)),
+    bin2hex(pack("e", -12345678901234567890.1234567898765432123456789)),
+
+    'pack E',
+    bin2hex(pack("E", "")),
+    bin2hex(pack("E", "a")),
+    bin2hex(pack("E", " ")),
+    bin2hex(pack("E", NULL)),
+    bin2hex(pack("E", 0)),
+    bin2hex(pack("E", 1)),
+    bin2hex(pack("E", 1.0)),
+    bin2hex(pack("E", 10000000000000000)),
+    bin2hex(pack("E", 0.591234709823149)),
+    bin2hex(pack("E", 12345678901234567890.1234567898765432123456789)),
+    bin2hex(pack("E", -1)),
+    bin2hex(pack("E", -1.0)),
+    bin2hex(pack("E", -10000000000000000)),
+    bin2hex(pack("E", -0.591234709823149)),
+    bin2hex(pack("E", -12345678901234567890.1234567898765432123456789)),
+
+    'pack g',
+    bin2hex(pack("g", "")),
+    bin2hex(pack("g", "a")),
+    bin2hex(pack("g", " ")),
+    bin2hex(pack("g", NULL)),
+    bin2hex(pack("g", 0)),
+    bin2hex(pack("g", 1)),
+    bin2hex(pack("g", 1.0)),
+    bin2hex(pack("g", 10000000000000000)),
+    bin2hex(pack("g", 0.591234709823149)),
+    bin2hex(pack("g", 12345678901234567890.1234567898765432123456789)),
+    bin2hex(pack("g", -1)),
+    bin2hex(pack("g", -1.0)),
+    bin2hex(pack("g", -10000000000000000)),
+    bin2hex(pack("g", -0.591234709823149)),
+    bin2hex(pack("g", -12345678901234567890.1234567898765432123456789)),
+
+    'pack G',
+    bin2hex(pack("G", "")),
+    bin2hex(pack("G", "a")),
+    bin2hex(pack("G", " ")),
+    bin2hex(pack("G", NULL)),
+    bin2hex(pack("G", 0)),
+    bin2hex(pack("G", 1)),
+    bin2hex(pack("G", 1.0)),
+    bin2hex(pack("G", 10000000000000000)),
+    bin2hex(pack("G", 0.591234709823149)),
+    bin2hex(pack("G", 12345678901234567890.1234567898765432123456789)),
+    bin2hex(pack("G", -1)),
+    bin2hex(pack("G", -1.0)),
+    bin2hex(pack("G", -10000000000000000)),
+    bin2hex(pack("G", -0.591234709823149)),
+    bin2hex(pack("G", -12345678901234567890.1234567898765432123456789)),
+
+    'unpack e',
+    unpack('e', hex2bin('0000000000000000')),
+    unpack('e', hex2bin('000000000000f03f')),
+    unpack('e', hex2bin('0080e03779c34143')),
+    unpack('e', hex2bin('4a6ade0d65ebe23f')),
+    unpack('e', hex2bin('000000000000f0bf')),
+    unpack('e', hex2bin('0080e03779c341c3')),
+    unpack('e', hex2bin('4a6ade0d65ebe2bf')),
+    unpack('e', hex2bin('e1639d31956ae5c3')),
+
+    'unpack E',
+    unpack('E', hex2bin('3ff0000000000000')),
+    unpack('E', hex2bin('4341c37937e08000')),
+    unpack('E', hex2bin('3fe2eb650dde6a4a')),
+    unpack('E', hex2bin('43e56a95319d63e1')),
+    unpack('E', hex2bin('bff0000000000000')),
+    unpack('E', hex2bin('c341c37937e08000')),
+    unpack('E', hex2bin('bfe2eb650dde6a4a')),
+    unpack('E', hex2bin('c3e56a95319d63e1')),
+
+    'unpack g',
+    unpack('g', hex2bin('0000803f')),
+    unpack('g', hex2bin('ca1b0e5a')),
+    unpack('g', hex2bin('285b173f')),
+    unpack('g', hex2bin('aa542b5f')),
+    unpack('g', hex2bin('000080bf')),
+    unpack('g', hex2bin('ca1b0eda')),
+    unpack('g', hex2bin('285b17bf')),
+    unpack('g', hex2bin('aa542bdf')),
+
+    'unpack G',
+    unpack('G', hex2bin('3f800000')),
+    unpack('G', hex2bin('5a0e1bca')),
+    unpack('G', hex2bin('3f175b28')),
+    unpack('G', hex2bin('5f2b54aa')),
+    unpack('G', hex2bin('bf800000')),
+    unpack('G', hex2bin('da0e1bca')),
+    unpack('G', hex2bin('bf175b28')),
+    unpack('G', hex2bin('df2b54aa'))
+
+);
+?>
+--EXPECT--
+string(6) "pack e"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "000000000000f03f"
+string(16) "000000000000f03f"
+string(16) "0080e03779c34143"
+string(16) "4a6ade0d65ebe23f"
+string(16) "e1639d31956ae543"
+string(16) "000000000000f0bf"
+string(16) "000000000000f0bf"
+string(16) "0080e03779c341c3"
+string(16) "4a6ade0d65ebe2bf"
+string(16) "e1639d31956ae5c3"
+string(6) "pack E"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "0000000000000000"
+string(16) "3ff0000000000000"
+string(16) "3ff0000000000000"
+string(16) "4341c37937e08000"
+string(16) "3fe2eb650dde6a4a"
+string(16) "43e56a95319d63e1"
+string(16) "bff0000000000000"
+string(16) "bff0000000000000"
+string(16) "c341c37937e08000"
+string(16) "bfe2eb650dde6a4a"
+string(16) "c3e56a95319d63e1"
+string(6) "pack g"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "0000803f"
+string(8) "0000803f"
+string(8) "ca1b0e5a"
+string(8) "285b173f"
+string(8) "aa542b5f"
+string(8) "000080bf"
+string(8) "000080bf"
+string(8) "ca1b0eda"
+string(8) "285b17bf"
+string(8) "aa542bdf"
+string(6) "pack G"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "00000000"
+string(8) "3f800000"
+string(8) "3f800000"
+string(8) "5a0e1bca"
+string(8) "3f175b28"
+string(8) "5f2b54aa"
+string(8) "bf800000"
+string(8) "bf800000"
+string(8) "da0e1bca"
+string(8) "bf175b28"
+string(8) "df2b54aa"
+string(8) "unpack e"
+array(1) {
+  [1]=>
+  float(0)
+}
+array(1) {
+  [1]=>
+  float(1)
+}
+array(1) {
+  [1]=>
+  float(10000000000000000)
+}
+array(1) {
+  [1]=>
+  float(0.591234709823149)
+}
+array(1) {
+  [1]=>
+  float(-1)
+}
+array(1) {
+  [1]=>
+  float(-10000000000000000)
+}
+array(1) {
+  [1]=>
+  float(-0.591234709823149)
+}
+array(1) {
+  [1]=>
+  float(-1.2345678901234567E+19)
+}
+string(8) "unpack E"
+array(1) {
+  [1]=>
+  float(1)
+}
+array(1) {
+  [1]=>
+  float(10000000000000000)
+}
+array(1) {
+  [1]=>
+  float(0.591234709823149)
+}
+array(1) {
+  [1]=>
+  float(1.2345678901234567E+19)
+}
+array(1) {
+  [1]=>
+  float(-1)
+}
+array(1) {
+  [1]=>
+  float(-10000000000000000)
+}
+array(1) {
+  [1]=>
+  float(-0.591234709823149)
+}
+array(1) {
+  [1]=>
+  float(-1.2345678901234567E+19)
+}
+string(8) "unpack g"
+array(1) {
+  [1]=>
+  float(1)
+}
+array(1) {
+  [1]=>
+  float(10000000272564224)
+}
+array(1) {
+  [1]=>
+  float(0.5912346839904785)
+}
+array(1) {
+  [1]=>
+  float(1.2345679395506094E+19)
+}
+array(1) {
+  [1]=>
+  float(-1)
+}
+array(1) {
+  [1]=>
+  float(-10000000272564224)
+}
+array(1) {
+  [1]=>
+  float(-0.5912346839904785)
+}
+array(1) {
+  [1]=>
+  float(-1.2345679395506094E+19)
+}
+string(8) "unpack G"
+array(1) {
+  [1]=>
+  float(1)
+}
+array(1) {
+  [1]=>
+  float(10000000272564224)
+}
+array(1) {
+  [1]=>
+  float(0.5912346839904785)
+}
+array(1) {
+  [1]=>
+  float(1.2345679395506094E+19)
+}
+array(1) {
+  [1]=>
+  float(-1)
+}
+array(1) {
+  [1]=>
+  float(-10000000272564224)
+}
+array(1) {
+  [1]=>
+  float(-0.5912346839904785)
+}
+array(1) {
+  [1]=>
+  float(-1.2345679395506094E+19)
+}
diff --git a/tests/std/strings/parse_str_basic1.phpt b/tests/std/strings/parse_str_basic1.phpt
new file mode 100644
index 00000000..c63b2273
--- /dev/null
+++ b/tests/std/strings/parse_str_basic1.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test parse_str() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing parse_str() : basic functionality ***\n";
+
+echo "\nBasic test WITH undefined var for result arg\n";
+$s1 = "first=val1&second=val2&third=val3";
+var_dump(parse_str($s1, $res1));
+var_dump($res1);
+
+echo "\nBasic test WITH existing non-array var for result arg\n";
+$res2 =99;
+$s1 = "first=val1&second=val2&third=val3";
+var_dump(parse_str($s1, $res2));
+var_dump($res2);
+
+echo "\nBasic test with an existing array as results array\n";
+$res3_array = array(1,2,3,4);
+var_dump(parse_str($s1, $res3_array));
+var_dump($res3_array);
+
+?>
+--EXPECT--
+*** Testing parse_str() : basic functionality ***
+
+Basic test WITH undefined var for result arg
+NULL
+array(3) {
+  ["first"]=>
+  string(4) "val1"
+  ["second"]=>
+  string(4) "val2"
+  ["third"]=>
+  string(4) "val3"
+}
+
+Basic test WITH existing non-array var for result arg
+NULL
+array(3) {
+  ["first"]=>
+  string(4) "val1"
+  ["second"]=>
+  string(4) "val2"
+  ["third"]=>
+  string(4) "val3"
+}
+
+Basic test with an existing array as results array
+NULL
+array(3) {
+  ["first"]=>
+  string(4) "val1"
+  ["second"]=>
+  string(4) "val2"
+  ["third"]=>
+  string(4) "val3"
+}
diff --git a/tests/std/strings/parse_str_basic2.phpt b/tests/std/strings/parse_str_basic2.phpt
new file mode 100644
index 00000000..8a928cc9
--- /dev/null
+++ b/tests/std/strings/parse_str_basic2.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test parse_str() function : non-default arg_separator.input specified
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+arg_separator.input = "/"
+--FILE--
+<?php
+echo "*** Testing parse_str() : non-default arg_separator.input specified ***\n";
+
+$s1 = "first=val1/second=val2/third=val3";
+var_dump(parse_str($s1, $result));
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing parse_str() : non-default arg_separator.input specified ***
+NULL
+array(3) {
+  ["first"]=>
+  string(4) "val1"
+  ["second"]=>
+  string(4) "val2"
+  ["third"]=>
+  string(4) "val3"
+}
diff --git a/tests/std/strings/parse_str_basic3.phpt b/tests/std/strings/parse_str_basic3.phpt
new file mode 100644
index 00000000..387bf758
--- /dev/null
+++ b/tests/std/strings/parse_str_basic3.phpt
@@ -0,0 +1,229 @@
+--TEST--
+Test parse_str() function : basic functionality
+--INI--
+max_input_vars=100
+filter.default=unsafe_raw
+--FILE--
+<?php
+echo "*** Testing parse_str() : basic functionality ***\n";
+
+echo "\nTest string with array values and results array\n";
+$s1 = "first=abc&a[]=123&a[]=false&b[]=str&c[]=3.5&a[]=last";
+var_dump(parse_str($s1, $res3_array));
+var_dump($res3_array);
+
+echo "\nTest string containing numerical array keys\n";
+$str = "arr[1]=sid&arr[4]=bill";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string containing associative keys\n";
+$str = "arr[first]=sid&arr[forth]=bill";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string with encoded data\n";
+$s1 = "a=%3c%3d%3d%20%20foo+bar++%3d%3d%3e&b=%23%23%23Hello+World%23%23%23";
+parse_str($s1, $res);
+var_dump($res);
+
+echo "\nTest string with single quotes characters\n";
+$s1 = "firstname=Bill&surname=O%27Reilly";
+var_dump(parse_str($s1, $res));
+var_dump($res);
+
+echo "\nTest string with backslash characters\n";
+$s1 = "sum=10%5c2%3d5";
+var_dump(parse_str($s1, $res));
+var_dump($res);
+
+echo "\nTest string with double quotes data\n";
+$s1 = "str=A+string+with+%22quoted%22+strings";
+var_dump(parse_str($s1, $res));
+var_dump($res);
+
+echo "\nTest string with nulls\n";
+$s1 = "str=A%20string%20with%20containing%20%00%00%00%20nulls";
+var_dump(parse_str($s1, $res));
+var_dump($res);
+
+echo "\nTest string with 2-dim array with numeric keys\n";
+$str = "arr[3][4]=sid&arr[3][6]=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string with 2-dim array with null keys\n";
+$str = "arr[][]=sid&arr[][]=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string with 2-dim array with non-numeric keys\n";
+$str = "arr[one][four]=sid&arr[three][six]=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string with 3-dim array with numeric keys\n";
+$str = "arr[1][2][3]=sid&arr[1][2][6]=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+?>
+--EXPECTF--
+*** Testing parse_str() : basic functionality ***
+
+Test string with array values and results array
+NULL
+array(4) {
+  ["first"]=>
+  string(3) "abc"
+  ["a"]=>
+  array(3) {
+    [0]=>
+    string(3) "123"
+    [1]=>
+    string(5) "false"
+    [2]=>
+    string(4) "last"
+  }
+  ["b"]=>
+  array(1) {
+    [0]=>
+    string(3) "str"
+  }
+  ["c"]=>
+  array(1) {
+    [0]=>
+    string(3) "3.5"
+  }
+}
+
+Test string containing numerical array keys
+NULL
+array(1) {
+  ["arr"]=>
+  array(2) {
+    [1]=>
+    string(3) "sid"
+    [4]=>
+    string(4) "bill"
+  }
+}
+
+Test string containing associative keys
+NULL
+array(1) {
+  ["arr"]=>
+  array(2) {
+    ["first"]=>
+    string(3) "sid"
+    ["forth"]=>
+    string(4) "bill"
+  }
+}
+
+Test string with encoded data
+array(2) {
+  ["a"]=>
+  string(17) "<==  foo bar  ==>"
+  ["b"]=>
+  string(17) "###Hello World###"
+}
+
+Test string with single quotes characters
+NULL
+array(2) {
+  ["firstname"]=>
+  string(4) "Bill"
+  ["surname"]=>
+  string(8) "O'Reilly"
+}
+
+Test string with backslash characters
+NULL
+array(1) {
+  ["sum"]=>
+  string(6) "10\2=5"
+}
+
+Test string with double quotes data
+NULL
+array(1) {
+  ["str"]=>
+  string(30) "A string with "quoted" strings"
+}
+
+Test string with nulls
+NULL
+array(1) {
+  ["str"]=>
+  string(34) "A string with containing %0%0%0 nulls"
+}
+
+Test string with 2-dim array with numeric keys
+NULL
+array(1) {
+  ["arr"]=>
+  array(1) {
+    [3]=>
+    array(2) {
+      [4]=>
+      string(3) "sid"
+      [6]=>
+      string(4) "fred"
+    }
+  }
+}
+
+Test string with 2-dim array with null keys
+NULL
+array(1) {
+  ["arr"]=>
+  array(2) {
+    [0]=>
+    array(1) {
+      [0]=>
+      string(3) "sid"
+    }
+    [1]=>
+    array(1) {
+      [0]=>
+      string(4) "fred"
+    }
+  }
+}
+
+Test string with 2-dim array with non-numeric keys
+NULL
+array(1) {
+  ["arr"]=>
+  array(2) {
+    ["one"]=>
+    array(1) {
+      ["four"]=>
+      string(3) "sid"
+    }
+    ["three"]=>
+    array(1) {
+      ["six"]=>
+      string(4) "fred"
+    }
+  }
+}
+
+Test string with 3-dim array with numeric keys
+NULL
+array(1) {
+  ["arr"]=>
+  array(1) {
+    [1]=>
+    array(1) {
+      [2]=>
+      array(2) {
+        [3]=>
+        string(3) "sid"
+        [6]=>
+        string(4) "fred"
+      }
+    }
+  }
+}
diff --git a/tests/std/strings/parse_str_basic4.phpt b/tests/std/strings/parse_str_basic4.phpt
new file mode 100644
index 00000000..ce8e00c0
--- /dev/null
+++ b/tests/std/strings/parse_str_basic4.phpt
@@ -0,0 +1,85 @@
+--TEST--
+Test parse_str() function : test with badly formed strings
+--FILE--
+<?php
+echo "\nTest string with badly formed strings\n";
+$str = "arr[1=sid&arr[4][2=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+$str = "arr1]=sid&arr[4]2]=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+$str = "arr[one=sid&arr[4][two=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string with badly formed % numbers\n";
+$str = "first=%41&second=%a&third=%b";
+var_dump(parse_str($str, $res));
+var_dump($res);
+
+echo "\nTest string with non-binary safe name\n";
+$str = "arr.test[1]=sid&arr test[4][two]=fred";
+var_dump(parse_str($str, $res));
+var_dump($res);
+?>
+--EXPECTF--
+Test string with badly formed strings
+NULL
+array(2) {
+  ["arr_1"]=>
+  string(3) "sid"
+  ["arr"]=>
+  array(1) {
+    [4]=>
+    string(4) "fred"
+  }
+}
+NULL
+array(2) {
+  ["arr1]"]=>
+  string(3) "sid"
+  ["arr"]=>
+  array(1) {
+    [4]=>
+    string(4) "fred"
+  }
+}
+NULL
+array(2) {
+  ["arr_one"]=>
+  string(3) "sid"
+  ["arr"]=>
+  array(1) {
+    [4]=>
+    string(4) "fred"
+  }
+}
+
+Test string with badly formed % numbers
+NULL
+array(3) {
+  ["first"]=>
+  string(1) "A"
+  ["second"]=>
+  string(2) "%a"
+  ["third"]=>
+  string(2) "%b"
+}
+
+Test string with non-binary safe name
+NULL
+array(1) {
+  ["arr_test"]=>
+  array(2) {
+    [1]=>
+    string(3) "sid"
+    [4]=>
+    array(1) {
+      ["two"]=>
+      string(4) "fred"
+    }
+  }
+}
diff --git a/tests/std/strings/parse_str_memory_error.phpt b/tests/std/strings/parse_str_memory_error.phpt
new file mode 100644
index 00000000..12b04c89
--- /dev/null
+++ b/tests/std/strings/parse_str_memory_error.phpt
@@ -0,0 +1,23 @@
+--TEST--
+parse_str() should not read uninitialized memory when checking for $this
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+
+function test() {
+    // strlen("abcd") == 4 is relevant
+    parse_str('abcd=1', $array);
+    var_dump($array);
+}
+
+test();
+
+?>
+--EXPECT--
+array(1) {
+  ["abcd"]=>
+  string(1) "1"
+}
diff --git a/tests/std/strings/parse_str_null_bytes.phpt b/tests/std/strings/parse_str_null_bytes.phpt
new file mode 100644
index 00000000..78650ae7
--- /dev/null
+++ b/tests/std/strings/parse_str_null_bytes.phpt
@@ -0,0 +1,18 @@
+--TEST--
+parse_str() rejects null bytes
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+try {
+    parse_str("a=1\0&b=2", $result);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+parse_str(): Argument #1 ($string) must not contain any null bytes
diff --git a/tests/std/strings/pathinfo.phpt b/tests/std/strings/pathinfo.phpt
new file mode 100644
index 00000000..9ef4b478
--- /dev/null
+++ b/tests/std/strings/pathinfo.phpt
@@ -0,0 +1,143 @@
+--TEST--
+pathinfo() tests
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump(pathinfo(""));
+var_dump(pathinfo("."));
+var_dump(pathinfo(".."));
+var_dump(pathinfo("/"));
+var_dump(pathinfo("./"));
+var_dump(pathinfo("/."));
+var_dump(pathinfo(".cvsignore"));
+var_dump(pathinfo(__FILE__, PATHINFO_BASENAME));
+var_dump(pathinfo(__FILE__, PATHINFO_FILENAME));
+var_dump(pathinfo(__FILE__, PATHINFO_EXTENSION));
+var_dump(pathinfo(__FILE__, PATHINFO_DIRNAME));
+
+try {
+	pathinfo(__FILE__, PATHINFO_EXTENSION|PATHINFO_FILENAME|PATHINFO_DIRNAME);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+try {
+	pathinfo(__FILE__, PATHINFO_EXTENSION|PATHINFO_FILENAME);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+try {
+	pathinfo(__FILE__, PATHINFO_EXTENSION|PATHINFO_DIRNAME);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+try {
+	pathinfo(__FILE__, PATHINFO_FILENAME|PATHINFO_BASENAME);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+try {
+	pathinfo(__FILE__, PATHINFO_DIRNAME|PATHINFO_EXTENSION);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+try {
+	pathinfo(__FILE__, PATHINFO_DIRNAME|PATHINFO_BASENAME);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+
+try {
+	pathinfo(__FILE__, PATHINFO_DIRNAME-1);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+try {
+	pathinfo(__FILE__, PATHINFO_ALL+1);
+} catch (\ValueError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+array(2) {
+  ["basename"]=>
+  string(0) ""
+  ["filename"]=>
+  string(0) ""
+}
+array(4) {
+  ["dirname"]=>
+  string(1) "."
+  ["basename"]=>
+  string(1) "."
+  ["extension"]=>
+  string(0) ""
+  ["filename"]=>
+  string(0) ""
+}
+array(4) {
+  ["dirname"]=>
+  string(1) "."
+  ["basename"]=>
+  string(2) ".."
+  ["extension"]=>
+  string(0) ""
+  ["filename"]=>
+  string(1) "."
+}
+array(3) {
+  ["dirname"]=>
+  string(1) "%e"
+  ["basename"]=>
+  string(0) ""
+  ["filename"]=>
+  string(0) ""
+}
+array(4) {
+  ["dirname"]=>
+  string(1) "."
+  ["basename"]=>
+  string(1) "."
+  ["extension"]=>
+  string(0) ""
+  ["filename"]=>
+  string(0) ""
+}
+array(4) {
+  ["dirname"]=>
+  string(1) "%e"
+  ["basename"]=>
+  string(1) "."
+  ["extension"]=>
+  string(0) ""
+  ["filename"]=>
+  string(0) ""
+}
+array(4) {
+  ["dirname"]=>
+  string(1) "."
+  ["basename"]=>
+  string(10) ".cvsignore"
+  ["extension"]=>
+  string(9) "cvsignore"
+  ["filename"]=>
+  string(0) ""
+}
+string(12) "pathinfo.php"
+string(8) "pathinfo"
+string(3) "php"
+string(%d) "%s%estrings"
+pathinfo(): Argument #2 ($flags) must be only one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be only one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be only one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be only one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be only one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be only one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be one of the PATHINFO_* constants
+pathinfo(): Argument #2 ($flags) must be one of the PATHINFO_* constants
+Done
diff --git a/tests/std/strings/php_strip_whitespace.phpt b/tests/std/strings/php_strip_whitespace.phpt
new file mode 100644
index 00000000..572198e6
--- /dev/null
+++ b/tests/std/strings/php_strip_whitespace.phpt
@@ -0,0 +1,52 @@
+--TEST--
+php_strip_whitespace() tests
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+$filename = __DIR__."/php_strip_whitespace.dat";
+
+var_dump(php_strip_whitespace($filename));
+
+$data = '/* test comment */';
+file_put_contents($filename, $data);
+var_dump(php_strip_whitespace($filename));
+
+$data = '<?php /* test comment */ ?>';
+file_put_contents($filename, $data);
+var_dump(php_strip_whitespace($filename));
+
+$data = '<?php
+/* test class */
+class test {
+
+    /* function foo () */
+
+    function foo () /* {{{ */
+    {
+
+
+        echo $var; //does not exist
+    }
+    /* }}} */
+
+}
+?>';
+
+file_put_contents($filename, $data);
+var_dump(php_strip_whitespace($filename));
+
+@unlink($filename);
+echo "Done\n";
+?>
+--EXPECTF--
+Warning: php_strip_whitespace(%sphp_strip_whitespace.dat): Failed to open stream: No such file or directory in %s on line %d
+string(0) ""
+string(18) "/* test comment */"
+string(9) "<?php  ?>"
+string(55) "<?php
+ class test { function foo () { echo $var; } } ?>"
+Done
diff --git a/tests/std/strings/print_basic.phpt b/tests/std/strings/print_basic.phpt
new file mode 100644
index 00000000..acee52d5
--- /dev/null
+++ b/tests/std/strings/print_basic.phpt
@@ -0,0 +1,88 @@
+--TEST--
+Test print() function : basic functionality
+--SKIPIF--
+<?php
+echo 'skip AOT does not support cross-type reassignment';
+?>
+--FILE--
+<?php
+
+echo "*** Testing print() : basic functionality ***\n";
+
+echo "\n-- Iteration 1 --\n";
+print("Hello World");
+
+echo "\n-- Iteration 2 --\n";
+print "print() also works without parentheses.";
+
+echo "\n-- Iteration 3 --\n";
+print "This spans
+multiple lines. The newlines will be
+output as well";
+
+echo "\n-- Iteration 4 --\n";
+print "This also spans\nmultiple lines. The newlines will be\noutput as well.";
+
+echo "\n-- Iteration 5 --\n";
+print "escaping characters is done \"Like this\".";
+
+// You can use variables inside of a print statement
+$foo = "foobar";
+$bar = "barbaz";
+
+echo "\n-- Iteration 6 --\n";
+print "foo is $foo"; // foo is foobar
+
+// You can also use arrays
+$bar = array("value" => "foo");
+
+echo "\n-- Iteration 7 --\n";
+print "this is {$bar['value']} !"; // this is foo !
+
+// Using single quotes will print the variable name, not the value
+echo "\n-- Iteration 8 --\n";
+print 'foo is $foo'; // foo is $foo
+
+// If you are not using any other characters, you can just print variables
+echo "\n-- Iteration 9 --\n";
+print $foo;          // foobar
+
+echo "\n-- Iteration 10 --\n";
+$variable = "VARIABLE";
+print <<<END
+This uses the "here document" syntax to output
+multiple lines with $variable interpolation. Note
+that the here document terminator must appear on a
+line with just a semicolon no extra whitespace!\n
+END;
+?>
+--EXPECT--
+*** Testing print() : basic functionality ***
+
+-- Iteration 1 --
+Hello World
+-- Iteration 2 --
+print() also works without parentheses.
+-- Iteration 3 --
+This spans
+multiple lines. The newlines will be
+output as well
+-- Iteration 4 --
+This also spans
+multiple lines. The newlines will be
+output as well.
+-- Iteration 5 --
+escaping characters is done "Like this".
+-- Iteration 6 --
+foo is foobar
+-- Iteration 7 --
+this is foo !
+-- Iteration 8 --
+foo is $foo
+-- Iteration 9 --
+foobar
+-- Iteration 10 --
+This uses the "here document" syntax to output
+multiple lines with VARIABLE interpolation. Note
+that the here document terminator must appear on a
+line with just a semicolon no extra whitespace!
diff --git a/tests/std/strings/print_variation1.phpt b/tests/std/strings/print_variation1.phpt
new file mode 100644
index 00000000..5a3e74d3
--- /dev/null
+++ b/tests/std/strings/print_variation1.phpt
@@ -0,0 +1,152 @@
+--TEST--
+Test print() function : usage variations
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing print() function: with unexpected inputs for 'arg' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  }
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+          // integer values
+/*1*/	  0,
+          1,
+          -2,
+          2147483647,
+          -2147483648,
+
+          // float values
+/*6*/	  10.5,
+          -20.5,
+          10.1234567e10,
+
+          // array values
+/*9*/	  array(),
+          array(0),
+          array(1, 2),
+
+          // boolean values
+/*12*/	  true,
+          false,
+          TRUE,
+          FALSE,
+
+          // null values
+/*16*/	  NULL,
+          null,
+
+          // objects
+/*18*/	  new sample(),
+
+          // resource
+/*19*/	  $file_handle,
+
+          // undefined variable
+/*20*/	  @$undefined_var,
+
+          // unset variable
+/*21*/	  @$unset_var
+);
+
+// loop through with each element of the $inputs array to test print() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  $res = print($input);
+  echo "\n";
+  var_dump($res);
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+--EXPECTF--
+*** Testing print() function: with unexpected inputs for 'arg' argument ***
+-- Iteration 1 --
+0
+int(1)
+-- Iteration 2 --
+1
+int(1)
+-- Iteration 3 --
+-2
+int(1)
+-- Iteration 4 --
+2147483647
+int(1)
+-- Iteration 5 --
+-2147483648
+int(1)
+-- Iteration 6 --
+10.5
+int(1)
+-- Iteration 7 --
+-20.5
+int(1)
+-- Iteration 8 --
+101234567000
+int(1)
+-- Iteration 9 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(1)
+-- Iteration 10 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(1)
+-- Iteration 11 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(1)
+-- Iteration 12 --
+1
+int(1)
+-- Iteration 13 --
+
+int(1)
+-- Iteration 14 --
+1
+int(1)
+-- Iteration 15 --
+
+int(1)
+-- Iteration 16 --
+
+int(1)
+-- Iteration 17 --
+
+int(1)
+-- Iteration 18 --
+sample object
+int(1)
+-- Iteration 19 --
+Resource id #%d
+int(1)
+-- Iteration 20 --
+
+int(1)
+-- Iteration 21 --
+
+int(1)
diff --git a/tests/std/strings/printf.phpt b/tests/std/strings/printf.phpt
new file mode 100644
index 00000000..25b361cb
--- /dev/null
+++ b/tests/std/strings/printf.phpt
@@ -0,0 +1,701 @@
+--TEST--
+Test printf() function (32bit)
+--INI--
+precision=14
+--SKIPIF--
+<?php
+if (PHP_INT_MAX > 2147483647) {
+    die("skip 32bit test only");
+}
+?>
+--FILE--
+<?php
+
+/* Various input arrays for different format types */
+
+$float_variation  = array( "%f", "%-f", "%+f", "%7.2f", "%-7.2f", "%07.2f", "%-07.2f", "%'#7.2f" );
+$float_numbers    = array( 0, 1, -1, 0.32, -0.32, 3.4. -3.4, 2.54, -2.54, 1.2345678e99, -1.2345678e99 );
+
+$int_variation    = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers      = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+$char_variation   = array( 'a', "a", 67, -67, 99 );
+
+$string_variation = array( "%5s", "%-5s", "%05s", "%'#5s" );
+$strings          = array( NULL, "abc", 'aaa' );
+
+/* Checking warning messages */
+
+/* Zero argument */
+echo "\n*** Output for zero argument ***\n";
+try {
+    printf();
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* Number of arguments not matching as specified in format field */
+echo "\n*** Output for insufficient number of arguments ***\n";
+$string = "dingy%sflem%dwombat";
+$nbr = 5;
+$name = "voudras";
+try {
+    printf("%d $string %s", $nbr, $name);
+} catch (\ArgumentCountError $e) {
+    print('Error found: '.$e->getMessage());
+}
+
+
+/* Scalar argument */
+echo "\n*** Output for scalar argument ***\n";
+printf(3);
+
+/* Float type variations */
+
+$counter = 1;
+echo "\n\n*** Output for float type ***\n";
+echo "\n Input Float numbers variation array is:\n";
+print_r($float_numbers);
+
+foreach( $float_variation as $float_var )
+{
+ echo "\n\nFloat Iteration $counter";
+ foreach( $float_numbers as $float_num )
+ {
+  echo "\n";
+  printf( $float_var, $float_num );
+ }
+ $counter++;
+}
+
+
+/* Integer type variations */
+
+$counter = 1;
+echo "\n\n*** Output for integer type ***\n";
+echo "\n Input Integer numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_variation as $int_var )
+{
+ echo "\n\nInteger Iteration $counter";
+ foreach( $int_numbers as $int_num )
+ {
+  echo "\n";
+  printf( $int_var, $int_num );
+ }
+ $counter++;
+}
+
+
+/* Binary type variations */
+
+echo "\n\n*** Output for binary type ***\n";
+echo "\n Input  numbers variation array is:\n";
+print_r($int_numbers);
+
+ foreach( $int_numbers as $bin_num )
+ {
+  echo "\n";
+  printf( "%b", $bin_num );
+ }
+
+
+/* Chararter type variations */
+echo "\n\n*** Output for char type ***\n";
+echo "\n Input Characters variation array is:\n";
+print_r($char_variation);
+
+foreach( $char_variation as $char )
+{
+ echo "\n";
+ printf( "%c", $char );
+}
+
+/* Scientific type variations */
+echo "\n\n*** Output for scientific type ***\n";
+echo "\n Input numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $num )
+{
+ echo "\n";
+ printf( "%e", $num );
+}
+
+/* Unsigned Integer type variation */
+echo "\n\n*** Output for unsigned integer type ***\n";
+echo "\n Input Integer numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $unsig_num )
+{
+ echo "\n";
+ printf( "%u", $unsig_num );
+}
+
+/* Octal type variations */
+echo "\n\n*** Output for octal type ***\n";
+echo "\n Input numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $octal_num )
+{
+ echo "\n";
+ printf( "%o", $octal_num );
+}
+
+/* Hexadecimal type variations */
+echo "\n\n*** Output for hexadecimal type ***\n";
+echo "\n Input numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $hexa_num )
+{
+ echo "\n";
+ printf( "%x", $hexa_num );
+}
+
+/* String type variations */
+echo "\n\n*** Output for string type ***\n";
+echo "\n Input Strings format variation array is:\n";
+print_r($string_variation);
+echo "\n Input strings variation array is:\n";
+print_r($strings);
+
+foreach( $string_variation as $string_var )
+{
+ foreach( $strings as $str )
+ {
+  echo "\n";
+  printf( $string_var, $str );
+ }
+}
+
+
+/* variations of %g type */
+$format_g = array("%g", "%.0g", "%+g", "%-g", "%-1.2g", "%+1.2g", "%G", "%.0G", "%+G", "%-G", "%-1.2G", "%+1.2G");
+
+echo "\n\n*** Output for '%g' type ***\n";
+echo "\n Input format variation array is:\n";
+print_r($format_g);
+
+foreach( $format_g as $formatg )
+{
+ printf("\n$formatg",123456);
+ printf("\n$formatg",-123456);
+}
+
+
+/* Some more typical cases */
+
+$tempnum = 12345;
+$tempstring = "abcdefghjklmnpqrstuvwxyz";
+
+echo"\n\n*** Output for '%%%.2f' as the format parameter ***\n";
+printf("%%%.2f",1.23456789e10);
+
+echo"\n\n*** Output for '%%' as the format parameter ***\n";
+printf("%%",1.23456789e10);
+
+echo"\n\n*** Output for precision value more than maximum ***\n";
+printf("%.988f",1.23456789e10);
+
+echo"\n\n*** Output for invalid width(-15) specifier ***\n";
+try {
+    printf("%030.-15s", $tempstring);
+} catch (ValueError $e) {
+    echo $e->getMessage();
+}
+
+echo"\n\n*** Output for '%F' as the format parameter ***\n";
+printf("%F",1.23456789e10);
+
+echo"\n\n*** Output for '%X' as the format parameter ***\n";
+printf("%X",12);
+
+echo"\n\n*** Output  with no format parameter ***\n";
+printf($tempnum);
+
+echo"\n\n*** Output for multiple format parameters ***\n";
+printf("%d  %s  %d\n", $tempnum, $tempstring, $tempnum);
+
+echo"\n\n*** Output for excess of mixed type arguments  ***\n";
+printf("%s", $tempstring, $tempstring, $tempstring);
+
+echo"\n\n*** Output for string format parameter and integer type argument ***\n";
+printf("%s", $tempnum);
+
+echo"\n\n*** Output for integer format parameter and string type argument ***\n";
+printf("%d", $tempstring);
+
+
+?>
+--EXPECTF--
+*** Output for zero argument ***
+printf() expects at least %d argument, %d given
+
+*** Output for insufficient number of arguments ***
+Error found: 5 arguments are required, 3 given
+*** Output for scalar argument ***
+3
+
+*** Output for float type ***
+
+ Input Float numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 0.32
+    [4] => -0.32
+    [5] => 3.4-3.4
+    [6] => 2.54
+    [7] => -2.54
+    [8] => 1.2345678E+99
+    [9] => -1.2345678E+99
+)
+
+
+Float Iteration 1
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+1234567%d.000000
+-1234567%d.000000
+
+Float Iteration 2
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+1234567%d.000000
+-1234567%d.000000
+
+Float Iteration 3
++0.000000
++1.000000
+-1.000000
++0.320000
+-0.320000
++3.400000
++2.540000
+-2.540000
++1234567%d.000000
+-1234567%d.000000
+
+Float Iteration 4
+   0.00
+   1.00
+  -1.00
+   0.32
+  -0.32
+   3.40
+   2.54
+  -2.54
+1234567%d.00
+-1234567%d.00
+
+Float Iteration 5
+0.00   
+1.00   
+-1.00  
+0.32   
+-0.32  
+3.40   
+2.54   
+-2.54  
+1234567%d.00
+-1234567%d.00
+
+Float Iteration 6
+0000.00
+0001.00
+-001.00
+0000.32
+-000.32
+0003.40
+0002.54
+-002.54
+1234567%d.00
+-1234567%d.00
+
+Float Iteration 7
+0.00000
+1.00000
+-1.0000
+0.32000
+-0.3200
+3.40000
+2.54000
+-2.5400
+1234567%d.00
+-1234567%d.00
+
+Float Iteration 8
+###0.00
+###1.00
+##-1.00
+###0.32
+##-0.32
+###3.40
+###2.54
+##-2.54
+1234567%d.00
+-1234567%d.00
+
+*** Output for integer type ***
+
+ Input Integer numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+
+Integer Iteration 1
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+
+Integer Iteration 2
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+
+Integer Iteration 3
++0
++1
+-1
++2
+-2
++23333333
+-23333333
++1234
+
+Integer Iteration 4
+      0
+      1
+     -1
+      2
+     -2
+23333333
+-23333333
+   1234
+
+Integer Iteration 5
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+
+Integer Iteration 6
+0000000
+0000001
+-000001
+0000002
+-000002
+23333333
+-23333333
+0001234
+
+Integer Iteration 7
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+
+Integer Iteration 8
+######0
+######1
+#####-1
+######2
+#####-2
+23333333
+-23333333
+###1234
+
+*** Output for binary type ***
+
+ Input  numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+11111111111111111111111111111111
+10
+11111111111111111111111111111110
+1011001000000100111010101
+11111110100110111111011000101011
+10011010010
+
+*** Output for char type ***
+
+ Input Characters variation array is:
+Array
+(
+    [0] => a
+    [1] => a
+    [2] => 67
+    [3] => -67
+    [4] => 99
+)
+
+%0
+%0
+C
+½
+c
+
+*** Output for scientific type ***
+
+ Input numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0.000000e+0
+1.000000e+0
+-1.000000e+0
+2.700000e+0
+-2.700000e+0
+2.333333e+7
+-2.333333e+7
+1.234000e+3
+
+*** Output for unsigned integer type ***
+
+ Input Integer numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+4294967295
+2
+4294967294
+23333333
+4271633963
+1234
+
+*** Output for octal type ***
+
+ Input numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+37777777777
+2
+37777777776
+131004725
+37646773053
+2322
+
+*** Output for hexadecimal type ***
+
+ Input numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+ffffffff
+2
+fffffffe
+16409d5
+fe9bf62b
+4d2
+
+*** Output for string type ***
+
+ Input Strings format variation array is:
+Array
+(
+    [0] => %5s
+    [1] => %-5s
+    [2] => %r%%r05s
+    [3] => %'#5s
+)
+
+ Input strings variation array is:
+Array
+(
+    [0] => 
+    [1] => abc
+    [2] => aaa
+)
+
+     
+  abc
+  aaa
+     
+abc  
+aaa  
+00000
+00abc
+00aaa
+#####
+##abc
+##aaa
+
+*** Output for '%g' type ***
+
+ Input format variation array is:
+Array
+(
+    [0] => %g
+    [1] => %.0g
+    [2] => %+g
+    [3] => %-g
+    [4] => %-1.2g
+    [5] => %+1.2g
+    [6] => %G
+    [7] => %.0G
+    [8] => %+G
+    [9] => %-G
+    [10] => %-1.2G
+    [11] => %+1.2G
+)
+
+123456
+-123456
+1.0e+5
+-1.0e+5
++123456
+-123456
+123456
+-123456
+1.2e+5
+-1.2e+5
++1.2e+5
+-1.2e+5
+123456
+-123456
+1.0E+5
+-1.0E+5
++123456
+-123456
+123456
+-123456
+1.2E+5
+-1.2E+5
++1.2E+5
+-1.2E+5
+
+*** Output for '%%%.2f' as the format parameter ***
+%12345678900.00
+
+*** Output for '%%' as the format parameter ***
+%
+
+*** Output for precision value more than maximum ***
+
+Notice: printf(): Requested precision of 988 digits was truncated to PHP maximum of 53 digits in %s on line %d
+12345678900.00000000000000000000000000000000000000000000000000000
+
+*** Output for invalid width(-15) specifier ***
+Unknown format specifier "-"
+
+*** Output for '%F' as the format parameter ***
+12345678900.000000
+
+*** Output for '%X' as the format parameter ***
+C
+
+*** Output  with no format parameter ***
+12345
+
+*** Output for multiple format parameters ***
+12345  abcdefghjklmnpqrstuvwxyz  12345
+
+
+*** Output for excess of mixed type arguments  ***
+abcdefghjklmnpqrstuvwxyz
+
+*** Output for string format parameter and integer type argument ***
+12345
+
+*** Output for integer format parameter and string type argument ***
+0
diff --git a/tests/std/strings/printf_64bit.phpt b/tests/std/strings/printf_64bit.phpt
new file mode 100644
index 00000000..eb274927
--- /dev/null
+++ b/tests/std/strings/printf_64bit.phpt
@@ -0,0 +1,699 @@
+--TEST--
+Test printf() function (64bit)
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+
+/* Various input arrays for different format types */
+
+$float_variation  = array( "%f", "%-f", "%+f", "%7.2f", "%-7.2f", "%07.2f", "%-07.2f", "%'#7.2f" );
+$float_numbers    = array( 0, 1, -1, 0.32, -0.32, 3.4. -3.4, 2.54, -2.54, 1.2345678e99, -1.2345678e99 );
+
+$int_variation    = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers      = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+$char_variation   = array( 'a', "a", 67, -67, 99 );
+
+$string_variation = array( "%5s", "%-5s", "%05s", "%'#5s" );
+$strings          = array( NULL, "abc", 'aaa' );
+
+/* Checking warning messages */
+
+/* Zero argument */
+echo "\n*** Output for zero argument ***\n";
+try {
+    printf();
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+/* Number of arguments not matching as specified in format field */
+echo "\n*** Output for insufficient number of arguments ***\n";
+$string = "dingy%sflem%dwombat";
+$nbr = 5;
+$name = "voudras";
+try {
+    printf("%d $string %s", $nbr, $name);
+} catch (\ArgumentCountError $e) {
+    print('Error found: '.$e->getMessage());
+}
+
+
+/* Scalar argument */
+echo "\n*** Output for scalar argument ***\n";
+printf(3);
+
+/* Float type variations */
+
+$counter = 1;
+echo "\n\n*** Output for float type ***\n";
+echo "\n Input Float numbers variation array is:\n";
+print_r($float_numbers);
+
+foreach( $float_variation as $float_var )
+{
+ echo "\n\nFloat Iteration $counter";
+ foreach( $float_numbers as $float_num )
+ {
+  echo "\n";
+  printf( $float_var, $float_num );
+ }
+ $counter++;
+}
+
+
+/* Integer type variations */
+
+$counter = 1;
+echo "\n\n*** Output for integer type ***\n";
+echo "\n Input Integer numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_variation as $int_var )
+{
+ echo "\n\nInteger Iteration $counter";
+ foreach( $int_numbers as $int_num )
+ {
+  echo "\n";
+  printf( $int_var, $int_num );
+ }
+ $counter++;
+}
+
+
+/* Binary type variations */
+
+echo "\n\n*** Output for binary type ***\n";
+echo "\n Input  numbers variation array is:\n";
+print_r($int_numbers);
+
+ foreach( $int_numbers as $bin_num )
+ {
+  echo "\n";
+  printf( "%b", $bin_num );
+ }
+
+
+/* Chararter type variations */
+echo "\n\n*** Output for char type ***\n";
+echo "\n Input Characters variation array is:\n";
+print_r($char_variation);
+
+foreach( $char_variation as $char )
+{
+ echo "\n";
+ printf( "%c", $char );
+}
+
+/* Scientific type variations */
+echo "\n\n*** Output for scientific type ***\n";
+echo "\n Input numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $num )
+{
+ echo "\n";
+ printf( "%e", $num );
+}
+
+/* Unsigned Integer type variation */
+echo "\n\n*** Output for unsigned integer type ***\n";
+echo "\n Input Integer numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $unsig_num )
+{
+ echo "\n";
+ printf( "%u", $unsig_num );
+}
+
+/* Octal type variations */
+echo "\n\n*** Output for octal type ***\n";
+echo "\n Input numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $octal_num )
+{
+ echo "\n";
+ printf( "%o", $octal_num );
+}
+
+/* Hexadecimal type variations */
+echo "\n\n*** Output for hexadecimal type ***\n";
+echo "\n Input numbers variation array is:\n";
+print_r($int_numbers);
+
+foreach( $int_numbers as $hexa_num )
+{
+ echo "\n";
+ printf( "%x", $hexa_num );
+}
+
+/* String type variations */
+echo "\n\n*** Output for string type ***\n";
+echo "\n Input Strings format variation array is:\n";
+print_r($string_variation);
+echo "\n Input strings variation array is:\n";
+print_r($strings);
+
+foreach( $string_variation as $string_var )
+{
+ foreach( $strings as $str )
+ {
+  echo "\n";
+  printf( $string_var, $str );
+ }
+}
+
+
+/* variations of %g type */
+$format_g = array("%g", "%.0g", "%+g", "%-g", "%-1.2g", "%+1.2g", "%G", "%.0G", "%+G", "%-G", "%-1.2G", "%+1.2G");
+
+echo "\n\n*** Output for '%g' type ***\n";
+echo "\n Input format variation array is:\n";
+print_r($format_g);
+
+foreach( $format_g as $formatg )
+{
+ printf("\n$formatg",123456);
+ printf("\n$formatg",-123456);
+}
+
+
+/* Some more typical cases */
+
+$tempnum = 12345;
+$tempstring = "abcdefghjklmnpqrstuvwxyz";
+
+echo"\n\n*** Output for '%%%.2f' as the format parameter ***\n";
+printf("%%%.2f",1.23456789e10);
+
+echo"\n\n*** Output for '%%' as the format parameter ***\n";
+printf("%%",1.23456789e10);
+
+echo"\n\n*** Output for precision value more than maximum ***\n";
+printf("%.988f",1.23456789e10);
+
+echo"\n\n*** Output for invalid width(-15) specifier ***\n";
+try {
+    printf("%030.-15s", $tempstring);
+} catch (ValueError $e) {
+    echo $e->getMessage();
+}
+
+echo"\n\n*** Output for '%F' as the format parameter ***\n";
+printf("%F",1.23456789e10);
+
+echo"\n\n*** Output for '%X' as the format parameter ***\n";
+printf("%X",12);
+
+echo"\n\n*** Output  with no format parameter ***\n";
+printf($tempnum);
+
+echo"\n\n*** Output for multiple format parameters ***\n";
+printf("%d  %s  %d\n", $tempnum, $tempstring, $tempnum);
+
+echo"\n\n*** Output for excess of mixed type arguments  ***\n";
+printf("%s", $tempstring, $tempstring, $tempstring);
+
+echo"\n\n*** Output for string format parameter and integer type argument ***\n";
+printf("%s", $tempnum);
+
+echo"\n\n*** Output for integer format parameter and string type argument ***\n";
+printf("%d", $tempstring);
+
+
+?>
+--EXPECTF--
+*** Output for zero argument ***
+printf() expects at least 1 argument, 0 given
+
+*** Output for insufficient number of arguments ***
+Error found: 5 arguments are required, 3 given
+*** Output for scalar argument ***
+3
+
+*** Output for float type ***
+
+ Input Float numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 0.32
+    [4] => -0.32
+    [5] => 3.4-3.4
+    [6] => 2.54
+    [7] => -2.54
+    [8] => 1.2345678E+99
+    [9] => -1.2345678E+99
+)
+
+
+Float Iteration 1
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.000000
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.000000
+
+Float Iteration 2
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.000000
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.000000
+
+Float Iteration 3
++0.000000
++1.000000
+-1.000000
++0.320000
+-0.320000
++3.400000
++2.540000
+-2.540000
++1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.000000
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.000000
+
+Float Iteration 4
+   0.00
+   1.00
+  -1.00
+   0.32
+  -0.32
+   3.40
+   2.54
+  -2.54
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+
+Float Iteration 5
+0.00   
+1.00   
+-1.00  
+0.32   
+-0.32  
+3.40   
+2.54   
+-2.54  
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+
+Float Iteration 6
+0000.00
+0001.00
+-001.00
+0000.32
+-000.32
+0003.40
+0002.54
+-002.54
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+
+Float Iteration 7
+0.00000
+1.00000
+-1.0000
+0.32000
+-0.3200
+3.40000
+2.54000
+-2.5400
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+
+Float Iteration 8
+###0.00
+###1.00
+##-1.00
+###0.32
+##-0.32
+###3.40
+###2.54
+##-2.54
+1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+-1234567799999999974395005011934353453808157274826416694779123657996479008398428960266851879135215616.00
+
+*** Output for integer type ***
+
+ Input Integer numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+
+Integer Iteration 1
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+
+Integer Iteration 2
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+
+Integer Iteration 3
++0
++1
+-1
++2
+-2
++23333333
+-23333333
++1234
+
+Integer Iteration 4
+      0
+      1
+     -1
+      2
+     -2
+23333333
+-23333333
+   1234
+
+Integer Iteration 5
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+
+Integer Iteration 6
+0000000
+0000001
+-000001
+0000002
+-000002
+23333333
+-23333333
+0001234
+
+Integer Iteration 7
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+
+Integer Iteration 8
+######0
+######1
+#####-1
+######2
+#####-2
+23333333
+-23333333
+###1234
+
+*** Output for binary type ***
+
+ Input  numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+1111111111111111111111111111111111111111111111111111111111111111
+10
+1111111111111111111111111111111111111111111111111111111111111110
+1011001000000100111010101
+1111111111111111111111111111111111111110100110111111011000101011
+10011010010
+
+*** Output for char type ***
+
+ Input Characters variation array is:
+Array
+(
+    [0] => a
+    [1] => a
+    [2] => 67
+    [3] => -67
+    [4] => 99
+)
+
+%0
+%0
+C
+½
+c
+
+*** Output for scientific type ***
+
+ Input numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0.000000e+0
+1.000000e+0
+-1.000000e+0
+2.700000e+0
+-2.700000e+0
+2.333333e+7
+-2.333333e+7
+1.234000e+3
+
+*** Output for unsigned integer type ***
+
+ Input Integer numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+18446744073709551615
+2
+18446744073709551614
+23333333
+18446744073686218283
+1234
+
+*** Output for octal type ***
+
+ Input numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+1777777777777777777777
+2
+1777777777777777777776
+131004725
+1777777777777646773053
+2322
+
+*** Output for hexadecimal type ***
+
+ Input numbers variation array is:
+Array
+(
+    [0] => 0
+    [1] => 1
+    [2] => -1
+    [3] => 2.7
+    [4] => -2.7
+    [5] => 23333333
+    [6] => -23333333
+    [7] => 1234
+)
+
+0
+1
+ffffffffffffffff
+2
+fffffffffffffffe
+16409d5
+fffffffffe9bf62b
+4d2
+
+*** Output for string type ***
+
+ Input Strings format variation array is:
+Array
+(
+    [0] => %5s
+    [1] => %-5s
+    [2] => %r%%r05s
+    [3] => %'#5s
+)
+
+ Input strings variation array is:
+Array
+(
+    [0] => 
+    [1] => abc
+    [2] => aaa
+)
+
+     
+  abc
+  aaa
+     
+abc  
+aaa  
+00000
+00abc
+00aaa
+#####
+##abc
+##aaa
+
+*** Output for '%g' type ***
+
+ Input format variation array is:
+Array
+(
+    [0] => %g
+    [1] => %.0g
+    [2] => %+g
+    [3] => %-g
+    [4] => %-1.2g
+    [5] => %+1.2g
+    [6] => %G
+    [7] => %.0G
+    [8] => %+G
+    [9] => %-G
+    [10] => %-1.2G
+    [11] => %+1.2G
+)
+
+123456
+-123456
+1.0e+5
+-1.0e+5
++123456
+-123456
+123456
+-123456
+1.2e+5
+-1.2e+5
++1.2e+5
+-1.2e+5
+123456
+-123456
+1.0E+5
+-1.0E+5
++123456
+-123456
+123456
+-123456
+1.2E+5
+-1.2E+5
++1.2E+5
+-1.2E+5
+
+*** Output for '%%%.2f' as the format parameter ***
+%12345678900.00
+
+*** Output for '%%' as the format parameter ***
+%
+
+*** Output for precision value more than maximum ***
+
+Notice: printf(): Requested precision of 988 digits was truncated to PHP maximum of %d digits in %s on line %d
+12345678900.0000000000%d
+
+*** Output for invalid width(-15) specifier ***
+Unknown format specifier "-"
+
+*** Output for '%F' as the format parameter ***
+12345678900.000000
+
+*** Output for '%X' as the format parameter ***
+C
+
+*** Output  with no format parameter ***
+12345
+
+*** Output for multiple format parameters ***
+12345  abcdefghjklmnpqrstuvwxyz  12345
+
+
+*** Output for excess of mixed type arguments  ***
+abcdefghjklmnpqrstuvwxyz
+
+*** Output for string format parameter and integer type argument ***
+12345
+
+*** Output for integer format parameter and string type argument ***
+0
diff --git a/tests/std/strings/printf_basic1.phpt b/tests/std/strings/printf_basic1.phpt
new file mode 100644
index 00000000..f0b6f2e4
--- /dev/null
+++ b/tests/std/strings/printf_basic1.phpt
@@ -0,0 +1,55 @@
+--TEST--
+Test printf() function : basic functionality - string format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using string format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%s";
+$format2 = "%s %s";
+$format3 = "%s %s %s";
+$arg1 = "arg1 argument";
+$arg2 = "arg2 argument";
+$arg3 = "arg3 argument";
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments --\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments --\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+
+echo "\n-- Calling printf() with string three arguments --\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using string format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments --
+arg1 argument
+int(13)
+
+-- Calling printf() with two arguments --
+arg1 argument arg2 argument
+int(27)
+
+-- Calling printf() with string three arguments --
+arg1 argument arg2 argument arg3 argument
+int(41)
diff --git a/tests/std/strings/printf_basic2.phpt b/tests/std/strings/printf_basic2.phpt
new file mode 100644
index 00000000..5a5df0ad
--- /dev/null
+++ b/tests/std/strings/printf_basic2.phpt
@@ -0,0 +1,55 @@
+--TEST--
+Test printf() function : basic functionality - integer format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using integer format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%d";
+$format2 = "%d %d";
+$format3 = "%d %d %d";
+$arg1 = 111;
+$arg2 = 222;
+$arg3 = 333;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments--\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments--\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments--\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using integer format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments--
+111
+int(3)
+
+-- Calling printf() with two arguments--
+111 222
+int(7)
+
+-- Calling printf() with three arguments--
+111 222 333
+int(11)
diff --git a/tests/std/strings/printf_basic3.phpt b/tests/std/strings/printf_basic3.phpt
new file mode 100644
index 00000000..0e26dbd5
--- /dev/null
+++ b/tests/std/strings/printf_basic3.phpt
@@ -0,0 +1,75 @@
+--TEST--
+Test printf() function : basic functionality - float format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using float format ***\n";
+
+
+// Initialise all required variables
+
+$format = "format";
+$format1 = "%f";
+$format2 = "%f %f";
+$format3 = "%f %f %f";
+
+$format11 = "%F";
+$format22 = "%F %F";
+$format33 = "%F %F %F";
+$arg1 = 11.11;
+$arg2 = 22.22;
+$arg3 = 33.33;
+
+echo "\n-- Calling printf() with no arguments--\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments--\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+$result = printf($format11, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments--\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+$result = printf($format22, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments--\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+$result = printf($format33, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using float format ***
+
+-- Calling printf() with no arguments--
+format
+int(6)
+
+-- Calling printf() with one arguments--
+11.110000
+int(9)
+11.110000
+int(9)
+
+-- Calling printf() with two arguments--
+11.110000 22.220000
+int(19)
+11.110000 22.220000
+int(19)
+
+-- Calling printf() with three arguments--
+11.110000 22.220000 33.330000
+int(29)
+11.110000 22.220000 33.330000
+int(29)
diff --git a/tests/std/strings/printf_basic4.phpt b/tests/std/strings/printf_basic4.phpt
new file mode 100644
index 00000000..3cc00cce
--- /dev/null
+++ b/tests/std/strings/printf_basic4.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test printf() function : basic functionality - bool format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using bool format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%b";
+$format2 = "%b %b";
+$format3 = "%b %b %b";
+$arg1 = TRUE;
+$arg2 = FALSE;
+$arg3 = true;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments--\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments--\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments--\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using bool format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments--
+1
+int(1)
+
+-- Calling printf() with two arguments--
+1 0
+int(3)
+
+-- Calling printf() with three arguments--
+1 0 1
+int(5)
diff --git a/tests/std/strings/printf_basic5.phpt b/tests/std/strings/printf_basic5.phpt
new file mode 100644
index 00000000..90b16051
--- /dev/null
+++ b/tests/std/strings/printf_basic5.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test printf() function : basic functionality - char format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using char format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%c";
+$format2 = "%c %c";
+$format3 = "%c %c %c";
+$arg1 = 65;
+$arg2 = 66;
+$arg3 = 67;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments --\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments --\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments --\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using char format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments --
+A
+int(1)
+
+-- Calling printf() with two arguments --
+A B
+int(3)
+
+-- Calling printf() with three arguments --
+A B C
+int(5)
diff --git a/tests/std/strings/printf_basic6.phpt b/tests/std/strings/printf_basic6.phpt
new file mode 100644
index 00000000..30872440
--- /dev/null
+++ b/tests/std/strings/printf_basic6.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test printf() function : basic functionality - exponential format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using exponential format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%e";
+$format2 = "%E %e";
+$format3 = "%e %E %e";
+$arg1 = 1000;
+$arg2 = 2e3;
+$arg3 = +3e3;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one argument --\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments --\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments --\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using exponential format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one argument --
+1.000000e+3
+int(11)
+
+-- Calling printf() with two arguments --
+1.000000E+3 2.000000e+3
+int(23)
+
+-- Calling printf() with three arguments --
+1.000000e+3 2.000000E+3 3.000000e+3
+int(35)
diff --git a/tests/std/strings/printf_basic7.phpt b/tests/std/strings/printf_basic7.phpt
new file mode 100644
index 00000000..b7218cd7
--- /dev/null
+++ b/tests/std/strings/printf_basic7.phpt
@@ -0,0 +1,61 @@
+--TEST--
+Test printf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using unsigned format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = -1111;
+$arg2 = -1234567;
+$arg3 = +2345432;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments --\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments --\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments --\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using unsigned format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments --
+4294966185
+int(10)
+
+-- Calling printf() with two arguments --
+4294966185 4293732729
+int(21)
+
+-- Calling printf() with three arguments --
+4294966185 4293732729 2345432
+int(29)
diff --git a/tests/std/strings/printf_basic8.phpt b/tests/std/strings/printf_basic8.phpt
new file mode 100644
index 00000000..395972ba
--- /dev/null
+++ b/tests/std/strings/printf_basic8.phpt
@@ -0,0 +1,60 @@
+--TEST--
+Test printf() function : basic functionality - octal format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using octal format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%o";
+$format2 = "%o %o";
+$format3 = "%o %o %o";
+$arg1 = 021;
+$arg2 = -0347;
+$arg3 = 0567;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments --\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments --\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments --\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using octal format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments --
+21
+int(2)
+
+-- Calling printf() with two arguments --
+21 37777777431
+int(14)
+
+-- Calling printf() with three arguments --
+21 37777777431 567
+int(18)
diff --git a/tests/std/strings/printf_basic9.phpt b/tests/std/strings/printf_basic9.phpt
new file mode 100644
index 00000000..b24f862a
--- /dev/null
+++ b/tests/std/strings/printf_basic9.phpt
@@ -0,0 +1,76 @@
+--TEST--
+Test printf() function : basic functionality - hexadecimal format
+--FILE--
+<?php
+echo "*** Testing printf() : basic functionality - using hexadecimal format ***\n";
+
+// Initialise all required variables
+
+// Initialising different format strings
+$format = "format";
+$format1 = "%x";
+$format2 = "%x %x";
+$format3 = "%x %x %x";
+
+$format11 = "%X";
+$format22 = "%X %X";
+$format33 = "%X %X %X";
+
+$arg1 = 11;
+$arg2 = 132;
+$arg3 = 177;
+
+echo "\n-- Calling printf() with no arguments --\n";
+$result = printf($format);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with one arguments --\n";
+$result = printf($format1, $arg1);
+echo "\n";
+var_dump($result);
+$result = printf($format11, $arg1);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with two arguments --\n";
+$result = printf($format2, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+$result = printf($format22, $arg1, $arg2);
+echo "\n";
+var_dump($result);
+
+echo "\n-- Calling printf() with three arguments --\n";
+$result = printf($format3, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+$result = printf($format33, $arg1, $arg2, $arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing printf() : basic functionality - using hexadecimal format ***
+
+-- Calling printf() with no arguments --
+format
+int(6)
+
+-- Calling printf() with one arguments --
+b
+int(1)
+B
+int(1)
+
+-- Calling printf() with two arguments --
+b 84
+int(4)
+B 84
+int(4)
+
+-- Calling printf() with three arguments --
+b 84 b1
+int(7)
+B 84 B1
+int(7)
diff --git a/tests/std/strings/printf_error.phpt b/tests/std/strings/printf_error.phpt
new file mode 100644
index 00000000..066e0114
--- /dev/null
+++ b/tests/std/strings/printf_error.phpt
@@ -0,0 +1,81 @@
+--TEST--
+Test printf() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT compile-time argument checking differs from PHP runtime';
+?>
+--FILE--
+<?php
+echo "*** Testing printf() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing printf() function with Zero arguments --\n";
+try {
+    var_dump( printf() );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "\n-- Testing printf() function with less than expected no. of arguments --\n";
+$format1 = '%s';
+$format2 = '%s%s';
+$format3 = '%s%s%s';
+$arg1 = 'one';
+$arg2 = 'two';
+
+echo "\n-- Call printf with one argument less than expected --\n";
+try {
+    var_dump( printf($format1) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( printf($format2,$arg1) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( printf($format3,$arg1,$arg2) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "\n-- Call printf with two argument less than expected --\n";
+try {
+    var_dump( printf($format2) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( printf($format3,$arg1) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "\n-- Call printf with three argument less than expected --\n";
+try {
+    var_dump( printf($format3) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+*** Testing printf() : error conditions ***
+
+-- Testing printf() function with Zero arguments --
+printf() expects at least 1 argument, 0 given
+
+-- Testing printf() function with less than expected no. of arguments --
+
+-- Call printf with one argument less than expected --
+2 arguments are required, 1 given
+3 arguments are required, 2 given
+4 arguments are required, 3 given
+
+-- Call printf with two argument less than expected --
+3 arguments are required, 1 given
+4 arguments are required, 2 given
+
+-- Call printf with three argument less than expected --
+4 arguments are required, 1 given
diff --git a/tests/std/strings/printf_h_H.phpt b/tests/std/strings/printf_h_H.phpt
new file mode 100644
index 00000000..01fe69ac
--- /dev/null
+++ b/tests/std/strings/printf_h_H.phpt
@@ -0,0 +1,20 @@
+--TEST--
+sprintf() %h and %H specifiers
+--SKIPIF--
+<?php
+if (setlocale(LC_ALL, 'invalid') === 'invalid') { die('skip setlocale() is broken /w musl'); }
+if (!setlocale(LC_ALL, "de_DE.utf8")) die("skip de_DE.utf8 locale not available");
+?>
+--FILE--
+<?php
+
+setlocale(LC_ALL, "de_DE.utf8");
+$f = 1.25;
+printf("%g %G %h %H\n", $f, $f, $f, $f);
+$f = 0.00000125;
+printf("%g %G %h %H\n", $f, $f, $f, $f);
+
+?>
+--EXPECT--
+1,25 1,25 1.25 1.25
+1,25e-6 1,25E-6 1.25e-6 1.25E-6
diff --git a/tests/std/strings/printf_variation2.phpt b/tests/std/strings/printf_variation2.phpt
new file mode 100644
index 00000000..8a5cd5ac
--- /dev/null
+++ b/tests/std/strings/printf_variation2.phpt
@@ -0,0 +1,296 @@
+--TEST--
+Test printf() function : usage variations - with all types of values for arg1 argument
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+echo "*** Testing printf() : with different types of values passed for arg1 argument ***\n";
+
+// initialing required variables
+$format = '%s';
+$arg2 = 'third argument';
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// declaring class
+class sample
+{
+  public function __toString() {
+    return "Object";
+  }
+}
+
+// creating a file resource
+$file_handle = fopen(__FILE__, 'r');
+
+//array of values to iterate over
+$values = array(
+
+          // int data
+/*1*/     0,
+          1,
+          12345,
+          -2345,
+
+          // float data
+/*5*/     10.5,
+          -10.5,
+          10.1234567e10,
+          10.7654321E-10,
+          .5,
+
+          // array data
+/*10*/    array(),
+          array(0),
+          array(1),
+          array(1, 2),
+          array('color' => 'red', 'item' => 'pen'),
+
+          // null data
+/*15*/    NULL,
+          null,
+
+          // boolean data
+/*17*/    true,
+          false,
+          TRUE,
+          FALSE,
+
+          // empty data
+/*21*/    "",
+          '',
+
+          // string data
+/*23*/    "string",
+          'string',
+
+          // object data
+/*25*/    new sample(),
+
+          // undefined data
+/*26*/    @$undefined_var,
+
+          // unset data
+/*27*/    @$unset_var,
+
+          // resource data
+/*28*/    $file_handle
+);
+
+// loop through each element of the array for arg1
+
+$count = 1;
+foreach($values as $value) {
+  echo "\n-- Iteration $count --\n";
+
+  // with two arguments
+  $result = printf($format, $value);
+  echo "\n";
+  var_dump($result);
+
+  // with three arguments
+  $result = printf($format, $value, $arg2);
+  echo "\n";
+  var_dump($result);
+
+  $count++;
+};
+
+// closing the resource
+fclose($file_handle);
+
+?>
+--EXPECTF--
+*** Testing printf() : with different types of values passed for arg1 argument ***
+
+-- Iteration 1 --
+0
+int(1)
+0
+int(1)
+
+-- Iteration 2 --
+1
+int(1)
+1
+int(1)
+
+-- Iteration 3 --
+12345
+int(5)
+12345
+int(5)
+
+-- Iteration 4 --
+-2345
+int(5)
+-2345
+int(5)
+
+-- Iteration 5 --
+10.5
+int(4)
+10.5
+int(4)
+
+-- Iteration 6 --
+-10.5
+int(5)
+-10.5
+int(5)
+
+-- Iteration 7 --
+101234567000
+int(12)
+101234567000
+int(12)
+
+-- Iteration 8 --
+1.07654321E-9
+int(13)
+1.07654321E-9
+int(13)
+
+-- Iteration 9 --
+0.5
+int(3)
+0.5
+int(3)
+
+-- Iteration 10 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+-- Iteration 11 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+-- Iteration 12 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+-- Iteration 13 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+-- Iteration 14 --
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+Warning: Array to string conversion in %s on line %d
+Array
+int(5)
+
+-- Iteration 15 --
+
+int(0)
+
+int(0)
+
+-- Iteration 16 --
+
+int(0)
+
+int(0)
+
+-- Iteration 17 --
+1
+int(1)
+1
+int(1)
+
+-- Iteration 18 --
+
+int(0)
+
+int(0)
+
+-- Iteration 19 --
+1
+int(1)
+1
+int(1)
+
+-- Iteration 20 --
+
+int(0)
+
+int(0)
+
+-- Iteration 21 --
+
+int(0)
+
+int(0)
+
+-- Iteration 22 --
+
+int(0)
+
+int(0)
+
+-- Iteration 23 --
+string
+int(6)
+string
+int(6)
+
+-- Iteration 24 --
+string
+int(6)
+string
+int(6)
+
+-- Iteration 25 --
+Object
+int(6)
+Object
+int(6)
+
+-- Iteration 26 --
+
+int(0)
+
+int(0)
+
+-- Iteration 27 --
+
+int(0)
+
+int(0)
+
+-- Iteration 28 --
+Resource id #%d
+int(%d)
+Resource id #%d
+int(%d)
diff --git a/tests/std/strings/quoted_printable_decode_basic.phpt b/tests/std/strings/quoted_printable_decode_basic.phpt
new file mode 100644
index 00000000..5b23f1a7
--- /dev/null
+++ b/tests/std/strings/quoted_printable_decode_basic.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Test quoted_printable_decode() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing quoted_printable_decode() : basic functionality ***\n";
+
+$str = "=FAwow-factor=C1=d0=D5=DD=C5=CE=CE=D9=C5=0A=
+=20=D4=cf=D2=C7=CF=D7=D9=C5=
+=20=
+=D0=
+=D2=CF=C5=CB=D4=D9";
+
+var_dump(bin2hex(quoted_printable_decode($str)));
+
+?>
+--EXPECT--
+*** Testing quoted_printable_decode() : basic functionality ***
+string(76) "fa776f772d666163746f72c1d0d5ddc5ceced9c50a20d4cfd2c7cfd7d9c520d0d2cfc5cbd4d9"
diff --git a/tests/std/strings/quoted_printable_encode_001.phpt b/tests/std/strings/quoted_printable_encode_001.phpt
new file mode 100644
index 00000000..a1e0ec13
--- /dev/null
+++ b/tests/std/strings/quoted_printable_encode_001.phpt
@@ -0,0 +1,19 @@
+--TEST--
+quoted_printable_encode() tests - 1
+--FILE--
+<?php
+
+var_dump(quoted_printable_encode(""));
+var_dump(quoted_printable_encode("test"));
+
+var_dump(quoted_printable_encode(1));
+var_dump(quoted_printable_encode(false));
+
+echo "Done\n";
+?>
+--EXPECT--
+string(0) ""
+string(4) "test"
+string(1) "1"
+string(0) ""
+Done
diff --git a/tests/std/strings/quoted_printable_encode_002.phpt b/tests/std/strings/quoted_printable_encode_002.phpt
new file mode 100644
index 00000000..429b6f8f
--- /dev/null
+++ b/tests/std/strings/quoted_printable_encode_002.phpt
@@ -0,0 +1,102 @@
+--TEST--
+quoted_printable_encode() tests - 2
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+$s = str_repeat("\0", 200);
+var_dump($d = quoted_printable_encode($s));
+var_dump(quoted_printable_decode($d));
+
+$s = str_repeat("�трока в юникоде", 50);
+var_dump($d = quoted_printable_encode($s));
+var_dump(quoted_printable_decode($d));
+
+class foo {
+    function __toString() {
+        return "this is a foo";
+    }
+}
+
+$o = new Foo;
+var_dump(quoted_printable_encode($o));
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(621) "=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=
+=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00"
+string(200) "%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0"
+string(4480) "=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=
+=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=
+=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=
+=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=
+=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=
+=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=
+=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=
+=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=
+=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =
+=D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=
+=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=
+=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=
+=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=
+=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=
+=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=
+=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=
+=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=
+=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=
+=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=
+=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =
+=D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=
+=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=
+=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=
+=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=
+=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=
+=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=
+=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=
+=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=
+=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=
+=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=
+=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=
+=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =
+=D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=
+=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=
+=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=
+=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=
+=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=
+=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=
+=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=
+=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=
+=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=
+=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=
+=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =
+=D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=
+=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=
+=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=
+=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=
+=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=
+=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=
+=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=
+=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=
+=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=
+=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=
+=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=
+=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =
+=D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=
+=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=
+=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=
+=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=
+=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=
+=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5"
+string(1500) "�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде�трока в юникоде"
+string(13) "this is a foo"
+Done
diff --git a/tests/std/strings/quotemeta_basic.phpt b/tests/std/strings/quotemeta_basic.phpt
new file mode 100644
index 00000000..5ea93e69
--- /dev/null
+++ b/tests/std/strings/quotemeta_basic.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Test quotemeta() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing quotemeta() : basic functionality ***\n";
+
+var_dump(quotemeta("Hello how are you ?"));
+var_dump(quotemeta("(100 + 50) * 10"));
+var_dump(quotemeta("\+*?[^]($)"));
+?>
+--EXPECT--
+*** Testing quotemeta() : basic functionality ***
+string(20) "Hello how are you \?"
+string(19) "\(100 \+ 50\) \* 10"
+string(20) "\\\+\*\?\[\^\]\(\$\)"
diff --git a/tests/std/strings/quotemeta_basic_1.phpt b/tests/std/strings/quotemeta_basic_1.phpt
new file mode 100644
index 00000000..4d1feb5a
--- /dev/null
+++ b/tests/std/strings/quotemeta_basic_1.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Test function quotemeta() - using an empty string is given as str
+--CREDITS--
+Rodrigo Prado de Jesus <royopa [at] gmail [dot] com>
+User Group: PHPSP #PHPTestFestBrasil
+--FILE--
+<?php
+$str = "";
+var_dump(quotemeta($str));
+?>
+--EXPECT--
+string(0) ""
diff --git a/tests/std/strings/rtrim.phpt b/tests/std/strings/rtrim.phpt
new file mode 100644
index 00000000..40532775
--- /dev/null
+++ b/tests/std/strings/rtrim.phpt
@@ -0,0 +1,68 @@
+--TEST--
+Testing rtrim() function
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+
+/* Testing the Normal behaviour of rtrim() function */
+
+ echo "\n *** Output for Normal Behaviour ***\n";
+ var_dump ( rtrim("rtrim test   \t\0 ") );                       /* without second Argument */
+ var_dump ( rtrim("rtrim test   " , "") );                       /* no characters in second Argument */
+ var_dump ( rtrim("rtrim test        ", true) );                 /* with boolean value as second Argument */
+ var_dump ( rtrim("rtrim test        ", " ") );                  /* with single space as second Argument */
+ var_dump ( rtrim("rtrim test \t\n\r\0\x0B", "\t\n\r\0\x0B") );  /* with multiple escape sequences as second Argument */
+ var_dump ( rtrim("rtrim testABCXYZ", "A..Z") );                 /* with characters range as second Argument */
+ var_dump ( rtrim("rtrim test0123456789", "0..9") );             /* with numbers range as second Argument */
+ var_dump ( rtrim("rtrim test$#@", "#@$") );                     /* with some special characters as second Argument */
+
+
+/* Use of class and objects */
+echo "\n*** Checking with OBJECTS ***\n";
+class string1 {
+  public function __toString() {
+    return "Object";
+  }
+}
+$obj = new string1;
+var_dump( rtrim($obj, "tc") );
+
+/* String with embedded NULL */
+echo "\n*** String with embedded NULL ***\n";
+var_dump( rtrim("234\x0005678\x0000efgh\xijkl\x0n1", "\x0n1") );
+
+/* heredoc string */
+$str = <<<EOD
+us
+ing heredoc string
+EOD;
+
+echo "\n *** Using heredoc string ***\n";
+var_dump( rtrim($str, "ing") );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Output for Normal Behaviour ***
+string(10) "rtrim test"
+string(13) "rtrim test   "
+string(18) "rtrim test        "
+string(10) "rtrim test"
+string(11) "rtrim test "
+string(10) "rtrim test"
+string(10) "rtrim test"
+string(10) "rtrim test"
+
+*** Checking with OBJECTS ***
+string(4) "Obje"
+
+*** String with embedded NULL ***
+string(22) "234%005678%000efgh\xijkl"
+
+ *** Using heredoc string ***
+string(18) "us
+ing heredoc str"
+Done
diff --git a/tests/std/strings/rtrim_basic.phpt b/tests/std/strings/rtrim_basic.phpt
new file mode 100644
index 00000000..ed0ca83b
--- /dev/null
+++ b/tests/std/strings/rtrim_basic.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test rtrim() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing rtrim() : basic functionality ***\n";
+
+$text  = "---These are a few words---  \t\r\n\0\x0B  ";
+$hello  = "!===Hello World===!";
+$alpha = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+$binary = "Example string\x0A\x0D";
+
+
+
+echo "\n-- Trim string with all white space characters --\n";
+var_dump(rtrim($text));
+
+echo "\n-- Trim non-whitespace from a string --\n";
+var_dump(rtrim($hello, "=!"));
+
+echo "\n-- Trim some non-white space characters from a string --\n";
+var_dump(rtrim($hello, "!dlWro="));
+
+echo "\n-- Trim some non-white space characters from a string using a character range --\n";
+var_dump(rtrim($alpha, "A..Z"));
+
+echo "\n-- Trim the ASCII control characters at the beginning of a string --\n";
+var_dump(rtrim($binary, "\x00..\x1F"));
+
+?>
+--EXPECT--
+*** Testing rtrim() : basic functionality ***
+
+-- Trim string with all white space characters --
+string(27) "---These are a few words---"
+
+-- Trim non-whitespace from a string --
+string(15) "!===Hello World"
+
+-- Trim some non-white space characters from a string --
+string(10) "!===Hello "
+
+-- Trim some non-white space characters from a string using a character range --
+string(10) "0123456789"
+
+-- Trim the ASCII control characters at the beginning of a string --
+string(14) "Example string"
diff --git a/tests/std/strings/rtrim_error.phpt b/tests/std/strings/rtrim_error.phpt
new file mode 100644
index 00000000..81a4d65a
--- /dev/null
+++ b/tests/std/strings/rtrim_error.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test rtrim() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing rtrim() : error conditions ***\n";
+
+$hello = "  Hello World\n";
+echo "\n-- Test rtrim function with various invalid charlists\n";
+var_dump(rtrim($hello, "..a"));
+var_dump(rtrim($hello, "a.."));
+var_dump(rtrim($hello, "z..a"));
+var_dump(rtrim($hello, "a..b..c"));
+
+?>
+--EXPECTF--
+*** Testing rtrim() : error conditions ***
+
+-- Test rtrim function with various invalid charlists
+
+Warning: rtrim(): Invalid '..'-range, no character to the left of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: rtrim(): Invalid '..'-range, no character to the right of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: rtrim(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: rtrim(): Invalid '..'-range in %s on line %d
+string(14) "  Hello World
+"
diff --git a/tests/std/strings/sapi_windows_cp_conv.phpt b/tests/std/strings/sapi_windows_cp_conv.phpt
new file mode 100644
index 00000000..6360fa02
--- /dev/null
+++ b/tests/std/strings/sapi_windows_cp_conv.phpt
@@ -0,0 +1,21 @@
+--TEST--
+sapi_windows_cp_conv basic functionality
+--SKIPIF--
+<?php
+if (PHP_OS_FAMILY !== 'Windows') die('skip for Windows only');
+if (!sapi_windows_cp_set(1252) || !sapi_windows_cp_set(65001)) die('skip codepage not available');
+?>
+--FILE--
+<?php
+var_dump(
+    bin2hex(sapi_windows_cp_conv(65001, 1252, 'äöü')),
+    bin2hex(sapi_windows_cp_conv('utf-8', 1252, 'äöü')),
+    bin2hex(sapi_windows_cp_conv(65001, 'windows-1252', 'äöü')),
+    bin2hex(sapi_windows_cp_conv('utf-8', 'windows-1252', 'äöü')),
+);
+?>
+--EXPECT--
+string(6) "e4f6fc"
+string(6) "e4f6fc"
+string(6) "e4f6fc"
+string(6) "e4f6fc"
diff --git a/tests/std/strings/setlocale-win32.phpt b/tests/std/strings/setlocale-win32.phpt
new file mode 100644
index 00000000..e6aeda5f
--- /dev/null
+++ b/tests/std/strings/setlocale-win32.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Unix locale names are rejected on Windows, except for some special cases
+--SKIPIF--
+<?php
+if (substr(PHP_OS, 0, 3) != 'WIN') die('skip this test is for Windows platforms only');
+?>
+--FILE--
+<?php
+var_dump(setlocale(LC_ALL, 'de_DE'));
+var_dump(setlocale(LC_ALL, 'de_DE.UTF-8'));
+// the following are supposed to be accepted
+var_dump(setlocale(LC_ALL, 'uk_UK'));
+var_dump(setlocale(LC_ALL, 'uk_US'));
+var_dump(setlocale(LC_ALL, 'us_UK'));
+var_dump(setlocale(LC_ALL, 'us_US'));
+?>
+--EXPECT--
+bool(false)
+bool(false)
+string(27) "English_United Kingdom.1252"
+string(26) "English_United States.1252"
+string(27) "English_United Kingdom.1252"
+string(26) "English_United States.1252"
diff --git a/tests/std/strings/setlocale_basic1.phpt b/tests/std/strings/setlocale_basic1.phpt
new file mode 100644
index 00000000..976bd68a
--- /dev/null
+++ b/tests/std/strings/setlocale_basic1.phpt
@@ -0,0 +1,111 @@
+--TEST--
+Test setlocale() function : basic functionality - setting system locale to a specific
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/* test setlocale by specifying a specific locale as input */
+
+function list_system_locales() {
+  // start the buffering of next command to internal output buffer
+  ob_start();
+
+  // run the command 'locale -a' to fetch all locales available in the system
+  system('locale -a');
+
+  // get the contents from the internal output buffer
+  $all_locales = ob_get_contents();
+
+  // fflush and end the output buffering to internal output buffer
+  ob_end_clean();
+
+  $system_locales = explode("\n", $all_locales);
+
+  // return all the locale found in the system
+  return $system_locales;
+}
+
+/* Collect existing system locales and set one among them,
+   Check the currency settings in the new locale  */
+echo "*** Testing setlocale() : basic functionality - set to a specific locale ***\n";
+
+//set of locales to be used
+$common_locales = array(
+  "english_US"=> "en_US.utf8",
+  "english_AU" => "en_AU.utf8",
+  "korean_KR" => "ko_KR.utf8",
+  "Chinese_zh" => "zh_CN.utf8",
+  "germen_DE" => "de_DE.utf8",
+  "spanish_es" => "es_EC.utf8",
+  "french_FR" => "fr_FR.utf8",
+  "japanees_JP" => "ja_JP.utf8",
+  "greek_GR" => "el_GR.utf8",
+  "dutch_NL" => "nl_NL.utf8"
+);
+
+//set of currency symbol according to above list of locales
+$currency_symbol = array(
+  "en_US.utf8" => "USD",
+  "en_AU.utf8" => "AUD",
+  "ko_KR.utf8" => "KRW",
+  "zh_CN.utf8" => "CNY",
+  "de_DE.utf8" => "EUR",
+  "es_EC.utf8" => "USD",
+  "fr_FR.utf8" => "EUR",
+  "ja_JP.utf8" => "JPY",
+  "el_GR.utf8" => "EUR",
+  "nl_NL.utf8" =>"EUR"
+);
+
+// gather all the locales installed in the system
+$all_system_locales = list_system_locales();
+
+// set the system locale to a locale, choose the right locale by
+// finding a common locale in commonly used locale stored in
+// $common_locales & locales that are available in the system, stored
+// in $all_system_locales.
+echo "Setting system locale(LC_ALL) to ";
+foreach($common_locales as $value) {
+  // check if a commonly used locale is installed in the system
+  // Solaris uses .UTF-8 canonical form, so normalize
+  $normalized = preg_replace('/\.utf8$/i', '.UTF-8', $value);
+
+  if (in_array($value, $all_system_locales) ||
+      in_array($normalized, $all_system_locales)) {
+    echo "$value\n"; // print, this is found
+    // set the found locale as current locale
+    var_dump(setlocale(LC_ALL, $value ));
+    // stop here
+    break;
+  }
+  else{
+    // continue to check if next commonly locale is installed in the system
+    continue;
+  }
+}
+
+// check that new locale setting is effective
+// use localeconv() to get the details of currently set locale
+$locale_info = localeconv();
+
+//checking currency settings in the new locale to see if the setlocale() was effective
+$new_currency = trim($locale_info['int_curr_symbol']);
+echo "Checking currency settings in the new locale, expected: ".$currency_symbol[$value].", Found: ".$new_currency."\n";
+echo "Test ";
+if(trim($currency_symbol[$value]) == $new_currency){
+  echo "PASSED.";
+} else {
+  echo "FAILED.";
+}
+
+echo "\nDone\n";
+?>
+--EXPECTF--
+*** Testing setlocale() : basic functionality - set to a specific locale ***
+Setting system locale(LC_ALL) to %s
+string(%d) %s
+Checking currency settings in the new locale, expected: %s, Found: %s
+Test PASSED.
+Done
diff --git a/tests/std/strings/setlocale_basic2.phpt b/tests/std/strings/setlocale_basic2.phpt
new file mode 100644
index 00000000..3b17265c
--- /dev/null
+++ b/tests/std/strings/setlocale_basic2.phpt
@@ -0,0 +1,117 @@
+--TEST--
+Test setlocale() function : basic functionality - set locale using an array
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/* Test the setlocale() when an array is provided as input containing list of locales */
+
+function list_system_locales() {
+  // start the buffering of next command to internal output buffer
+  ob_start();
+
+  // run the command 'locale -a' to fetch all locales available in the system
+  system('locale -a');
+
+  // get the contents from the internal output buffer
+  $all_locales = ob_get_contents();
+
+  // fflush and end the output buffering to internal output buffer
+  ob_end_clean();
+
+  $system_locales = explode("\n", $all_locales);
+
+  // return all the locale found in the system
+  return $system_locales;
+}
+
+/* Collect existing system locales and prepare a list of locales that can be used as
+   input to setlocale() */
+
+echo "*** Testing setlocale() with an array containing list of locales ***\n";
+
+//set of locales to be used
+$common_locales = array(
+  "english_US"=> "en_US.utf8",
+  "english_AU" => "en_AU.utf8",
+  "korean_KR" => "ko_KR.utf8",
+  "Chinese_zh" => "zh_CN.utf8",
+  "germen_DE" => "de_DE.utf8",
+  "spanish_es" => "es_EC.utf8",
+  "french_FR" => "fr_FR.utf8",
+  "japanees_JP" => "ja_JP.utf8",
+  "greek_GR" => "el_GR.utf8",
+  "dutch_NL" => "nl_NL.utf8"
+);
+
+//set of currency symbol according to above list of locales
+$currency_symbol = array(
+  "en_US.utf8" => "USD",
+  "en_AU.utf8" => "AUD",
+  "ko_KR.utf8" => "KRW",
+  "zh_CN.utf8" => "CNY",
+  "de_DE.utf8" => "EUR",
+  "es_EC.utf8" => "USD",
+  "fr_FR.utf8" => "EUR",
+  "ja_JP.utf8" => "JPY",
+  "el_GR.utf8" => "EUR",
+  "nl_NL.utf8" =>"EUR"
+);
+
+// gather all the locales installed in the system
+$all_system_locales = list_system_locales();
+
+// prepare the list of locales based on list of locales found in the system
+// and those known to this script ( as stored $common_locales) which can be
+// given as input to setlocale(), later verify the new locale setting by
+// checking the currency setting of the system(use localconv())
+$list_of_locales = array();
+foreach($common_locales as $value) {
+  // Solaris uses canonical .UTF-8 form, so normalize the name
+  $normalized = preg_replace('/\.utf8$/i', '.UTF-8', $value);
+
+  if (in_array($value, $all_system_locales) ||
+      in_array($normalized, $all_system_locales)) {
+
+    $list_of_locales[] = $value;
+  }
+}
+
+// Now $list_of_locales array contains the locales that can be passed to
+// setlocale() function.
+echo "-- Testing setlocale() : 'category' argument as LC_ALL & 'locale' argument as an array --\n";
+if ( count($list_of_locales) > 0 ) {
+  // set locale to $list_of_locales
+  $new_locale = setlocale(LC_ALL, $list_of_locales);
+
+  // dump the current locale
+  var_dump($new_locale);
+
+  // check that new locale setting is effective
+  // use localeconv() to get the details of currently set locale
+  $locale_info = localeconv();
+  $new_currency = trim($locale_info['int_curr_symbol']);
+
+  echo "Checking currency settings in the new locale, expected: ".$currency_symbol[$new_locale].", Found: ".$new_currency."\n";
+  echo "Test ";
+
+  if(trim($currency_symbol[$new_locale]) == $new_currency){
+    echo "PASSED.\n";
+  } else {
+    echo "FAILED.\n";
+  }
+} else {
+  echo "Test FAILED.\n";
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing setlocale() with an array containing list of locales ***
+-- Testing setlocale() : 'category' argument as LC_ALL & 'locale' argument as an array --
+string(%d) "%s"
+Checking currency settings in the new locale, expected: %s, Found: %s
+Test PASSED.
+Done
diff --git a/tests/std/strings/setlocale_basic3.phpt b/tests/std/strings/setlocale_basic3.phpt
new file mode 100644
index 00000000..422e3d5a
--- /dev/null
+++ b/tests/std/strings/setlocale_basic3.phpt
@@ -0,0 +1,91 @@
+--TEST--
+Test setlocale() function : basic functionality - passing multiple locales as argument
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/* Test the setlocale() when multiple locales are provided as argument */
+
+function list_system_locales() {
+  // start the buffering of next command to internal output buffer
+  ob_start();
+
+  // run the command 'locale -a' to fetch all locales available in the system
+  system('locale -a');
+
+  // get the contents from the internal output buffer
+  $all_locales = ob_get_contents();
+
+  // fflush and end the output buffering to internal output buffer
+  ob_end_clean();
+
+  $system_locales = explode("\n", $all_locales);
+
+  // return all the locale found in the system
+  return $system_locales;
+}
+
+/* Collect existing system locales and get three locales that can be use to
+   pass as argument to setlocale() */
+echo "*** Testing setlocale() by passing multiple locales as argument ***\n";
+
+if (PHP_OS_FAMILY === 'Solaris') {
+  $utfending = "UTF-8";
+} else {
+  $utfending = "utf8";
+}
+
+//set of currency symbol according to above list of locales
+$currency_symbol = array(
+  "en_US.$utfending" => "USD",
+  "en_AU.$utfending" => "AUD",
+  "ko_KR.$utfending" => "KRW",
+  "zh_CN.$utfending" => "CNY",
+  "de_DE.$utfending" => "EUR",
+  "es_EC.$utfending" => "USD",
+  "fr_FR.$utfending" => "EUR",
+  "ja_JP.$utfending" => "JPY",
+  "el_GR.$utfending" => "EUR",
+  "nl_NL.$utfending" =>"EUR"
+);
+
+// gather all the locales installed in the system
+$all_system_locales = list_system_locales();
+
+// Now check for three locales that is present in the system and use that as argument to setlocale()
+if( in_array("en_US.$utfending",$all_system_locales) ||
+    in_array("Ko_KR.$utfending",$all_system_locales) ||
+    in_array("zh_CN.$utfending",$all_system_locales) ) {
+  echo "-- Testing setlocale() by giving 'category' as LC_ALL & multiple locales(en_US.utf8, Ko_KR.utf8, zh_CN.utf8) --\n";
+
+  // call setlocale()
+  $new_locale = setlocale(LC_ALL, "en_US.$utfending", "Ko_KR.$utfending", "zh_CN.$utfending");
+
+  // dump the name of the new locale set by setlocale()
+  var_dump($new_locale);
+
+  // check that new locale setting is effective
+  // use localeconv() to get the details of currently set locale
+  $locale_info = localeconv();
+  $new_currency = trim($locale_info['int_curr_symbol']);
+
+  echo "Checking currency settings in the new locale, expected: ".$currency_symbol[$new_locale].", Found: ".$new_currency."\n";
+  echo "Test ";
+  if( trim($currency_symbol[$new_locale]) == $new_currency) {
+    echo "PASSED.\n";
+  } else {
+    echo "FAILED.\n";
+  }
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing setlocale() by passing multiple locales as argument ***
+-- Testing setlocale() by giving 'category' as LC_ALL & multiple locales(en_US.utf8, Ko_KR.utf8, zh_CN.utf8) --
+string(%d) "%s"
+Checking currency settings in the new locale, expected: %s, Found: %s
+Test PASSED.
+Done
diff --git a/tests/std/strings/setlocale_error.phpt b/tests/std/strings/setlocale_error.phpt
new file mode 100644
index 00000000..0899e848
--- /dev/null
+++ b/tests/std/strings/setlocale_error.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test setlocale() function : error condition
+--INI--
+error_reporting=E_ALL
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+echo "*** Testing setlocale() : error conditions ***\n";
+
+echo "\n-- Testing setlocale() function with invalid locale array, 'category' = LC_ALL --\n";
+//Invalid array of locales
+$invalid_locales = array("en_US.invalid", "en_AU.invalid", "ko_KR.invalid");
+var_dump( setlocale(LC_ALL,$invalid_locales) );
+
+echo "\n-- Testing setlocale() function with invalid multiple locales, 'category' = LC_ALL --\n";
+//Invalid array of locales
+var_dump( setlocale(LC_ALL,"en_US.invalid", "en_AU.invalid", "ko_KR.invalid") );
+
+echo "\n-- Testing setlocale() function with locale name too long, 'category' = LC_ALL --";
+//Invalid locale - locale name too long
+var_dump(setlocale(LC_ALL,str_pad('',255,'A')));
+
+echo "\nDone";
+?>
+--EXPECTF--
+*** Testing setlocale() : error conditions ***
+
+-- Testing setlocale() function with invalid locale array, 'category' = LC_ALL --
+bool(false)
+
+-- Testing setlocale() function with invalid multiple locales, 'category' = LC_ALL --
+bool(false)
+
+-- Testing setlocale() function with locale name too long, 'category' = LC_ALL --
+Warning: setlocale(): Specified locale name is too long in %s on line %d
+bool(false)
+
+Done
diff --git a/tests/std/strings/setlocale_variation1.phpt b/tests/std/strings/setlocale_variation1.phpt
new file mode 100644
index 00000000..c5e01b68
--- /dev/null
+++ b/tests/std/strings/setlocale_variation1.phpt
@@ -0,0 +1,91 @@
+--TEST--
+Test setlocale() function : usage variations - passing multiple valid/invalid locales as argument
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/* Test the setlocale() when multiple valid/invalid locales are provided as argument */
+
+function list_system_locales() {
+  // start the buffering of next command to internal output buffer
+  ob_start();
+
+  // run the command 'locale -a' to fetch all locales available in the system
+  system('locale -a');
+
+  // get the contents from the internal output buffer
+  $all_locales = ob_get_contents();
+
+  // fflush and end the output buffering to internal output buffer
+  ob_end_clean();
+
+  $system_locales = explode("\n", $all_locales);
+
+  // return all the locale found in the system
+  return $system_locales;
+}
+
+/* Collect existing system locales and get 2 valid locales that can be use to
+   pass as argument to setlocale(), pass 2 invalid arguments along with two valid arguments*/
+echo "*** Testing setlocale() by passing multiple valid/invalid locales as argument ***\n";
+
+if (PHP_OS_FAMILY === 'Solaris') {
+  $utfending = "UTF-8";
+} else {
+  $utfending = "utf8";
+}
+
+//set of currency symbol according to above list of locales
+$currency_symbol = array(
+  "en_US.$utfending" => "USD",
+  "en_AU.$utfending" => "AUD",
+  "ko_KR.$utfending" => "KRW",
+  "zh_CN.$utfending" => "CNY",
+  "de_DE.$utfending" => "EUR",
+  "es_EC.$utfending" => "USD",
+  "fr_FR.$utfending" => "EUR",
+  "ja_JP.$utfending" => "JPY",
+  "el_GR.$utfending" => "EUR",
+  "nl_NL.$utfending" =>"EUR"
+);
+
+// gather all the locales installed in the system
+$all_system_locales = list_system_locales();
+
+// Now check for three locales that is present in the system and use that as argument to setlocale()
+if( in_array("en_US.$utfending",$all_system_locales) ||
+    in_array("Ko_KR.$utfending",$all_system_locales) ||
+    in_array("zh_CN.$utfending",$all_system_locales) ) {
+  echo "-- Testing setlocale() by giving 'category' as LC_ALL & multiple locales(en_US.invalid, en_US.utf8, Ko_KR.utf8, KO_KR.invalid, zh_CN.utf8) --\n";
+
+  // call setlocale()
+  $new_locale = setlocale(LC_ALL, "en_US.invalid", "en_US.$utfending", "Ko_KR.$utfending", "KO_KR.invalid", "zh_CN.$utfending");
+
+  // dump the name of the new locale set by setlocale()
+  var_dump($new_locale);
+
+  // check that new locale setting is effective
+  // use localeconv() to get the details of currently set locale
+  $locale_info = localeconv();
+  $new_currency = trim($locale_info['int_curr_symbol']);
+
+  echo "Checking currency settings in the new locale, expected: ".$currency_symbol[$new_locale].", Found: ".$new_currency."\n";
+  echo "Test ";
+  if( trim($currency_symbol[$new_locale]) == $new_currency) {
+    echo "PASSED.\n";
+  } else {
+    echo "FAILED.\n";
+  }
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing setlocale() by passing multiple valid/invalid locales as argument ***
+-- Testing setlocale() by giving 'category' as LC_ALL & multiple locales(en_US.invalid, en_US.utf8, Ko_KR.utf8, KO_KR.invalid, zh_CN.utf8) --
+string(%d) "%s"
+Checking currency settings in the new locale, expected: %s, Found: %s
+Test PASSED.
+Done
diff --git a/tests/std/strings/setlocale_variation2.phpt b/tests/std/strings/setlocale_variation2.phpt
new file mode 100644
index 00000000..a2225af7
--- /dev/null
+++ b/tests/std/strings/setlocale_variation2.phpt
@@ -0,0 +1,83 @@
+--TEST--
+Test setlocale() function : usage variations - Setting all available locales in the platform
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/* setlocale() to set all available locales in the system and check the success count */
+echo "*** Testing setlocale() : usage variations ***\n";
+
+function good_locale($locale) {
+    /**
+    * Note: no_NO is a bogus locale and should not be used, see https://bugzilla.redhat.com/971416
+    **/
+    return $locale !== 'tt_RU@iqtelif.UTF-8' && $locale !== 'no_NO.ISO-8859-1';
+}
+
+function list_system_locales() {
+  // start the buffering of next command to internal output buffer
+  ob_start();
+
+  // run the command 'locale -a' to fetch all locales available in the system
+  system('locale -a');
+
+  // get the contents from the internal output buffer
+  $all_locales = ob_get_contents();
+
+  // fflush and end the output buffering to internal output buffer
+  ob_end_clean();
+
+  $system_locales = explode("\n", $all_locales);
+
+  // return all the locale found in the system, except for broken one
+  return array_filter($system_locales, 'good_locale');
+}
+
+// gather all the locales installed in the system
+$all_system_locales = list_system_locales();
+
+//try different locale names
+$failure_locale = array();
+$success_count = 0;
+
+echo "-- Test setlocale() with all available locale in the system --\n";
+// gather all locales installed in the system(stored $all_system_locales),
+// try n set each locale using setlocale() and keep track failures, if any
+foreach($all_system_locales as $value){
+  //set locale to $value, if success, count increments
+  if(setlocale(LC_ALL,$value )){
+   $success_count++;
+  }
+  else{
+   //failure values are put in to an array $failure_locale
+   $failure_locale[] = $value;
+  }
+}
+
+echo "No of locales found on the machine = ".count($all_system_locales)."\n";
+echo "No of setlocale() success = ".$success_count."\n";
+echo "Expected no of failures = 0\n";
+echo "Test ";
+// check if there were any failure of setlocale() function earlier, if any
+// failure then dump the list of failing locales
+if($success_count != count($all_system_locales)){
+  echo "FAILED\n";
+  echo "Names of locale() for which setlocale() failed ...\n";
+  var_dump($failure_locale);
+}
+else{
+  echo "PASSED\n";
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing setlocale() : usage variations ***
+-- Test setlocale() with all available locale in the system --
+No of locales found on the machine = %d
+No of setlocale() success = %d
+Expected no of failures = 0
+Test PASSED
+Done
diff --git a/tests/std/strings/setlocale_variation3.phpt b/tests/std/strings/setlocale_variation3.phpt
new file mode 100644
index 00000000..30f281a5
--- /dev/null
+++ b/tests/std/strings/setlocale_variation3.phpt
@@ -0,0 +1,145 @@
+--TEST--
+Test setlocale() function : usage variations - setting system locale = 0
+--SKIPIF--
+<?php
+if (setlocale(LC_ALL, 'invalid') === 'invalid') { die('skip setlocale() is broken /w musl'); }
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die('skip Not valid for windows');
+}
+if (setlocale(LC_ALL,'en_US.utf8') === false) {
+    die('skip en_US.utf8 locale not available');
+}
+?>
+--FILE--
+<?php
+/* If locale is "0", the locale setting is not affected, only the current setting is returned */
+
+echo "*** Testing setlocale() : usage variations - setting system locale = 0 ***\n";
+$locale_info_before = array();
+$locale_info_after = array();
+
+//initially giving the locale
+setlocale(LC_ALL,"en_US.utf8");
+
+echo "Locale info, before setting the locale\n";
+//returns current locale,before executing setlocale().
+$locale_info_before = localeconv();
+
+var_dump($locale_info_before);
+
+//Testing setlocale()  by giving locale = 0
+echo "Setting system locale, category = LC_ALL and locale = 0\n";
+setlocale(LC_ALL, 0);
+
+echo "Locale info, after setting the locale\n";
+//returns current locale,after executing setlocale().
+$locale_info_after = localeconv();
+
+var_dump($locale_info_after);
+
+echo "Checking locale in the system, Expected : no change in the existing locale\n";
+echo "Test ";
+if($locale_info_before ==  $locale_info_after){
+  echo "PASSED.";
+} else {
+  echo "FAILED.";
+}
+
+echo "\nDone\n";
+?>
+--EXPECTF--
+*** Testing setlocale() : usage variations - setting system locale = 0 ***
+Locale info, before setting the locale
+array(18) {
+  ["decimal_point"]=>
+  string(1) "."
+  ["thousands_sep"]=>
+  string(1) ","
+  ["int_curr_symbol"]=>
+  string(4) "USD "
+  ["currency_symbol"]=>
+  string(1) "$"
+  ["mon_decimal_point"]=>
+  string(1) "."
+  ["mon_thousands_sep"]=>
+  string(1) ","
+  ["positive_sign"]=>
+  string(0) ""
+  ["negative_sign"]=>
+  string(1) "-"
+  ["int_frac_digits"]=>
+  int(2)
+  ["frac_digits"]=>
+  int(2)
+  ["p_cs_precedes"]=>
+  int(1)
+  ["p_sep_by_space"]=>
+  int(0)
+  ["n_cs_precedes"]=>
+  int(1)
+  ["n_sep_by_space"]=>
+  int(0)
+  ["p_sign_posn"]=>
+  int(1)
+  ["n_sign_posn"]=>
+  int(1)
+  ["grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+  ["mon_grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+}
+Setting system locale, category = LC_ALL and locale = 0
+Locale info, after setting the locale
+array(18) {
+  ["decimal_point"]=>
+  string(1) "."
+  ["thousands_sep"]=>
+  string(1) ","
+  ["int_curr_symbol"]=>
+  string(4) "USD "
+  ["currency_symbol"]=>
+  string(1) "$"
+  ["mon_decimal_point"]=>
+  string(1) "."
+  ["mon_thousands_sep"]=>
+  string(1) ","
+  ["positive_sign"]=>
+  string(0) ""
+  ["negative_sign"]=>
+  string(1) "-"
+  ["int_frac_digits"]=>
+  int(2)
+  ["frac_digits"]=>
+  int(2)
+  ["p_cs_precedes"]=>
+  int(1)
+  ["p_sep_by_space"]=>
+  int(0)
+  ["n_cs_precedes"]=>
+  int(1)
+  ["n_sep_by_space"]=>
+  int(0)
+  ["p_sign_posn"]=>
+  int(1)
+  ["n_sign_posn"]=>
+  int(1)
+  ["grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+  ["mon_grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+}
+Checking locale in the system, Expected : no change in the existing locale
+Test PASSED.
+Done
diff --git a/tests/std/strings/setlocale_variation4.phpt b/tests/std/strings/setlocale_variation4.phpt
new file mode 100644
index 00000000..a2b236c1
--- /dev/null
+++ b/tests/std/strings/setlocale_variation4.phpt
@@ -0,0 +1,143 @@
+--TEST--
+Test setlocale() function : usage variations - setting system locale as null
+--SKIPIF--
+<?php
+if (setlocale(LC_ALL, 'invalid') === 'invalid') { die('skip setlocale() is broken /w musl'); }
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die('skip Not valid for windows');
+}
+if (setlocale(LC_ALL,'en_US.utf8') === false || setlocale(LC_ALL,'en_AU.utf8') === false) {
+    die('skip en_US.utf8/en_AU.utf8 locales not available');
+}
+?>
+--ENV--
+LC_ALL=en_US.utf8;
+--FILE--
+<?php
+/*If locale is NULL, the locale names will be set from the values of environment variables with the same names as the above ENV settings */
+
+echo "*** Testing setlocale() : usage variations - Setting system locale = null ***\n";
+
+//initially setting the locale
+setlocale(LC_ALL,"en_AU.utf8");
+
+echo "Locale info, before setting the locale\n";
+//returns current locale,before executing setlocale() .
+$locale_info_before = localeconv();
+var_dump($locale_info_before);
+
+//Testing setlocale()  by giving locale = null
+echo "Setting system locale, category = LC_ALL and locale = null\n";
+@setlocale(LC_ALL, null);
+
+echo "Locale info, after setting the locale\n";
+//Returns Current locale,after executing setlocale().
+$locale_info_after = localeconv();
+var_dump($locale_info_after);
+
+echo "Checking new locale in the system, Expected : the locale names will be set from the values of environment variables\n";
+echo "Test ";
+if($locale_info_before != $locale_info_after){
+  echo "PASSED.";
+} else {
+  echo "FAILED.";
+}
+
+echo "\nDone\n";
+?>
+--EXPECTF--
+*** Testing setlocale() : usage variations - Setting system locale = null ***
+Locale info, before setting the locale
+array(18) {
+  ["decimal_point"]=>
+  string(1) "."
+  ["thousands_sep"]=>
+  string(1) ","
+  ["int_curr_symbol"]=>
+  string(4) "AUD "
+  ["currency_symbol"]=>
+  string(1) "$"
+  ["mon_decimal_point"]=>
+  string(1) "."
+  ["mon_thousands_sep"]=>
+  string(1) ","
+  ["positive_sign"]=>
+  string(0) ""
+  ["negative_sign"]=>
+  string(1) "-"
+  ["int_frac_digits"]=>
+  int(2)
+  ["frac_digits"]=>
+  int(2)
+  ["p_cs_precedes"]=>
+  int(1)
+  ["p_sep_by_space"]=>
+  int(0)
+  ["n_cs_precedes"]=>
+  int(1)
+  ["n_sep_by_space"]=>
+  int(0)
+  ["p_sign_posn"]=>
+  int(1)
+  ["n_sign_posn"]=>
+  int(1)
+  ["grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+  ["mon_grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+}
+Setting system locale, category = LC_ALL and locale = null
+Locale info, after setting the locale
+array(18) {
+  ["decimal_point"]=>
+  string(1) "."
+  ["thousands_sep"]=>
+  string(1) ","
+  ["int_curr_symbol"]=>
+  string(4) "USD "
+  ["currency_symbol"]=>
+  string(1) "$"
+  ["mon_decimal_point"]=>
+  string(1) "."
+  ["mon_thousands_sep"]=>
+  string(1) ","
+  ["positive_sign"]=>
+  string(0) ""
+  ["negative_sign"]=>
+  string(1) "-"
+  ["int_frac_digits"]=>
+  int(2)
+  ["frac_digits"]=>
+  int(2)
+  ["p_cs_precedes"]=>
+  int(1)
+  ["p_sep_by_space"]=>
+  int(0)
+  ["n_cs_precedes"]=>
+  int(1)
+  ["n_sep_by_space"]=>
+  int(0)
+  ["p_sign_posn"]=>
+  int(1)
+  ["n_sign_posn"]=>
+  int(1)
+  ["grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+  ["mon_grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+}
+Checking new locale in the system, Expected : the locale names will be set from the values of environment variables
+Test PASSED.
+Done
diff --git a/tests/std/strings/setlocale_variation5.phpt b/tests/std/strings/setlocale_variation5.phpt
new file mode 100644
index 00000000..50c8a03b
--- /dev/null
+++ b/tests/std/strings/setlocale_variation5.phpt
@@ -0,0 +1,147 @@
+--TEST--
+Test setlocale() function : usage variations - Setting system locale as empty string
+--SKIPIF--
+<?php
+if (setlocale(LC_ALL, 'invalid') === 'invalid') { die('skip setlocale() is broken /w musl'); }
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die('skip Not valid for windows');
+}
+if (setlocale(LC_ALL,'en_AU.utf8') === false || setlocale(LC_ALL,'en_US.utf8') === false) {
+    die('skip en_AU.utf8/en_US.utf8 locales not available');
+}
+?>
+--ENV--
+LC_ALL=en_US.utf8;
+--FILE--
+<?php
+/* If locale is empty string "", the locale names will be set from the values of environment variables with the same names as from ENV */
+
+echo "*** Testing setlocale() : usage variations - setting system locale = \"\" ***\n";
+
+//initially setting the locale
+setlocale(LC_ALL,'en_AU.utf8');
+
+echo "Locale info, before setting the locale\n";
+
+//returns current locale,before executing setlocale() .
+$locale_info_before = localeconv();
+
+var_dump($locale_info_before);
+
+//Testing setlocale()  by giving locale = null
+echo "Setting system locale, category = LC_ALL and locale = \"\"\n";
+setlocale(LC_ALL, "");
+
+echo "Locale info, after setting the locale\n";
+
+//Returns Current locale,after executing setlocale().
+$locale_info_after = localeconv();
+
+var_dump($locale_info_after);
+
+echo "Checking new locale in the system, Expected : the locale names will be set from the values of environment variables\n";
+echo "Test ";
+if($locale_info_before != $locale_info_after){
+  echo "PASSED.";
+} else {
+  echo "FAILED.";
+}
+
+echo "\nDone\n";
+?>
+--EXPECTF--
+*** Testing setlocale() : usage variations - setting system locale = "" ***
+Locale info, before setting the locale
+array(18) {
+  ["decimal_point"]=>
+  string(1) "."
+  ["thousands_sep"]=>
+  string(1) ","
+  ["int_curr_symbol"]=>
+  string(4) "AUD "
+  ["currency_symbol"]=>
+  string(1) "$"
+  ["mon_decimal_point"]=>
+  string(1) "."
+  ["mon_thousands_sep"]=>
+  string(1) ","
+  ["positive_sign"]=>
+  string(0) ""
+  ["negative_sign"]=>
+  string(1) "-"
+  ["int_frac_digits"]=>
+  int(2)
+  ["frac_digits"]=>
+  int(2)
+  ["p_cs_precedes"]=>
+  int(1)
+  ["p_sep_by_space"]=>
+  int(0)
+  ["n_cs_precedes"]=>
+  int(1)
+  ["n_sep_by_space"]=>
+  int(0)
+  ["p_sign_posn"]=>
+  int(1)
+  ["n_sign_posn"]=>
+  int(1)
+  ["grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+  ["mon_grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+}
+Setting system locale, category = LC_ALL and locale = ""
+Locale info, after setting the locale
+array(18) {
+  ["decimal_point"]=>
+  string(1) "."
+  ["thousands_sep"]=>
+  string(1) ","
+  ["int_curr_symbol"]=>
+  string(4) "USD "
+  ["currency_symbol"]=>
+  string(1) "$"
+  ["mon_decimal_point"]=>
+  string(1) "."
+  ["mon_thousands_sep"]=>
+  string(1) ","
+  ["positive_sign"]=>
+  string(0) ""
+  ["negative_sign"]=>
+  string(1) "-"
+  ["int_frac_digits"]=>
+  int(2)
+  ["frac_digits"]=>
+  int(2)
+  ["p_cs_precedes"]=>
+  int(1)
+  ["p_sep_by_space"]=>
+  int(0)
+  ["n_cs_precedes"]=>
+  int(1)
+  ["n_sep_by_space"]=>
+  int(0)
+  ["p_sign_posn"]=>
+  int(1)
+  ["n_sign_posn"]=>
+  int(1)
+  ["grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+  ["mon_grouping"]=>
+  array(%d) {%A
+    [%d]=>
+    int(3)
+  }
+}
+Checking new locale in the system, Expected : the locale names will be set from the values of environment variables
+Test PASSED.
+Done
diff --git a/tests/std/strings/sha1.phpt b/tests/std/strings/sha1.phpt
new file mode 100644
index 00000000..2fd9cfce
--- /dev/null
+++ b/tests/std/strings/sha1.phpt
@@ -0,0 +1,55 @@
+--TEST--
+sha1() with ASCII output
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+$filename = __DIR__."/sha1.dat";
+$a = array(
+    "abc",
+    "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
+    "a",
+    "0123456701234567012345670123456701234567012345670123456701234567",
+    ""
+);
+
+foreach ($a as $str) {
+    var_dump($val1 = sha1($str));
+    file_put_contents($filename, $str);
+    var_dump($val2 = sha1_file($filename));
+    var_dump($val1 === $val2);
+}
+
+var_dump(sha1($str, true));
+var_dump(sha1_file($filename, true));
+
+@unlink($filename);
+
+sha1_file($filename);
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(40) "a9993e364706816aba3e25717850c26c9cd0d89d"
+string(40) "a9993e364706816aba3e25717850c26c9cd0d89d"
+bool(true)
+string(40) "84983e441c3bd26ebaae4aa1f95129e5e54670f1"
+string(40) "84983e441c3bd26ebaae4aa1f95129e5e54670f1"
+bool(true)
+string(40) "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8"
+string(40) "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8"
+bool(true)
+string(40) "e0c094e867ef46c350ef54a7f59dd60bed92ae83"
+string(40) "e0c094e867ef46c350ef54a7f59dd60bed92ae83"
+bool(true)
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+bool(true)
+string(20) "%a"
+string(20) "%a"
+
+Warning: sha1_file(%ssha1.dat): Failed to open stream: No such file or directory in %s on line %d
+Done
diff --git a/tests/std/strings/sha1_basic.phpt b/tests/std/strings/sha1_basic.phpt
new file mode 100644
index 00000000..bd8c448e
--- /dev/null
+++ b/tests/std/strings/sha1_basic.phpt
@@ -0,0 +1,65 @@
+--TEST--
+sha1() with ASCII output.
+--FILE--
+<?php
+
+
+echo "*** Testing sha1() : basic functionality ***\n";
+
+echo "\n-- Without raw argument --\n";
+var_dump(sha1(""));
+var_dump(sha1("a"));
+var_dump(sha1("abc"));
+var_dump(sha1("message digest"));
+var_dump(sha1("abcdefghijklmnopqrstuvwxyz"));
+var_dump(sha1("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"));
+var_dump(sha1("12345678901234567890123456789012345678901234567890123456789012345678901234567890"));
+
+echo "\n-- With raw == false --\n";
+var_dump(sha1("", false));
+var_dump(sha1("a", false));
+var_dump(sha1("abc", false));
+var_dump(sha1("message digest", false));
+var_dump(sha1("abcdefghijklmnopqrstuvwxyz", false));
+var_dump(sha1("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", false));
+var_dump(sha1("12345678901234567890123456789012345678901234567890123456789012345678901234567890", false));
+
+echo "\n-- With raw == true --\n";
+var_dump(bin2hex(sha1("", true)));
+var_dump(bin2hex(sha1("a", true)));
+var_dump(bin2hex(sha1("abc", true)));
+var_dump(bin2hex(sha1("message digest", true)));
+var_dump(bin2hex(sha1("abcdefghijklmnopqrstuvwxyz", true)));
+var_dump(bin2hex(sha1("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", true)));
+var_dump(bin2hex(sha1("12345678901234567890123456789012345678901234567890123456789012345678901234567890", true)));
+
+?>
+--EXPECT--
+*** Testing sha1() : basic functionality ***
+
+-- Without raw argument --
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+string(40) "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8"
+string(40) "a9993e364706816aba3e25717850c26c9cd0d89d"
+string(40) "c12252ceda8be8994d5fa0290a47231c1d16aae3"
+string(40) "32d10c7b8cf96570ca04ce37f2a19d84240d3a89"
+string(40) "761c457bf73b14d27e9e9265c46f4b4dda11f940"
+string(40) "50abf5706a150990a08b2c5ea40fa0e585554732"
+
+-- With raw == false --
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+string(40) "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8"
+string(40) "a9993e364706816aba3e25717850c26c9cd0d89d"
+string(40) "c12252ceda8be8994d5fa0290a47231c1d16aae3"
+string(40) "32d10c7b8cf96570ca04ce37f2a19d84240d3a89"
+string(40) "761c457bf73b14d27e9e9265c46f4b4dda11f940"
+string(40) "50abf5706a150990a08b2c5ea40fa0e585554732"
+
+-- With raw == true --
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+string(40) "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8"
+string(40) "a9993e364706816aba3e25717850c26c9cd0d89d"
+string(40) "c12252ceda8be8994d5fa0290a47231c1d16aae3"
+string(40) "32d10c7b8cf96570ca04ce37f2a19d84240d3a89"
+string(40) "761c457bf73b14d27e9e9265c46f4b4dda11f940"
+string(40) "50abf5706a150990a08b2c5ea40fa0e585554732"
diff --git a/tests/std/strings/sha1_file.phpt b/tests/std/strings/sha1_file.phpt
new file mode 100644
index 00000000..453ba56e
--- /dev/null
+++ b/tests/std/strings/sha1_file.phpt
@@ -0,0 +1,108 @@
+--TEST--
+Test sha1_file() function with ASCII output and raw binary output. Based on ext/standard/tests/strings/md5_file.phpt
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+
+echo "*** Testing sha1_file() : basic functionality ***\n";
+
+/* Creating an empty file */
+if (($handle = fopen( "EmptyFileSHA1.txt", "w+")) == FALSE)
+return false;
+
+/* Creating a data file */
+if (($handle2 = fopen( "DataFileSHA1.txt", "w+")) == FALSE)
+return false;
+
+/* Writing into file */
+$filename = "DataFileSHA1.txt";
+$content = "Add this to the file\n";
+if (is_writable($filename)) {
+  if (fwrite($handle2, $content) === FALSE) {
+    echo "Cannot write to file ($filename)";
+    exit;
+  }
+}
+
+// close the files
+fclose($handle);
+fclose($handle2);
+
+/* Testing error conditions */
+echo "\n*** Testing for error conditions ***\n";
+
+echo "\n-- No filename --\n";
+try {
+    var_dump( sha1_file("") );
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+
+echo "\n-- invalid filename --\n";
+var_dump( sha1_file("rewncwYcn89q") );
+
+echo "\n-- Scalar value as filename --\n";
+var_dump( sha1_file(12) );
+
+echo "\n-- NULL as filename --\n";
+try {
+    var_dump( sha1_file(NULL) );
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+
+echo "\n-- Hexadecimal Output for Empty file as Argument --\n";
+var_dump( sha1_file("EmptyFileSHA1.txt") );
+
+echo "\n-- Raw Binary Output for Empty file as Argument --\n";
+var_dump( bin2hex(sha1_file("EmptyFileSHA1.txt", true)));
+
+echo "\n-- Hexadecimal Output for a valid file with some contents --\n";
+var_dump( sha1_file("DataFileSHA1.txt") );
+
+echo "\n-- Raw Binary Output for a valid file with some contents --\n";
+var_dump ( bin2hex(sha1_file("DataFileSHA1.txt", true)));
+
+// remove temp files
+unlink("DataFileSHA1.txt");
+unlink("EmptyFileSHA1.txt");
+
+?>
+--EXPECTF--
+*** Testing sha1_file() : basic functionality ***
+
+*** Testing for error conditions ***
+
+-- No filename --
+Path must not be empty
+
+-- invalid filename --
+
+Warning: sha1_file(rewncwYcn89q): Failed to open stream: No such file or directory in %s on line %d
+bool(false)
+
+-- Scalar value as filename --
+
+Warning: sha1_file(12): Failed to open stream: No such file or directory in %s on line %d
+bool(false)
+
+-- NULL as filename --
+
+Deprecated: sha1_file(): Passing null to parameter #1 ($filename) of type string is deprecated in %s on line %d
+Path must not be empty
+
+-- Hexadecimal Output for Empty file as Argument --
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+
+-- Raw Binary Output for Empty file as Argument --
+string(40) "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+
+-- Hexadecimal Output for a valid file with some contents --
+string(40) "d16a568ab98233deff7ec8b1668eb4b3d9e53fee"
+
+-- Raw Binary Output for a valid file with some contents --
+string(40) "d16a568ab98233deff7ec8b1668eb4b3d9e53fee"
diff --git a/tests/std/strings/sha1raw.phpt b/tests/std/strings/sha1raw.phpt
new file mode 100644
index 00000000..6777cab3
--- /dev/null
+++ b/tests/std/strings/sha1raw.phpt
@@ -0,0 +1,14 @@
+--TEST--
+sha1() with RAW output
+--FILE--
+<?php
+echo bin2hex(sha1("abc", TRUE))."\n";
+echo bin2hex(sha1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", TRUE))."\n";
+echo bin2hex(sha1("a", TRUE))."\n";
+echo bin2hex(sha1("0123456701234567012345670123456701234567012345670123456701234567", TRUE))."\n";
+?>
+--EXPECT--
+a9993e364706816aba3e25717850c26c9cd0d89d
+84983e441c3bd26ebaae4aa1f95129e5e54670f1
+86f7e437faa5a7fce15d1ddcb9eaeaea377667b8
+e0c094e867ef46c350ef54a7f59dd60bed92ae83
diff --git a/tests/std/strings/show_source_basic.phpt b/tests/std/strings/show_source_basic.phpt
new file mode 100644
index 00000000..ec7c26c0
--- /dev/null
+++ b/tests/std/strings/show_source_basic.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test function show_source() by calling it with its expected arguments, more test for highlight_file()
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+Francesco Fullone ff@ideato.it
+#PHPTestFest Cesena Italia on 2009-06-20
+--FILE--
+<?php
+echo "*** Test by calling method or function with its expected arguments ***\n";
+$foo = 'bar';
+$baz = "something ".$foo."\n";
+
+if ( $foo == 'bar' )
+{
+  $baz = 'baz';
+}
+
+ /* some code here */
+
+show_source(__FILE__);
+
+?>
+--EXPECT--
+*** Test by calling method or function with its expected arguments ***
+<pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
+</span><span style="color: #007700">echo </span><span style="color: #DD0000">"*** Test by calling method or function with its expected arguments ***\n"</span><span style="color: #007700">;
+</span><span style="color: #0000BB">$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">;
+</span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #DD0000">"something "</span><span style="color: #007700">.</span><span style="color: #0000BB">$foo</span><span style="color: #007700">.</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;
+
+if ( </span><span style="color: #0000BB">$foo </span><span style="color: #007700">== </span><span style="color: #DD0000">'bar' </span><span style="color: #007700">)
+{
+  </span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #DD0000">'baz'</span><span style="color: #007700">;
+}
+
+ </span><span style="color: #FF8000">/* some code here */
+
+</span><span style="color: #0000BB">show_source</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">);
+
+</span><span style="color: #0000BB">?&gt;
+</span></code></pre>
diff --git a/tests/std/strings/show_source_variation1.phpt b/tests/std/strings/show_source_variation1.phpt
new file mode 100644
index 00000000..96cd6e8c
--- /dev/null
+++ b/tests/std/strings/show_source_variation1.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test function show_source() by calling it with its expected arguments and php output, more test for highlight_file()
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+Francesco Fullone ff@ideato.it
+#PHPTestFest Cesena Italia on 2009-06-20
+--FILE--
+<?php
+echo "*** Test by calling method or function with its expected arguments and php output ***\n";
+$foo = 'bar';
+$baz = "something ".$foo."\n";
+
+if ( $foo == 'bar' )
+{
+  $baz = "baz\n";
+}
+
+ /* some code here */
+echo $baz;
+show_source(__FILE__);
+echo $foo;
+?>
+--EXPECT--
+*** Test by calling method or function with its expected arguments and php output ***
+baz
+<pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
+</span><span style="color: #007700">echo </span><span style="color: #DD0000">"*** Test by calling method or function with its expected arguments and php output ***\n"</span><span style="color: #007700">;
+</span><span style="color: #0000BB">$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">;
+</span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #DD0000">"something "</span><span style="color: #007700">.</span><span style="color: #0000BB">$foo</span><span style="color: #007700">.</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;
+
+if ( </span><span style="color: #0000BB">$foo </span><span style="color: #007700">== </span><span style="color: #DD0000">'bar' </span><span style="color: #007700">)
+{
+  </span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #DD0000">"baz\n"</span><span style="color: #007700">;
+}
+
+ </span><span style="color: #FF8000">/* some code here */
+</span><span style="color: #007700">echo </span><span style="color: #0000BB">$baz</span><span style="color: #007700">;
+</span><span style="color: #0000BB">show_source</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">);
+echo </span><span style="color: #0000BB">$foo</span><span style="color: #007700">;
+</span><span style="color: #0000BB">?&gt;
+</span></code></pre>bar
diff --git a/tests/std/strings/show_source_variation2.phpt b/tests/std/strings/show_source_variation2.phpt
new file mode 100644
index 00000000..fc0fe2b0
--- /dev/null
+++ b/tests/std/strings/show_source_variation2.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test function show_source() by calling it with its expected arguments and output to variable, more test for highlight_file()
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+Francesco Fullone ff@ideato.it
+#PHPTestFest Cesena Italia on 2009-06-20
+--FILE--
+<?php
+echo "*** Test by calling method or function with its expected arguments and output to variable ***\n";
+$foo = 'bar';
+$baz = "something ".$foo."\n";
+
+if ( $foo == 'bar' )
+{
+  $baz = "baz\n";
+}
+
+ /* some code here */
+$source = show_source(__FILE__, true);
+
+var_dump($source);
+?>
+--EXPECT--
+*** Test by calling method or function with its expected arguments and output to variable ***
+string(1705) "<pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
+</span><span style="color: #007700">echo </span><span style="color: #DD0000">"*** Test by calling method or function with its expected arguments and output to variable ***\n"</span><span style="color: #007700">;
+</span><span style="color: #0000BB">$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">;
+</span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #DD0000">"something "</span><span style="color: #007700">.</span><span style="color: #0000BB">$foo</span><span style="color: #007700">.</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;
+
+if ( </span><span style="color: #0000BB">$foo </span><span style="color: #007700">== </span><span style="color: #DD0000">'bar' </span><span style="color: #007700">)
+{
+  </span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #DD0000">"baz\n"</span><span style="color: #007700">;
+}
+
+ </span><span style="color: #FF8000">/* some code here */
+</span><span style="color: #0000BB">$source </span><span style="color: #007700">= </span><span style="color: #0000BB">show_source</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);
+
+</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$source</span><span style="color: #007700">);
+</span><span style="color: #0000BB">?&gt;
+</span></code></pre>"
diff --git a/tests/std/strings/similar_text_basic.phpt b/tests/std/strings/similar_text_basic.phpt
new file mode 100644
index 00000000..5d5f15c6
--- /dev/null
+++ b/tests/std/strings/similar_text_basic.phpt
@@ -0,0 +1,33 @@
+--TEST--
+similar_text(), basic tests
+--CREDITS--
+Mats Lindh <mats at lindh.no>
+#Testfest php.no
+--INI--
+precision=14
+--FILE--
+<?php
+var_dump(similar_text("abcdefgh", "efg"));
+var_dump(similar_text("abcdefgh", "mno"));
+var_dump(similar_text("abcdefghcc", "c"));
+var_dump(similar_text("abcdefghabcdef", "zzzzabcdefggg"));
+
+$percent = 0;
+similar_text("abcdefgh", "efg", $percent);
+var_dump($percent);
+similar_text("abcdefgh", "mno", $percent);
+var_dump($percent);
+similar_text("abcdefghcc", "c", $percent);
+var_dump($percent);
+similar_text("abcdefghabcdef", "zzzzabcdefggg", $percent);
+var_dump($percent);
+?>
+--EXPECT--
+int(3)
+int(0)
+int(1)
+int(7)
+float(54.54545454545455)
+float(0)
+float(18.181818181818183)
+float(51.851851851851855)
diff --git a/tests/std/strings/soundex.phpt b/tests/std/strings/soundex.phpt
new file mode 100644
index 00000000..95d0b760
--- /dev/null
+++ b/tests/std/strings/soundex.phpt
@@ -0,0 +1,51 @@
+--TEST--
+soundex() tests
+--FILE--
+<?php
+
+var_dump(soundex(""));
+var_dump(soundex(-1));
+
+$array = array(
+"From",
+"that",
+"time",
+"on",
+"Sam",
+"thought",
+"that",
+"he",
+"sensed",
+"a",
+"change",
+"in",
+"Gollum",
+"again.",
+"He was more fawning and would-be friendly; but Sam surprised some strange looks in his eyes at times, especially towards Frodo."
+);
+
+foreach ($array as $str) {
+    var_dump(soundex($str));
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+string(4) "0000"
+string(4) "0000"
+string(4) "F650"
+string(4) "T300"
+string(4) "T500"
+string(4) "O500"
+string(4) "S500"
+string(4) "T230"
+string(4) "T300"
+string(4) "H000"
+string(4) "S523"
+string(4) "A000"
+string(4) "C520"
+string(4) "I500"
+string(4) "G450"
+string(4) "A250"
+string(4) "H256"
+Done
diff --git a/tests/std/strings/soundex_basic.phpt b/tests/std/strings/soundex_basic.phpt
new file mode 100644
index 00000000..208265a4
--- /dev/null
+++ b/tests/std/strings/soundex_basic.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test soundex() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing soundex() : basic functionality ***\n";
+
+var_dump(soundex("Euler"));
+var_dump(soundex("Gauss"));
+var_dump(soundex("Hilbert"));
+var_dump(soundex("Knuth"));
+var_dump(soundex("Lloyd"));
+var_dump(soundex("Lukasiewicz"));
+
+var_dump(soundex("Euler")       == soundex("Ellery"));    // E460
+var_dump(soundex("Gauss")       == soundex("Ghosh"));     // G200
+var_dump(soundex("Hilbert")     == soundex("Heilbronn")); // H416
+var_dump(soundex("Knuth")       == soundex("Kant"));      // K530
+var_dump(soundex("Lloyd")       == soundex("Ladd"));      // L300
+var_dump(soundex("Lukasiewicz") == soundex("Lissajous")); // L222
+
+var_dump(soundex("Lukasiewicz") == soundex("Ghosh"));
+var_dump(soundex("Hilbert") == soundex("Ladd"));
+?>
+--EXPECT--
+*** Testing soundex() : basic functionality ***
+string(4) "E460"
+string(4) "G200"
+string(4) "H416"
+string(4) "K530"
+string(4) "L300"
+string(4) "L222"
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
diff --git a/tests/std/strings/sprintf_basic1.phpt b/tests/std/strings/sprintf_basic1.phpt
new file mode 100644
index 00000000..23ac21de
--- /dev/null
+++ b/tests/std/strings/sprintf_basic1.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test sprintf() function : basic functionality - string format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using string format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%s";
+$format2 = "%s %s";
+$format3 = "%s %s %s";
+$arg1 = "arg1 argument";
+$arg2 = "arg2 argument";
+$arg3 = "arg3 argument";
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using string format ***
+string(6) "format"
+string(13) "arg1 argument"
+string(27) "arg1 argument arg2 argument"
+string(41) "arg1 argument arg2 argument arg3 argument"
+Done
diff --git a/tests/std/strings/sprintf_basic2.phpt b/tests/std/strings/sprintf_basic2.phpt
new file mode 100644
index 00000000..639545ac
--- /dev/null
+++ b/tests/std/strings/sprintf_basic2.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test sprintf() function : basic functionality - integer format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using integer format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%d";
+$format2 = "%d %d";
+$format3 = "%d %d %d";
+$arg1 = 111;
+$arg2 = 222;
+$arg3 = 333;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using integer format ***
+string(6) "format"
+string(3) "111"
+string(7) "111 222"
+string(11) "111 222 333"
+Done
diff --git a/tests/std/strings/sprintf_basic3.phpt b/tests/std/strings/sprintf_basic3.phpt
new file mode 100644
index 00000000..d82097d1
--- /dev/null
+++ b/tests/std/strings/sprintf_basic3.phpt
@@ -0,0 +1,48 @@
+--TEST--
+Test sprintf() function : basic functionality - float format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using float format ***\n";
+
+
+// Initialise all required variables
+
+$format = "format";
+$format1 = "%f";
+$format2 = "%f %f";
+$format3 = "%f %f %f";
+
+$format11 = "%F";
+$format22 = "%F %F";
+$format33 = "%F %F %F";
+$arg1 = 11.11;
+$arg2 = 22.22;
+$arg3 = 33.33;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+var_dump( sprintf($format11, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+var_dump( sprintf($format22, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+var_dump( sprintf($format33, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using float format ***
+string(6) "format"
+string(9) "11.110000"
+string(9) "11.110000"
+string(19) "11.110000 22.220000"
+string(19) "11.110000 22.220000"
+string(29) "11.110000 22.220000 33.330000"
+string(29) "11.110000 22.220000 33.330000"
+Done
diff --git a/tests/std/strings/sprintf_basic4.phpt b/tests/std/strings/sprintf_basic4.phpt
new file mode 100644
index 00000000..18a4b455
--- /dev/null
+++ b/tests/std/strings/sprintf_basic4.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test sprintf() function : basic functionality - bool format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using bool format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%b";
+$format2 = "%b %b";
+$format3 = "%b %b %b";
+$arg1 = TRUE;
+$arg2 = FALSE;
+$arg3 = true;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using bool format ***
+string(6) "format"
+string(1) "1"
+string(3) "1 0"
+string(5) "1 0 1"
+Done
diff --git a/tests/std/strings/sprintf_basic5.phpt b/tests/std/strings/sprintf_basic5.phpt
new file mode 100644
index 00000000..0244524a
--- /dev/null
+++ b/tests/std/strings/sprintf_basic5.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Test sprintf() function : basic functionality - char format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using char format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%c";
+$format2 = "%c %c";
+$format3 = "%c %c %c";
+$arg1 = 65;
+$arg2 = 66;
+$arg3 = 67;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using char format ***
+string(6) "format"
+string(1) "A"
+string(3) "A B"
+string(5) "A B C"
+Done
diff --git a/tests/std/strings/sprintf_basic6.phpt b/tests/std/strings/sprintf_basic6.phpt
new file mode 100644
index 00000000..99a85ddd
--- /dev/null
+++ b/tests/std/strings/sprintf_basic6.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test sprintf() function : basic functionality - exponential format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using exponential format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%e";
+$format2 = "%E %e";
+$format3 = "%e %E %e";
+$arg1 = 1000;
+$arg2 = 2e3;
+$arg3 = +3e3;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using exponential format ***
+string(6) "format"
+string(11) "1.000000e+3"
+string(23) "1.000000E+3 2.000000e+3"
+string(35) "1.000000e+3 2.000000E+3 3.000000e+3"
+Done
diff --git a/tests/std/strings/sprintf_basic7.phpt b/tests/std/strings/sprintf_basic7.phpt
new file mode 100644
index 00000000..77765aaf
--- /dev/null
+++ b/tests/std/strings/sprintf_basic7.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test sprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using unsigned format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = -1111;
+$arg2 = -1234567;
+$arg3 = +2345432;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using unsigned format ***
+string(6) "format"
+string(10) "4294966185"
+string(21) "4294966185 4293732729"
+string(29) "4294966185 4293732729 2345432"
+Done
diff --git a/tests/std/strings/sprintf_basic7_64bit.phpt b/tests/std/strings/sprintf_basic7_64bit.phpt
new file mode 100644
index 00000000..212800e5
--- /dev/null
+++ b/tests/std/strings/sprintf_basic7_64bit.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test sprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using unsigned format ***\n";
+
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = -1111;
+$arg2 = -1234567;
+$arg3 = +2345432;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using unsigned format ***
+string(6) "format"
+string(20) "18446744073709550505"
+string(41) "18446744073709550505 18446744073708317049"
+string(49) "18446744073709550505 18446744073708317049 2345432"
+Done
diff --git a/tests/std/strings/sprintf_basic8.phpt b/tests/std/strings/sprintf_basic8.phpt
new file mode 100644
index 00000000..e9696db2
--- /dev/null
+++ b/tests/std/strings/sprintf_basic8.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test sprintf() function : basic functionality - octal format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using octal format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%o";
+$format2 = "%o %o";
+$format3 = "%o %o %o";
+$arg1 = 021;
+$arg2 = -0347;
+$arg3 = 0567;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using octal format ***
+string(6) "format"
+string(2) "21"
+string(14) "21 37777777431"
+string(18) "21 37777777431 567"
+Done
diff --git a/tests/std/strings/sprintf_basic8_64bit.phpt b/tests/std/strings/sprintf_basic8_64bit.phpt
new file mode 100644
index 00000000..528d82c6
--- /dev/null
+++ b/tests/std/strings/sprintf_basic8_64bit.phpt
@@ -0,0 +1,38 @@
+--TEST--
+Test sprintf() function : basic functionality - octal format
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using octal format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%o";
+$format2 = "%o %o";
+$format3 = "%o %o %o";
+$arg1 = 021;
+$arg2 = -0347;
+$arg3 = 0567;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using octal format ***
+string(6) "format"
+string(2) "21"
+string(25) "21 1777777777777777777431"
+string(29) "21 1777777777777777777431 567"
+Done
diff --git a/tests/std/strings/sprintf_basic9.phpt b/tests/std/strings/sprintf_basic9.phpt
new file mode 100644
index 00000000..0f923f86
--- /dev/null
+++ b/tests/std/strings/sprintf_basic9.phpt
@@ -0,0 +1,49 @@
+--TEST--
+Test sprintf() function : basic functionality - hexadecimal format
+--FILE--
+<?php
+echo "*** Testing sprintf() : basic functionality - using hexadecimal format ***\n";
+
+// Initialise all required variables
+
+// Initialising different format strings
+$format = "format";
+$format1 = "%x";
+$format2 = "%x %x";
+$format3 = "%x %x %x";
+
+$format11 = "%X";
+$format22 = "%X %X";
+$format33 = "%X %X %X";
+
+$arg1 = 11;
+$arg2 = 132;
+$arg3 = 177;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+var_dump( sprintf($format11, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+var_dump( sprintf($format22, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+var_dump( sprintf($format33, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : basic functionality - using hexadecimal format ***
+string(6) "format"
+string(1) "b"
+string(1) "B"
+string(4) "b 84"
+string(4) "B 84"
+string(7) "b 84 b1"
+string(7) "B 84 B1"
+Done
diff --git a/tests/std/strings/sprintf_error.phpt b/tests/std/strings/sprintf_error.phpt
new file mode 100644
index 00000000..7130e803
--- /dev/null
+++ b/tests/std/strings/sprintf_error.phpt
@@ -0,0 +1,91 @@
+--TEST--
+Test sprintf() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT compile-time argument checking differs from PHP runtime';
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing sprintf() function with Zero arguments --\n";
+try {
+    var_dump( sprintf() );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "\n-- Testing sprintf() function with less than expected no. of arguments --\n";
+$format1 = '%s';
+$format2 = '%s%s';
+$format3 = '%s%s%s';
+$arg1 = 'one';
+$arg2 = 'two';
+
+// with one argument less than expected
+try {
+    var_dump( sprintf($format1) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( sprintf($format2,$arg1) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( sprintf($format3,$arg1,$arg2) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+// with two argument less than expected
+try {
+    var_dump( sprintf($format2) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( sprintf($format3,$arg1) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+// with three argument less than expected
+try {
+    var_dump( sprintf($format3) );
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    var_dump(sprintf('%100$d %d'));
+} catch (\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    var_dump(sprintf("foo %", 42));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : error conditions ***
+
+-- Testing sprintf() function with Zero arguments --
+sprintf() expects at least 1 argument, 0 given
+
+-- Testing sprintf() function with less than expected no. of arguments --
+2 arguments are required, 1 given
+3 arguments are required, 2 given
+4 arguments are required, 3 given
+3 arguments are required, 1 given
+4 arguments are required, 2 given
+4 arguments are required, 1 given
+101 arguments are required, 1 given
+Missing format specifier at end of string
+Done
diff --git a/tests/std/strings/sprintf_f.phpt b/tests/std/strings/sprintf_f.phpt
new file mode 100644
index 00000000..6cba6d10
--- /dev/null
+++ b/tests/std/strings/sprintf_f.phpt
@@ -0,0 +1,40 @@
+--TEST--
+sprintf %f
+--FILE--
+<?php
+
+var_dump(sprintf("%3.2f", 1.2));
+var_dump(sprintf("%-3.2f", 1.2));
+var_dump(sprintf("%03.2f", 1.2));
+var_dump(sprintf("%-03.2f", 1.2));
+echo "\n";
+var_dump(sprintf("%5.2f", 3.4));
+var_dump(sprintf("%-5.2f", 3.4));
+var_dump(sprintf("%05.2f", 3.4));
+var_dump(sprintf("%-05.2f", 3.4));
+echo "\n";
+var_dump(sprintf("%7.2f", -5.6));
+var_dump(sprintf("%-7.2f", -5.6));
+var_dump(sprintf("%07.2f", -5.6));
+var_dump(sprintf("%-07.2f", -5.6));
+echo "\n";
+var_dump(sprintf("%3.4f", 1.2345678e99));
+
+?>
+--EXPECTF--
+string(4) "1.20"
+string(4) "1.20"
+string(4) "1.20"
+string(4) "1.20"
+
+string(5) " 3.40"
+string(5) "3.40 "
+string(5) "03.40"
+string(5) "3.400"
+
+string(7) "  -5.60"
+string(7) "-5.60  "
+string(7) "-005.60"
+string(7) "-5.6000"
+
+string(105) "1234567%d.0000"
diff --git a/tests/std/strings/sprintf_f_2.phpt b/tests/std/strings/sprintf_f_2.phpt
new file mode 100644
index 00000000..83157a7b
--- /dev/null
+++ b/tests/std/strings/sprintf_f_2.phpt
@@ -0,0 +1,120 @@
+--TEST--
+sprintf %f #2
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+var_dump(sprintf("%.3F", 100.426));
+var_dump(sprintf("%.2F", 100.426));
+var_dump(sprintf("%d",   100.426));
+var_dump(sprintf("%d",   100.9));
+var_dump(sprintf("%o",   100.426));
+var_dump(sprintf("%o",   100.9));
+
+/* copy & paste from the docs */
+
+/* example#1: Argument swapping */
+$num = 100.1;
+$location = "world";
+
+$format = 'There are %d monkeys in the %s';
+var_dump(sprintf($format, $num, $location));
+
+/* example#2: Argument swapping */
+$format = 'The %s contains %d monkeys';
+var_dump(sprintf($format, $num, $location));
+
+/* example#3: Argument swapping */
+$format = 'The %2$s contains %1$d monkeys';
+var_dump(sprintf($format, $num, $location));
+
+/* example#4: Argument swapping */
+$format = 'The %2$s contains %1$d monkeys.
+    That\'s a nice %2$s full of %1$d monkeys.';
+var_dump(sprintf($format, $num, $location));
+
+/* example#5: various examples */
+$n =  43951789;
+$u = -43951789;
+$c = 65; // ASCII 65 is 'A'
+
+// notice the double %%, this prints a literal '%' character
+var_dump(sprintf("%%b = '%b'", $n)); // binary representation
+var_dump(sprintf("%%c = '%c'", $c)); // print the ascii character, same as chr() function
+var_dump(sprintf("%%d = '%d'", $n)); // standard integer representation
+var_dump(sprintf("%%e = '%e'", $n)); // scientific notation
+var_dump(sprintf("%%u = '%u'", $n)); // unsigned integer representation of a positive integer
+var_dump(sprintf("%%u = '%u'", $u)); // unsigned integer representation of a negative integer
+var_dump(sprintf("%%f = '%f'", $n)); // floating point representation
+var_dump(sprintf("%%o = '%o'", $n)); // octal representation
+var_dump(sprintf("%%s = '%s'", $n)); // string representation
+var_dump(sprintf("%%x = '%x'", $n)); // hexadecimal representation (lower-case)
+var_dump(sprintf("%%X = '%X'", $n)); // hexadecimal representation (upper-case)
+
+var_dump(sprintf("%%+d = '%+d'", $n)); // sign specifier on a positive integer
+var_dump(sprintf("%%+d = '%+d'", $u)); // sign specifier on a negative integer
+
+
+/* example#6: string specifiers */
+$s = 'monkey';
+$t = 'many monkeys';
+
+var_dump(sprintf("[%s]",      $s)); // standard string output
+var_dump(sprintf("[%10s]",    $s)); // right-justification with spaces
+var_dump(sprintf("[%-10s]",   $s)); // left-justification with spaces
+var_dump(sprintf("[%010s]",   $s)); // zero-padding works on strings too
+var_dump(sprintf("[%'#10s]",  $s)); // use the custom padding character '#'
+var_dump(sprintf("[%10.10s]", $t)); // left-justification but with a cutoff of 10 characters
+
+/* example#7: zero-padded integers */
+var_dump(sprintf("%04d-%02d-%02d", 2006, 12, 18));
+
+/* example#8: formatting currency */
+$money1 = 68.75;
+$money2 = 54.35;
+$money = $money1 + $money2;
+var_dump(sprintf("%01.2f", $money)); // output "123.10"
+
+/* example#9: scientific notation */
+$number = 362525200;
+
+var_dump(sprintf("%.3e", $number)); // outputs 3.63e+8
+?>
+--EXPECTREGEX--
+string\(7\) \"100\.426\"
+string\(6\) \"100\.43\"
+string\(3\) \"100\"
+string\(3\) \"100\"
+string\(3\) \"144\"
+string\(3\) \"144\"
+string\(34\) \"There are 100 monkeys in the world\"
+string\(28\) \"The 100\.1 contains 0 monkeys\"
+string\(30\) \"The world contains 100 monkeys\"
+string\(76\) \"The world contains 100 monkeys.
+    That's a nice world full of 100 monkeys\.\"
+string\(33\) \"%b = '10100111101010011010101101'\"
+string\(8\) \"%c = 'A'\"
+string\(15\) \"%d = '43951789'\"
+string\(18\) \"%e = '4\.395179e\+7'\"
+string\(15\) \"%u = '43951789'\"
+(string\(17\) \"%u = '4251015507'\"|string\(27\) \"%u = '18446744073665599827'\")
+string\(22\) \"%f = '43951789\.000000'\"
+string\(16\) \"%o = '247523255'\"
+string\(15\) \"%s = '43951789'\"
+string\(14\) \"%x = '29ea6ad'\"
+string\(14\) \"%X = '29EA6AD'\"
+string\(17\) \"%\+d = '\+43951789'\"
+string\(17\) \"%\+d = '-43951789'\"
+string\(8\) \"\[monkey\]\"
+string\(12\) \"\[    monkey\]\"
+string\(12\) \"\[monkey    \]\"
+string\(12\) \"\[0000monkey\]\"
+string\(12\) \"\[####monkey\]\"
+string\(12\) \"\[many monke\]\"
+string\(10\) \"2006-12-18\"
+string\(6\) \"123\.10\"
+string\(8\) \"3\.625e\+8\"
diff --git a/tests/std/strings/sprintf_f_3.phpt b/tests/std/strings/sprintf_f_3.phpt
new file mode 100644
index 00000000..38d580d4
--- /dev/null
+++ b/tests/std/strings/sprintf_f_3.phpt
@@ -0,0 +1,26 @@
+--TEST--
+sprintf %f #3
+--SKIPIF--
+<?php
+if (setlocale(LC_ALL, 'invalid') === 'invalid') { die('skip setlocale() is broken /w musl'); }
+if(false == setlocale(LC_NUMERIC, "is_IS", "is_IS.UTF-8")) print "skip icelandic locale not supported";
+?>
+--FILE--
+<?php
+setlocale(LC_NUMERIC, "is_IS", "is_IS.UTF-8");
+var_dump(sprintf("%.3f", 100.426));
+var_dump(sprintf("%.2f", 100.426));
+var_dump(sprintf("%f'",  100.426));
+
+$money1 = 68.75;
+$money2 = 54.35;
+$money = $money1 + $money2;
+var_dump(sprintf("%01.2f", $money));
+var_dump(sprintf("%.3e", $money));
+?>
+--EXPECT--
+string(7) "100,426"
+string(6) "100,43"
+string(11) "100,426000'"
+string(6) "123,10"
+string(8) "1.231e+2"
diff --git a/tests/std/strings/sprintf_rope_optimization_001.phpt b/tests/std/strings/sprintf_rope_optimization_001.phpt
new file mode 100644
index 00000000..2f2736a8
--- /dev/null
+++ b/tests/std/strings/sprintf_rope_optimization_001.phpt
@@ -0,0 +1,186 @@
+--TEST--
+Test sprintf() function : Rope Optimization
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+function func($str) {
+	return strtoupper($str);
+}
+function sideeffect() {
+	echo "Called!\n";
+	return "foo";
+}
+class Foo {
+	public function __construct() {
+		echo "Called\n";
+	}
+}
+
+$a = "foo";
+$b = "bar";
+$c = new stdClass();
+
+try {
+	var_dump(sprintf("const"));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s", $a));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s/%s", $a, $b));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s/%s/%s", $a, $b));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s/%s/%s", $a, $b, $c));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s/", func("baz")));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("/%s", func("baz")));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("/%s/", func("baz")));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s%s%s%s", $a, $b, func("baz"), $a));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s/%s", sprintf("%s:%s", $a, $b), sprintf("%s-%s", func('baz'), func('baz'))));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf(sideeffect()));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s-%s-%s", __FILE__, __LINE__, 1));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	$values = range('a', 'z');
+	var_dump(sprintf("%s%s%s", "{$values[0]}{$values[1]}{$values[2]}", "{$values[3]}{$values[4]}{$values[5]}", "{$values[6]}{$values[7]}{$values[8]}"));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%s%s%s", new Foo(), new Foo(), new Foo(), ));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf(...));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf('%%s'));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf('%%s', 'test'));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf('%s-%s-%s', [], [], []));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf(""));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf());
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf('%s-%s-%s', true, false, true));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+echo "Done";
+?>
+--EXPECTF--
+string(5) "const"
+
+string(3) "foo"
+
+string(7) "foo/bar"
+
+ArgumentCountError: 4 arguments are required, 3 given in %s:32
+Stack trace:
+#0 %s(32): sprintf('%s/%s/%s', 'foo', 'bar')
+#1 {main}
+
+Error: Object of class stdClass could not be converted to string in %s:36
+Stack trace:
+#0 {main}
+
+string(4) "BAZ/"
+
+string(4) "/BAZ"
+
+string(5) "/BAZ/"
+
+string(12) "foobarBAZfoo"
+
+string(15) "foo:bar/BAZ-BAZ"
+
+Called!
+string(3) "foo"
+
+string(%d) "%ssprintf_rope_optimization_001.php-%d-1"
+
+string(9) "abcdefghi"
+
+Called
+Called
+Called
+Error: Object of class Foo could not be converted to string in %s:73
+Stack trace:
+#0 {main}
+
+object(Closure)#3 (2) {
+  ["function"]=>
+  string(7) "sprintf"
+  ["parameter"]=>
+  array(2) {
+    ["$format"]=>
+    string(10) "<required>"
+    ["$values"]=>
+    string(10) "<optional>"
+  }
+}
+
+string(2) "%s"
+
+string(2) "%s"
+
+
+Warning: Array to string conversion in %s on line 89
+
+Warning: Array to string conversion in %s on line 89
+
+Warning: Array to string conversion in %s on line 89
+string(17) "Array-Array-Array"
+
+string(0) ""
+
+ArgumentCountError: sprintf() expects at least 1 argument, 0 given in %s:97
+Stack trace:
+#0 %s(97): sprintf()
+#1 {main}
+
+string(4) "1--1"
+
+Done
diff --git a/tests/std/strings/sprintf_rope_optimization_002.phpt b/tests/std/strings/sprintf_rope_optimization_002.phpt
new file mode 100644
index 00000000..a6c71b81
--- /dev/null
+++ b/tests/std/strings/sprintf_rope_optimization_002.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Test sprintf() function : Rope Optimization with a throwing error handler.
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+function exception_error_handler(int $errno, string $errstr, ?string $errfile, int $errline) {
+	if (!(error_reporting() & $errno)) {
+		// This error code is not included in error_reporting
+		return;
+	}
+	throw new \ErrorException($errstr, 0, $errno, $errfile, $errline);
+}
+set_error_handler(exception_error_handler(...));
+
+try {
+	var_dump(sprintf("%s-%s", new stdClass(), []));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+echo "Done";
+?>
+--EXPECTF--
+Error: Object of class stdClass could not be converted to string in %s:13
+Stack trace:
+#0 {main}
+
+Done
diff --git a/tests/std/strings/sprintf_rope_optimization_003.phpt b/tests/std/strings/sprintf_rope_optimization_003.phpt
new file mode 100644
index 00000000..ff1ab224
--- /dev/null
+++ b/tests/std/strings/sprintf_rope_optimization_003.phpt
@@ -0,0 +1,138 @@
+--TEST--
+Test sprintf() function : Rope Optimization for '%d'.
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+function func($num) {
+	return $num + 1;
+}
+function sideeffect() {
+	echo "Called!\n";
+	return "foo";
+}
+class Foo {
+	public function __construct() {
+		echo "Called\n";
+	}
+}
+
+$a = 42;
+$b = -1337;
+$c = 3.14;
+$d = new stdClass();
+
+try {
+	var_dump(sprintf("%d", $a));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d", $a, $b));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d/%d", $a, $b, $c));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d/%d/%d", $a, $b, $c, $d));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/", func(0)));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("/%d", func(0)));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("/%d/", func(0)));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d/%d/%d", $a, $b, func(0), $a));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d/%d/%d", __FILE__, __LINE__, 1, M_PI));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d/%d", new Foo(), new Foo(), new Foo(), ));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf('%d/%d/%d', [], [], []));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	if (PHP_INT_SIZE == 8) {
+		var_dump(sprintf('%d/%d/%d', PHP_INT_MAX, 0, PHP_INT_MIN));
+		var_dump("2147483647/0/-2147483648");
+	} else {
+		var_dump("9223372036854775807/0/-9223372036854775808");
+		var_dump(sprintf('%d/%d/%d', PHP_INT_MAX, 0, PHP_INT_MIN));
+	}
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf('%d/%d/%d', true, false, true));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d/%d", true, 'foo'));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+try {
+	var_dump(sprintf("%d", 'foo'));
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+echo "Done";
+?>
+--EXPECTF--
+string(2) "42"
+
+string(8) "42/-1337"
+
+string(10) "42/-1337/3"
+
+
+Warning: Object of class stdClass could not be converted to int in %s on line 33
+string(12) "42/-1337/3/1"
+
+string(2) "1/"
+
+string(2) "/1"
+
+string(3) "/1/"
+
+string(13) "42/-1337/1/42"
+
+string(8) "0/53/1/3"
+
+Called
+Called
+Called
+
+Warning: Object of class Foo could not be converted to int in %s on line 57
+
+Warning: Object of class Foo could not be converted to int in %s on line 57
+
+Warning: Object of class Foo could not be converted to int in %s on line 57
+string(5) "1/1/1"
+
+string(5) "0/0/0"
+
+string(42) "9223372036854775807/0/-9223372036854775808"
+string(24) "2147483647/0/-2147483648"
+
+string(5) "1/0/1"
+
+string(3) "1/0"
+
+string(1) "0"
+
+Done
diff --git a/tests/std/strings/sprintf_rope_optimization_004.phpt b/tests/std/strings/sprintf_rope_optimization_004.phpt
new file mode 100644
index 00000000..27837e51
--- /dev/null
+++ b/tests/std/strings/sprintf_rope_optimization_004.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test sprintf() function : Rope Optimization for '%d' with GMP objects
+--EXTENSIONS--
+gmp
+--FILE--
+<?php
+
+$a = new GMP("42");
+$b = new GMP("-1337");
+$c = new GMP("999999999999999999999999999999999");
+
+try {
+	if (PHP_INT_SIZE == 8) {
+		var_dump(sprintf("%d/%d/%d/%s", $a, $b, $c, $c + 1));
+		var_dump("42/-1337/2147483647/1000000000000000000000000000000000");
+	} else {
+		var_dump("42/-1337/4089650035136921599/1000000000000000000000000000000000");
+		var_dump(sprintf("%d/%d/%d/%s", $a, $b, $c, $c + 1));
+	}
+} catch (\Throwable $e) {echo $e, PHP_EOL; } echo PHP_EOL;
+
+echo "Done";
+?>
+--EXPECTF--
+string(63) "42/-1337/4089650035136921599/1000000000000000000000000000000000"
+string(54) "42/-1337/2147483647/1000000000000000000000000000000000"
+
+Done
diff --git a/tests/std/strings/sprintf_star.phpt b/tests/std/strings/sprintf_star.phpt
new file mode 100644
index 00000000..013b594b
--- /dev/null
+++ b/tests/std/strings/sprintf_star.phpt
@@ -0,0 +1,116 @@
+--TEST--
+Star width and precision in sprintf()
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+
+$f = 1.23456789012345678;
+$fx = 1.23456789012345678e100;
+var_dump($f, $fx);
+
+printf("%.*f\n", 10, $f);
+printf("%.*G\n", 10, $f);
+printf("%.*g\n", -1, $fx);
+printf("%.*G\n", -1, $fx);
+printf("%.*h\n", -1, $fx);
+printf("%.*H\n", -1, $fx);
+printf("%.*s\n", 3, "foobar");
+echo "\n";
+
+printf("%*f\n", 10, $f);
+printf("%*G\n", 10, $f);
+printf("%*s\n", 10, "foobar");
+echo "\n";
+
+printf("%*.*f\n", 10, 3, $f);
+printf("%*.*G\n", 10, 3, $f);
+printf("%*.*s\n", 10, 3, "foobar");
+echo "\n";
+
+printf("%1$.*2\$f\n", $f, 10);
+printf("%.*2\$f\n", $f, 10);
+printf("%2$.*f\n", 10, $f);
+printf("%1$*2\$f\n", $f, 10);
+printf("%*2\$f\n", $f, 10);
+printf("%2$*f\n", 10, $f);
+printf("%1$*2$.*3\$f\n", $f, 10, 3);
+printf("%*2$.*3\$f\n", $f, 10, 3);
+printf("%3$*.*f\n", 10, 3, $f);
+echo "\n";
+
+try {
+    printf("%.*G\n", "foo", 1.5);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    printf("%.*G\n", -100, 1.5);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    printf("%.*s\n", -1, "Foo");
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    printf("%*G\n", -1, $f);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    printf("%9999999999999999999999.f\n", $f);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    printf("%.9999999999999999999999f\n", $f);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+float(1.2345678901234567)
+float(1.2345678901234569E+100)
+1.2345678901
+1.23456789
+1.2345678901234569e+100
+1.2345678901234569E+100
+1.2345678901234569e+100
+1.2345678901234569E+100
+foo
+
+  1.234568
+   1.23457
+    foobar
+
+     1.235
+      1.23
+       foo
+
+1.2345678901
+1.2345678901
+1.2345678901
+  1.234568
+  1.234568
+  1.234568
+     1.235
+     1.235
+     1.235
+
+Precision must be an integer
+Precision must be between -1 and 2147483647
+Precision -1 is only supported for %g, %G, %h and %H
+Width must be between 0 and 2147483647
+Width must be between 0 and 2147483647
+Precision must be between 0 and 2147483647
diff --git a/tests/std/strings/sprintf_variation1.phpt b/tests/std/strings/sprintf_variation1.phpt
new file mode 100644
index 00000000..4923830b
--- /dev/null
+++ b/tests/std/strings/sprintf_variation1.phpt
@@ -0,0 +1,217 @@
+--TEST--
+Test sprintf() function : usage variations - unexpected values for format argument
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+/*
+* Testing sprintf() : with different unexpected values for format argument other than the strings
+*/
+
+echo "*** Testing sprintf() : with unexpected values for format argument ***\n";
+
+// initialing required variables
+$arg1 = "second arg";
+$arg2 = "third arg";
+
+// declaring class
+class sample
+{
+  public function __toString() {
+    return "Object";
+  }
+}
+
+// creating a file resource
+$file_handle = fopen(__FILE__, 'r');
+
+//array of values to iterate over
+$values = array(
+
+      // int data
+      0,
+      1,
+      12345,
+      -2345,
+
+      // float data
+      10.5,
+      -10.5,
+      10.1234567e10,
+      10.7654321E-10,
+      .5,
+
+      // array data
+      array(),
+      array(0),
+      array(1),
+      array(1, 2),
+      array('color' => 'red', 'item' => 'pen'),
+
+      // boolean data
+      true,
+      false,
+      TRUE,
+      FALSE,
+
+      // empty data
+      "",
+      '',
+
+      // object data
+      new sample(),
+
+      // resource data
+      $file_handle
+);
+
+// loop through each element of the array for format
+
+$count = 1;
+foreach($values as $value) {
+  echo "\n-- Iteration $count --\n";
+
+  // with default argument
+  try {
+    var_dump(sprintf($value));
+  } catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+  }
+
+  // with two arguments
+  try {
+    var_dump(sprintf($value, $arg1));
+  } catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+  }
+
+  // with three arguments
+  try {
+    var_dump(sprintf($value, $arg1, $arg2));
+  } catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+  }
+
+  $count++;
+}
+
+// close the resource
+fclose($file_handle);
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : with unexpected values for format argument ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+string(1) "0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+string(1) "1"
+
+-- Iteration 3 --
+string(5) "12345"
+string(5) "12345"
+string(5) "12345"
+
+-- Iteration 4 --
+string(5) "-2345"
+string(5) "-2345"
+string(5) "-2345"
+
+-- Iteration 5 --
+string(4) "10.5"
+string(4) "10.5"
+string(4) "10.5"
+
+-- Iteration 6 --
+string(5) "-10.5"
+string(5) "-10.5"
+string(5) "-10.5"
+
+-- Iteration 7 --
+string(12) "101234567000"
+string(12) "101234567000"
+string(12) "101234567000"
+
+-- Iteration 8 --
+string(13) "1.07654321E-9"
+string(13) "1.07654321E-9"
+string(13) "1.07654321E-9"
+
+-- Iteration 9 --
+string(3) "0.5"
+string(3) "0.5"
+string(3) "0.5"
+
+-- Iteration 10 --
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+
+-- Iteration 11 --
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+
+-- Iteration 12 --
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+
+-- Iteration 13 --
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+
+-- Iteration 14 --
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+sprintf(): Argument #1 ($format) must be of type string, array given
+
+-- Iteration 15 --
+string(1) "1"
+string(1) "1"
+string(1) "1"
+
+-- Iteration 16 --
+string(0) ""
+string(0) ""
+string(0) ""
+
+-- Iteration 17 --
+string(1) "1"
+string(1) "1"
+string(1) "1"
+
+-- Iteration 18 --
+string(0) ""
+string(0) ""
+string(0) ""
+
+-- Iteration 19 --
+string(0) ""
+string(0) ""
+string(0) ""
+
+-- Iteration 20 --
+string(0) ""
+string(0) ""
+string(0) ""
+
+-- Iteration 21 --
+string(6) "Object"
+string(6) "Object"
+string(6) "Object"
+
+-- Iteration 22 --
+sprintf(): Argument #1 ($format) must be of type string, resource given
+sprintf(): Argument #1 ($format) must be of type string, resource given
+sprintf(): Argument #1 ($format) must be of type string, resource given
+Done
diff --git a/tests/std/strings/sprintf_variation10.phpt b/tests/std/strings/sprintf_variation10.phpt
new file mode 100644
index 00000000..5a62047e
--- /dev/null
+++ b/tests/std/strings/sprintf_variation10.phpt
@@ -0,0 +1,248 @@
+--TEST--
+Test sprintf() function : usage variations - float formats with integer values
+--FILE--
+<?php
+echo "*** Testing sprintf() : float formats with integer values ***\n";
+
+// array of int type values
+$integer_values = array (
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// various float formats
+$float_formats = array(
+  "%f", "%lf", " %f", "%f ",
+  "\t%f", "\n%f", "%4f", "%30f",
+);
+
+$count = 1;
+foreach($integer_values as $int_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($float_formats as $format) {
+    // with two arguments
+    var_dump( sprintf($format, $int_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : float formats with integer values ***
+
+-- Iteration 1 --
+string(8) "0.000000"
+string(8) "0.000000"
+string(9) " 0.000000"
+string(9) "0.000000 "
+string(9) "	0.000000"
+string(9) "
+0.000000"
+string(8) "0.000000"
+string(30) "                      0.000000"
+
+-- Iteration 2 --
+string(8) "1.000000"
+string(8) "1.000000"
+string(9) " 1.000000"
+string(9) "1.000000 "
+string(9) "	1.000000"
+string(9) "
+1.000000"
+string(8) "1.000000"
+string(30) "                      1.000000"
+
+-- Iteration 3 --
+string(9) "-1.000000"
+string(9) "-1.000000"
+string(10) " -1.000000"
+string(10) "-1.000000 "
+string(10) "	-1.000000"
+string(10) "
+-1.000000"
+string(9) "-1.000000"
+string(30) "                     -1.000000"
+
+-- Iteration 4 --
+string(18) "-2147483648.000000"
+string(18) "-2147483648.000000"
+string(19) " -2147483648.000000"
+string(19) "-2147483648.000000 "
+string(19) "	-2147483648.000000"
+string(19) "
+-2147483648.000000"
+string(18) "-2147483648.000000"
+string(30) "            -2147483648.000000"
+
+-- Iteration 5 --
+string(18) "-2147483647.000000"
+string(18) "-2147483647.000000"
+string(19) " -2147483647.000000"
+string(19) "-2147483647.000000 "
+string(19) "	-2147483647.000000"
+string(19) "
+-2147483647.000000"
+string(18) "-2147483647.000000"
+string(30) "            -2147483647.000000"
+
+-- Iteration 6 --
+string(17) "2147483647.000000"
+string(17) "2147483647.000000"
+string(18) " 2147483647.000000"
+string(18) "2147483647.000000 "
+string(18) "	2147483647.000000"
+string(18) "
+2147483647.000000"
+string(17) "2147483647.000000"
+string(30) "             2147483647.000000"
+
+-- Iteration 7 --
+string(17) "2147483640.000000"
+string(17) "2147483640.000000"
+string(18) " 2147483640.000000"
+string(18) "2147483640.000000 "
+string(18) "	2147483640.000000"
+string(18) "
+2147483640.000000"
+string(17) "2147483640.000000"
+string(30) "             2147483640.000000"
+
+-- Iteration 8 --
+string(11) "4667.000000"
+string(11) "4667.000000"
+string(12) " 4667.000000"
+string(12) "4667.000000 "
+string(12) "	4667.000000"
+string(12) "
+4667.000000"
+string(11) "4667.000000"
+string(30) "                   4667.000000"
+
+-- Iteration 9 --
+string(11) "4779.000000"
+string(11) "4779.000000"
+string(12) " 4779.000000"
+string(12) "4779.000000 "
+string(12) "	4779.000000"
+string(12) "
+4779.000000"
+string(11) "4779.000000"
+string(30) "                   4779.000000"
+
+-- Iteration 10 --
+string(11) "4095.000000"
+string(11) "4095.000000"
+string(12) " 4095.000000"
+string(12) "4095.000000 "
+string(12) "	4095.000000"
+string(12) "
+4095.000000"
+string(11) "4095.000000"
+string(30) "                   4095.000000"
+
+-- Iteration 11 --
+string(10) "250.000000"
+string(10) "250.000000"
+string(11) " 250.000000"
+string(11) "250.000000 "
+string(11) "	250.000000"
+string(11) "
+250.000000"
+string(10) "250.000000"
+string(30) "                    250.000000"
+
+-- Iteration 12 --
+string(18) "-2147483648.000000"
+string(18) "-2147483648.000000"
+string(19) " -2147483648.000000"
+string(19) "-2147483648.000000 "
+string(19) "	-2147483648.000000"
+string(19) "
+-2147483648.000000"
+string(18) "-2147483648.000000"
+string(30) "            -2147483648.000000"
+
+-- Iteration 13 --
+string(17) "2147483647.000000"
+string(17) "2147483647.000000"
+string(18) " 2147483647.000000"
+string(18) "2147483647.000000 "
+string(18) "	2147483647.000000"
+string(18) "
+2147483647.000000"
+string(17) "2147483647.000000"
+string(30) "             2147483647.000000"
+
+-- Iteration 14 --
+string(17) "2147483647.000000"
+string(17) "2147483647.000000"
+string(18) " 2147483647.000000"
+string(18) "2147483647.000000 "
+string(18) "	2147483647.000000"
+string(18) "
+2147483647.000000"
+string(17) "2147483647.000000"
+string(30) "             2147483647.000000"
+
+-- Iteration 15 --
+string(9) "83.000000"
+string(9) "83.000000"
+string(10) " 83.000000"
+string(10) "83.000000 "
+string(10) "	83.000000"
+string(10) "
+83.000000"
+string(9) "83.000000"
+string(30) "                     83.000000"
+
+-- Iteration 16 --
+string(8) "1.000000"
+string(8) "1.000000"
+string(9) " 1.000000"
+string(9) "1.000000 "
+string(9) "	1.000000"
+string(9) "
+1.000000"
+string(8) "1.000000"
+string(30) "                      1.000000"
+
+-- Iteration 17 --
+string(18) "-2147483648.000000"
+string(18) "-2147483648.000000"
+string(19) " -2147483648.000000"
+string(19) "-2147483648.000000 "
+string(19) "	-2147483648.000000"
+string(19) "
+-2147483648.000000"
+string(18) "-2147483648.000000"
+string(30) "            -2147483648.000000"
+
+-- Iteration 18 --
+string(17) "2147483647.000000"
+string(17) "2147483647.000000"
+string(18) " 2147483647.000000"
+string(18) "2147483647.000000 "
+string(18) "	2147483647.000000"
+string(18) "
+2147483647.000000"
+string(17) "2147483647.000000"
+string(30) "             2147483647.000000"
+Done
diff --git a/tests/std/strings/sprintf_variation15.phpt b/tests/std/strings/sprintf_variation15.phpt
new file mode 100644
index 00000000..3b1abe75
--- /dev/null
+++ b/tests/std/strings/sprintf_variation15.phpt
@@ -0,0 +1,331 @@
+--TEST--
+Test sprintf() function : usage variations - string formats with string values
+--FILE--
+<?php
+echo "*** Testing sprintf() : string formats with string values ***\n";
+
+// defining different heredoc strings
+/* string created using Heredoc (<<<) */
+$heredoc_string = <<<EOT
+This is string defined
+using heredoc.
+EOT;
+
+/* heredoc string with only numerics */
+$heredoc_numeric_string = <<<EOT
+123456 3993
+4849 string
+EOT;
+
+/* null heardoc string */
+$heredoc_empty_string = <<<EOT
+EOT;
+$heredoc_null_string = <<<EOT
+NULL
+EOT;
+
+// array of strings used to test the function
+$string_values = array(
+  "",
+  " ",
+  '',
+  ' ',
+  "string",
+  'string',
+  "NULL",
+  'null',
+  "FALSE",
+  'true',
+  "\x0b",
+  "\0",
+  '\0',
+  '\060',
+  "\070",
+  "0x55F",
+  "055",
+  "@#$#$%%$^^$%^%^$^&",
+  $heredoc_string,
+  $heredoc_numeric_string,
+  $heredoc_empty_string,
+  $heredoc_null_string
+);
+
+// array of string formats
+$string_formats = array(
+  "%s", "%ls", " %s", "%s ",
+  "\t%s", "\n%s", "%4s", "%30s",
+);
+
+$count = 1;
+foreach($string_values as $string_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($string_formats as $format) {
+    var_dump( sprintf($format, $string_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing sprintf() : string formats with string values ***
+
+-- Iteration 1 --
+string(0) ""
+string(0) ""
+string(1) " "
+string(1) " "
+string(1) "	"
+string(1) "
+"
+string(4) "    "
+string(30) "                              "
+
+-- Iteration 2 --
+string(1) " "
+string(1) " "
+string(2) "  "
+string(2) "  "
+string(2) "	 "
+string(2) "
+ "
+string(4) "    "
+string(30) "                              "
+
+-- Iteration 3 --
+string(0) ""
+string(0) ""
+string(1) " "
+string(1) " "
+string(1) "	"
+string(1) "
+"
+string(4) "    "
+string(30) "                              "
+
+-- Iteration 4 --
+string(1) " "
+string(1) " "
+string(2) "  "
+string(2) "  "
+string(2) "	 "
+string(2) "
+ "
+string(4) "    "
+string(30) "                              "
+
+-- Iteration 5 --
+string(6) "string"
+string(6) "string"
+string(7) " string"
+string(7) "string "
+string(7) "	string"
+string(7) "
+string"
+string(6) "string"
+string(30) "                        string"
+
+-- Iteration 6 --
+string(6) "string"
+string(6) "string"
+string(7) " string"
+string(7) "string "
+string(7) "	string"
+string(7) "
+string"
+string(6) "string"
+string(30) "                        string"
+
+-- Iteration 7 --
+string(4) "NULL"
+string(4) "NULL"
+string(5) " NULL"
+string(5) "NULL "
+string(5) "	NULL"
+string(5) "
+NULL"
+string(4) "NULL"
+string(30) "                          NULL"
+
+-- Iteration 8 --
+string(4) "null"
+string(4) "null"
+string(5) " null"
+string(5) "null "
+string(5) "	null"
+string(5) "
+null"
+string(4) "null"
+string(30) "                          null"
+
+-- Iteration 9 --
+string(5) "FALSE"
+string(5) "FALSE"
+string(6) " FALSE"
+string(6) "FALSE "
+string(6) "	FALSE"
+string(6) "
+FALSE"
+string(5) "FALSE"
+string(30) "                         FALSE"
+
+-- Iteration 10 --
+string(4) "true"
+string(4) "true"
+string(5) " true"
+string(5) "true "
+string(5) "	true"
+string(5) "
+true"
+string(4) "true"
+string(30) "                          true"
+
+-- Iteration 11 --
+string(1) ""
+string(1) ""
+string(2) " "
+string(2) " "
+string(2) "	"
+string(2) "
+"
+string(4) "   "
+string(30) "                             "
+
+-- Iteration 12 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(4) "   %0"
+string(30) "                             %0"
+
+-- Iteration 13 --
+string(2) "\0"
+string(2) "\0"
+string(3) " \0"
+string(3) "\0 "
+string(3) "	\0"
+string(3) "
+\0"
+string(4) "  \0"
+string(30) "                            \0"
+
+-- Iteration 14 --
+string(4) "\060"
+string(4) "\060"
+string(5) " \060"
+string(5) "\060 "
+string(5) "	\060"
+string(5) "
+\060"
+string(4) "\060"
+string(30) "                          \060"
+
+-- Iteration 15 --
+string(1) "8"
+string(1) "8"
+string(2) " 8"
+string(2) "8 "
+string(2) "	8"
+string(2) "
+8"
+string(4) "   8"
+string(30) "                             8"
+
+-- Iteration 16 --
+string(5) "0x55F"
+string(5) "0x55F"
+string(6) " 0x55F"
+string(6) "0x55F "
+string(6) "	0x55F"
+string(6) "
+0x55F"
+string(5) "0x55F"
+string(30) "                         0x55F"
+
+-- Iteration 17 --
+string(3) "055"
+string(3) "055"
+string(4) " 055"
+string(4) "055 "
+string(4) "	055"
+string(4) "
+055"
+string(4) " 055"
+string(30) "                           055"
+
+-- Iteration 18 --
+string(18) "@#$#$%%$^^$%^%^$^&"
+string(18) "@#$#$%%$^^$%^%^$^&"
+string(19) " @#$#$%%$^^$%^%^$^&"
+string(19) "@#$#$%%$^^$%^%^$^& "
+string(19) "	@#$#$%%$^^$%^%^$^&"
+string(19) "
+@#$#$%%$^^$%^%^$^&"
+string(18) "@#$#$%%$^^$%^%^$^&"
+string(30) "            @#$#$%%$^^$%^%^$^&"
+
+-- Iteration 19 --
+string(37) "This is string defined
+using heredoc."
+string(37) "This is string defined
+using heredoc."
+string(38) " This is string defined
+using heredoc."
+string(38) "This is string defined
+using heredoc. "
+string(38) "	This is string defined
+using heredoc."
+string(38) "
+This is string defined
+using heredoc."
+string(37) "This is string defined
+using heredoc."
+string(37) "This is string defined
+using heredoc."
+
+-- Iteration 20 --
+string(23) "123456 3993
+4849 string"
+string(23) "123456 3993
+4849 string"
+string(24) " 123456 3993
+4849 string"
+string(24) "123456 3993
+4849 string "
+string(24) "	123456 3993
+4849 string"
+string(24) "
+123456 3993
+4849 string"
+string(23) "123456 3993
+4849 string"
+string(30) "       123456 3993
+4849 string"
+
+-- Iteration 21 --
+string(0) ""
+string(0) ""
+string(1) " "
+string(1) " "
+string(1) "	"
+string(1) "
+"
+string(4) "    "
+string(30) "                              "
+
+-- Iteration 22 --
+string(4) "NULL"
+string(4) "NULL"
+string(5) " NULL"
+string(5) "NULL "
+string(5) "	NULL"
+string(5) "
+NULL"
+string(4) "NULL"
+string(30) "                          NULL"
+Done
diff --git a/tests/std/strings/sprintf_variation2.phpt b/tests/std/strings/sprintf_variation2.phpt
new file mode 100644
index 00000000..ec089c5d
--- /dev/null
+++ b/tests/std/strings/sprintf_variation2.phpt
@@ -0,0 +1,238 @@
+--TEST--
+Test sprintf() function : usage variations - with all types of values for arg1 argument
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : with different types of values passed for arg1 argument ***\n";
+
+// initialing required variables
+$format = '%s';
+$arg2 = 'third argument';
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// declaring class
+class sample
+{
+  public function __toString() {
+    return "Object";
+  }
+}
+
+// creating a file resource
+$file_handle = fopen(__FILE__, 'r');
+
+//array of values to iterate over
+$values = array(
+
+      // int data
+      0,
+      1,
+      12345,
+      -2345,
+
+      // float data
+      10.5,
+      -10.5,
+      10.1234567e10,
+      10.7654321E-10,
+      .5,
+
+      // array data
+      array(),
+      array(0),
+      array(1),
+      array(1, 2),
+      array('color' => 'red', 'item' => 'pen'),
+
+      // null data
+      NULL,
+      null,
+
+      // boolean data
+      true,
+      false,
+      TRUE,
+      FALSE,
+
+      // empty data
+      "",
+      '',
+
+      // string data
+      "string",
+      'string',
+
+      // object data
+      new sample(),
+
+      // undefined data
+      @$undefined_var,
+
+      // unset data
+      @$unset_var,
+
+      // resource data
+      $file_handle
+);
+
+// loop through each element of the array for arg1
+
+$count = 1;
+foreach($values as $value) {
+  echo "\n-- Iteration $count --\n";
+
+  // with two arguments
+  var_dump( sprintf($format, $value) );
+
+  // with three arguments
+  var_dump( sprintf($format, $value, $arg2) );
+
+  $count++;
+};
+
+// closing the resource
+fclose($file_handle);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing sprintf() : with different types of values passed for arg1 argument ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+
+-- Iteration 3 --
+string(5) "12345"
+string(5) "12345"
+
+-- Iteration 4 --
+string(5) "-2345"
+string(5) "-2345"
+
+-- Iteration 5 --
+string(4) "10.5"
+string(4) "10.5"
+
+-- Iteration 6 --
+string(5) "-10.5"
+string(5) "-10.5"
+
+-- Iteration 7 --
+string(12) "101234567000"
+string(12) "101234567000"
+
+-- Iteration 8 --
+string(13) "1.07654321E-9"
+string(13) "1.07654321E-9"
+
+-- Iteration 9 --
+string(3) "0.5"
+string(3) "0.5"
+
+-- Iteration 10 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 11 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 12 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 13 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 14 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 15 --
+string(0) ""
+string(0) ""
+
+-- Iteration 16 --
+string(0) ""
+string(0) ""
+
+-- Iteration 17 --
+string(1) "1"
+string(1) "1"
+
+-- Iteration 18 --
+string(0) ""
+string(0) ""
+
+-- Iteration 19 --
+string(1) "1"
+string(1) "1"
+
+-- Iteration 20 --
+string(0) ""
+string(0) ""
+
+-- Iteration 21 --
+string(0) ""
+string(0) ""
+
+-- Iteration 22 --
+string(0) ""
+string(0) ""
+
+-- Iteration 23 --
+string(6) "string"
+string(6) "string"
+
+-- Iteration 24 --
+string(6) "string"
+string(6) "string"
+
+-- Iteration 25 --
+string(6) "Object"
+string(6) "Object"
+
+-- Iteration 26 --
+string(0) ""
+string(0) ""
+
+-- Iteration 27 --
+string(0) ""
+string(0) ""
+
+-- Iteration 28 --
+string(%d) "Resource id #%d"
+string(%d) "Resource id #%d"
+Done
diff --git a/tests/std/strings/sprintf_variation27.phpt b/tests/std/strings/sprintf_variation27.phpt
new file mode 100644
index 00000000..0d4516e0
--- /dev/null
+++ b/tests/std/strings/sprintf_variation27.phpt
@@ -0,0 +1,129 @@
+--TEST--
+Test sprintf() function : usage variations - char formats with char values
+--FILE--
+<?php
+echo "*** Testing sprintf() : char formats with char values ***\n";
+
+// array of char values
+$char_values = array( 'a', "a", 67, -67, 99, ' ', '', 'A', "A" );
+
+// array of char formats
+$char_formats = array(
+  "%c", "%lc", " %c", "%c ",
+  "\t%c", "\n%c", "%4c", "%30c",
+);
+
+$count = 1;
+foreach($char_values as $char_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($char_formats as $format) {
+    var_dump( sprintf($format, $char_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing sprintf() : char formats with char values ***
+
+-- Iteration 1 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(1) "%0"
+string(1) "%0"
+
+-- Iteration 2 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(1) "%0"
+string(1) "%0"
+
+-- Iteration 3 --
+string(1) "C"
+string(1) "C"
+string(2) " C"
+string(2) "C "
+string(2) "	C"
+string(2) "
+C"
+string(1) "C"
+string(1) "C"
+
+-- Iteration 4 --
+string(1) "½"
+string(1) "½"
+string(2) " ½"
+string(2) "½ "
+string(2) "	½"
+string(2) "
+½"
+string(1) "½"
+string(1) "½"
+
+-- Iteration 5 --
+string(1) "c"
+string(1) "c"
+string(2) " c"
+string(2) "c "
+string(2) "	c"
+string(2) "
+c"
+string(1) "c"
+string(1) "c"
+
+-- Iteration 6 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(1) "%0"
+string(1) "%0"
+
+-- Iteration 7 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(1) "%0"
+string(1) "%0"
+
+-- Iteration 8 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(1) "%0"
+string(1) "%0"
+
+-- Iteration 9 --
+string(1) "%0"
+string(1) "%0"
+string(2) " %0"
+string(2) "%0 "
+string(2) "	%0"
+string(2) "
+%0"
+string(1) "%0"
+string(1) "%0"
+Done
diff --git a/tests/std/strings/sprintf_variation28.phpt b/tests/std/strings/sprintf_variation28.phpt
new file mode 100644
index 00000000..4903d3ed
--- /dev/null
+++ b/tests/std/strings/sprintf_variation28.phpt
@@ -0,0 +1,253 @@
+--TEST--
+Test sprintf() function : usage variations - octal formats with integer values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : octal formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of octal formats
+$octal_formats = array(
+  "%o", "%lo", " %o", "%o ",
+  "\t%o", "\n%o", "%4o", "%30o",
+);
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($octal_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : octal formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(11) "37777777777"
+string(11) "37777777777"
+string(12) " 37777777777"
+string(12) "37777777777 "
+string(12) "	37777777777"
+string(12) "
+37777777777"
+string(11) "37777777777"
+string(30) "                   37777777777"
+
+-- Iteration 4 --
+string(11) "20000000000"
+string(11) "20000000000"
+string(12) " 20000000000"
+string(12) "20000000000 "
+string(12) "	20000000000"
+string(12) "
+20000000000"
+string(11) "20000000000"
+string(30) "                   20000000000"
+
+-- Iteration 5 --
+string(11) "20000000001"
+string(11) "20000000001"
+string(12) " 20000000001"
+string(12) "20000000001 "
+string(12) "	20000000001"
+string(12) "
+20000000001"
+string(11) "20000000001"
+string(30) "                   20000000001"
+
+-- Iteration 6 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+
+-- Iteration 7 --
+string(11) "17777777770"
+string(11) "17777777770"
+string(12) " 17777777770"
+string(12) "17777777770 "
+string(12) "	17777777770"
+string(12) "
+17777777770"
+string(11) "17777777770"
+string(30) "                   17777777770"
+
+-- Iteration 8 --
+string(5) "11073"
+string(5) "11073"
+string(6) " 11073"
+string(6) "11073 "
+string(6) "	11073"
+string(6) "
+11073"
+string(5) "11073"
+string(30) "                         11073"
+
+-- Iteration 9 --
+string(5) "11253"
+string(5) "11253"
+string(6) " 11253"
+string(6) "11253 "
+string(6) "	11253"
+string(6) "
+11253"
+string(5) "11253"
+string(30) "                         11253"
+
+-- Iteration 10 --
+string(4) "7777"
+string(4) "7777"
+string(5) " 7777"
+string(5) "7777 "
+string(5) "	7777"
+string(5) "
+7777"
+string(4) "7777"
+string(30) "                          7777"
+
+-- Iteration 11 --
+string(3) "372"
+string(3) "372"
+string(4) " 372"
+string(4) "372 "
+string(4) "	372"
+string(4) "
+372"
+string(4) " 372"
+string(30) "                           372"
+
+-- Iteration 12 --
+string(11) "20000000000"
+string(11) "20000000000"
+string(12) " 20000000000"
+string(12) "20000000000 "
+string(12) "	20000000000"
+string(12) "
+20000000000"
+string(11) "20000000000"
+string(30) "                   20000000000"
+
+-- Iteration 13 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+
+-- Iteration 14 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+
+-- Iteration 15 --
+string(3) "123"
+string(3) "123"
+string(4) " 123"
+string(4) "123 "
+string(4) "	123"
+string(4) "
+123"
+string(4) " 123"
+string(30) "                           123"
+
+-- Iteration 16 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(11) "20000000000"
+string(11) "20000000000"
+string(12) " 20000000000"
+string(12) "20000000000 "
+string(12) "	20000000000"
+string(12) "
+20000000000"
+string(11) "20000000000"
+string(30) "                   20000000000"
+
+-- Iteration 18 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+Done
diff --git a/tests/std/strings/sprintf_variation28_64bit.phpt b/tests/std/strings/sprintf_variation28_64bit.phpt
new file mode 100644
index 00000000..331cb4be
--- /dev/null
+++ b/tests/std/strings/sprintf_variation28_64bit.phpt
@@ -0,0 +1,249 @@
+--TEST--
+Test sprintf() function : usage variations - octal formats with integer values
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : octal formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of octal formats
+$octal_formats = array(
+  "%o", "%lo", " %o", "%o ",
+  "\t%o", "\n%o", "%4o", "%30o",
+);
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($octal_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : octal formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(22) "1777777777777777777777"
+string(22) "1777777777777777777777"
+string(23) " 1777777777777777777777"
+string(23) "1777777777777777777777 "
+string(23) "	1777777777777777777777"
+string(23) "
+1777777777777777777777"
+string(22) "1777777777777777777777"
+string(30) "        1777777777777777777777"
+
+-- Iteration 4 --
+string(22) "1777777777760000000000"
+string(22) "1777777777760000000000"
+string(23) " 1777777777760000000000"
+string(23) "1777777777760000000000 "
+string(23) "	1777777777760000000000"
+string(23) "
+1777777777760000000000"
+string(22) "1777777777760000000000"
+string(30) "        1777777777760000000000"
+
+-- Iteration 5 --
+string(22) "1777777777760000000001"
+string(22) "1777777777760000000001"
+string(23) " 1777777777760000000001"
+string(23) "1777777777760000000001 "
+string(23) "	1777777777760000000001"
+string(23) "
+1777777777760000000001"
+string(22) "1777777777760000000001"
+string(30) "        1777777777760000000001"
+
+-- Iteration 6 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+
+-- Iteration 7 --
+string(11) "17777777770"
+string(11) "17777777770"
+string(12) " 17777777770"
+string(12) "17777777770 "
+string(12) "	17777777770"
+string(12) "
+17777777770"
+string(11) "17777777770"
+string(30) "                   17777777770"
+
+-- Iteration 8 --
+string(5) "11073"
+string(5) "11073"
+string(6) " 11073"
+string(6) "11073 "
+string(6) "	11073"
+string(6) "
+11073"
+string(5) "11073"
+string(30) "                         11073"
+
+-- Iteration 9 --
+string(5) "11253"
+string(5) "11253"
+string(6) " 11253"
+string(6) "11253 "
+string(6) "	11253"
+string(6) "
+11253"
+string(5) "11253"
+string(30) "                         11253"
+
+-- Iteration 10 --
+string(4) "7777"
+string(4) "7777"
+string(5) " 7777"
+string(5) "7777 "
+string(5) "	7777"
+string(5) "
+7777"
+string(4) "7777"
+string(30) "                          7777"
+
+-- Iteration 11 --
+string(3) "372"
+string(3) "372"
+string(4) " 372"
+string(4) "372 "
+string(4) "	372"
+string(4) "
+372"
+string(4) " 372"
+string(30) "                           372"
+
+-- Iteration 12 --
+string(22) "1777777777760000000000"
+string(22) "1777777777760000000000"
+string(23) " 1777777777760000000000"
+string(23) "1777777777760000000000 "
+string(23) "	1777777777760000000000"
+string(23) "
+1777777777760000000000"
+string(22) "1777777777760000000000"
+string(30) "        1777777777760000000000"
+
+-- Iteration 13 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+
+-- Iteration 14 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+
+-- Iteration 15 --
+string(3) "123"
+string(3) "123"
+string(4) " 123"
+string(4) "123 "
+string(4) "	123"
+string(4) "
+123"
+string(4) " 123"
+string(30) "                           123"
+
+-- Iteration 16 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(22) "1777777777760000000000"
+string(22) "1777777777760000000000"
+string(23) " 1777777777760000000000"
+string(23) "1777777777760000000000 "
+string(23) "	1777777777760000000000"
+string(23) "
+1777777777760000000000"
+string(22) "1777777777760000000000"
+string(30) "        1777777777760000000000"
+
+-- Iteration 18 --
+string(11) "17777777777"
+string(11) "17777777777"
+string(12) " 17777777777"
+string(12) "17777777777 "
+string(12) "	17777777777"
+string(12) "
+17777777777"
+string(11) "17777777777"
+string(30) "                   17777777777"
+Done
diff --git a/tests/std/strings/sprintf_variation3.phpt b/tests/std/strings/sprintf_variation3.phpt
new file mode 100644
index 00000000..e82adc7a
--- /dev/null
+++ b/tests/std/strings/sprintf_variation3.phpt
@@ -0,0 +1,246 @@
+--TEST--
+Test sprintf() function : usage variations - int formats with int values
+--FILE--
+<?php
+echo "*** Testing sprintf() : integer formats with integer values ***\n";
+
+// different valid  integer values
+$valid_ints = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+// various integer formats
+$int_formats = array(
+  "%d", "%ld", " %d", "%d ",
+  "\t%d", "\n%d", "%4d", "%30d",
+);
+
+$count = 1;
+foreach($valid_ints as $int_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($int_formats as $format) {
+    var_dump( sprintf($format, $int_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : integer formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(2) "-1"
+string(2) "-1"
+string(3) " -1"
+string(3) "-1 "
+string(3) "	-1"
+string(3) "
+-1"
+string(4) "  -1"
+string(30) "                            -1"
+
+-- Iteration 4 --
+string(11) "-2147483648"
+string(11) "-2147483648"
+string(12) " -2147483648"
+string(12) "-2147483648 "
+string(12) "	-2147483648"
+string(12) "
+-2147483648"
+string(11) "-2147483648"
+string(30) "                   -2147483648"
+
+-- Iteration 5 --
+string(11) "-2147483647"
+string(11) "-2147483647"
+string(12) " -2147483647"
+string(12) "-2147483647 "
+string(12) "	-2147483647"
+string(12) "
+-2147483647"
+string(11) "-2147483647"
+string(30) "                   -2147483647"
+
+-- Iteration 6 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 7 --
+string(10) "2147483640"
+string(10) "2147483640"
+string(11) " 2147483640"
+string(11) "2147483640 "
+string(11) "	2147483640"
+string(11) "
+2147483640"
+string(10) "2147483640"
+string(30) "                    2147483640"
+
+-- Iteration 8 --
+string(4) "4667"
+string(4) "4667"
+string(5) " 4667"
+string(5) "4667 "
+string(5) "	4667"
+string(5) "
+4667"
+string(4) "4667"
+string(30) "                          4667"
+
+-- Iteration 9 --
+string(4) "4779"
+string(4) "4779"
+string(5) " 4779"
+string(5) "4779 "
+string(5) "	4779"
+string(5) "
+4779"
+string(4) "4779"
+string(30) "                          4779"
+
+-- Iteration 10 --
+string(4) "4095"
+string(4) "4095"
+string(5) " 4095"
+string(5) "4095 "
+string(5) "	4095"
+string(5) "
+4095"
+string(4) "4095"
+string(30) "                          4095"
+
+-- Iteration 11 --
+string(3) "250"
+string(3) "250"
+string(4) " 250"
+string(4) "250 "
+string(4) "	250"
+string(4) "
+250"
+string(4) " 250"
+string(30) "                           250"
+
+-- Iteration 12 --
+string(11) "-2147483648"
+string(11) "-2147483648"
+string(12) " -2147483648"
+string(12) "-2147483648 "
+string(12) "	-2147483648"
+string(12) "
+-2147483648"
+string(11) "-2147483648"
+string(30) "                   -2147483648"
+
+-- Iteration 13 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 14 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 15 --
+string(2) "83"
+string(2) "83"
+string(3) " 83"
+string(3) "83 "
+string(3) "	83"
+string(3) "
+83"
+string(4) "  83"
+string(30) "                            83"
+
+-- Iteration 16 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(11) "-2147483648"
+string(11) "-2147483648"
+string(12) " -2147483648"
+string(12) "-2147483648 "
+string(12) "	-2147483648"
+string(12) "
+-2147483648"
+string(11) "-2147483648"
+string(30) "                   -2147483648"
+
+-- Iteration 18 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+Done
diff --git a/tests/std/strings/sprintf_variation34.phpt b/tests/std/strings/sprintf_variation34.phpt
new file mode 100644
index 00000000..c7ff681f
--- /dev/null
+++ b/tests/std/strings/sprintf_variation34.phpt
@@ -0,0 +1,271 @@
+--TEST--
+Test sprintf() function : usage variations - hexa formats with integer values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : hexa formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of hexa formats
+$hexa_formats = array(
+  "%x", "%xx", "%lx", " %x", "%x ",
+  "\t%x", "\n%x", "%4x", "%30x",
+);
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($hexa_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : hexa formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(2) "0x"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(2) "1x"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(8) "ffffffff"
+string(9) "ffffffffx"
+string(8) "ffffffff"
+string(9) " ffffffff"
+string(9) "ffffffff "
+string(9) "	ffffffff"
+string(9) "
+ffffffff"
+string(8) "ffffffff"
+string(30) "                      ffffffff"
+
+-- Iteration 4 --
+string(8) "80000000"
+string(9) "80000000x"
+string(8) "80000000"
+string(9) " 80000000"
+string(9) "80000000 "
+string(9) "	80000000"
+string(9) "
+80000000"
+string(8) "80000000"
+string(30) "                      80000000"
+
+-- Iteration 5 --
+string(8) "80000001"
+string(9) "80000001x"
+string(8) "80000001"
+string(9) " 80000001"
+string(9) "80000001 "
+string(9) "	80000001"
+string(9) "
+80000001"
+string(8) "80000001"
+string(30) "                      80000001"
+
+-- Iteration 6 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+
+-- Iteration 7 --
+string(8) "7ffffff8"
+string(9) "7ffffff8x"
+string(8) "7ffffff8"
+string(9) " 7ffffff8"
+string(9) "7ffffff8 "
+string(9) "	7ffffff8"
+string(9) "
+7ffffff8"
+string(8) "7ffffff8"
+string(30) "                      7ffffff8"
+
+-- Iteration 8 --
+string(4) "123b"
+string(5) "123bx"
+string(4) "123b"
+string(5) " 123b"
+string(5) "123b "
+string(5) "	123b"
+string(5) "
+123b"
+string(4) "123b"
+string(30) "                          123b"
+
+-- Iteration 9 --
+string(4) "12ab"
+string(5) "12abx"
+string(4) "12ab"
+string(5) " 12ab"
+string(5) "12ab "
+string(5) "	12ab"
+string(5) "
+12ab"
+string(4) "12ab"
+string(30) "                          12ab"
+
+-- Iteration 10 --
+string(3) "fff"
+string(4) "fffx"
+string(3) "fff"
+string(4) " fff"
+string(4) "fff "
+string(4) "	fff"
+string(4) "
+fff"
+string(4) " fff"
+string(30) "                           fff"
+
+-- Iteration 11 --
+string(2) "fa"
+string(3) "fax"
+string(2) "fa"
+string(3) " fa"
+string(3) "fa "
+string(3) "	fa"
+string(3) "
+fa"
+string(4) "  fa"
+string(30) "                            fa"
+
+-- Iteration 12 --
+string(8) "80000000"
+string(9) "80000000x"
+string(8) "80000000"
+string(9) " 80000000"
+string(9) "80000000 "
+string(9) "	80000000"
+string(9) "
+80000000"
+string(8) "80000000"
+string(30) "                      80000000"
+
+-- Iteration 13 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+
+-- Iteration 14 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+
+-- Iteration 15 --
+string(2) "53"
+string(3) "53x"
+string(2) "53"
+string(3) " 53"
+string(3) "53 "
+string(3) "	53"
+string(3) "
+53"
+string(4) "  53"
+string(30) "                            53"
+
+-- Iteration 16 --
+string(1) "1"
+string(2) "1x"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(8) "80000000"
+string(9) "80000000x"
+string(8) "80000000"
+string(9) " 80000000"
+string(9) "80000000 "
+string(9) "	80000000"
+string(9) "
+80000000"
+string(8) "80000000"
+string(30) "                      80000000"
+
+-- Iteration 18 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+Done
diff --git a/tests/std/strings/sprintf_variation34_64bit.phpt b/tests/std/strings/sprintf_variation34_64bit.phpt
new file mode 100644
index 00000000..aaaca438
--- /dev/null
+++ b/tests/std/strings/sprintf_variation34_64bit.phpt
@@ -0,0 +1,267 @@
+--TEST--
+Test sprintf() function : usage variations - hexa formats with integer values
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : hexa formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of hexa formats
+$hexa_formats = array(
+  "%x", "%xx", "%lx", " %x", "%x ",
+  "\t%x", "\n%x", "%4x", "%30x",
+);
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($hexa_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : hexa formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(2) "0x"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(2) "1x"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(16) "ffffffffffffffff"
+string(17) "ffffffffffffffffx"
+string(16) "ffffffffffffffff"
+string(17) " ffffffffffffffff"
+string(17) "ffffffffffffffff "
+string(17) "	ffffffffffffffff"
+string(17) "
+ffffffffffffffff"
+string(16) "ffffffffffffffff"
+string(30) "              ffffffffffffffff"
+
+-- Iteration 4 --
+string(16) "ffffffff80000000"
+string(17) "ffffffff80000000x"
+string(16) "ffffffff80000000"
+string(17) " ffffffff80000000"
+string(17) "ffffffff80000000 "
+string(17) "	ffffffff80000000"
+string(17) "
+ffffffff80000000"
+string(16) "ffffffff80000000"
+string(30) "              ffffffff80000000"
+
+-- Iteration 5 --
+string(16) "ffffffff80000001"
+string(17) "ffffffff80000001x"
+string(16) "ffffffff80000001"
+string(17) " ffffffff80000001"
+string(17) "ffffffff80000001 "
+string(17) "	ffffffff80000001"
+string(17) "
+ffffffff80000001"
+string(16) "ffffffff80000001"
+string(30) "              ffffffff80000001"
+
+-- Iteration 6 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+
+-- Iteration 7 --
+string(8) "7ffffff8"
+string(9) "7ffffff8x"
+string(8) "7ffffff8"
+string(9) " 7ffffff8"
+string(9) "7ffffff8 "
+string(9) "	7ffffff8"
+string(9) "
+7ffffff8"
+string(8) "7ffffff8"
+string(30) "                      7ffffff8"
+
+-- Iteration 8 --
+string(4) "123b"
+string(5) "123bx"
+string(4) "123b"
+string(5) " 123b"
+string(5) "123b "
+string(5) "	123b"
+string(5) "
+123b"
+string(4) "123b"
+string(30) "                          123b"
+
+-- Iteration 9 --
+string(4) "12ab"
+string(5) "12abx"
+string(4) "12ab"
+string(5) " 12ab"
+string(5) "12ab "
+string(5) "	12ab"
+string(5) "
+12ab"
+string(4) "12ab"
+string(30) "                          12ab"
+
+-- Iteration 10 --
+string(3) "fff"
+string(4) "fffx"
+string(3) "fff"
+string(4) " fff"
+string(4) "fff "
+string(4) "	fff"
+string(4) "
+fff"
+string(4) " fff"
+string(30) "                           fff"
+
+-- Iteration 11 --
+string(2) "fa"
+string(3) "fax"
+string(2) "fa"
+string(3) " fa"
+string(3) "fa "
+string(3) "	fa"
+string(3) "
+fa"
+string(4) "  fa"
+string(30) "                            fa"
+
+-- Iteration 12 --
+string(16) "ffffffff80000000"
+string(17) "ffffffff80000000x"
+string(16) "ffffffff80000000"
+string(17) " ffffffff80000000"
+string(17) "ffffffff80000000 "
+string(17) "	ffffffff80000000"
+string(17) "
+ffffffff80000000"
+string(16) "ffffffff80000000"
+string(30) "              ffffffff80000000"
+
+-- Iteration 13 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+
+-- Iteration 14 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+
+-- Iteration 15 --
+string(2) "53"
+string(3) "53x"
+string(2) "53"
+string(3) " 53"
+string(3) "53 "
+string(3) "	53"
+string(3) "
+53"
+string(4) "  53"
+string(30) "                            53"
+
+-- Iteration 16 --
+string(1) "1"
+string(2) "1x"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(16) "ffffffff80000000"
+string(17) "ffffffff80000000x"
+string(16) "ffffffff80000000"
+string(17) " ffffffff80000000"
+string(17) "ffffffff80000000 "
+string(17) "	ffffffff80000000"
+string(17) "
+ffffffff80000000"
+string(16) "ffffffff80000000"
+string(30) "              ffffffff80000000"
+
+-- Iteration 18 --
+string(8) "7fffffff"
+string(9) "7fffffffx"
+string(8) "7fffffff"
+string(9) " 7fffffff"
+string(9) "7fffffff "
+string(9) "	7fffffff"
+string(9) "
+7fffffff"
+string(8) "7fffffff"
+string(30) "                      7fffffff"
+Done
diff --git a/tests/std/strings/sprintf_variation4.phpt b/tests/std/strings/sprintf_variation4.phpt
new file mode 100644
index 00000000..285dd9a2
--- /dev/null
+++ b/tests/std/strings/sprintf_variation4.phpt
@@ -0,0 +1,24 @@
+--TEST--
+sprintf %u With signed integer 32bit
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+    die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+
+/* example#5: various examples */
+$n =  43951789;
+$u = -43951789;
+
+// notice the double %%, this prints a literal '%' character
+var_dump(sprintf("%%u = '%u'", $n)); // unsigned integer representation of a positive integer
+var_dump(sprintf("%%u = '%u'", $u)); // unsigned integer representation of a negative integer
+
+?>
+--EXPECT--
+string(15) "%u = '43951789'"
+string(17) "%u = '4251015507'"
+
diff --git a/tests/std/strings/sprintf_variation40.phpt b/tests/std/strings/sprintf_variation40.phpt
new file mode 100644
index 00000000..3bec553d
--- /dev/null
+++ b/tests/std/strings/sprintf_variation40.phpt
@@ -0,0 +1,254 @@
+--TEST--
+Test sprintf() function : usage variations - unsigned formats with integer values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+        die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : unsigned formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  +2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of unsigned formats
+$unsigned_formats = array(
+  "%u", "%lu", " %u", "%u ",
+  "\t%u", "\n%u", "%4u", "%30u",
+);
+
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($unsigned_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : unsigned formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(10) "4294967295"
+string(10) "4294967295"
+string(11) " 4294967295"
+string(11) "4294967295 "
+string(11) "	4294967295"
+string(11) "
+4294967295"
+string(10) "4294967295"
+string(30) "                    4294967295"
+
+-- Iteration 4 --
+string(10) "2147483648"
+string(10) "2147483648"
+string(11) " 2147483648"
+string(11) "2147483648 "
+string(11) "	2147483648"
+string(11) "
+2147483648"
+string(10) "2147483648"
+string(30) "                    2147483648"
+
+-- Iteration 5 --
+string(10) "2147483649"
+string(10) "2147483649"
+string(11) " 2147483649"
+string(11) "2147483649 "
+string(11) "	2147483649"
+string(11) "
+2147483649"
+string(10) "2147483649"
+string(30) "                    2147483649"
+
+-- Iteration 6 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 7 --
+string(10) "2147483640"
+string(10) "2147483640"
+string(11) " 2147483640"
+string(11) "2147483640 "
+string(11) "	2147483640"
+string(11) "
+2147483640"
+string(10) "2147483640"
+string(30) "                    2147483640"
+
+-- Iteration 8 --
+string(4) "4667"
+string(4) "4667"
+string(5) " 4667"
+string(5) "4667 "
+string(5) "	4667"
+string(5) "
+4667"
+string(4) "4667"
+string(30) "                          4667"
+
+-- Iteration 9 --
+string(4) "4779"
+string(4) "4779"
+string(5) " 4779"
+string(5) "4779 "
+string(5) "	4779"
+string(5) "
+4779"
+string(4) "4779"
+string(30) "                          4779"
+
+-- Iteration 10 --
+string(4) "4095"
+string(4) "4095"
+string(5) " 4095"
+string(5) "4095 "
+string(5) "	4095"
+string(5) "
+4095"
+string(4) "4095"
+string(30) "                          4095"
+
+-- Iteration 11 --
+string(3) "250"
+string(3) "250"
+string(4) " 250"
+string(4) "250 "
+string(4) "	250"
+string(4) "
+250"
+string(4) " 250"
+string(30) "                           250"
+
+-- Iteration 12 --
+string(10) "2147483648"
+string(10) "2147483648"
+string(11) " 2147483648"
+string(11) "2147483648 "
+string(11) "	2147483648"
+string(11) "
+2147483648"
+string(10) "2147483648"
+string(30) "                    2147483648"
+
+-- Iteration 13 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 14 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 15 --
+string(2) "83"
+string(2) "83"
+string(3) " 83"
+string(3) "83 "
+string(3) "	83"
+string(3) "
+83"
+string(4) "  83"
+string(30) "                            83"
+
+-- Iteration 16 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(10) "2147483648"
+string(10) "2147483648"
+string(11) " 2147483648"
+string(11) "2147483648 "
+string(11) "	2147483648"
+string(11) "
+2147483648"
+string(10) "2147483648"
+string(30) "                    2147483648"
+
+-- Iteration 18 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+Done
diff --git a/tests/std/strings/sprintf_variation40_64bit.phpt b/tests/std/strings/sprintf_variation40_64bit.phpt
new file mode 100644
index 00000000..da9b6949
--- /dev/null
+++ b/tests/std/strings/sprintf_variation40_64bit.phpt
@@ -0,0 +1,250 @@
+--TEST--
+Test sprintf() function : usage variations - unsigned formats with integer values
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : unsigned formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  +2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of unsigned formats
+$unsigned_formats = array(
+  "%u", "%lu", " %u", "%u ",
+  "\t%u", "\n%u", "%4u", "%30u",
+);
+
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($unsigned_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : unsigned formats with integer values ***
+
+-- Iteration 1 --
+string(1) "0"
+string(1) "0"
+string(2) " 0"
+string(2) "0 "
+string(2) "	0"
+string(2) "
+0"
+string(4) "   0"
+string(30) "                             0"
+
+-- Iteration 2 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 3 --
+string(20) "18446744073709551615"
+string(20) "18446744073709551615"
+string(21) " 18446744073709551615"
+string(21) "18446744073709551615 "
+string(21) "	18446744073709551615"
+string(21) "
+18446744073709551615"
+string(20) "18446744073709551615"
+string(30) "          18446744073709551615"
+
+-- Iteration 4 --
+string(20) "18446744071562067968"
+string(20) "18446744071562067968"
+string(21) " 18446744071562067968"
+string(21) "18446744071562067968 "
+string(21) "	18446744071562067968"
+string(21) "
+18446744071562067968"
+string(20) "18446744071562067968"
+string(30) "          18446744071562067968"
+
+-- Iteration 5 --
+string(20) "18446744071562067969"
+string(20) "18446744071562067969"
+string(21) " 18446744071562067969"
+string(21) "18446744071562067969 "
+string(21) "	18446744071562067969"
+string(21) "
+18446744071562067969"
+string(20) "18446744071562067969"
+string(30) "          18446744071562067969"
+
+-- Iteration 6 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 7 --
+string(10) "2147483640"
+string(10) "2147483640"
+string(11) " 2147483640"
+string(11) "2147483640 "
+string(11) "	2147483640"
+string(11) "
+2147483640"
+string(10) "2147483640"
+string(30) "                    2147483640"
+
+-- Iteration 8 --
+string(4) "4667"
+string(4) "4667"
+string(5) " 4667"
+string(5) "4667 "
+string(5) "	4667"
+string(5) "
+4667"
+string(4) "4667"
+string(30) "                          4667"
+
+-- Iteration 9 --
+string(4) "4779"
+string(4) "4779"
+string(5) " 4779"
+string(5) "4779 "
+string(5) "	4779"
+string(5) "
+4779"
+string(4) "4779"
+string(30) "                          4779"
+
+-- Iteration 10 --
+string(4) "4095"
+string(4) "4095"
+string(5) " 4095"
+string(5) "4095 "
+string(5) "	4095"
+string(5) "
+4095"
+string(4) "4095"
+string(30) "                          4095"
+
+-- Iteration 11 --
+string(3) "250"
+string(3) "250"
+string(4) " 250"
+string(4) "250 "
+string(4) "	250"
+string(4) "
+250"
+string(4) " 250"
+string(30) "                           250"
+
+-- Iteration 12 --
+string(20) "18446744071562067968"
+string(20) "18446744071562067968"
+string(21) " 18446744071562067968"
+string(21) "18446744071562067968 "
+string(21) "	18446744071562067968"
+string(21) "
+18446744071562067968"
+string(20) "18446744071562067968"
+string(30) "          18446744071562067968"
+
+-- Iteration 13 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 14 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+
+-- Iteration 15 --
+string(2) "83"
+string(2) "83"
+string(3) " 83"
+string(3) "83 "
+string(3) "	83"
+string(3) "
+83"
+string(4) "  83"
+string(30) "                            83"
+
+-- Iteration 16 --
+string(1) "1"
+string(1) "1"
+string(2) " 1"
+string(2) "1 "
+string(2) "	1"
+string(2) "
+1"
+string(4) "   1"
+string(30) "                             1"
+
+-- Iteration 17 --
+string(20) "18446744071562067968"
+string(20) "18446744071562067968"
+string(21) " 18446744071562067968"
+string(21) "18446744071562067968 "
+string(21) "	18446744071562067968"
+string(21) "
+18446744071562067968"
+string(20) "18446744071562067968"
+string(30) "          18446744071562067968"
+
+-- Iteration 18 --
+string(10) "2147483647"
+string(10) "2147483647"
+string(11) " 2147483647"
+string(11) "2147483647 "
+string(11) "	2147483647"
+string(11) "
+2147483647"
+string(10) "2147483647"
+string(30) "                    2147483647"
+Done
diff --git a/tests/std/strings/sprintf_variation46.phpt b/tests/std/strings/sprintf_variation46.phpt
new file mode 100644
index 00000000..aafea5c5
--- /dev/null
+++ b/tests/std/strings/sprintf_variation46.phpt
@@ -0,0 +1,247 @@
+--TEST--
+Test sprintf() function : usage variations - scientific formats with integer values
+--FILE--
+<?php
+echo "*** Testing sprintf() : scientific formats with integer values ***\n";
+
+// array of integer values
+$integer_values = array(
+  0,
+  1,
+  -1,
+  -2147483648, // max negative integer value
+  -2147483647,
+  2147483647,  // max positive integer value
+  2147483640,
+  0x123B,      // integer as hexadecimal
+  0x12ab,
+  0Xfff,
+  0XFA,
+  -0x80000000, // max negative integer as hexadecimal
+  0x7fffffff,  // max positive integer as hexadecimal
+  0x7FFFFFFF,  // max positive integer as hexadecimal
+  0123,        // integer as octal
+  01,       // should be quivalent to octal 1
+  -020000000000, // max negative integer as octal
+  017777777777  // max positive integer as octal
+);
+
+// array of scientific formats
+$scientific_formats = array(
+  "%e", "%le", " %e", "%e ",
+  "\t%e", "\n%e", "%4e", "%30e",
+);
+
+$count = 1;
+foreach($integer_values as $integer_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($scientific_formats as $format) {
+    var_dump( sprintf($format, $integer_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : scientific formats with integer values ***
+
+-- Iteration 1 --
+string(11) "0.000000e+0"
+string(11) "0.000000e+0"
+string(12) " 0.000000e+0"
+string(12) "0.000000e+0 "
+string(12) "	0.000000e+0"
+string(12) "
+0.000000e+0"
+string(11) "0.000000e+0"
+string(30) "                   0.000000e+0"
+
+-- Iteration 2 --
+string(11) "1.000000e+0"
+string(11) "1.000000e+0"
+string(12) " 1.000000e+0"
+string(12) "1.000000e+0 "
+string(12) "	1.000000e+0"
+string(12) "
+1.000000e+0"
+string(11) "1.000000e+0"
+string(30) "                   1.000000e+0"
+
+-- Iteration 3 --
+string(12) "-1.000000e+0"
+string(12) "-1.000000e+0"
+string(13) " -1.000000e+0"
+string(13) "-1.000000e+0 "
+string(13) "	-1.000000e+0"
+string(13) "
+-1.000000e+0"
+string(12) "-1.000000e+0"
+string(30) "                  -1.000000e+0"
+
+-- Iteration 4 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 5 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 6 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+
+-- Iteration 7 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+
+-- Iteration 8 --
+string(11) "4.667000e+3"
+string(11) "4.667000e+3"
+string(12) " 4.667000e+3"
+string(12) "4.667000e+3 "
+string(12) "	4.667000e+3"
+string(12) "
+4.667000e+3"
+string(11) "4.667000e+3"
+string(30) "                   4.667000e+3"
+
+-- Iteration 9 --
+string(11) "4.779000e+3"
+string(11) "4.779000e+3"
+string(12) " 4.779000e+3"
+string(12) "4.779000e+3 "
+string(12) "	4.779000e+3"
+string(12) "
+4.779000e+3"
+string(11) "4.779000e+3"
+string(30) "                   4.779000e+3"
+
+-- Iteration 10 --
+string(11) "4.095000e+3"
+string(11) "4.095000e+3"
+string(12) " 4.095000e+3"
+string(12) "4.095000e+3 "
+string(12) "	4.095000e+3"
+string(12) "
+4.095000e+3"
+string(11) "4.095000e+3"
+string(30) "                   4.095000e+3"
+
+-- Iteration 11 --
+string(11) "2.500000e+2"
+string(11) "2.500000e+2"
+string(12) " 2.500000e+2"
+string(12) "2.500000e+2 "
+string(12) "	2.500000e+2"
+string(12) "
+2.500000e+2"
+string(11) "2.500000e+2"
+string(30) "                   2.500000e+2"
+
+-- Iteration 12 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 13 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+
+-- Iteration 14 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+
+-- Iteration 15 --
+string(11) "8.300000e+1"
+string(11) "8.300000e+1"
+string(12) " 8.300000e+1"
+string(12) "8.300000e+1 "
+string(12) "	8.300000e+1"
+string(12) "
+8.300000e+1"
+string(11) "8.300000e+1"
+string(30) "                   8.300000e+1"
+
+-- Iteration 16 --
+string(11) "1.000000e+0"
+string(11) "1.000000e+0"
+string(12) " 1.000000e+0"
+string(12) "1.000000e+0 "
+string(12) "	1.000000e+0"
+string(12) "
+1.000000e+0"
+string(11) "1.000000e+0"
+string(30) "                   1.000000e+0"
+
+-- Iteration 17 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 18 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+Done
diff --git a/tests/std/strings/sprintf_variation47.phpt b/tests/std/strings/sprintf_variation47.phpt
new file mode 100644
index 00000000..8b29c9f5
--- /dev/null
+++ b/tests/std/strings/sprintf_variation47.phpt
@@ -0,0 +1,264 @@
+--TEST--
+Test sprintf() function : usage variations - scientific formats with float values
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : scientific formats with float values ***\n";
+
+// array of float values
+$float_values = array(
+  -2147483649,
+  2147483648,
+  -0x80000001, // float value, beyond max negative int
+  0x800000001, // float value, beyond max positive int
+  020000000001, // float value, beyond max positive int
+  -020000000001, // float value, beyond max negative int
+  0.0,
+  -0.1,
+  1.0,
+  1e5,
+  -1e5,
+  -1e5,
+  +1e5,
+  1e+5,
+  -1e-5,
+  1E8,
+  -1E9,
+  10.0000000000000000005,
+  10.5e+5
+);
+
+// array of scientific formats
+$scientific_formats = array(
+  "%e", "%le", " %e", "%e ",
+  "\t%e", "\n%e", "%4e", "%30e",
+);
+
+
+$count = 1;
+foreach($float_values as $float_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($scientific_formats as $format) {
+    var_dump( sprintf($format, $float_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : scientific formats with float values ***
+
+-- Iteration 1 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 2 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+
+-- Iteration 3 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 4 --
+string(12) "3.435974e+10"
+string(12) "3.435974e+10"
+string(13) " 3.435974e+10"
+string(13) "3.435974e+10 "
+string(13) "	3.435974e+10"
+string(13) "
+3.435974e+10"
+string(12) "3.435974e+10"
+string(30) "                  3.435974e+10"
+
+-- Iteration 5 --
+string(11) "2.147484e+9"
+string(11) "2.147484e+9"
+string(12) " 2.147484e+9"
+string(12) "2.147484e+9 "
+string(12) "	2.147484e+9"
+string(12) "
+2.147484e+9"
+string(11) "2.147484e+9"
+string(30) "                   2.147484e+9"
+
+-- Iteration 6 --
+string(12) "-2.147484e+9"
+string(12) "-2.147484e+9"
+string(13) " -2.147484e+9"
+string(13) "-2.147484e+9 "
+string(13) "	-2.147484e+9"
+string(13) "
+-2.147484e+9"
+string(12) "-2.147484e+9"
+string(30) "                  -2.147484e+9"
+
+-- Iteration 7 --
+string(11) "0.000000e+0"
+string(11) "0.000000e+0"
+string(12) " 0.000000e+0"
+string(12) "0.000000e+0 "
+string(12) "	0.000000e+0"
+string(12) "
+0.000000e+0"
+string(11) "0.000000e+0"
+string(30) "                   0.000000e+0"
+
+-- Iteration 8 --
+string(12) "-1.000000e-1"
+string(12) "-1.000000e-1"
+string(13) " -1.000000e-1"
+string(13) "-1.000000e-1 "
+string(13) "	-1.000000e-1"
+string(13) "
+-1.000000e-1"
+string(12) "-1.000000e-1"
+string(30) "                  -1.000000e-1"
+
+-- Iteration 9 --
+string(11) "1.000000e+0"
+string(11) "1.000000e+0"
+string(12) " 1.000000e+0"
+string(12) "1.000000e+0 "
+string(12) "	1.000000e+0"
+string(12) "
+1.000000e+0"
+string(11) "1.000000e+0"
+string(30) "                   1.000000e+0"
+
+-- Iteration 10 --
+string(11) "1.000000e+5"
+string(11) "1.000000e+5"
+string(12) " 1.000000e+5"
+string(12) "1.000000e+5 "
+string(12) "	1.000000e+5"
+string(12) "
+1.000000e+5"
+string(11) "1.000000e+5"
+string(30) "                   1.000000e+5"
+
+-- Iteration 11 --
+string(12) "-1.000000e+5"
+string(12) "-1.000000e+5"
+string(13) " -1.000000e+5"
+string(13) "-1.000000e+5 "
+string(13) "	-1.000000e+5"
+string(13) "
+-1.000000e+5"
+string(12) "-1.000000e+5"
+string(30) "                  -1.000000e+5"
+
+-- Iteration 12 --
+string(12) "-1.000000e+5"
+string(12) "-1.000000e+5"
+string(13) " -1.000000e+5"
+string(13) "-1.000000e+5 "
+string(13) "	-1.000000e+5"
+string(13) "
+-1.000000e+5"
+string(12) "-1.000000e+5"
+string(30) "                  -1.000000e+5"
+
+-- Iteration 13 --
+string(11) "1.000000e+5"
+string(11) "1.000000e+5"
+string(12) " 1.000000e+5"
+string(12) "1.000000e+5 "
+string(12) "	1.000000e+5"
+string(12) "
+1.000000e+5"
+string(11) "1.000000e+5"
+string(30) "                   1.000000e+5"
+
+-- Iteration 14 --
+string(11) "1.000000e+5"
+string(11) "1.000000e+5"
+string(12) " 1.000000e+5"
+string(12) "1.000000e+5 "
+string(12) "	1.000000e+5"
+string(12) "
+1.000000e+5"
+string(11) "1.000000e+5"
+string(30) "                   1.000000e+5"
+
+-- Iteration 15 --
+string(12) "-1.000000e-5"
+string(12) "-1.000000e-5"
+string(13) " -1.000000e-5"
+string(13) "-1.000000e-5 "
+string(13) "	-1.000000e-5"
+string(13) "
+-1.000000e-5"
+string(12) "-1.000000e-5"
+string(30) "                  -1.000000e-5"
+
+-- Iteration 16 --
+string(11) "1.000000e+8"
+string(11) "1.000000e+8"
+string(12) " 1.000000e+8"
+string(12) "1.000000e+8 "
+string(12) "	1.000000e+8"
+string(12) "
+1.000000e+8"
+string(11) "1.000000e+8"
+string(30) "                   1.000000e+8"
+
+-- Iteration 17 --
+string(12) "-1.000000e+9"
+string(12) "-1.000000e+9"
+string(13) " -1.000000e+9"
+string(13) "-1.000000e+9 "
+string(13) "	-1.000000e+9"
+string(13) "
+-1.000000e+9"
+string(12) "-1.000000e+9"
+string(30) "                  -1.000000e+9"
+
+-- Iteration 18 --
+string(11) "1.000000e+1"
+string(11) "1.000000e+1"
+string(12) " 1.000000e+1"
+string(12) "1.000000e+1 "
+string(12) "	1.000000e+1"
+string(12) "
+1.000000e+1"
+string(11) "1.000000e+1"
+string(30) "                   1.000000e+1"
+
+-- Iteration 19 --
+string(11) "1.050000e+6"
+string(11) "1.050000e+6"
+string(12) " 1.050000e+6"
+string(12) "1.050000e+6 "
+string(12) "	1.050000e+6"
+string(12) "
+1.050000e+6"
+string(11) "1.050000e+6"
+string(30) "                   1.050000e+6"
+Done
diff --git a/tests/std/strings/sprintf_variation4_64bit.phpt b/tests/std/strings/sprintf_variation4_64bit.phpt
new file mode 100644
index 00000000..57d99316
--- /dev/null
+++ b/tests/std/strings/sprintf_variation4_64bit.phpt
@@ -0,0 +1,24 @@
+--TEST--
+sprintf %u With signed integer 32bit
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) {
+    die("skip this test is for 64bit platform only");
+}
+?>
+--FILE--
+<?php
+
+/* example#5: various examples */
+$n =  43951789;
+$u = -43951789;
+
+// notice the double %%, this prints a literal '%' character
+var_dump(sprintf("%%u = '%u'", $n)); // unsigned integer representation of a positive integer
+var_dump(sprintf("%%u = '%u'", $u)); // unsigned integer representation of a negative integer
+
+?>
+--EXPECT--
+string(15) "%u = '43951789'"
+string(27) "%u = '18446744073665599827'"
+
diff --git a/tests/std/strings/sprintf_variation5.phpt b/tests/std/strings/sprintf_variation5.phpt
new file mode 100644
index 00000000..5a862fe3
--- /dev/null
+++ b/tests/std/strings/sprintf_variation5.phpt
@@ -0,0 +1,37 @@
+--TEST--
+sprintf With signed integer
+--FILE--
+<?php
+
+/* example#5: various examples */
+$n =  43951789;
+$u = -43951789;
+$c = 65; // ASCII 65 is 'A'
+
+// notice the double %%, this prints a literal '%' character
+var_dump(sprintf("%%b = '%b'", $n)); // binary representation
+var_dump(sprintf("%%c = '%c'", $c)); // print the ascii character, same as chr() function
+var_dump(sprintf("%%d = '%d'", $n)); // standard integer representation
+var_dump(sprintf("%%e = '%e'", $n)); // scientific notation
+var_dump(sprintf("%%f = '%f'", $n)); // floating point representation
+var_dump(sprintf("%%o = '%o'", $n)); // octal representation
+var_dump(sprintf("%%s = '%s'", $n)); // string representation
+var_dump(sprintf("%%x = '%x'", $n)); // hexadecimal representation (lower-case)
+var_dump(sprintf("%%X = '%X'", $n)); // hexadecimal representation (upper-case)
+
+var_dump(sprintf("%%+d = '%+d'", $n)); // sign specifier on a positive integer
+var_dump(sprintf("%%+d = '%+d'", $u)); // sign specifier on a negative integer
+
+?>
+--EXPECT--
+string(33) "%b = '10100111101010011010101101'"
+string(8) "%c = 'A'"
+string(15) "%d = '43951789'"
+string(18) "%e = '4.395179e+7'"
+string(22) "%f = '43951789.000000'"
+string(16) "%o = '247523255'"
+string(15) "%s = '43951789'"
+string(14) "%x = '29ea6ad'"
+string(14) "%X = '29EA6AD'"
+string(17) "%+d = '+43951789'"
+string(17) "%+d = '-43951789'"
diff --git a/tests/std/strings/sprintf_variation52.phpt b/tests/std/strings/sprintf_variation52.phpt
new file mode 100644
index 00000000..d141bae7
--- /dev/null
+++ b/tests/std/strings/sprintf_variation52.phpt
@@ -0,0 +1,68 @@
+--TEST--
+Test sprintf() function : usage variations - typical format strings
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : with  typical format strings ***\n";
+
+// initialising required variables
+$tempnum = 12345;
+$tempstring = "abcdefghjklmnpqrstuvwxyz";
+
+echo"\n-- Testing for '%%%.2f' as the format parameter --\n";
+var_dump(sprintf("%%%.2f", 1.23456789e10));
+
+echo"\n-- Testing for '%%' as the format parameter --\n";
+var_dump(sprintf("%%", 1.23456789e10));
+
+echo"\n-- Testing for precision value more than maximum --\n";
+var_dump(sprintf("%.988f", 1.23456789e10));
+
+echo"\n-- Testing for invalid width(-15) specifier --\n";
+try {
+    var_dump(sprintf("%030.-15s", $tempstring));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+echo"\n-- Testing for '%X' as the format parameter --\n";
+var_dump(sprintf("%X", 12));
+
+echo"\n-- Testing for multiple format parameters --\n";
+var_dump(sprintf("%d  %s  %d\n", $tempnum, $tempstring, $tempnum));
+
+echo"\n-- Testing for excess of mixed type arguments  --\n";
+var_dump(sprintf("%s", $tempstring, $tempstring, $tempstring));
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing sprintf() : with  typical format strings ***
+
+-- Testing for '%%%.2f' as the format parameter --
+string(15) "%12345678900.00"
+
+-- Testing for '%%' as the format parameter --
+string(1) "%"
+
+-- Testing for precision value more than maximum --
+
+Notice: sprintf(): Requested precision of 988 digits was truncated to PHP maximum of %d digits in %s on line %d
+string(65) "12345678900.00000000000000000000000000000000000000000000000000000"
+
+-- Testing for invalid width(-15) specifier --
+Unknown format specifier "-"
+
+-- Testing for '%X' as the format parameter --
+string(1) "C"
+
+-- Testing for multiple format parameters --
+string(39) "12345  abcdefghjklmnpqrstuvwxyz  12345
+"
+
+-- Testing for excess of mixed type arguments  --
+string(24) "abcdefghjklmnpqrstuvwxyz"
+Done
diff --git a/tests/std/strings/sprintf_variation53.phpt b/tests/std/strings/sprintf_variation53.phpt
new file mode 100644
index 00000000..26f84a50
--- /dev/null
+++ b/tests/std/strings/sprintf_variation53.phpt
@@ -0,0 +1,65 @@
+--TEST--
+Test sprintf() function : usage variations - with whitespaces in format strings
+--FILE--
+<?php
+echo "*** Testing sprintf() : with  white spaces in format strings ***\n";
+
+// initializing the format array
+$formats = array(
+  "% d", "%  d", "%   d",
+  "% f", "%  f", "%   f",
+  "% F", "%  F", "%   F",
+  "% b", "%  b", "%   b",
+  "% c", "%  c", "%   c",
+  "% e", "%  e", "%   e",
+  "% u", "%  u", "%   u",
+  "% o", "%  o", "%   o",
+  "% x", "%  x", "%   x",
+  "% X", "%  X", "%   X",
+  "% E", "%  E", "%   E"
+);
+
+// initializing the args array
+
+foreach($formats as $format) {
+  var_dump( sprintf($format, 1234) );
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : with  white spaces in format strings ***
+string(4) "1234"
+string(4) "1234"
+string(4) "1234"
+string(11) "1234.000000"
+string(11) "1234.000000"
+string(11) "1234.000000"
+string(11) "1234.000000"
+string(11) "1234.000000"
+string(11) "1234.000000"
+string(11) "10011010010"
+string(11) "10011010010"
+string(11) "10011010010"
+string(1) "Ò"
+string(1) "Ò"
+string(1) "Ò"
+string(11) "1.234000e+3"
+string(11) "1.234000e+3"
+string(11) "1.234000e+3"
+string(4) "1234"
+string(4) "1234"
+string(4) "1234"
+string(4) "2322"
+string(4) "2322"
+string(4) "2322"
+string(3) "4d2"
+string(3) "4d2"
+string(3) "4d2"
+string(3) "4D2"
+string(3) "4D2"
+string(3) "4D2"
+string(11) "1.234000E+3"
+string(11) "1.234000E+3"
+string(11) "1.234000E+3"
+Done
diff --git a/tests/std/strings/sprintf_variation54.phpt b/tests/std/strings/sprintf_variation54.phpt
new file mode 100644
index 00000000..e925293c
--- /dev/null
+++ b/tests/std/strings/sprintf_variation54.phpt
@@ -0,0 +1,215 @@
+--TEST--
+sprintf() formats with different types
+--FILE--
+<?php
+
+$formats = ['s', 'd', 'u', 'f', 'c', 'x'];
+$values = [null, false, true, 2, 3.5, "foo", [], [1], fopen(__FILE__, "r"), new stdClass];
+
+foreach ($formats as $format) {
+    foreach ($values as $value) {
+        echo "$format with " . (is_resource($value) ? "resource" : json_encode($value)) . ":\n";
+        try {
+            echo sprintf("%" . $format, $value), "\n";
+        } catch (Error $e) {
+            echo $e->getMessage(), "\n";
+        }
+        echo "\n";
+    }
+}
+
+?>
+--EXPECTF--
+%s with null:
+
+
+%s with false:
+
+
+%s with true:
+1
+
+%s with 2:
+2
+
+s with 3.5:
+3.5
+
+%s with "foo":
+foo
+
+%s with []:
+
+Warning: Array to string conversion in %s on line %d
+Array
+
+%s with [1]:
+
+Warning: Array to string conversion in %s on line %d
+Array
+
+%s with resource:
+Resource id #%d
+
+%s with {}:
+Object of class stdClass could not be converted to string
+
+d with null:
+0
+
+d with false:
+0
+
+d with true:
+1
+
+d with 2:
+2
+
+d with 3.5:
+3
+
+d with "foo":
+0
+
+d with []:
+0
+
+d with [1]:
+1
+
+d with resource:
+%d
+
+d with {}:
+
+Warning: Object of class stdClass could not be converted to int in %s on line %d
+1
+
+u with null:
+0
+
+u with false:
+0
+
+u with true:
+1
+
+u with 2:
+2
+
+u with 3.5:
+3
+
+u with "foo":
+0
+
+u with []:
+0
+
+u with [1]:
+1
+
+u with resource:
+%d
+
+u with {}:
+
+Warning: Object of class stdClass could not be converted to int in %s on line %d
+1
+
+f with null:
+0.000000
+
+f with false:
+0.000000
+
+f with true:
+1.000000
+
+f with 2:
+2.000000
+
+f with 3.5:
+3.500000
+
+f with "foo":
+0.000000
+
+f with []:
+0.000000
+
+f with [1]:
+1.000000
+
+f with resource:
+%d.000000
+
+f with {}:
+
+Warning: Object of class stdClass could not be converted to float in %s on line %d
+1.000000
+
+c with null:
+%0
+
+c with false:
+%0
+
+c with true:
+

+
+c with 2:
+
+
+c with 3.5:
+
+
+c with "foo":
+%0
+
+c with []:
+%0
+
+c with [1]:
+

+
+c with resource:
+%s
+
+c with {}:
+
+Warning: Object of class stdClass could not be converted to int in %s on line %d
+

+
+x with null:
+0
+
+x with false:
+0
+
+x with true:
+1
+
+x with 2:
+2
+
+x with 3.5:
+3
+
+x with "foo":
+0
+
+x with []:
+0
+
+x with [1]:
+1
+
+x with resource:
+%d
+
+x with {}:
+
+Warning: Object of class stdClass could not be converted to int in %s on line %d
+1
diff --git a/tests/std/strings/sprintf_variation9.phpt b/tests/std/strings/sprintf_variation9.phpt
new file mode 100644
index 00000000..c367c438
--- /dev/null
+++ b/tests/std/strings/sprintf_variation9.phpt
@@ -0,0 +1,396 @@
+--TEST--
+Test sprintf() function : usage variations - float formats with float values
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+echo "*** Testing sprintf() : float formats with float values ***\n";
+
+// array of float type values
+
+$float_values = array (
+-2147483649, // float value
+  2147483648,  // float value
+  -0x80000001, // float value, beyond max negative int
+  0x800000001, // float value, beyond max positive int
+  020000000001, // float value, beyond max positive int
+  -020000000001, // float value, beyond max negative int
+  0.0,
+  -0.1,
+  10.0000000000000000005,
+  10.5e+5,
+  1e5,
+  -1e5,
+  1e-5,
+  -1e-5,
+  1e+5,
+  -1e+5,
+  1E5,
+  -1E5,
+  1E+5,
+  -1E+5,
+  1E-5,
+  -1E-5,
+  .5e+7,
+  -.5e+7,
+  .6e-19,
+  -.6e-19,
+  .05E+44,
+  -.05E+44,
+  .0034E-30,
+  -.0034E-30
+);
+
+// various float formats
+$float_formats = array(
+  "%f", "%lf", " %f", "%f ",
+  "\t%f", "\n%f", "%4f", "%30f",
+);
+
+$count = 1;
+foreach($float_values as $float_value) {
+  echo "\n-- Iteration $count --\n";
+
+  foreach($float_formats as $format) {
+    var_dump( sprintf($format, $float_value) );
+  }
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing sprintf() : float formats with float values ***
+
+-- Iteration 1 --
+string(18) "-2147483649.000000"
+string(18) "-2147483649.000000"
+string(19) " -2147483649.000000"
+string(19) "-2147483649.000000 "
+string(19) "	-2147483649.000000"
+string(19) "
+-2147483649.000000"
+string(18) "-2147483649.000000"
+string(30) "            -2147483649.000000"
+
+-- Iteration 2 --
+string(17) "2147483648.000000"
+string(17) "2147483648.000000"
+string(18) " 2147483648.000000"
+string(18) "2147483648.000000 "
+string(18) "	2147483648.000000"
+string(18) "
+2147483648.000000"
+string(17) "2147483648.000000"
+string(30) "             2147483648.000000"
+
+-- Iteration 3 --
+string(18) "-2147483649.000000"
+string(18) "-2147483649.000000"
+string(19) " -2147483649.000000"
+string(19) "-2147483649.000000 "
+string(19) "	-2147483649.000000"
+string(19) "
+-2147483649.000000"
+string(18) "-2147483649.000000"
+string(30) "            -2147483649.000000"
+
+-- Iteration 4 --
+string(18) "34359738369.000000"
+string(18) "34359738369.000000"
+string(19) " 34359738369.000000"
+string(19) "34359738369.000000 "
+string(19) "	34359738369.000000"
+string(19) "
+34359738369.000000"
+string(18) "34359738369.000000"
+string(30) "            34359738369.000000"
+
+-- Iteration 5 --
+string(17) "2147483649.000000"
+string(17) "2147483649.000000"
+string(18) " 2147483649.000000"
+string(18) "2147483649.000000 "
+string(18) "	2147483649.000000"
+string(18) "
+2147483649.000000"
+string(17) "2147483649.000000"
+string(30) "             2147483649.000000"
+
+-- Iteration 6 --
+string(18) "-2147483649.000000"
+string(18) "-2147483649.000000"
+string(19) " -2147483649.000000"
+string(19) "-2147483649.000000 "
+string(19) "	-2147483649.000000"
+string(19) "
+-2147483649.000000"
+string(18) "-2147483649.000000"
+string(30) "            -2147483649.000000"
+
+-- Iteration 7 --
+string(8) "0.000000"
+string(8) "0.000000"
+string(9) " 0.000000"
+string(9) "0.000000 "
+string(9) "	0.000000"
+string(9) "
+0.000000"
+string(8) "0.000000"
+string(30) "                      0.000000"
+
+-- Iteration 8 --
+string(9) "-0.100000"
+string(9) "-0.100000"
+string(10) " -0.100000"
+string(10) "-0.100000 "
+string(10) "	-0.100000"
+string(10) "
+-0.100000"
+string(9) "-0.100000"
+string(30) "                     -0.100000"
+
+-- Iteration 9 --
+string(9) "10.000000"
+string(9) "10.000000"
+string(10) " 10.000000"
+string(10) "10.000000 "
+string(10) "	10.000000"
+string(10) "
+10.000000"
+string(9) "10.000000"
+string(30) "                     10.000000"
+
+-- Iteration 10 --
+string(14) "1050000.000000"
+string(14) "1050000.000000"
+string(15) " 1050000.000000"
+string(15) "1050000.000000 "
+string(15) "	1050000.000000"
+string(15) "
+1050000.000000"
+string(14) "1050000.000000"
+string(30) "                1050000.000000"
+
+-- Iteration 11 --
+string(13) "100000.000000"
+string(13) "100000.000000"
+string(14) " 100000.000000"
+string(14) "100000.000000 "
+string(14) "	100000.000000"
+string(14) "
+100000.000000"
+string(13) "100000.000000"
+string(30) "                 100000.000000"
+
+-- Iteration 12 --
+string(14) "-100000.000000"
+string(14) "-100000.000000"
+string(15) " -100000.000000"
+string(15) "-100000.000000 "
+string(15) "	-100000.000000"
+string(15) "
+-100000.000000"
+string(14) "-100000.000000"
+string(30) "                -100000.000000"
+
+-- Iteration 13 --
+string(8) "0.000010"
+string(8) "0.000010"
+string(9) " 0.000010"
+string(9) "0.000010 "
+string(9) "	0.000010"
+string(9) "
+0.000010"
+string(8) "0.000010"
+string(30) "                      0.000010"
+
+-- Iteration 14 --
+string(9) "-0.000010"
+string(9) "-0.000010"
+string(10) " -0.000010"
+string(10) "-0.000010 "
+string(10) "	-0.000010"
+string(10) "
+-0.000010"
+string(9) "-0.000010"
+string(30) "                     -0.000010"
+
+-- Iteration 15 --
+string(13) "100000.000000"
+string(13) "100000.000000"
+string(14) " 100000.000000"
+string(14) "100000.000000 "
+string(14) "	100000.000000"
+string(14) "
+100000.000000"
+string(13) "100000.000000"
+string(30) "                 100000.000000"
+
+-- Iteration 16 --
+string(14) "-100000.000000"
+string(14) "-100000.000000"
+string(15) " -100000.000000"
+string(15) "-100000.000000 "
+string(15) "	-100000.000000"
+string(15) "
+-100000.000000"
+string(14) "-100000.000000"
+string(30) "                -100000.000000"
+
+-- Iteration 17 --
+string(13) "100000.000000"
+string(13) "100000.000000"
+string(14) " 100000.000000"
+string(14) "100000.000000 "
+string(14) "	100000.000000"
+string(14) "
+100000.000000"
+string(13) "100000.000000"
+string(30) "                 100000.000000"
+
+-- Iteration 18 --
+string(14) "-100000.000000"
+string(14) "-100000.000000"
+string(15) " -100000.000000"
+string(15) "-100000.000000 "
+string(15) "	-100000.000000"
+string(15) "
+-100000.000000"
+string(14) "-100000.000000"
+string(30) "                -100000.000000"
+
+-- Iteration 19 --
+string(13) "100000.000000"
+string(13) "100000.000000"
+string(14) " 100000.000000"
+string(14) "100000.000000 "
+string(14) "	100000.000000"
+string(14) "
+100000.000000"
+string(13) "100000.000000"
+string(30) "                 100000.000000"
+
+-- Iteration 20 --
+string(14) "-100000.000000"
+string(14) "-100000.000000"
+string(15) " -100000.000000"
+string(15) "-100000.000000 "
+string(15) "	-100000.000000"
+string(15) "
+-100000.000000"
+string(14) "-100000.000000"
+string(30) "                -100000.000000"
+
+-- Iteration 21 --
+string(8) "0.000010"
+string(8) "0.000010"
+string(9) " 0.000010"
+string(9) "0.000010 "
+string(9) "	0.000010"
+string(9) "
+0.000010"
+string(8) "0.000010"
+string(30) "                      0.000010"
+
+-- Iteration 22 --
+string(9) "-0.000010"
+string(9) "-0.000010"
+string(10) " -0.000010"
+string(10) "-0.000010 "
+string(10) "	-0.000010"
+string(10) "
+-0.000010"
+string(9) "-0.000010"
+string(30) "                     -0.000010"
+
+-- Iteration 23 --
+string(14) "5000000.000000"
+string(14) "5000000.000000"
+string(15) " 5000000.000000"
+string(15) "5000000.000000 "
+string(15) "	5000000.000000"
+string(15) "
+5000000.000000"
+string(14) "5000000.000000"
+string(30) "                5000000.000000"
+
+-- Iteration 24 --
+string(15) "-5000000.000000"
+string(15) "-5000000.000000"
+string(16) " -5000000.000000"
+string(16) "-5000000.000000 "
+string(16) "	-5000000.000000"
+string(16) "
+-5000000.000000"
+string(15) "-5000000.000000"
+string(30) "               -5000000.000000"
+
+-- Iteration 25 --
+string(8) "0.000000"
+string(8) "0.000000"
+string(9) " 0.000000"
+string(9) "0.000000 "
+string(9) "	0.000000"
+string(9) "
+0.000000"
+string(8) "0.000000"
+string(30) "                      0.000000"
+
+-- Iteration 26 --
+string(9) "-0.000000"
+string(9) "-0.000000"
+string(10) " -0.000000"
+string(10) "-0.000000 "
+string(10) "	-0.000000"
+string(10) "
+-0.000000"
+string(9) "-0.000000"
+string(30) "                     -0.000000"
+
+-- Iteration 27 --
+string(50) "5000000000000000069686058479707049565356032.000000"
+string(50) "5000000000000000069686058479707049565356032.000000"
+string(51) " 5000000000000000069686058479707049565356032.000000"
+string(51) "5000000000000000069686058479707049565356032.000000 "
+string(51) "	5000000000000000069686058479707049565356032.000000"
+string(51) "
+5000000000000000069686058479707049565356032.000000"
+string(50) "5000000000000000069686058479707049565356032.000000"
+string(50) "5000000000000000069686058479707049565356032.000000"
+
+-- Iteration 28 --
+string(51) "-5000000000000000069686058479707049565356032.000000"
+string(51) "-5000000000000000069686058479707049565356032.000000"
+string(52) " -5000000000000000069686058479707049565356032.000000"
+string(52) "-5000000000000000069686058479707049565356032.000000 "
+string(52) "	-5000000000000000069686058479707049565356032.000000"
+string(52) "
+-5000000000000000069686058479707049565356032.000000"
+string(51) "-5000000000000000069686058479707049565356032.000000"
+string(51) "-5000000000000000069686058479707049565356032.000000"
+
+-- Iteration 29 --
+string(8) "0.000000"
+string(8) "0.000000"
+string(9) " 0.000000"
+string(9) "0.000000 "
+string(9) "	0.000000"
+string(9) "
+0.000000"
+string(8) "0.000000"
+string(30) "                      0.000000"
+
+-- Iteration 30 --
+string(9) "-0.000000"
+string(9) "-0.000000"
+string(10) " -0.000000"
+string(10) "-0.000000 "
+string(10) "	-0.000000"
+string(10) "
+-0.000000"
+string(9) "-0.000000"
+string(30) "                     -0.000000"
+Done
diff --git a/tests/std/strings/sscanf_basic1.phpt b/tests/std/strings/sscanf_basic1.phpt
new file mode 100644
index 00000000..e2ba8ba1
--- /dev/null
+++ b/tests/std/strings/sscanf_basic1.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test sscanf() function : basic functionality - string format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * Testing sscanf() : basic functionality
+*/
+
+echo "*** Testing sscanf() : basic functionality - using string format ***\n";
+
+$str = "Part: Widget Serial Number: 1234789 Stock: 25";
+$format = "Part: %s Serial Number: %s Stock: %s";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($part, $number, $stock) = sscanf($str, $format);
+var_dump($part, $number, $stock);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format, $part, $number, $stock);
+var_dump($res, $part, $number, $stock);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality - using string format ***
+
+-- Try sccanf() WITHOUT optional args --
+string(6) "Widget"
+string(7) "1234789"
+string(2) "25"
+
+-- Try sccanf() WITH optional args --
+int(3)
+string(6) "Widget"
+string(7) "1234789"
+string(2) "25"
diff --git a/tests/std/strings/sscanf_basic2.phpt b/tests/std/strings/sscanf_basic2.phpt
new file mode 100644
index 00000000..7c206c68
--- /dev/null
+++ b/tests/std/strings/sscanf_basic2.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test sscanf() function : basic functionality - integer format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * Testing sscanf() : basic functionality
+*/
+
+echo "*** Testing sscanf() : basic functionality - using integer format ***\n";
+
+$str = "Part: Widget Serial Number: 1234789 Stock: 25";
+$format = "Part: %s Serial Number: %d Stock: %d";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($part, $number, $stock) = sscanf($str, $format);
+var_dump($part, $number, $stock);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format, $part, $number, $stock);
+var_dump($res, $part, $number, $stock);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality - using integer format ***
+
+-- Try sccanf() WITHOUT optional args --
+string(6) "Widget"
+int(1234789)
+int(25)
+
+-- Try sccanf() WITH optional args --
+int(3)
+string(6) "Widget"
+int(1234789)
+int(25)
diff --git a/tests/std/strings/sscanf_basic3.phpt b/tests/std/strings/sscanf_basic3.phpt
new file mode 100644
index 00000000..f20ef73b
--- /dev/null
+++ b/tests/std/strings/sscanf_basic3.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test sscanf() function : basic functionality - float format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : basic functionality -- using float format ***\n";
+
+$str = "Part: Widget Length: 111.53 Width: 22.345 Depth: 12.4";
+$format = "Part: %s Length: %f Width: %f Depth: %f";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($part, $length, $width, $depth) = sscanf($str, $format);
+var_dump($part, $length, $width, $depth);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format, $part, $length, $width, $depth);
+var_dump($res, $part, $length, $width, $depth);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality -- using float format ***
+
+-- Try sccanf() WITHOUT optional args --
+string(6) "Widget"
+float(111.53)
+float(22.345)
+float(12.4)
+
+-- Try sccanf() WITH optional args --
+int(4)
+string(6) "Widget"
+float(111.53)
+float(22.345)
+float(12.4)
diff --git a/tests/std/strings/sscanf_basic4.phpt b/tests/std/strings/sscanf_basic4.phpt
new file mode 100644
index 00000000..a4f06a6d
--- /dev/null
+++ b/tests/std/strings/sscanf_basic4.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test sscanf() function : basic functionality - char format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : basic functionality - using char format ***\n";
+
+$str = "X = A + B - C";
+$format = "%c = %c + %c - %c";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4) = sscanf($str, $format);
+var_dump($arg1, $arg2, $arg3, $arg4);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format, $arg1, $arg2, $arg3, $arg4);
+var_dump($res, $arg1, $arg2, $arg3, $arg4);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality - using char format ***
+
+-- Try sccanf() WITHOUT optional args --
+string(1) "X"
+string(1) "A"
+string(1) "B"
+string(1) "C"
+
+-- Try sccanf() WITH optional args --
+int(4)
+string(1) "X"
+string(1) "A"
+string(1) "B"
+string(1) "C"
diff --git a/tests/std/strings/sscanf_basic5.phpt b/tests/std/strings/sscanf_basic5.phpt
new file mode 100644
index 00000000..0738f8d6
--- /dev/null
+++ b/tests/std/strings/sscanf_basic5.phpt
@@ -0,0 +1,55 @@
+--TEST--
+Test sscanf() function : basic functionality - exponential format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : basic functionality -using exponential format ***\n";
+
+$str = "10.12345 10.12345E3 10.12345e3 -10.12345e4" ;
+$format1 = "%e %e %e %e";
+$format2 = "%E %E %E %E";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4) = sscanf($str, $format1);
+var_dump($arg1, $arg2, $arg3, $arg4);
+list($arg1, $arg2, $arg3, $arg4) = sscanf($str, $format2);
+var_dump($arg1, $arg2, $arg3, $arg4);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format1, $arg1, $arg2, $arg3, $arg4);
+var_dump($res, $arg1, $arg2, $arg3, $arg4);
+$res = sscanf($str, $format2,$arg1, $arg2, $arg3, $arg4);
+var_dump($res, $arg1, $arg2, $arg3, $arg4);
+
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality -using exponential format ***
+
+-- Try sccanf() WITHOUT optional args --
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+
+-- Try sccanf() WITH optional args --
+int(4)
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+int(4)
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
diff --git a/tests/std/strings/sscanf_basic6.phpt b/tests/std/strings/sscanf_basic6.phpt
new file mode 100644
index 00000000..5aec9c09
--- /dev/null
+++ b/tests/std/strings/sscanf_basic6.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test sscanf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+    die("skip this test is for 32bit platform only");
+}
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : basic functionality - using unsigned format ***\n";
+
+$str = "-11 +11 11 -11.234 +11.234 11.234";
+$format = "%u %u %u %u %u %u";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality - using unsigned format ***
+
+-- Try sccanf() WITHOUT optional args --
+string(10) "4294967285"
+int(11)
+int(11)
+string(10) "4294967285"
+NULL
+NULL
+
+-- Try sccanf() WITH optional args --
+int(4)
+string(10) "4294967285"
+int(11)
+int(11)
+string(10) "4294967285"
+NULL
+NULL
diff --git a/tests/std/strings/sscanf_basic7.phpt b/tests/std/strings/sscanf_basic7.phpt
new file mode 100644
index 00000000..357fec55
--- /dev/null
+++ b/tests/std/strings/sscanf_basic7.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test sscanf() function : basic functionality - octal format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : basic functionality - using octal format ***\n";
+
+$str = "0123 -0123 +0123 0129 -0129 +0129";
+$format = "%o %o %o %o %o %o";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality - using octal format ***
+
+-- Try sccanf() WITHOUT optional args --
+int(83)
+int(-83)
+int(83)
+int(10)
+NULL
+NULL
+
+-- Try sccanf() WITH optional args --
+int(4)
+int(83)
+int(-83)
+int(83)
+int(10)
+NULL
+NULL
diff --git a/tests/std/strings/sscanf_basic8.phpt b/tests/std/strings/sscanf_basic8.phpt
new file mode 100644
index 00000000..ecfc230a
--- /dev/null
+++ b/tests/std/strings/sscanf_basic8.phpt
@@ -0,0 +1,62 @@
+--TEST--
+Test sscanf() function : basic functionality - hexadecimal format
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : basic functionality - - using hexadecimal format ***\n";
+
+$str = "129 12F 123B -123B 01ABC 1G";
+$format1 = "%x %x %x %x %x %x";
+$format2 = "%X %X %X %X %X %X";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n";
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format1);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format2);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+echo "\n-- Try sccanf() WITH optional args --\n";
+// extract details using long  format
+$res = sscanf($str, $format1, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+$res = sscanf($str, $format2, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+?>
+--EXPECT--
+*** Testing sscanf() : basic functionality - - using hexadecimal format ***
+
+-- Try sccanf() WITHOUT optional args --
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+
+-- Try sccanf() WITH optional args --
+int(6)
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+int(6)
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
diff --git a/tests/std/strings/sscanf_error.phpt b/tests/std/strings/sscanf_error.phpt
new file mode 100644
index 00000000..8adc7a97
--- /dev/null
+++ b/tests/std/strings/sscanf_error.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test sscanf() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing sscanf() : error conditions ***\n";
+
+$str = "Hello World";
+$format = "%s %s";
+
+echo "\n-- Testing sscanf() function with more than expected no. of arguments --\n";
+
+try {
+    sscanf($str, $format, $str1, $str2, $extra_str);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+?>
+--EXPECT--
+*** Testing sscanf() : error conditions ***
+
+-- Testing sscanf() function with more than expected no. of arguments --
+Variable is not assigned by any conversion specifiers
diff --git a/tests/std/strings/str_contains.phpt b/tests/std/strings/str_contains.phpt
new file mode 100644
index 00000000..efca334f
--- /dev/null
+++ b/tests/std/strings/str_contains.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Test str_contains() function
+--FILE--
+<?php
+var_dump(str_contains("test string", "test"));
+var_dump(str_contains("test string", "string"));
+var_dump(str_contains("test string", "strin"));
+var_dump(str_contains("test string", "t s"));
+var_dump(str_contains("test string", "g"));
+var_dump(str_contains("te".chr(0)."st", chr(0)));
+var_dump(str_contains("tEst", "test"));
+var_dump(str_contains("teSt", "test"));
+var_dump(str_contains("", ""));
+var_dump(str_contains("a", ""));
+var_dump(str_contains("", "a"));
+var_dump(str_contains("\\\\a", "\\a"));
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(true)
+bool(false)
+bool(true)
diff --git a/tests/std/strings/str_decrement_basic.phpt b/tests/std/strings/str_decrement_basic.phpt
new file mode 100644
index 00000000..99663367
--- /dev/null
+++ b/tests/std/strings/str_decrement_basic.phpt
@@ -0,0 +1,82 @@
+--TEST--
+str_decrement(): Decrementing various strings
+--FILE--
+<?php
+
+$strictlyAlphaNumeric = [
+    "Az",
+    "aZ",
+    "A9",
+    "a9",
+    // Carrying values until the beginning of the string (no underflow)
+    "Za",
+    "zA",
+    "Z0",
+    "z0",
+    // Underflow, removing leading character
+    "Aa",
+    "aA",
+    "A0",
+    "a0",
+    "10",
+    "1A",
+    "1a",
+    "10a",
+    // string interpretable as a number in scientific notation
+    "5e6",
+    // Interned strings
+    "d",
+    "D",
+    "4",
+    "1",
+];
+
+foreach ($strictlyAlphaNumeric as $s) {
+    var_dump(str_decrement($s));
+    var_dump($s);
+}
+
+?>
+--EXPECT--
+string(2) "Ay"
+string(2) "Az"
+string(2) "aY"
+string(2) "aZ"
+string(2) "A8"
+string(2) "A9"
+string(2) "a8"
+string(2) "a9"
+string(2) "Yz"
+string(2) "Za"
+string(2) "yZ"
+string(2) "zA"
+string(2) "Y9"
+string(2) "Z0"
+string(2) "y9"
+string(2) "z0"
+string(1) "z"
+string(2) "Aa"
+string(1) "Z"
+string(2) "aA"
+string(1) "9"
+string(2) "A0"
+string(1) "9"
+string(2) "a0"
+string(1) "9"
+string(2) "10"
+string(1) "Z"
+string(2) "1A"
+string(1) "z"
+string(2) "1a"
+string(2) "9z"
+string(3) "10a"
+string(3) "5e5"
+string(3) "5e6"
+string(1) "c"
+string(1) "d"
+string(1) "C"
+string(1) "D"
+string(1) "3"
+string(1) "4"
+string(1) "0"
+string(1) "1"
diff --git a/tests/std/strings/str_decrement_errors.phpt b/tests/std/strings/str_decrement_errors.phpt
new file mode 100644
index 00000000..3186d24b
--- /dev/null
+++ b/tests/std/strings/str_decrement_errors.phpt
@@ -0,0 +1,53 @@
+--TEST--
+str_decrement(): Invalid strings to decrement should throw a ValueError
+--FILE--
+<?php
+
+$strings = [
+    // Empty string
+    "",
+    // String increments are unaware of being "negative"
+    "-cc",
+    // Trailing whitespace
+    "Z ",
+    // Leading whitespace
+    " Z",
+    // Non-ASCII characters
+    "é",
+    "�����",
+    "α",
+    "ω",
+    "Α", // Capital alpha
+    "Ω",
+    // With period
+    "foo1.txt",
+    "1f.5",
+    // With multiple period
+    "foo.1.txt",
+    "1.f.5",
+];
+
+foreach ($strings as $s) {
+    try {
+        var_dump(str_decrement($s));
+    } catch (ValueError $e) {
+        echo $e->getMessage(), PHP_EOL;
+    }
+}
+
+?>
+--EXPECT--
+str_decrement(): Argument #1 ($string) must not be empty
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
diff --git a/tests/std/strings/str_decrement_underflow.phpt b/tests/std/strings/str_decrement_underflow.phpt
new file mode 100644
index 00000000..05214977
--- /dev/null
+++ b/tests/std/strings/str_decrement_underflow.phpt
@@ -0,0 +1,32 @@
+--TEST--
+str_decrement(): Out of Range ValueErrors for strings that cannot be decremented
+--FILE--
+<?php
+
+$strings = [
+    "",
+    "0",
+    "a",
+    "A",
+    "00",
+    "0a",
+    "0A",
+];
+
+foreach ($strings as $s) {
+    try {
+        var_dump(str_decrement($s));
+    } catch (ValueError $e) {
+        echo $e->getMessage(), PHP_EOL;
+    }
+}
+
+?>
+--EXPECT--
+str_decrement(): Argument #1 ($string) must not be empty
+str_decrement(): Argument #1 ($string) "0" is out of decrement range
+str_decrement(): Argument #1 ($string) "a" is out of decrement range
+str_decrement(): Argument #1 ($string) "A" is out of decrement range
+str_decrement(): Argument #1 ($string) "00" is out of decrement range
+str_decrement(): Argument #1 ($string) "0a" is out of decrement range
+str_decrement(): Argument #1 ($string) "0A" is out of decrement range
diff --git a/tests/std/strings/str_ends_with.phpt b/tests/std/strings/str_ends_with.phpt
new file mode 100644
index 00000000..92e4fc65
--- /dev/null
+++ b/tests/std/strings/str_ends_with.phpt
@@ -0,0 +1,41 @@
+--TEST--
+str_ends_with() function - unit tests for str_ends_with()
+--FILE--
+<?php
+$testStr = "beginningMiddleEnd";
+var_dump(str_ends_with($testStr, "End"));
+var_dump(str_ends_with($testStr, "end"));
+var_dump(str_ends_with($testStr, "en"));
+var_dump(str_ends_with($testStr, $testStr));
+var_dump(str_ends_with($testStr, $testStr.$testStr));
+var_dump(str_ends_with($testStr, ""));
+var_dump(str_ends_with("", ""));
+var_dump(str_ends_with("", " "));
+var_dump(str_ends_with($testStr, "\x00"));
+var_dump(str_ends_with("\x00", ""));
+var_dump(str_ends_with("\x00", "\x00"));
+var_dump(str_ends_with("a\x00", "\x00"));
+var_dump(str_ends_with("ab\x00c", "b\x00c"));
+var_dump(str_ends_with("a\x00b", "d\x00b"));
+var_dump(str_ends_with("a\x00b", "a\x00z"));
+var_dump(str_ends_with("a", "\x00a"));
+var_dump(str_ends_with("a", "a\x00"));
+?>
+--EXPECT--
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(false)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
diff --git a/tests/std/strings/str_getcsv_001.phpt b/tests/std/strings/str_getcsv_001.phpt
new file mode 100644
index 00000000..d3e93cca
--- /dev/null
+++ b/tests/std/strings/str_getcsv_001.phpt
@@ -0,0 +1,94 @@
+--TEST--
+str_getcsv(): Testing using various arguments
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+// string input[, string delimiter[, string enclosure[, string escape]]]
+var_dump(str_getcsv('"f", "o", ""', escape: ''));
+print "-----\n";
+var_dump(str_getcsv('foo||bar', '|', escape: ''));
+print "-----\n";
+var_dump(str_getcsv('foo|bar', '|', escape: ''));
+print "-----\n";
+var_dump(str_getcsv('|foo|-|bar|', '-', '|', escape: ''));
+print "-----\n";
+var_dump(str_getcsv('|f.|.|bar|.|-|-.|', '.', '|', '-'));
+print "-----\n";
+var_dump(str_getcsv('.foo..bar.', '.', '.', '.'));
+print "-----\n";
+var_dump(str_getcsv('.foo  . .  bar  .', ' ', '.', ''));
+print "-----\n";
+var_dump(str_getcsv('" "" "', ' ', escape: ''));
+print "-----\n";
+var_dump(str_getcsv('', escape: ''));
+print "-----\n";
+
+?>
+--EXPECTF--
+array(3) {
+  [0]=>
+  string(1) "f"
+  [1]=>
+  string(1) "o"
+  [2]=>
+  string(0) ""
+}
+-----
+array(3) {
+  [0]=>
+  string(3) "foo"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(3) "bar"
+}
+-----
+array(2) {
+  [0]=>
+  string(3) "foo"
+  [1]=>
+  string(3) "bar"
+}
+-----
+array(2) {
+  [0]=>
+  string(3) "foo"
+  [1]=>
+  string(3) "bar"
+}
+-----
+array(3) {
+  [0]=>
+  string(2) "f."
+  [1]=>
+  string(3) "bar"
+  [2]=>
+  string(4) "-|-."
+}
+-----
+array(1) {
+  [0]=>
+  string(7) "foo.bar"
+}
+-----
+array(2) {
+  [0]=>
+  string(5) "foo  "
+  [1]=>
+  string(7) "  bar  "
+}
+-----
+array(1) {
+  [0]=>
+  string(3) " " "
+}
+-----
+array(1) {
+  [0]=>
+  NULL
+}
+-----
diff --git a/tests/std/strings/str_getcsv_002.phpt b/tests/std/strings/str_getcsv_002.phpt
new file mode 100644
index 00000000..de96e739
--- /dev/null
+++ b/tests/std/strings/str_getcsv_002.phpt
@@ -0,0 +1,17 @@
+--TEST--
+str_getcsv() with empty $escape
+--FILE--
+<?php
+$contents = <<<EOS
+"cell1","cell2\\","cell3","cell4"
+EOS;
+print_r(str_getcsv($contents, ',', '"', ''));
+?>
+--EXPECT--
+Array
+(
+    [0] => cell1
+    [1] => cell2\
+    [2] => cell3
+    [3] => cell4
+)
diff --git a/tests/std/strings/str_getcsv_errors.phpt b/tests/std/strings/str_getcsv_errors.phpt
new file mode 100644
index 00000000..db6a2641
--- /dev/null
+++ b/tests/std/strings/str_getcsv_errors.phpt
@@ -0,0 +1,31 @@
+--TEST--
+str_getcsv(): Invalid arguments
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+// string input[, string delimiter[, string enclosure[, string escape]]]
+try {
+    var_dump(str_getcsv('csv_string', 'separator', '"', ''));
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+try {
+    var_dump(str_getcsv('csv_string', ',', 'enclosure', ''));
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+try {
+    var_dump(str_getcsv('csv_string', ',', '"', 'escape'));
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+?>
+--EXPECT--
+ValueError: str_getcsv(): Argument #2 ($separator) must be a single character
+ValueError: str_getcsv(): Argument #3 ($enclosure) must be a single character
+ValueError: str_getcsv(): Argument #4 ($escape) must be empty or a single character
diff --git a/tests/std/strings/str_increment_basic.phpt b/tests/std/strings/str_increment_basic.phpt
new file mode 100644
index 00000000..1f238f6f
--- /dev/null
+++ b/tests/std/strings/str_increment_basic.phpt
@@ -0,0 +1,54 @@
+--TEST--
+str_increment(): Incrementing various strings
+--FILE--
+<?php
+
+$strictlyAlphaNumeric = [
+    "Az",
+    "aZ",
+    "A9",
+    "a9",
+    // Carrying values until the beginning of the string
+    "Zz",
+    "zZ",
+    "9z",
+    "9Z",
+    // string interpretable as a number in scientific notation
+    "5e6",
+    // Interned strings
+    "d",
+    "D",
+    "4",
+];
+
+foreach ($strictlyAlphaNumeric as $s) {
+    var_dump(str_increment($s));
+    var_dump($s);
+}
+
+?>
+--EXPECT--
+string(2) "Ba"
+string(2) "Az"
+string(2) "bA"
+string(2) "aZ"
+string(2) "B0"
+string(2) "A9"
+string(2) "b0"
+string(2) "a9"
+string(3) "AAa"
+string(2) "Zz"
+string(3) "aaA"
+string(2) "zZ"
+string(3) "10a"
+string(2) "9z"
+string(3) "10A"
+string(2) "9Z"
+string(3) "5e7"
+string(3) "5e6"
+string(1) "e"
+string(1) "d"
+string(1) "E"
+string(1) "D"
+string(1) "5"
+string(1) "4"
diff --git a/tests/std/strings/str_increment_errors.phpt b/tests/std/strings/str_increment_errors.phpt
new file mode 100644
index 00000000..e06d7e4b
--- /dev/null
+++ b/tests/std/strings/str_increment_errors.phpt
@@ -0,0 +1,53 @@
+--TEST--
+str_increment(): Invalid strings to increment should throw a ValueError
+--FILE--
+<?php
+
+$strings = [
+    // Empty string
+    "",
+    // String increments are unaware of being "negative"
+    "-cc",
+    // Trailing whitespace
+    "Z ",
+    // Leading whitespace
+    " Z",
+    // Non-ASCII characters
+    "é",
+    "�����",
+    "α",
+    "ω",
+    "Α", // Capital alpha
+    "Ω",
+    // With period
+    "foo1.txt",
+    "1f.5",
+    // With multiple period
+    "foo.1.txt",
+    "1.f.5",
+];
+
+foreach ($strings as $s) {
+    try {
+        var_dump(str_increment($s));
+    } catch (ValueError $e) {
+        echo $e->getMessage(), PHP_EOL;
+    }
+}
+
+?>
+--EXPECT--
+str_increment(): Argument #1 ($string) must not be empty
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
+str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
diff --git a/tests/std/strings/str_increment_polyfill.phpt b/tests/std/strings/str_increment_polyfill.phpt
new file mode 100644
index 00000000..e4818bb4
--- /dev/null
+++ b/tests/std/strings/str_increment_polyfill.phpt
@@ -0,0 +1,63 @@
+--TEST--
+Verifying that the str_increment() polyfill behaves the same
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+function polyfill(string $s): string {
+    if (is_numeric($s)) {
+        $offset = stripos($s, 'e');
+        if ($offset !== false) {
+            /* Using increment operator would cast the string to float
+             * Therefore we manually increment it to convert it to an "f"/"F" that doesn't get affected */
+            $c = $s[$offset];
+            @$c++;
+            $s[$offset] = $c;
+            @$s++;
+            $s[$offset] = match ($s[$offset]) {
+                'f' => 'e',
+                'F' => 'E',
+                'g' => 'f',
+                'G' => 'F',
+            };
+            return $s;
+        }
+    }
+    return @++$s;
+}
+
+$strictlyAlphaNumeric = [
+    "Az",
+    "aZ",
+    "A9",
+    "a9",
+    // Carrying values until the beginning of the string
+    "Zz",
+    "zZ",
+    "9z",
+    "9Z",
+    // string interpretable as a number in scientific notation
+    "5e6",
+    "5E6",
+    "5e9",
+    "5E9",
+    // Interned strings
+    "d",
+    "D",
+    "4",
+];
+
+foreach ($strictlyAlphaNumeric as $s) {
+    if (str_increment($s) !== polyfill($s)) {
+        var_dump("Error:", str_increment($s), polyfill($s));
+    }
+}
+
+echo "DONE";
+
+?>
+--EXPECT--
+DONE
diff --git a/tests/std/strings/str_ireplace.phpt b/tests/std/strings/str_ireplace.phpt
new file mode 100644
index 00000000..c360004a
--- /dev/null
+++ b/tests/std/strings/str_ireplace.phpt
@@ -0,0 +1,90 @@
+--TEST--
+str_ireplace() tests
+--FILE--
+<?php
+
+var_dump(str_ireplace("", "", ""));
+
+var_dump(str_ireplace("tt", "a", "ttttTttttttttTT"));
+var_dump(str_ireplace("tt", "a", "ttttTttttttttTT", $count));
+var_dump($count);
+
+var_dump(str_ireplace("tt", "aa", "ttttTttttttttTT"));
+var_dump(str_ireplace("tt", "aa", "ttttTttttttttTT", $count));
+var_dump($count);
+
+var_dump(str_ireplace("tt", "aaa", "ttttTttttttttTT"));
+var_dump(str_ireplace("tt", "aaa", "ttttTttttttttTT", $count));
+var_dump($count);
+
+var_dump(str_ireplace("tt", "aaa", "ttttTttttttttTT"));
+var_dump(str_ireplace("tt", "aaa", "ttttTttttttttTT", $count));
+var_dump($count);
+
+var_dump(str_ireplace(array("tt", "tt"), "aaa", "ttttTttttttttTT"));
+var_dump(str_ireplace(array("tt", "tt"), array("aaa"), "ttttTttttttttTT"));
+var_dump(str_ireplace(array("tt", "y"), array("aaa", "bbb"), "ttttTttttttttTT"));
+
+var_dump(str_ireplace(array("tt", "tt"), "aaa", "ttttTttttttttTT"));
+var_dump(str_ireplace(array("tt", "tt"), array("aaa"), "ttttTttttttttTT"));
+var_dump(str_ireplace(array("tt", "y"), array("aaa", "bbb"), "ttttTttttttttTT"));
+
+var_dump(str_ireplace(array("tt", "y"), array("aaa", "bbb"), array("ttttTttttttttTT", "aayyaayasdayYahsdYYY")));
+var_dump(str_ireplace(array("tt", "y"), array("aaa", "bbb"), array("key"=>"ttttTttttttttTT", "test"=>"aayyaayasdayYahsdYYY")));
+var_dump(str_ireplace(array("t"=>"tt", "y"=>"y"), array("a"=>"aaa", "b"=>"bbb"), array("key"=>"ttttTttttttttTT", "test"=>"aayyaayasdayYahsdYYY")));
+
+/* separate testcase for str_ireplace() off-by-one */
+
+$Data = "Change tracking and management software designed to watch
+    for abnormal system behavior.\nSuggest features, report bugs, or ask
+    questions here.";
+var_dump($Data = str_ireplace("\r\n", "<br>", $Data));
+var_dump($Data = str_ireplace("\n", "<br>", $Data));
+
+
+echo "Done\n";
+?>
+--EXPECT--
+string(0) ""
+string(8) "aaaaaaaT"
+string(8) "aaaaaaaT"
+int(7)
+string(15) "aaaaaaaaaaaaaaT"
+string(15) "aaaaaaaaaaaaaaT"
+int(7)
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+int(7)
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+int(7)
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+array(2) {
+  [0]=>
+  string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+  [1]=>
+  string(36) "aabbbbbbaabbbasdabbbbbbahsdbbbbbbbbb"
+}
+array(2) {
+  ["key"]=>
+  string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+  ["test"]=>
+  string(36) "aabbbbbbaabbbasdabbbbbbahsdbbbbbbbbb"
+}
+array(2) {
+  ["key"]=>
+  string(22) "aaaaaaaaaaaaaaaaaaaaaT"
+  ["test"]=>
+  string(36) "aabbbbbbaabbbasdabbbbbbahsdbbbbbbbbb"
+}
+string(149) "Change tracking and management software designed to watch
+    for abnormal system behavior.
+Suggest features, report bugs, or ask
+    questions here."
+string(158) "Change tracking and management software designed to watch<br>    for abnormal system behavior.<br>Suggest features, report bugs, or ask<br>    questions here."
+Done
diff --git a/tests/std/strings/str_pad.phpt b/tests/std/strings/str_pad.phpt
new file mode 100644
index 00000000..834ed165
--- /dev/null
+++ b/tests/std/strings/str_pad.phpt
@@ -0,0 +1,310 @@
+--TEST--
+str_pad() function
+--SKIPIF--
+<?php
+echo 'skip AOT does not support cross-type reassignment';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+/* Pad a string to a certain length with another string */
+
+echo "\n#### Basic operations ####\n";
+$input_string = "str_pad()";
+$pad_length = 20;
+$pad_string = "-+";
+var_dump( str_pad($input_string, $pad_length) ); // default pad_string & pad_type
+var_dump( str_pad($input_string, $pad_length, $pad_string) ); // default pad_type
+var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_LEFT) );
+var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_RIGHT) );
+var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_BOTH) );
+
+echo "\n#### variations with input string and pad-length ####\n";
+/* different input string variation */
+$input_strings = array(
+    "variation", // normal string
+    "", 	// empty string
+    true,  // boolean
+    15,  // numeric
+    15.55,  // numeric
+    "2990"  // numeric string
+);
+
+/* different pad_lengths */
+$pad_lengths = array(
+    -PHP_INT_MAX,  // huge negative value
+    -1,  // negative value
+    0,  // pad_length < sizeof(input_string)
+    9,  // pad_length <= sizeof(input_string)
+    10,  // pad_length > sizeof(input_string)
+    16,  // pad_length > sizeof(input_string)
+);
+
+$pad_string = "=";
+/* loop through to use each variant of $pad_length on each element of $input_strings array */
+foreach ($input_strings as $input_string ) {
+    foreach ($pad_lengths as $pad_length ) {
+        var_dump( str_pad($input_string, $pad_length) ); // default pad_string & pad_type
+        var_dump( str_pad($input_string, $pad_length, $pad_string) ); // default pad_type
+        var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_LEFT) );
+        var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_RIGHT) );
+        var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_BOTH) );
+    }
+}
+
+echo "\n#### variation with pad string ####\n";
+$pad_strings = array ("=", 1, true, "string_pad", 1.5, "\t", '\t');
+$input_string="variation";
+$pad_length = 16;
+foreach ( $pad_strings as $pad_string ) {
+    var_dump( str_pad($input_string, $pad_length, $pad_string) ); // default pad_type
+    var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_LEFT) );
+    var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_RIGHT) );
+    var_dump( str_pad($input_string, $pad_length, $pad_string, STR_PAD_BOTH) );
+}
+
+echo "\n#### error conditions ####\n";
+
+echo "\n--- empty padding string ---\n";
+
+try {
+    str_pad($input_string, 12, "");
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+/* bad pad_type - passing an undefined one */
+
+try {
+    str_pad($input_string, $pad_length, "+", 15);
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+?>
+--EXPECT--
+#### Basic operations ####
+string(20) "str_pad()           "
+string(20) "str_pad()-+-+-+-+-+-"
+string(20) "-+-+-+-+-+-str_pad()"
+string(20) "str_pad()-+-+-+-+-+-"
+string(20) "-+-+-str_pad()-+-+-+"
+
+#### variations with input string and pad-length ####
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(9) "variation"
+string(10) "variation "
+string(10) "variation="
+string(10) "=variation"
+string(10) "variation="
+string(10) "variation="
+string(16) "variation       "
+string(16) "variation======="
+string(16) "=======variation"
+string(16) "variation======="
+string(16) "===variation===="
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(9) "         "
+string(9) "========="
+string(9) "========="
+string(9) "========="
+string(9) "========="
+string(10) "          "
+string(10) "=========="
+string(10) "=========="
+string(10) "=========="
+string(10) "=========="
+string(16) "                "
+string(16) "================"
+string(16) "================"
+string(16) "================"
+string(16) "================"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(1) "1"
+string(9) "1        "
+string(9) "1========"
+string(9) "========1"
+string(9) "1========"
+string(9) "====1===="
+string(10) "1         "
+string(10) "1========="
+string(10) "=========1"
+string(10) "1========="
+string(10) "====1====="
+string(16) "1               "
+string(16) "1==============="
+string(16) "===============1"
+string(16) "1==============="
+string(16) "=======1========"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(2) "15"
+string(9) "15       "
+string(9) "15======="
+string(9) "=======15"
+string(9) "15======="
+string(9) "===15===="
+string(10) "15        "
+string(10) "15========"
+string(10) "========15"
+string(10) "15========"
+string(10) "====15===="
+string(16) "15              "
+string(16) "15=============="
+string(16) "==============15"
+string(16) "15=============="
+string(16) "=======15======="
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(5) "15.55"
+string(9) "15.55    "
+string(9) "15.55===="
+string(9) "====15.55"
+string(9) "15.55===="
+string(9) "==15.55=="
+string(10) "15.55     "
+string(10) "15.55====="
+string(10) "=====15.55"
+string(10) "15.55====="
+string(10) "==15.55==="
+string(16) "15.55           "
+string(16) "15.55==========="
+string(16) "===========15.55"
+string(16) "15.55==========="
+string(16) "=====15.55======"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(4) "2990"
+string(9) "2990     "
+string(9) "2990====="
+string(9) "=====2990"
+string(9) "2990====="
+string(9) "==2990==="
+string(10) "2990      "
+string(10) "2990======"
+string(10) "======2990"
+string(10) "2990======"
+string(10) "===2990==="
+string(16) "2990            "
+string(16) "2990============"
+string(16) "============2990"
+string(16) "2990============"
+string(16) "======2990======"
+
+#### variation with pad string ####
+string(16) "variation======="
+string(16) "=======variation"
+string(16) "variation======="
+string(16) "===variation===="
+string(16) "variation1111111"
+string(16) "1111111variation"
+string(16) "variation1111111"
+string(16) "111variation1111"
+string(16) "variation1111111"
+string(16) "1111111variation"
+string(16) "variation1111111"
+string(16) "111variation1111"
+string(16) "variationstring_"
+string(16) "string_variation"
+string(16) "variationstring_"
+string(16) "strvariationstri"
+string(16) "variation1.51.51"
+string(16) "1.51.51variation"
+string(16) "variation1.51.51"
+string(16) "1.5variation1.51"
+string(16) "variation							"
+string(16) "							variation"
+string(16) "variation							"
+string(16) "			variation				"
+string(16) "variation\t\t\t\"
+string(16) "\t\t\t\variation"
+string(16) "variation\t\t\t\"
+string(16) "\t\variation\t\t"
+
+#### error conditions ####
+
+--- empty padding string ---
+str_pad(): Argument #3 ($pad_string) must not be empty
+str_pad(): Argument #4 ($pad_type) must be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH
diff --git a/tests/std/strings/str_pad_variation1.phpt b/tests/std/strings/str_pad_variation1.phpt
new file mode 100644
index 00000000..cb71e611
--- /dev/null
+++ b/tests/std/strings/str_pad_variation1.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test str_pad() function : usage variations - large values for '$pad_length' argument
+--SKIPIF--
+<?php
+if (getenv("USE_ZEND_ALLOC") === "0") {
+    die("skip Zend MM disabled");
+}
+?>
+--FILE--
+<?php
+/* Test str_pad() function: with unexpected inputs for '$pad_length'
+ *  and expected type for '$input'
+*/
+
+echo "*** Testing str_pad() function: with large value for for 'pad_length' argument ***\n";
+
+//defining '$input' argument
+$input = "Test string";
+
+$extra_large_pad_length = PHP_INT_MAX*5;
+try {
+    var_dump( str_pad($input, $extra_large_pad_length) );
+} catch (\TypeError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+$php_int_max_pad_length = PHP_INT_MAX;
+var_dump( str_pad($input, $php_int_max_pad_length) );
+
+
+?>
+--EXPECTF--
+*** Testing str_pad() function: with large value for for 'pad_length' argument ***
+str_pad(): Argument #2 ($length) must be of type int, float given
+
+Fatal error: Allowed memory size of %d bytes exhausted%s(tried to allocate %d bytes) in %s on line %d
diff --git a/tests/std/strings/str_pad_variation2.phpt b/tests/std/strings/str_pad_variation2.phpt
new file mode 100644
index 00000000..802903b3
--- /dev/null
+++ b/tests/std/strings/str_pad_variation2.phpt
@@ -0,0 +1,75 @@
+--TEST--
+str_pad() function: usage variations - Non printable chars
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+// Split from str_pad for NUL Bytes
+// 7-bit ASCII
+$string = chr(0).chr(255).chr(128).chr(234).chr(143);
+
+/* different pad_lengths */
+$pad_lengths = [
+    -PHP_INT_MAX,  // huge negative value
+    -1,  // negative value
+    0,  // pad_length < sizeof(input_string)
+    9,  // pad_length <= sizeof(input_string)
+    10,  // pad_length > sizeof(input_string)
+    16,  // pad_length > sizeof(input_string)
+];
+
+$pad_string = "=";
+
+/*loop through to use each variant of $pad_length on
+  each element of $input_strings array */
+foreach ($pad_lengths as $pad_length ) {
+    // default pad_string & pad_type
+    var_dump( bin2hex( str_pad($string, $pad_length) ) );
+    // default pad_type
+    var_dump( bin2hex( str_pad($string, $pad_length, $pad_string) ) );
+    var_dump( bin2hex( str_pad($string, $pad_length, $pad_string, STR_PAD_LEFT) ) );
+    var_dump( bin2hex( str_pad($string, $pad_length, $pad_string, STR_PAD_RIGHT) ) );
+    var_dump( bin2hex( str_pad($string, $pad_length, $pad_string, STR_PAD_BOTH) ) );
+}
+
+?>
+
+DONE
+?>
+--EXPECT--
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(10) "00ff80ea8f"
+string(18) "00ff80ea8f20202020"
+string(18) "00ff80ea8f3d3d3d3d"
+string(18) "3d3d3d3d00ff80ea8f"
+string(18) "00ff80ea8f3d3d3d3d"
+string(18) "3d3d00ff80ea8f3d3d"
+string(20) "00ff80ea8f2020202020"
+string(20) "00ff80ea8f3d3d3d3d3d"
+string(20) "3d3d3d3d3d00ff80ea8f"
+string(20) "00ff80ea8f3d3d3d3d3d"
+string(20) "3d3d00ff80ea8f3d3d3d"
+string(32) "00ff80ea8f2020202020202020202020"
+string(32) "00ff80ea8f3d3d3d3d3d3d3d3d3d3d3d"
+string(32) "3d3d3d3d3d3d3d3d3d3d3d00ff80ea8f"
+string(32) "00ff80ea8f3d3d3d3d3d3d3d3d3d3d3d"
+string(32) "3d3d3d3d3d00ff80ea8f3d3d3d3d3d3d"
+
+DONE
diff --git a/tests/std/strings/str_pad_variation5.phpt b/tests/std/strings/str_pad_variation5.phpt
new file mode 100644
index 00000000..1a65366c
--- /dev/null
+++ b/tests/std/strings/str_pad_variation5.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Test str_pad() function : usage variations - unexpected large value for '$pad_length' argument
+--INI--
+memory_limit=128M
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+if (getenv("USE_ZEND_ALLOC") === "0") {
+    die("skip Zend MM disabled");
+}
+?>
+--FILE--
+<?php
+/* Test str_pad() function: with unexpected inputs for '$pad_length'
+ *  and expected type for '$input'
+*/
+
+echo "*** Testing str_pad() function: with large value for for 'pad_length' argument ***\n";
+
+//defining '$input' argument
+$input = "Test string";
+$pad_length = PHP_INT_MAX - 16; /* zend_string header is 16 bytes */
+var_dump( str_pad($input, $pad_length) );
+
+?>
+--EXPECTF--
+*** Testing str_pad() function: with large value for for 'pad_length' argument ***
+
+Fatal error: Allowed memory size of %d bytes exhausted%s(tried to allocate %d bytes) in %s on line %d
diff --git a/tests/std/strings/str_repeat.phpt b/tests/std/strings/str_repeat.phpt
new file mode 100644
index 00000000..3351e7f8
--- /dev/null
+++ b/tests/std/strings/str_repeat.phpt
@@ -0,0 +1,103 @@
+--TEST--
+Test str_repeat() function
+--INI--
+precision=14
+--FILE--
+<?php
+echo "*** Testing str_repeat() with possible strings ***";
+$variations = array(
+  'a',
+  'foo',
+  'barbazbax',
+  "\x00",
+  '\0',
+  TRUE,
+  4,
+  1.23,
+  "",
+  " "
+);
+
+/* variations in string and multiplier as an int */
+foreach($variations as $input) {
+  echo "\n--- str_repeat() of '$input' ---\n" ;
+  for($n=0; $n<4; $n++) {
+    echo "-- after repeating $n times is => ";
+    echo str_repeat($input, $n)."\n";
+  }
+}
+
+echo "\n\n*** Testing error conditions ***\n";
+try {
+    str_repeat($input[0], -1); // Invalid arg for multiplier
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+?>
+
+--EXPECTF--
+*** Testing str_repeat() with possible strings ***
+--- str_repeat() of 'a' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => a
+-- after repeating 2 times is => aa
+-- after repeating 3 times is => aaa
+
+--- str_repeat() of 'foo' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => foo
+-- after repeating 2 times is => foofoo
+-- after repeating 3 times is => foofoofoo
+
+--- str_repeat() of 'barbazbax' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => barbazbax
+-- after repeating 2 times is => barbazbaxbarbazbax
+-- after repeating 3 times is => barbazbaxbarbazbaxbarbazbax
+
+--- str_repeat() of '%0' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => %0
+-- after repeating 2 times is => %0%0
+-- after repeating 3 times is => %0%0%0
+
+--- str_repeat() of '\0' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => \0
+-- after repeating 2 times is => \0\0
+-- after repeating 3 times is => \0\0\0
+
+--- str_repeat() of '1' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => 1
+-- after repeating 2 times is => 11
+-- after repeating 3 times is => 111
+
+--- str_repeat() of '4' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => 4
+-- after repeating 2 times is => 44
+-- after repeating 3 times is => 444
+
+--- str_repeat() of '1.23' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => 1.23
+-- after repeating 2 times is => 1.231.23
+-- after repeating 3 times is => 1.231.231.23
+
+--- str_repeat() of '' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is => 
+-- after repeating 2 times is => 
+-- after repeating 3 times is => 
+
+--- str_repeat() of ' ' ---
+-- after repeating 0 times is => 
+-- after repeating 1 times is =>  
+-- after repeating 2 times is =>   
+-- after repeating 3 times is =>    
+
+
+*** Testing error conditions ***
+str_repeat(): Argument #2 ($times) must be greater than or equal to 0
diff --git a/tests/std/strings/str_repeat_variation1.phpt b/tests/std/strings/str_repeat_variation1.phpt
new file mode 100644
index 00000000..e9a6407d
--- /dev/null
+++ b/tests/std/strings/str_repeat_variation1.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test str_repeat() function: usage variations - complex strings containing other than 7-bit chars
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+$str = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255);
+
+$withCodePoint = str_repeat($str, chr(51)); // ASCII value of '3' given
+$explicit = str_repeat($str, 3);
+
+var_dump($withCodePoint === $explicit);
+var_dump( bin2hex( $withCodePoint ) );
+var_dump( bin2hex( $explicit ) );
+
+?>
+DONE
+?>
+--EXPECT--
+bool(true)
+string(42) "008081eaebfeff008081eaebfeff008081eaebfeff"
+string(42) "008081eaebfeff008081eaebfeff008081eaebfeff"
+DONE
diff --git a/tests/std/strings/str_replace_array_refs.phpt b/tests/std/strings/str_replace_array_refs.phpt
new file mode 100644
index 00000000..281bb942
--- /dev/null
+++ b/tests/std/strings/str_replace_array_refs.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Test str_replace() function and array refs
+--INI--
+precision=14
+--FILE--
+<?php
+$data = ['a' => 'b', 'numeric' => 1];
+$ref = &$data;
+$b = &$ref['a'];
+$numeric = &$ref['numeric'];
+var_dump(str_replace(array_keys($data), $data, "a numeric"));
+var_dump($numeric);
+var_dump($data['numeric']);
+?>
+--EXPECT--
+string(3) "b 1"
+int(1)
+int(1)
diff --git a/tests/std/strings/str_replace_array_refs2.phpt b/tests/std/strings/str_replace_array_refs2.phpt
new file mode 100644
index 00000000..bbc31c27
--- /dev/null
+++ b/tests/std/strings/str_replace_array_refs2.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test str_replace() function and array refs, more cases
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+$closure = function (array $array, array $keys, $value)
+{
+    $current = &$array;
+    foreach ($keys as $key)
+        $current = &$current[$key];
+    $current = $value;
+    return $array;
+};
+
+class SomeClass { public $prop; }
+
+$obj = new SomeClass;
+$obj->prop = ['x' => 'property'];
+$obj->prop = $closure($obj->prop, ['x'], 'a');
+var_dump(str_replace(array_keys($obj->prop), $obj->prop, "x property"));
+
+$array = ['x' => 'property'];
+$array = $closure($array, ['x'], 'a');
+var_dump(str_replace(array_keys($array), $array, "x property"));
+?>
+--EXPECT--
+string(10) "a property"
+string(10) "a property"
diff --git a/tests/std/strings/str_replace_basic.phpt b/tests/std/strings/str_replace_basic.phpt
new file mode 100644
index 00000000..4dfbd098
--- /dev/null
+++ b/tests/std/strings/str_replace_basic.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test str_replace() function basic function
+--INI--
+precision=14
+--FILE--
+<?php
+echo "\n*** Testing str_replace() on basic operations ***\n";
+
+var_dump( str_replace("", "", "") );
+
+var_dump( str_replace("e", "b", "test") );
+
+var_dump( str_replace("", "", "", $count) );
+var_dump( $count );
+
+var_dump( str_replace("q", "q", "q", $count) );
+var_dump( $count );
+
+var_dump( str_replace("long string here", "", "", $count) );
+var_dump( $count );
+
+$fp = fopen( __FILE__, "r" );
+$fp_copy = $fp;
+try {
+    var_dump( str_replace($fp_copy, $fp_copy, $fp_copy, $fp_copy) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+var_dump( $fp_copy );
+fclose($fp);
+
+?>
+--EXPECTF--
+*** Testing str_replace() on basic operations ***
+string(0) ""
+string(4) "tbst"
+string(0) ""
+int(0)
+string(1) "q"
+int(1)
+string(0) ""
+int(0)
+str_replace(): Argument #1 ($search) must be of type array|string, resource given
+resource(%d) of type (stream)
diff --git a/tests/std/strings/str_replace_variation1.phpt b/tests/std/strings/str_replace_variation1.phpt
new file mode 100644
index 00000000..558654c9
--- /dev/null
+++ b/tests/std/strings/str_replace_variation1.phpt
@@ -0,0 +1,400 @@
+--TEST--
+Test str_replace() function - test search values
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+echo "\n*** Testing str_replace() with various search values ***";
+$search_arr = array( TRUE, FALSE, 1, 0, -1, "1", "0", "-1",  NULL,
+                     array(), "php", "");
+
+$i = 0;
+/* loop through to replace the matched elements in the array */
+foreach( $search_arr as $value ) {
+  echo "\n-- Iteration $i --\n";
+  /* replace the string in array */
+  var_dump( str_replace($value, "FOUND", $search_arr, $count) );
+  var_dump( $count );
+  $i++;
+}
+
+?>
+--EXPECTF--
+*** Testing str_replace() with various search values ***
+-- Iteration 0 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(5) "FOUND"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(5) "FOUND"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(6) "-FOUND"
+  [5]=>
+  string(5) "FOUND"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(6) "-FOUND"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(5)
+
+-- Iteration 1 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(0)
+
+-- Iteration 2 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(5) "FOUND"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(5) "FOUND"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(6) "-FOUND"
+  [5]=>
+  string(5) "FOUND"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(6) "-FOUND"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(5)
+
+-- Iteration 3 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(5) "FOUND"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(5) "FOUND"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(2)
+
+-- Iteration 4 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(5) "FOUND"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(5) "FOUND"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(2)
+
+-- Iteration 5 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(5) "FOUND"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(5) "FOUND"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(6) "-FOUND"
+  [5]=>
+  string(5) "FOUND"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(6) "-FOUND"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(5)
+
+-- Iteration 6 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(5) "FOUND"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(5) "FOUND"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(2)
+
+-- Iteration 7 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(5) "FOUND"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(5) "FOUND"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(2)
+
+-- Iteration 8 --
+
+Deprecated: str_replace(): Passing null to parameter #1 ($search) of type array|string is deprecated in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(0)
+
+-- Iteration 9 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(0)
+
+-- Iteration 10 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(5) "FOUND"
+  [11]=>
+  string(0) ""
+}
+int(1)
+
+-- Iteration 11 --
+
+Warning: Array to string conversion in %s on line %d
+array(12) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(1) "1"
+  [3]=>
+  string(1) "0"
+  [4]=>
+  string(2) "-1"
+  [5]=>
+  string(1) "1"
+  [6]=>
+  string(1) "0"
+  [7]=>
+  string(2) "-1"
+  [8]=>
+  string(0) ""
+  [9]=>
+  string(5) "Array"
+  [10]=>
+  string(3) "php"
+  [11]=>
+  string(0) ""
+}
+int(0)
diff --git a/tests/std/strings/str_replace_variation2.phpt b/tests/std/strings/str_replace_variation2.phpt
new file mode 100644
index 00000000..d8dcd58e
--- /dev/null
+++ b/tests/std/strings/str_replace_variation2.phpt
@@ -0,0 +1,300 @@
+--TEST--
+Test str_replace() function
+--INI--
+precision=14
+--FILE--
+<?php
+/*
+  Description: Replace all occurrences of the search string with
+               the replacement string
+*/
+
+echo "\n*** Testing str_replace() with various subjects ***";
+$subject = "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE\000
+        \x000\x5ACD\0abcd \xXYZ\tabcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)";
+
+/* needles in an array to be compared in the string $string */
+$search_str = array (
+  "Hello, World",
+  'Hello, World',
+  '!!Hello, World',
+  "??Hello, World",
+  "$@#%^&*!~,.:;?",
+  "123",
+  123,
+  "-1.2345",
+  -1.2344,
+  "abcd",
+  'XYZ',
+  "NULL",
+  "0",
+  0,
+  "",
+  " ",
+  "\0",
+  "\x000",
+  "\x5AC",
+  "\0000",
+  ".3",
+  TRUE,
+  "TRUE",
+  "1",
+  1,
+  FALSE,
+  "FALSE",
+  " ",
+  "          ",
+  'b',
+  '\t',
+  "\t",
+  chr(128).chr(234).chr(65).chr(255).chr(0),
+  $subject
+);
+
+/* loop through to get the  $string */
+for( $i = 0; $i < count($search_str); $i++ ) {
+  echo "\n--- Iteration $i ---";
+  echo "\n-- String after replacing the search value is => --\n";
+  var_dump( str_replace($search_str[$i], "FOUND", $subject, $count) );
+  echo "-- search string has found '$count' times\n";
+}
+
+?>
+--EXPECTF--
+*** Testing str_replace() with various subjects ***
+--- Iteration 0 ---
+-- String after replacing the search value is => --
+string(179) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!FOUND
+        ?FOUND chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '2' times
+
+--- Iteration 1 ---
+-- String after replacing the search value is => --
+string(179) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!FOUND
+        ?FOUND chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '2' times
+
+--- Iteration 2 ---
+-- String after replacing the search value is => --
+string(184) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: FOUND
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 3 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 4 ---
+-- String after replacing the search value is => --
+string(184) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $FOUND: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 5 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 6 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 7 ---
+-- String after replacing the search value is => --
+string(191) "Hello, world,0120333.3445FOUND67          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 8 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 9 ---
+-- String after replacing the search value is => --
+string(195) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0FOUND \xXYZ	FOUND $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '2' times
+
+--- Iteration 10 ---
+-- String after replacing the search value is => --
+string(195) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xFOUND	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 11 ---
+-- String after replacing the search value is => --
+string(194) "Hello, world,0120333.3445-1.234567          FOUND TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 12 ---
+-- String after replacing the search value is => --
+string(213) "Hello, world,FOUND12FOUND333.3445-1.234567          NULL TRUE FALSE%0
+        %0FOUNDZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(FOUND).chr(128).chr(234).chr(65).chr(255).chr(FOUND)"
+-- search string has found '5' times
+
+--- Iteration 13 ---
+-- String after replacing the search value is => --
+string(213) "Hello, world,FOUND12FOUND333.3445-1.234567          NULL TRUE FALSE%0
+        %0FOUNDZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(FOUND).chr(128).chr(234).chr(65).chr(255).chr(FOUND)"
+-- search string has found '5' times
+
+--- Iteration 14 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 15 ---
+-- String after replacing the search value is => --
+string(333) "Hello,FOUNDworld,0120333.3445-1.234567FOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDNULLFOUNDTRUEFOUNDFALSE%0
+FOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUND%00ZCD%0abcdFOUND\xXYZ	abcdFOUND$$@#%^&*!~,.:;?:FOUND!!Hello,FOUNDWorld
+FOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUND?Hello,FOUNDWorldFOUNDchr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '35' times
+
+--- Iteration 16 ---
+-- String after replacing the search value is => --
+string(205) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSEFOUND
+        FOUND0ZCDFOUNDabcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '3' times
+
+--- Iteration 17 ---
+-- String after replacing the search value is => --
+string(196) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        FOUNDZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 18 ---
+-- String after replacing the search value is => --
+string(196) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00FOUNDD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 19 ---
+-- String after replacing the search value is => --
+string(196) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        FOUNDZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 20 ---
+-- String after replacing the search value is => --
+string(196) "Hello, world,0120333FOUND445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 21 ---
+-- String after replacing the search value is => --
+string(205) "Hello, world,0FOUND20333.3445-FOUND.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(FOUND28).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '3' times
+
+--- Iteration 22 ---
+-- String after replacing the search value is => --
+string(194) "Hello, world,0120333.3445-1.234567          NULL FOUND FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 23 ---
+-- String after replacing the search value is => --
+string(205) "Hello, world,0FOUND20333.3445-FOUND.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(FOUND28).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '3' times
+
+--- Iteration 24 ---
+-- String after replacing the search value is => --
+string(205) "Hello, world,0FOUND20333.3445-FOUND.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(FOUND28).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '3' times
+
+--- Iteration 25 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 26 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FOUND%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 27 ---
+-- String after replacing the search value is => --
+string(333) "Hello,FOUNDworld,0120333.3445-1.234567FOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDNULLFOUNDTRUEFOUNDFALSE%0
+FOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUND%00ZCD%0abcdFOUND\xXYZ	abcdFOUND$$@#%^&*!~,.:;?:FOUND!!Hello,FOUNDWorld
+FOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUNDFOUND?Hello,FOUNDWorldFOUNDchr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '35' times
+
+--- Iteration 28 ---
+-- String after replacing the search value is => --
+string(188) "Hello, world,0120333.3445-1.234567FOUNDNULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 29 ---
+-- String after replacing the search value is => --
+string(201) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0aFOUNDcd \xXYZ	aFOUNDcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '2' times
+
+--- Iteration 30 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 31 ---
+-- String after replacing the search value is => --
+string(197) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZFOUNDabcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '1' times
+
+--- Iteration 32 ---
+-- String after replacing the search value is => --
+string(193) "Hello, world,0120333.3445-1.234567          NULL TRUE FALSE%0
+        %00ZCD%0abcd \xXYZ	abcd $$@#%^&*!~,.:;?: !!Hello, World
+        ?Hello, World chr(0).chr(128).chr(234).chr(65).chr(255).chr(0)"
+-- search string has found '0' times
+
+--- Iteration 33 ---
+-- String after replacing the search value is => --
+string(5) "FOUND"
+-- search string has found '1' times
diff --git a/tests/std/strings/str_replace_variation3.phpt b/tests/std/strings/str_replace_variation3.phpt
new file mode 100644
index 00000000..da4934af
--- /dev/null
+++ b/tests/std/strings/str_replace_variation3.phpt
@@ -0,0 +1,230 @@
+--TEST--
+Test str_replace() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+/*
+  Description: Replace all occurrences of the search string with
+               the replacement string
+*/
+
+
+echo "\n*** Testing Miscellaneous input data ***\n";
+/*  If replace has fewer values than search, then an empty
+    string is used for the rest of replacement values */
+var_dump( str_replace(array("a", "a", "b"),
+              array("q", "q"),
+              "aaabb", $count
+             )
+    );
+var_dump($count);
+var_dump( str_replace(array("a", "a", "b"),
+                      array("q", "q"),
+                      array("aaa", "bbb", "ccc"),
+                      $count
+                     )
+        );
+var_dump($count);
+
+
+echo "\n-- Testing objects --\n";
+/* we get "Recoverable fatal error: saying Object of class could not be converted
+        to string" by default, when an object is passed instead of string:
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class subject
+{
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_subject = new subject;
+
+class search
+{
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_search = new search;
+
+class replace
+{
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_replace = new replace;
+
+var_dump(str_replace("$obj_search", "$obj_replace", "$obj_subject", $count));
+var_dump($count);
+
+
+echo "\n-- Testing arrays --\n";
+var_dump(str_replace(array("a", "a", "b"), "multi", "aaa", $count));
+var_dump($count);
+
+var_dump(str_replace( array("a", "a", "b"),
+                      array("q", "q", "c"),
+                      "aaa", $count
+                    )
+);
+var_dump($count);
+
+var_dump(str_replace( array("a", "a", "b"),
+                      array("q", "q", "c"),
+                      array("aaa", "bbb"),
+                      $count
+                    )
+);
+var_dump($count);
+
+try {
+    str_replace("a", array("q", "q", "c"), array("aaa"), $count);
+} catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+var_dump(str_replace("a", 1, array("aaa", "bbb"), $count));
+var_dump($count);
+
+var_dump(str_replace(1, 3, array("aaa1", "2bbb"), $count));
+var_dump($count);
+
+
+echo "\n-- Testing Resources --\n";
+$resource1 = fopen( __FILE__, "r" );
+$resource2 = opendir( "." );
+try {
+    var_dump(str_replace("stream", "FOUND", $resource1, $count));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(str_replace("stream", "FOUND", $resource2, $count));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+
+echo "\n-- Testing a longer and heredoc string --\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+
+var_dump( str_replace("abcdef", "FOUND", $string, $count) );
+var_dump( $count );
+
+echo "\n-- Testing a heredoc null string --\n";
+$str = <<<EOD
+EOD;
+var_dump( str_replace("", "FOUND", $str, $count) );
+var_dump( $count );
+
+
+echo "\n-- Testing simple and complex syntax strings --\n";
+$str = 'world';
+
+/* Simple syntax */
+var_dump( str_replace("world", "FOUND", "$str") );
+var_dump( str_replace("world'S", "FOUND", "$str'S") );
+var_dump( str_replace("worldS", "FOUND", "$strS") );
+
+/* String with curly braces, complex syntax */
+var_dump( str_replace("worldS", "FOUND", "${str}S") );
+var_dump( str_replace("worldS", "FOUND", "{$str}S") );
+
+
+fclose($resource1);
+closedir($resource2);
+
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+
+*** Testing Miscellaneous input data ***
+string(3) "qqq"
+int(5)
+array(3) {
+  [0]=>
+  string(3) "qqq"
+  [1]=>
+  string(0) ""
+  [2]=>
+  string(3) "ccc"
+}
+int(6)
+
+-- Testing objects --
+string(12) "Hello, world"
+int(1)
+
+-- Testing arrays --
+string(15) "multimultimulti"
+int(3)
+string(3) "qqq"
+int(3)
+array(2) {
+  [0]=>
+  string(3) "qqq"
+  [1]=>
+  string(3) "ccc"
+}
+int(6)
+str_replace(): Argument #2 ($replace) must be of type string when argument #1 ($search) is a string
+array(2) {
+  [0]=>
+  string(3) "111"
+  [1]=>
+  string(3) "bbb"
+}
+int(3)
+array(2) {
+  [0]=>
+  string(4) "aaa3"
+  [1]=>
+  string(4) "2bbb"
+}
+int(1)
+
+-- Testing Resources --
+str_replace(): Argument #3 ($subject) must be of type array|string, resource given
+str_replace(): Argument #3 ($subject) must be of type array|string, resource given
+
+-- Testing a longer and heredoc string --
+string(623) "FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+FOUNDghijklmnopqrstuvwxyz0123456789FOUNDghijklmnopqrstuvwxyz0123456789"
+int(16)
+
+-- Testing a heredoc null string --
+string(0) ""
+int(0)
+
+-- Testing simple and complex syntax strings --
+string(5) "FOUND"
+string(5) "FOUND"
+
+Warning: Undefined variable $strS in %s on line %d
+string(0) ""
+string(5) "FOUND"
+string(5) "FOUND"
diff --git a/tests/std/strings/str_rot13_basic.phpt b/tests/std/strings/str_rot13_basic.phpt
new file mode 100644
index 00000000..5a71a937
--- /dev/null
+++ b/tests/std/strings/str_rot13_basic.phpt
@@ -0,0 +1,49 @@
+--TEST--
+Test soundex() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing str_rot13() : basic functionality ***\n";
+
+echo "\nBasic tests\n";
+var_dump(str_rot13("str_rot13() tests starting"));
+var_dump(str_rot13("abcdefghijklmnopqrstuvwxyz"));
+
+echo "\nEnsure numeric characters are left untouched\n";
+if (strcmp(str_rot13("0123456789"), "0123456789") == 0) {
+    echo "Strings equal : TEST PASSED\n";
+} else {
+    echo "Strings unequal : TEST FAILED\n";
+}
+
+echo "\nEnsure non-alphabetic characters are left untouched\n";
+if (strcmp(str_rot13("!%^&*()_-+={}[]:;@~#<,>.?"), "!%^&*()_-+={}[]:;@~#<,>.?")) {
+    echo "Strings equal : TEST PASSED\n";
+} else {
+    echo "Strings unequal : TEST FAILED\n";
+}
+
+echo "\nEnsure strings round trip\n";
+$str = "str_rot13() tests starting";
+$encode = str_rot13($str);
+$decode = str_rot13($encode);
+if (strcmp($str, $decode) == 0) {
+    echo "Strings equal : TEST PASSED\n";
+} else {
+    echo "Strings unequal : TEST FAILED\n";
+}
+?>
+--EXPECT--
+*** Testing str_rot13() : basic functionality ***
+
+Basic tests
+string(26) "fge_ebg13() grfgf fgnegvat"
+string(26) "nopqrstuvwxyzabcdefghijklm"
+
+Ensure numeric characters are left untouched
+Strings equal : TEST PASSED
+
+Ensure non-alphabetic characters are left untouched
+Strings unequal : TEST FAILED
+
+Ensure strings round trip
+Strings equal : TEST PASSED
diff --git a/tests/std/strings/str_shuffle.phpt b/tests/std/strings/str_shuffle.phpt
new file mode 100644
index 00000000..f5122bc2
--- /dev/null
+++ b/tests/std/strings/str_shuffle.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Testing str_shuffle.
+--FILE--
+<?php
+$s = '123';
+var_dump(str_shuffle($s));
+var_dump($s);
+?>
+--EXPECTF--
+string(3) %s
+string(3) "123"
diff --git a/tests/std/strings/str_shuffle_basic.phpt b/tests/std/strings/str_shuffle_basic.phpt
new file mode 100644
index 00000000..d077b305
--- /dev/null
+++ b/tests/std/strings/str_shuffle_basic.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Test str_shuffle() function : basic functionality
+--FILE--
+<?php
+/*
+ * Testing str_shuffle() : basic functionality
+*/
+
+echo "*** Testing str_shuffle() : basic functionality ***\n";
+
+// Initialize all required variables
+$str = 'This testcase tests the str_shuffle() function.';
+var_dump(str_shuffle($str));
+
+
+// For a given i/p string ensure that all combinations are
+// generated given a reasonable sample of calls
+$a = array();
+$trys = 1000;
+$ip = 'abcd';
+$len_ip = strlen($ip);
+
+for ($i = 0; $i < $trys; $i++) {
+    $op = str_shuffle($ip);
+
+    if (!is_string($op) || strlen($op) != $len_ip) {
+        echo "TEST FAILED\n";
+    }
+
+    // Combination already hit ?
+    if (empty($a[$op])) {
+        // No first time init
+        $a[$op] = 0;
+    }
+
+    // Increment count for this combination
+    $a[$op]++;
+}
+
+$combinations = count($a);
+
+if ($combinations != 24) {
+    echo "TEST FAILED.. Only $combinations out of a possible 24 combinations used\n";
+} else {
+    echo "TEST PASSED\n";
+}
+
+?>
+--EXPECTF--
+*** Testing str_shuffle() : basic functionality ***
+string(47) "%s"
+TEST PASSED
diff --git a/tests/std/strings/str_split_basic.phpt b/tests/std/strings/str_split_basic.phpt
new file mode 100644
index 00000000..86bf2884
--- /dev/null
+++ b/tests/std/strings/str_split_basic.phpt
@@ -0,0 +1,93 @@
+--TEST--
+Test str_split() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing str_split() : basic functionality ***\n";
+
+// Initialise all required variables
+$str = 'This is basic testcase';
+$split_length = 5;
+
+// Calling str_split() with all possible arguments
+echo "-- With all possible arguments --\n";
+var_dump( str_split($str,$split_length) );
+
+// Calling str_split() with default arguments
+echo "-- With split_length as default argument --\n";
+var_dump( str_split($str) );
+
+echo "-- Empty string must always return empty array --\n";
+var_dump( str_split('') );
+var_dump( str_split('', 1) );
+var_dump( str_split('', 100) );
+
+?>
+--EXPECT--
+*** Testing str_split() : basic functionality ***
+-- With all possible arguments --
+array(5) {
+  [0]=>
+  string(5) "This "
+  [1]=>
+  string(5) "is ba"
+  [2]=>
+  string(5) "sic t"
+  [3]=>
+  string(5) "estca"
+  [4]=>
+  string(2) "se"
+}
+-- With split_length as default argument --
+array(22) {
+  [0]=>
+  string(1) "T"
+  [1]=>
+  string(1) "h"
+  [2]=>
+  string(1) "i"
+  [3]=>
+  string(1) "s"
+  [4]=>
+  string(1) " "
+  [5]=>
+  string(1) "i"
+  [6]=>
+  string(1) "s"
+  [7]=>
+  string(1) " "
+  [8]=>
+  string(1) "b"
+  [9]=>
+  string(1) "a"
+  [10]=>
+  string(1) "s"
+  [11]=>
+  string(1) "i"
+  [12]=>
+  string(1) "c"
+  [13]=>
+  string(1) " "
+  [14]=>
+  string(1) "t"
+  [15]=>
+  string(1) "e"
+  [16]=>
+  string(1) "s"
+  [17]=>
+  string(1) "t"
+  [18]=>
+  string(1) "c"
+  [19]=>
+  string(1) "a"
+  [20]=>
+  string(1) "s"
+  [21]=>
+  string(1) "e"
+}
+-- Empty string must always return empty array --
+array(0) {
+}
+array(0) {
+}
+array(0) {
+}
diff --git a/tests/std/strings/str_split_variation3.phpt b/tests/std/strings/str_split_variation3.phpt
new file mode 100644
index 00000000..d7f5434f
--- /dev/null
+++ b/tests/std/strings/str_split_variation3.phpt
@@ -0,0 +1,156 @@
+--TEST--
+Test str_split() function : usage variations - different double quoted strings for 'str' argument
+--FILE--
+<?php
+/*
+* passing different double quoted strings as 'str' argument to str_split()
+* split_length is set to 7
+*/
+
+echo "*** Testing str_split() : double quoted strings for 'str' ***\n";
+
+//Initialize variables
+$split_length = 7;
+
+// different values for 'str'
+$values = array(
+  "",  //empty
+  " ",  //space
+  "1234", //with only numbers
+  "simple string",  //regular string
+  "It's string with quote",  //string containing single quote
+  "string\tcontains\rwhite space\nchars",
+  "containing @ # $ % ^ & chars",
+  "with 1234 numbers",
+  "with \0 and ".chr(0)."null chars",  //for binary safe
+  "with    multiple     space char",
+  "Testing invalid \k and \m escape char",
+  "to check with \\n and \\t" //ignoring \n and \t results
+
+);
+
+//loop through each element of $values for 'str' argument
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration ".($count+1)." --\n";
+  var_dump( str_split($values[$count], $split_length) );
+}
+echo "Done";
+?>
+--EXPECTF--
+*** Testing str_split() : double quoted strings for 'str' ***
+-- Iteration 1 --
+array(0) {
+}
+-- Iteration 2 --
+array(1) {
+  [0]=>
+  string(1) " "
+}
+-- Iteration 3 --
+array(1) {
+  [0]=>
+  string(4) "1234"
+}
+-- Iteration 4 --
+array(2) {
+  [0]=>
+  string(7) "simple "
+  [1]=>
+  string(6) "string"
+}
+-- Iteration 5 --
+array(4) {
+  [0]=>
+  string(7) "It's st"
+  [1]=>
+  string(7) "ring wi"
+  [2]=>
+  string(7) "th quot"
+  [3]=>
+  string(1) "e"
+}
+-- Iteration 6 --
+array(5) {
+  [0]=>
+  string(7) "string	"
+  [1]=>
+  string(7) "contain"
+  [2]=>
+  string(7) "s
white"
+  [3]=>
+  string(7) " space
+"
+  [4]=>
+  string(5) "chars"
+}
+-- Iteration 7 --
+array(4) {
+  [0]=>
+  string(7) "contain"
+  [1]=>
+  string(7) "ing @ #"
+  [2]=>
+  string(7) " $ % ^ "
+  [3]=>
+  string(7) "& chars"
+}
+-- Iteration 8 --
+array(3) {
+  [0]=>
+  string(7) "with 12"
+  [1]=>
+  string(7) "34 numb"
+  [2]=>
+  string(3) "ers"
+}
+-- Iteration 9 --
+array(4) {
+  [0]=>
+  string(7) "with %0 "
+  [1]=>
+  string(7) "and %0nu"
+  [2]=>
+  string(7) "ll char"
+  [3]=>
+  string(1) "s"
+}
+-- Iteration 10 --
+array(5) {
+  [0]=>
+  string(7) "with   "
+  [1]=>
+  string(7) " multip"
+  [2]=>
+  string(7) "le     "
+  [3]=>
+  string(7) "space c"
+  [4]=>
+  string(3) "har"
+}
+-- Iteration 11 --
+array(6) {
+  [0]=>
+  string(7) "Testing"
+  [1]=>
+  string(7) " invali"
+  [2]=>
+  string(7) "d \k an"
+  [3]=>
+  string(7) "d \m es"
+  [4]=>
+  string(7) "cape ch"
+  [5]=>
+  string(2) "ar"
+}
+-- Iteration 12 --
+array(4) {
+  [0]=>
+  string(7) "to chec"
+  [1]=>
+  string(7) "k with "
+  [2]=>
+  string(7) "\n and "
+  [3]=>
+  string(2) "\t"
+}
+Done
diff --git a/tests/std/strings/str_split_variation4.phpt b/tests/std/strings/str_split_variation4.phpt
new file mode 100644
index 00000000..b4b5cdb9
--- /dev/null
+++ b/tests/std/strings/str_split_variation4.phpt
@@ -0,0 +1,186 @@
+--TEST--
+Test str_split() function : usage variations - different single quoted strings for 'str' argument
+--FILE--
+<?php
+/*
+* passing different single quoted strings as 'str' argument to str_split()
+* split_length is set to 5
+*/
+
+echo "*** Testing str_split() : single quoted strings for 'str' ***\n";
+
+//Initialize variables
+$split_length = 5;
+
+// different values for 'str'
+$values = array(
+  '',  //empty
+  ' ',  //space
+  '1234', //with only numbers
+  'simple string',  //regular string
+  'It\'s string with quote',  //string containing single quote
+  'string\tcontains\rwhite space\nchars',
+  'containing @ # $ % ^ & chars',
+  'with 1234 numbers',
+  'with \0 and ".chr(0)."null chars',  //for binary safe
+  'with    multiple     space char',
+  'Testing invalid \k and \m escape char',
+  'to check with \\n and \\t' //ignoring \n and \t results
+);
+
+//loop through each element of $values for 'str' argument
+for($count = 0; $count < count($values); $count++) {
+  echo "-- Iteration ".($count+1)." --\n";
+  var_dump( str_split($values[$count], $split_length) );
+}
+echo "Done";
+?>
+--EXPECT--
+*** Testing str_split() : single quoted strings for 'str' ***
+-- Iteration 1 --
+array(0) {
+}
+-- Iteration 2 --
+array(1) {
+  [0]=>
+  string(1) " "
+}
+-- Iteration 3 --
+array(1) {
+  [0]=>
+  string(4) "1234"
+}
+-- Iteration 4 --
+array(3) {
+  [0]=>
+  string(5) "simpl"
+  [1]=>
+  string(5) "e str"
+  [2]=>
+  string(3) "ing"
+}
+-- Iteration 5 --
+array(5) {
+  [0]=>
+  string(5) "It's "
+  [1]=>
+  string(5) "strin"
+  [2]=>
+  string(5) "g wit"
+  [3]=>
+  string(5) "h quo"
+  [4]=>
+  string(2) "te"
+}
+-- Iteration 6 --
+array(8) {
+  [0]=>
+  string(5) "strin"
+  [1]=>
+  string(5) "g\tco"
+  [2]=>
+  string(5) "ntain"
+  [3]=>
+  string(5) "s\rwh"
+  [4]=>
+  string(5) "ite s"
+  [5]=>
+  string(5) "pace\"
+  [6]=>
+  string(5) "nchar"
+  [7]=>
+  string(1) "s"
+}
+-- Iteration 7 --
+array(6) {
+  [0]=>
+  string(5) "conta"
+  [1]=>
+  string(5) "ining"
+  [2]=>
+  string(5) " @ # "
+  [3]=>
+  string(5) "$ % ^"
+  [4]=>
+  string(5) " & ch"
+  [5]=>
+  string(3) "ars"
+}
+-- Iteration 8 --
+array(4) {
+  [0]=>
+  string(5) "with "
+  [1]=>
+  string(5) "1234 "
+  [2]=>
+  string(5) "numbe"
+  [3]=>
+  string(2) "rs"
+}
+-- Iteration 9 --
+array(7) {
+  [0]=>
+  string(5) "with "
+  [1]=>
+  string(5) "\0 an"
+  [2]=>
+  string(5) "d ".c"
+  [3]=>
+  string(5) "hr(0)"
+  [4]=>
+  string(5) "."nul"
+  [5]=>
+  string(5) "l cha"
+  [6]=>
+  string(2) "rs"
+}
+-- Iteration 10 --
+array(7) {
+  [0]=>
+  string(5) "with "
+  [1]=>
+  string(5) "   mu"
+  [2]=>
+  string(5) "ltipl"
+  [3]=>
+  string(5) "e    "
+  [4]=>
+  string(5) " spac"
+  [5]=>
+  string(5) "e cha"
+  [6]=>
+  string(1) "r"
+}
+-- Iteration 11 --
+array(8) {
+  [0]=>
+  string(5) "Testi"
+  [1]=>
+  string(5) "ng in"
+  [2]=>
+  string(5) "valid"
+  [3]=>
+  string(5) " \k a"
+  [4]=>
+  string(5) "nd \m"
+  [5]=>
+  string(5) " esca"
+  [6]=>
+  string(5) "pe ch"
+  [7]=>
+  string(2) "ar"
+}
+-- Iteration 12 --
+array(5) {
+  [0]=>
+  string(5) "to ch"
+  [1]=>
+  string(5) "eck w"
+  [2]=>
+  string(5) "ith \"
+  [3]=>
+  string(5) "n and"
+  [4]=>
+  string(3) " \t"
+}
+Done
diff --git a/tests/std/strings/str_split_variation5.phpt b/tests/std/strings/str_split_variation5.phpt
new file mode 100644
index 00000000..b5fc9eb0
--- /dev/null
+++ b/tests/std/strings/str_split_variation5.phpt
@@ -0,0 +1,169 @@
+--TEST--
+Test str_split() function : usage variations - different heredoc strings as 'str' argument
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+* Passing different heredoc strings as 'str' argument to the str_split()
+* with 'split_length' 10
+*/
+
+echo "*** Testing str_split() : heredoc strings as 'str' argument ***\n";
+
+// Initializing required variables
+$split_length = 10;
+
+// Null heredoc string
+$heredoc_null = <<<EOT1
+EOT1;
+
+// heredoc string with single character
+$heredoc_char = <<<EOT2
+a
+EOT2;
+
+// simple heredoc string
+$heredoc_str = <<<EOT3
+This is simple heredoc string
+EOT3;
+
+// heredoc with special characters
+$heredoc_spchar = <<<EOT4
+This checks heredoc with $, %, &, chars
+EOT4;
+
+// blank heredoc string
+$heredoc_blank = <<<EOT5
+
+EOT5;
+
+// heredoc with different white space characters
+$heredoc_escchar = <<<EOT6
+This checks\t str_split()\nEscape\rchars
+EOT6;
+
+// heredoc with multiline
+$heredoc_multiline= <<<EOT7
+This is to check str_split
+function with multiline
+heredoc
+EOT7;
+
+// heredoc with quotes and slashes
+$heredoc_quote_slash = <<<EOT8
+"To check " in heredoc"
+I'm sure it'll work also with \
+which is single slash
+EOT8;
+
+//different heredoc strings for 'str'
+$heredoc_array = array(
+  $heredoc_null,
+  $heredoc_blank,
+  $heredoc_char,
+  $heredoc_str,
+  $heredoc_multiline,
+  $heredoc_spchar,
+  $heredoc_escchar,
+  $heredoc_quote_slash;
+);
+
+
+// loop through each element of the 'heredoc_array' for 'str'
+$count = 0;
+foreach($heredoc_array as $str) {
+  echo "-- Iteration ".($count+1). " --\n";
+  var_dump( str_split($str, $split_length) );
+  $count++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing str_split() : heredoc strings as 'str' argument ***
+-- Iteration 1 --
+array(0) {
+}
+-- Iteration 2 --
+array(0) {
+}
+-- Iteration 3 --
+array(1) {
+  [0]=>
+  string(1) "a"
+}
+-- Iteration 4 --
+array(3) {
+  [0]=>
+  string(10) "This is si"
+  [1]=>
+  string(10) "mple hered"
+  [2]=>
+  string(9) "oc string"
+}
+-- Iteration 5 --
+array(6) {
+  [0]=>
+  string(10) "This is to"
+  [1]=>
+  string(10) " check str"
+  [2]=>
+  string(10) "_split
+fun"
+  [3]=>
+  string(10) "ction with"
+  [4]=>
+  string(10) " multiline"
+  [5]=>
+  string(8) "
+heredoc"
+}
+-- Iteration 6 --
+array(4) {
+  [0]=>
+  string(10) "This check"
+  [1]=>
+  string(10) "s heredoc "
+  [2]=>
+  string(10) "with $, %,"
+  [3]=>
+  string(9) " &, chars"
+}
+-- Iteration 7 --
+array(4) {
+  [0]=>
+  string(10) "This check"
+  [1]=>
+  string(10) "s	 str_spl"
+  [2]=>
+  string(10) "it()
+Escap"
+  [3]=>
+  string(7) "e
+chars"
+}
+-- Iteration 8 --
+array(8) {
+  [0]=>
+  string(10) ""To check "
+  [1]=>
+  string(10) "" in hered"
+  [2]=>
+  string(10) "oc"
+I'm su"
+  [3]=>
+  string(10) "re it'll w"
+  [4]=>
+  string(10) "ork also w"
+  [5]=>
+  string(10) "ith \
+whic"
+  [6]=>
+  string(10) "h is singl"
+  [7]=>
+  string(7) "e slash"
+}
+Done
diff --git a/tests/std/strings/str_split_variation6.phpt b/tests/std/strings/str_split_variation6.phpt
new file mode 100644
index 00000000..a8c1bbf1
--- /dev/null
+++ b/tests/std/strings/str_split_variation6.phpt
@@ -0,0 +1,146 @@
+--TEST--
+Test str_split() function : usage variations - different integer values for 'split_length' argument
+--FILE--
+<?php
+/*
+* passing different integer values for 'split_length' argument to str_split()
+*/
+
+echo "*** Testing str_split() : different integer values for 'split_length' ***\n";
+//Initialise variables
+$str = 'This is a string with 123 & escape char \t';
+
+//different values for 'split_length'
+$values = array (
+  0,
+  1,
+  -123,  //negative integer
+  0234,  //octal number
+  0x1A,  //hexadecimal number
+  2147483647,  //max positive integer number
+  -2147483648,  //min negative integer
+);
+
+//loop through each element of $values for 'split_length'
+for($count = 0; $count < count($values); $count++) {
+    echo "-- Iteration ".($count + 1)." --\n";
+
+    try {
+        var_dump( str_split($str, $values[$count]) );
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+}
+?>
+--EXPECT--
+*** Testing str_split() : different integer values for 'split_length' ***
+-- Iteration 1 --
+str_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 2 --
+array(42) {
+  [0]=>
+  string(1) "T"
+  [1]=>
+  string(1) "h"
+  [2]=>
+  string(1) "i"
+  [3]=>
+  string(1) "s"
+  [4]=>
+  string(1) " "
+  [5]=>
+  string(1) "i"
+  [6]=>
+  string(1) "s"
+  [7]=>
+  string(1) " "
+  [8]=>
+  string(1) "a"
+  [9]=>
+  string(1) " "
+  [10]=>
+  string(1) "s"
+  [11]=>
+  string(1) "t"
+  [12]=>
+  string(1) "r"
+  [13]=>
+  string(1) "i"
+  [14]=>
+  string(1) "n"
+  [15]=>
+  string(1) "g"
+  [16]=>
+  string(1) " "
+  [17]=>
+  string(1) "w"
+  [18]=>
+  string(1) "i"
+  [19]=>
+  string(1) "t"
+  [20]=>
+  string(1) "h"
+  [21]=>
+  string(1) " "
+  [22]=>
+  string(1) "1"
+  [23]=>
+  string(1) "2"
+  [24]=>
+  string(1) "3"
+  [25]=>
+  string(1) " "
+  [26]=>
+  string(1) "&"
+  [27]=>
+  string(1) " "
+  [28]=>
+  string(1) "e"
+  [29]=>
+  string(1) "s"
+  [30]=>
+  string(1) "c"
+  [31]=>
+  string(1) "a"
+  [32]=>
+  string(1) "p"
+  [33]=>
+  string(1) "e"
+  [34]=>
+  string(1) " "
+  [35]=>
+  string(1) "c"
+  [36]=>
+  string(1) "h"
+  [37]=>
+  string(1) "a"
+  [38]=>
+  string(1) "r"
+  [39]=>
+  string(1) " "
+  [40]=>
+  string(1) "\"
+  [41]=>
+  string(1) "t"
+}
+-- Iteration 3 --
+str_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 4 --
+array(1) {
+  [0]=>
+  string(42) "This is a string with 123 & escape char \t"
+}
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  string(26) "This is a string with 123 "
+  [1]=>
+  string(16) "& escape char \t"
+}
+-- Iteration 6 --
+array(1) {
+  [0]=>
+  string(42) "This is a string with 123 & escape char \t"
+}
+-- Iteration 7 --
+str_split(): Argument #2 ($length) must be greater than 0
diff --git a/tests/std/strings/str_split_variation7.phpt b/tests/std/strings/str_split_variation7.phpt
new file mode 100644
index 00000000..17e802b2
--- /dev/null
+++ b/tests/std/strings/str_split_variation7.phpt
@@ -0,0 +1,124 @@
+--TEST--
+Test str_split() function : usage variations - different integer values for 'split_length' with heredoc 'str'
+--FILE--
+<?php
+/*
+* passing different integer values for 'split_length' and heredoc string as 'str' argument to str_split()
+*/
+
+echo "*** Testing str_split() : different integer values for 'split_length' with heredoc 'str' ***\n";
+//Initialise variables
+$str = <<<EOT
+string with 123,escape char \t.
+EOT;
+
+//different values for 'split_length'
+$values = array (
+  0,
+  1,
+  -123,  //negative integer
+  0234,  //octal number
+  0x1A,  //hexadecimal number
+  2147483647,  //max positive integer number
+  -2147483648,  //min negative integer
+);
+
+//loop through each element of $values for 'split_length'
+for($count = 0; $count < count($values); $count++) {
+    echo "-- Iteration ".($count + 1)." --\n";
+
+    try {
+        var_dump( str_split($str, $values[$count]) );
+    } catch (\ValueError $e) {
+        echo $e->getMessage() . "\n";
+    }
+}
+?>
+--EXPECT--
+*** Testing str_split() : different integer values for 'split_length' with heredoc 'str' ***
+-- Iteration 1 --
+str_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 2 --
+array(30) {
+  [0]=>
+  string(1) "s"
+  [1]=>
+  string(1) "t"
+  [2]=>
+  string(1) "r"
+  [3]=>
+  string(1) "i"
+  [4]=>
+  string(1) "n"
+  [5]=>
+  string(1) "g"
+  [6]=>
+  string(1) " "
+  [7]=>
+  string(1) "w"
+  [8]=>
+  string(1) "i"
+  [9]=>
+  string(1) "t"
+  [10]=>
+  string(1) "h"
+  [11]=>
+  string(1) " "
+  [12]=>
+  string(1) "1"
+  [13]=>
+  string(1) "2"
+  [14]=>
+  string(1) "3"
+  [15]=>
+  string(1) ","
+  [16]=>
+  string(1) "e"
+  [17]=>
+  string(1) "s"
+  [18]=>
+  string(1) "c"
+  [19]=>
+  string(1) "a"
+  [20]=>
+  string(1) "p"
+  [21]=>
+  string(1) "e"
+  [22]=>
+  string(1) " "
+  [23]=>
+  string(1) "c"
+  [24]=>
+  string(1) "h"
+  [25]=>
+  string(1) "a"
+  [26]=>
+  string(1) "r"
+  [27]=>
+  string(1) " "
+  [28]=>
+  string(1) "	"
+  [29]=>
+  string(1) "."
+}
+-- Iteration 3 --
+str_split(): Argument #2 ($length) must be greater than 0
+-- Iteration 4 --
+array(1) {
+  [0]=>
+  string(30) "string with 123,escape char 	."
+}
+-- Iteration 5 --
+array(2) {
+  [0]=>
+  string(26) "string with 123,escape cha"
+  [1]=>
+  string(4) "r 	."
+}
+-- Iteration 6 --
+array(1) {
+  [0]=>
+  string(30) "string with 123,escape char 	."
+}
+-- Iteration 7 --
+str_split(): Argument #2 ($length) must be greater than 0
diff --git a/tests/std/strings/str_starts_with.phpt b/tests/std/strings/str_starts_with.phpt
new file mode 100644
index 00000000..552b2983
--- /dev/null
+++ b/tests/std/strings/str_starts_with.phpt
@@ -0,0 +1,41 @@
+--TEST--
+str_starts_with() function - unit tests for str_starts_with()
+--FILE--
+<?php
+$testStr = "beginningMiddleEnd";
+var_dump(str_starts_with($testStr, "beginning"));
+var_dump(str_starts_with($testStr, "Beginning"));
+var_dump(str_starts_with($testStr, "eginning"));
+var_dump(str_starts_with($testStr, $testStr));
+var_dump(str_starts_with($testStr, $testStr.$testStr));
+var_dump(str_starts_with($testStr, ""));
+var_dump(str_starts_with("", ""));
+var_dump(str_starts_with("", " "));
+var_dump(str_starts_with($testStr, "\x00"));
+var_dump(str_starts_with("\x00", ""));
+var_dump(str_starts_with("\x00", "\x00"));
+var_dump(str_starts_with("\x00a", "\x00"));
+var_dump(str_starts_with("a\x00bc", "a\x00b"));
+var_dump(str_starts_with("a\x00b", "a\x00d"));
+var_dump(str_starts_with("a\x00b", "z\x00b"));
+var_dump(str_starts_with("a", "a\x00"));
+var_dump(str_starts_with("a", "\x00a"));
+?>
+--EXPECT--
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(false)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
diff --git a/tests/std/strings/str_word_count.phpt b/tests/std/strings/str_word_count.phpt
new file mode 100644
index 00000000..a3cc752d
--- /dev/null
+++ b/tests/std/strings/str_word_count.phpt
@@ -0,0 +1,235 @@
+--TEST--
+str_word_count()
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$str = "Hello friend, you're
+    looking          good today!";
+$b =& $str;
+var_dump(str_word_count($str, 1));
+var_dump(str_word_count($str, 2));
+var_dump(str_word_count($str));
+
+try {
+    var_dump(str_word_count($str, 3));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+try {
+    var_dump(str_word_count($str, 123));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+try {
+    var_dump(str_word_count($str, -1));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+try {
+    var_dump(str_word_count($str, 999999999));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+var_dump($str);
+
+$str2 = "F0o B4r 1s bar foo";
+var_dump(str_word_count($str2, 0, "04"));
+var_dump(str_word_count($str2, 0, "01"));
+var_dump(str_word_count($str2, 0, "014"));
+var_dump(str_word_count($str2, 0, ""));
+var_dump(str_word_count($str2, 1, "04"));
+var_dump(str_word_count($str2, 1, "01"));
+var_dump(str_word_count($str2, 1, "014"));
+var_dump(str_word_count($str2, 1, ""));
+var_dump(str_word_count($str2, 2, "04"));
+var_dump(str_word_count($str2, 2, "01"));
+var_dump(str_word_count($str2, 2, "014"));
+var_dump(str_word_count($str2, 2, ""));
+var_dump(str_word_count("foo'0 bar-0var", 2, "0"));
+var_dump(str_word_count("'foo'", 2));
+var_dump(str_word_count("'foo'", 2, "'"));
+var_dump(str_word_count("-foo-", 2));
+var_dump(str_word_count("-foo-", 2, "-"));
+
+?>
+
+DONE
+--EXPECT--
+array(6) {
+  [0]=>
+  string(5) "Hello"
+  [1]=>
+  string(6) "friend"
+  [2]=>
+  string(6) "you're"
+  [3]=>
+  string(7) "looking"
+  [4]=>
+  string(4) "good"
+  [5]=>
+  string(5) "today"
+}
+array(6) {
+  [0]=>
+  string(5) "Hello"
+  [6]=>
+  string(6) "friend"
+  [14]=>
+  string(6) "you're"
+  [25]=>
+  string(7) "looking"
+  [42]=>
+  string(4) "good"
+  [47]=>
+  string(5) "today"
+}
+int(6)
+str_word_count(): Argument #2 ($format) must be a valid format value
+str_word_count(): Argument #2 ($format) must be a valid format value
+str_word_count(): Argument #2 ($format) must be a valid format value
+str_word_count(): Argument #2 ($format) must be a valid format value
+string(53) "Hello friend, you're
+    looking          good today!"
+int(5)
+int(6)
+int(5)
+int(7)
+array(5) {
+  [0]=>
+  string(3) "F0o"
+  [1]=>
+  string(3) "B4r"
+  [2]=>
+  string(1) "s"
+  [3]=>
+  string(3) "bar"
+  [4]=>
+  string(3) "foo"
+}
+array(6) {
+  [0]=>
+  string(3) "F0o"
+  [1]=>
+  string(1) "B"
+  [2]=>
+  string(1) "r"
+  [3]=>
+  string(2) "1s"
+  [4]=>
+  string(3) "bar"
+  [5]=>
+  string(3) "foo"
+}
+array(5) {
+  [0]=>
+  string(3) "F0o"
+  [1]=>
+  string(3) "B4r"
+  [2]=>
+  string(2) "1s"
+  [3]=>
+  string(3) "bar"
+  [4]=>
+  string(3) "foo"
+}
+array(7) {
+  [0]=>
+  string(1) "F"
+  [1]=>
+  string(1) "o"
+  [2]=>
+  string(1) "B"
+  [3]=>
+  string(1) "r"
+  [4]=>
+  string(1) "s"
+  [5]=>
+  string(3) "bar"
+  [6]=>
+  string(3) "foo"
+}
+array(5) {
+  [0]=>
+  string(3) "F0o"
+  [4]=>
+  string(3) "B4r"
+  [9]=>
+  string(1) "s"
+  [11]=>
+  string(3) "bar"
+  [15]=>
+  string(3) "foo"
+}
+array(6) {
+  [0]=>
+  string(3) "F0o"
+  [4]=>
+  string(1) "B"
+  [6]=>
+  string(1) "r"
+  [8]=>
+  string(2) "1s"
+  [11]=>
+  string(3) "bar"
+  [15]=>
+  string(3) "foo"
+}
+array(5) {
+  [0]=>
+  string(3) "F0o"
+  [4]=>
+  string(3) "B4r"
+  [8]=>
+  string(2) "1s"
+  [11]=>
+  string(3) "bar"
+  [15]=>
+  string(3) "foo"
+}
+array(7) {
+  [0]=>
+  string(1) "F"
+  [2]=>
+  string(1) "o"
+  [4]=>
+  string(1) "B"
+  [6]=>
+  string(1) "r"
+  [9]=>
+  string(1) "s"
+  [11]=>
+  string(3) "bar"
+  [15]=>
+  string(3) "foo"
+}
+array(2) {
+  [0]=>
+  string(5) "foo'0"
+  [6]=>
+  string(8) "bar-0var"
+}
+array(1) {
+  [1]=>
+  string(4) "foo'"
+}
+array(1) {
+  [0]=>
+  string(5) "'foo'"
+}
+array(1) {
+  [1]=>
+  string(3) "foo"
+}
+array(1) {
+  [0]=>
+  string(5) "-foo-"
+}
+
+DONE
diff --git a/tests/std/strings/str_word_count1.phpt b/tests/std/strings/str_word_count1.phpt
new file mode 100644
index 00000000..2a488865
--- /dev/null
+++ b/tests/std/strings/str_word_count1.phpt
@@ -0,0 +1,34 @@
+--TEST--
+str_word_count() and invalid arguments
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump(str_word_count(""));
+
+try {
+    var_dump(str_word_count("", -1));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+try {
+    var_dump(str_word_count("", -1, $a));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+var_dump($a);
+?>
+--EXPECTF--
+int(0)
+str_word_count(): Argument #2 ($format) must be a valid format value
+
+Warning: Undefined variable $a in %s on line %d
+str_word_count(): Argument #2 ($format) must be a valid format value
+
+Warning: Undefined variable $a in %s on line %d
+NULL
diff --git a/tests/std/strings/strcasecmp.phpt b/tests/std/strings/strcasecmp.phpt
new file mode 100644
index 00000000..4d597812
--- /dev/null
+++ b/tests/std/strings/strcasecmp.phpt
@@ -0,0 +1,565 @@
+--TEST--
+strcasecmp() function
+--SKIPIF--
+<?php
+echo 'skip AOT cannot auto-wrap code with inner function/class declarations';
+?>
+--INI--
+precision = 12
+--FILE--
+<?php
+/* Compares two strings in case-insensitive manner */
+
+echo "#### Basic and Possible operations ####";
+/* creating an array of strings to be compared */
+$arrays = array(
+           array("a", 'A', chr(128), chr(255), chr(0)),
+           array("acc", "Acc", 'aC', "acCc", 'acd', "?acc", 'Acc!', "$!acc", ";acc"),
+           array("1", "0", 0, "-1", -1, "", TRUE, true, FALSE, "string"),
+           array(10.5, 1.5, 9.5, 11.5, 100.5, 10.5E1, -10.5, 10, 0.5)
+          );
+
+/* loop through to go each and every element in an array
+    and comparing the elements with one and other */
+foreach($arrays as $str1_arr){
+  echo "\n*** comparing the strings in an \n";
+  print_r($str1_arr);
+  for ($i=0; $i<count($str1_arr); $i++){
+    echo "\nIteration $i\n";
+    for($j=0; $j<count($str1_arr); $j++){
+      echo "- strcasecmp of '$str1_arr[$i]' and '$str1_arr[$j]' is => ";
+      var_dump(strcasecmp($str1_arr[$i], $str1_arr[$j]));
+    }
+  }
+}
+
+
+
+echo "\n#### Testing miscellaneous inputs ####\n";
+
+echo "--- Testing objects ---\n";
+/* we get "Recoverable fatal error: saying Object of class could not be converted
+   to string" by default when an object is passed instead of string.
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class string1 {
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_string1 = new string1;
+
+class string2 {
+  function __toString() {
+    return "hello, world\0";
+  }
+}
+$obj_string2 = new string2;
+
+var_dump(strcasecmp("$obj_string1", "$obj_string2"));
+
+
+echo "\n--- Testing arrays ---\n";
+$str_arr = array("hello", "?world", "!$%**()%**[][[[&@#~!");
+var_dump(strcasecmp("hello?world,!$%**()%**[][[[&@#~!", "$str_arr[1]"));
+var_dump(strcasecmp("hello?world,!$%**()%**[][[[&@#~!", "$str_arr[2]"));
+
+
+echo "\n--- Testing a longer and heredoc string ---\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(strcasecmp($string, $string));
+var_dump(strcasecmp($string, "xyz0123456789"));
+var_dump(strcasecmp($string, "&&&"));
+
+echo "\n--- Testing a heredoc null string ---\n";
+$str = <<<EOD
+EOD;
+var_dump(strcasecmp($str, "\0"));
+var_dump(strcasecmp($str, "0"));
+
+
+echo "\n--- Testing simple and complex syntax strings ---\n";
+$str = 'world';
+
+/* Simple syntax */
+var_dump(strcasecmp("Hello, world", "$str"));
+var_dump(strcasecmp("Hello, world'S", "$str'S"));
+var_dump(strcasecmp("Hello, worldS", "$strS"));
+
+/* String with curly braces, complex syntax */
+var_dump(strcasecmp("Hello, worldS", "${str}S"));
+var_dump(strcasecmp("Hello, worldS", "{$str}S"));
+
+echo "\n--- Testing binary safe and binary chars ---\n";
+var_dump(strcasecmp("Hello\0world", "Hello"));
+var_dump(strcasecmp("Hello\0world", "Helloworld"));
+var_dump(strcasecmp("\x0", "\0"));
+var_dump(strcasecmp("\000", "\0"));
+var_dump(strcasecmp("\x00", ""));
+
+echo "\n--- Comparing long float values ---\n";
+/* Here two different outputs, which depends on the rounding value
+   before converting to string. Here Precision = 12  */
+var_dump(strcasecmp(10.55555555555555555555555555, 10.5555555556));   // int(0)
+var_dump(strcasecmp(10.55555555555555555555555555, 10.555555556));    // int(-1)
+var_dump(strcasecmp(10.55555555595555555555555555, 10.555555556));    // int(0)
+
+echo "Done\n";
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+#### Basic and Possible operations ####
+*** comparing the strings in an 
+Array
+(
+    [0] => a
+    [1] => A
+    [2] => €
+    [3] => ÿ
+    [4] => %0
+)
+
+Iteration 0
+- strcasecmp of 'a' and 'a' is => int(0)
+- strcasecmp of 'a' and 'A' is => int(0)
+- strcasecmp of 'a' and '€' is => int(-%d)
+- strcasecmp of 'a' and 'ÿ' is => int(-%d)
+- strcasecmp of 'a' and '%0' is => int(%d)
+
+Iteration 1
+- strcasecmp of 'A' and 'a' is => int(0)
+- strcasecmp of 'A' and 'A' is => int(0)
+- strcasecmp of 'A' and '€' is => int(-%d)
+- strcasecmp of 'A' and 'ÿ' is => int(-%d)
+- strcasecmp of 'A' and '%0' is => int(%d)
+
+Iteration 2
+- strcasecmp of '€' and 'a' is => int(%d)
+- strcasecmp of '€' and 'A' is => int(%d)
+- strcasecmp of '€' and '€' is => int(0)
+- strcasecmp of '€' and 'ÿ' is => int(-%d)
+- strcasecmp of '€' and '%0' is => int(%d)
+
+Iteration 3
+- strcasecmp of 'ÿ' and 'a' is => int(%d)
+- strcasecmp of 'ÿ' and 'A' is => int(%d)
+- strcasecmp of 'ÿ' and '€' is => int(%d)
+- strcasecmp of 'ÿ' and 'ÿ' is => int(0)
+- strcasecmp of 'ÿ' and '%0' is => int(%d)
+
+Iteration 4
+- strcasecmp of '%0' and 'a' is => int(-%d)
+- strcasecmp of '%0' and 'A' is => int(-%d)
+- strcasecmp of '%0' and '€' is => int(-%d)
+- strcasecmp of '%0' and 'ÿ' is => int(-%d)
+- strcasecmp of '%0' and '%0' is => int(0)
+
+*** comparing the strings in an 
+Array
+(
+    [0] => acc
+    [1] => Acc
+    [2] => aC
+    [3] => acCc
+    [4] => acd
+    [5] => ?acc
+    [6] => Acc!
+    [7] => $!acc
+    [8] => ;acc
+)
+
+Iteration 0
+- strcasecmp of 'acc' and 'acc' is => int(0)
+- strcasecmp of 'acc' and 'Acc' is => int(0)
+- strcasecmp of 'acc' and 'aC' is => int(%d)
+- strcasecmp of 'acc' and 'acCc' is => int(-%d)
+- strcasecmp of 'acc' and 'acd' is => int(-%d)
+- strcasecmp of 'acc' and '?acc' is => int(%d)
+- strcasecmp of 'acc' and 'Acc!' is => int(-%d)
+- strcasecmp of 'acc' and '$!acc' is => int(%d)
+- strcasecmp of 'acc' and ';acc' is => int(%d)
+
+Iteration 1
+- strcasecmp of 'Acc' and 'acc' is => int(0)
+- strcasecmp of 'Acc' and 'Acc' is => int(0)
+- strcasecmp of 'Acc' and 'aC' is => int(%d)
+- strcasecmp of 'Acc' and 'acCc' is => int(-%d)
+- strcasecmp of 'Acc' and 'acd' is => int(-%d)
+- strcasecmp of 'Acc' and '?acc' is => int(%d)
+- strcasecmp of 'Acc' and 'Acc!' is => int(-%d)
+- strcasecmp of 'Acc' and '$!acc' is => int(%d)
+- strcasecmp of 'Acc' and ';acc' is => int(%d)
+
+Iteration 2
+- strcasecmp of 'aC' and 'acc' is => int(-%d)
+- strcasecmp of 'aC' and 'Acc' is => int(-%d)
+- strcasecmp of 'aC' and 'aC' is => int(0)
+- strcasecmp of 'aC' and 'acCc' is => int(-%d)
+- strcasecmp of 'aC' and 'acd' is => int(-%d)
+- strcasecmp of 'aC' and '?acc' is => int(%d)
+- strcasecmp of 'aC' and 'Acc!' is => int(-%d)
+- strcasecmp of 'aC' and '$!acc' is => int(%d)
+- strcasecmp of 'aC' and ';acc' is => int(%d)
+
+Iteration 3
+- strcasecmp of 'acCc' and 'acc' is => int(%d)
+- strcasecmp of 'acCc' and 'Acc' is => int(%d)
+- strcasecmp of 'acCc' and 'aC' is => int(%d)
+- strcasecmp of 'acCc' and 'acCc' is => int(0)
+- strcasecmp of 'acCc' and 'acd' is => int(-%d)
+- strcasecmp of 'acCc' and '?acc' is => int(%d)
+- strcasecmp of 'acCc' and 'Acc!' is => int(%d)
+- strcasecmp of 'acCc' and '$!acc' is => int(%d)
+- strcasecmp of 'acCc' and ';acc' is => int(%d)
+
+Iteration 4
+- strcasecmp of 'acd' and 'acc' is => int(%d)
+- strcasecmp of 'acd' and 'Acc' is => int(%d)
+- strcasecmp of 'acd' and 'aC' is => int(%d)
+- strcasecmp of 'acd' and 'acCc' is => int(%d)
+- strcasecmp of 'acd' and 'acd' is => int(0)
+- strcasecmp of 'acd' and '?acc' is => int(%d)
+- strcasecmp of 'acd' and 'Acc!' is => int(%d)
+- strcasecmp of 'acd' and '$!acc' is => int(%d)
+- strcasecmp of 'acd' and ';acc' is => int(%d)
+
+Iteration 5
+- strcasecmp of '?acc' and 'acc' is => int(-%d)
+- strcasecmp of '?acc' and 'Acc' is => int(-%d)
+- strcasecmp of '?acc' and 'aC' is => int(-%d)
+- strcasecmp of '?acc' and 'acCc' is => int(-%d)
+- strcasecmp of '?acc' and 'acd' is => int(-%d)
+- strcasecmp of '?acc' and '?acc' is => int(0)
+- strcasecmp of '?acc' and 'Acc!' is => int(-%d)
+- strcasecmp of '?acc' and '$!acc' is => int(%d)
+- strcasecmp of '?acc' and ';acc' is => int(%d)
+
+Iteration 6
+- strcasecmp of 'Acc!' and 'acc' is => int(%d)
+- strcasecmp of 'Acc!' and 'Acc' is => int(%d)
+- strcasecmp of 'Acc!' and 'aC' is => int(%d)
+- strcasecmp of 'Acc!' and 'acCc' is => int(-%d)
+- strcasecmp of 'Acc!' and 'acd' is => int(-%d)
+- strcasecmp of 'Acc!' and '?acc' is => int(%d)
+- strcasecmp of 'Acc!' and 'Acc!' is => int(0)
+- strcasecmp of 'Acc!' and '$!acc' is => int(%d)
+- strcasecmp of 'Acc!' and ';acc' is => int(%d)
+
+Iteration 7
+- strcasecmp of '$!acc' and 'acc' is => int(-%d)
+- strcasecmp of '$!acc' and 'Acc' is => int(-%d)
+- strcasecmp of '$!acc' and 'aC' is => int(-%d)
+- strcasecmp of '$!acc' and 'acCc' is => int(-%d)
+- strcasecmp of '$!acc' and 'acd' is => int(-%d)
+- strcasecmp of '$!acc' and '?acc' is => int(-%d)
+- strcasecmp of '$!acc' and 'Acc!' is => int(-%d)
+- strcasecmp of '$!acc' and '$!acc' is => int(0)
+- strcasecmp of '$!acc' and ';acc' is => int(-%d)
+
+Iteration 8
+- strcasecmp of ';acc' and 'acc' is => int(-%d)
+- strcasecmp of ';acc' and 'Acc' is => int(-%d)
+- strcasecmp of ';acc' and 'aC' is => int(-%d)
+- strcasecmp of ';acc' and 'acCc' is => int(-%d)
+- strcasecmp of ';acc' and 'acd' is => int(-%d)
+- strcasecmp of ';acc' and '?acc' is => int(-%d)
+- strcasecmp of ';acc' and 'Acc!' is => int(-%d)
+- strcasecmp of ';acc' and '$!acc' is => int(%d)
+- strcasecmp of ';acc' and ';acc' is => int(0)
+
+*** comparing the strings in an 
+Array
+(
+    [0] => 1
+    [1] => 0
+    [2] => 0
+    [3] => -1
+    [4] => -1
+    [5] => 
+    [6] => 1
+    [7] => 1
+    [8] => 
+    [9] => string
+)
+
+Iteration 0
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '0' is => int(%d)
+- strcasecmp of '1' and '0' is => int(%d)
+- strcasecmp of '1' and '-1' is => int(%d)
+- strcasecmp of '1' and '-1' is => int(%d)
+- strcasecmp of '1' and '' is => int(%d)
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '' is => int(%d)
+- strcasecmp of '1' and 'string' is => int(-%d)
+
+Iteration 1
+- strcasecmp of '0' and '1' is => int(-%d)
+- strcasecmp of '0' and '0' is => int(0)
+- strcasecmp of '0' and '0' is => int(0)
+- strcasecmp of '0' and '-1' is => int(%d)
+- strcasecmp of '0' and '-1' is => int(%d)
+- strcasecmp of '0' and '' is => int(%d)
+- strcasecmp of '0' and '1' is => int(-%d)
+- strcasecmp of '0' and '1' is => int(-%d)
+- strcasecmp of '0' and '' is => int(%d)
+- strcasecmp of '0' and 'string' is => int(-%d)
+
+Iteration 2
+- strcasecmp of '0' and '1' is => int(-%d)
+- strcasecmp of '0' and '0' is => int(0)
+- strcasecmp of '0' and '0' is => int(0)
+- strcasecmp of '0' and '-1' is => int(%d)
+- strcasecmp of '0' and '-1' is => int(%d)
+- strcasecmp of '0' and '' is => int(%d)
+- strcasecmp of '0' and '1' is => int(-%d)
+- strcasecmp of '0' and '1' is => int(-%d)
+- strcasecmp of '0' and '' is => int(%d)
+- strcasecmp of '0' and 'string' is => int(-%d)
+
+Iteration 3
+- strcasecmp of '-1' and '1' is => int(-%d)
+- strcasecmp of '-1' and '0' is => int(-%d)
+- strcasecmp of '-1' and '0' is => int(-%d)
+- strcasecmp of '-1' and '-1' is => int(0)
+- strcasecmp of '-1' and '-1' is => int(0)
+- strcasecmp of '-1' and '' is => int(%d)
+- strcasecmp of '-1' and '1' is => int(-%d)
+- strcasecmp of '-1' and '1' is => int(-%d)
+- strcasecmp of '-1' and '' is => int(%d)
+- strcasecmp of '-1' and 'string' is => int(-%d)
+
+Iteration 4
+- strcasecmp of '-1' and '1' is => int(-%d)
+- strcasecmp of '-1' and '0' is => int(-%d)
+- strcasecmp of '-1' and '0' is => int(-%d)
+- strcasecmp of '-1' and '-1' is => int(0)
+- strcasecmp of '-1' and '-1' is => int(0)
+- strcasecmp of '-1' and '' is => int(%d)
+- strcasecmp of '-1' and '1' is => int(-%d)
+- strcasecmp of '-1' and '1' is => int(-%d)
+- strcasecmp of '-1' and '' is => int(%d)
+- strcasecmp of '-1' and 'string' is => int(-%d)
+
+Iteration 5
+- strcasecmp of '' and '1' is => int(-%d)
+- strcasecmp of '' and '0' is => int(-%d)
+- strcasecmp of '' and '0' is => int(-%d)
+- strcasecmp of '' and '-1' is => int(-%d)
+- strcasecmp of '' and '-1' is => int(-%d)
+- strcasecmp of '' and '' is => int(0)
+- strcasecmp of '' and '1' is => int(-%d)
+- strcasecmp of '' and '1' is => int(-%d)
+- strcasecmp of '' and '' is => int(0)
+- strcasecmp of '' and 'string' is => int(-%d)
+
+Iteration 6
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '0' is => int(%d)
+- strcasecmp of '1' and '0' is => int(%d)
+- strcasecmp of '1' and '-1' is => int(%d)
+- strcasecmp of '1' and '-1' is => int(%d)
+- strcasecmp of '1' and '' is => int(%d)
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '' is => int(%d)
+- strcasecmp of '1' and 'string' is => int(-%d)
+
+Iteration 7
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '0' is => int(%d)
+- strcasecmp of '1' and '0' is => int(%d)
+- strcasecmp of '1' and '-1' is => int(%d)
+- strcasecmp of '1' and '-1' is => int(%d)
+- strcasecmp of '1' and '' is => int(%d)
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '1' is => int(0)
+- strcasecmp of '1' and '' is => int(%d)
+- strcasecmp of '1' and 'string' is => int(-%d)
+
+Iteration 8
+- strcasecmp of '' and '1' is => int(-%d)
+- strcasecmp of '' and '0' is => int(-%d)
+- strcasecmp of '' and '0' is => int(-%d)
+- strcasecmp of '' and '-1' is => int(-%d)
+- strcasecmp of '' and '-1' is => int(-%d)
+- strcasecmp of '' and '' is => int(0)
+- strcasecmp of '' and '1' is => int(-%d)
+- strcasecmp of '' and '1' is => int(-%d)
+- strcasecmp of '' and '' is => int(0)
+- strcasecmp of '' and 'string' is => int(-%d)
+
+Iteration 9
+- strcasecmp of 'string' and '1' is => int(%d)
+- strcasecmp of 'string' and '0' is => int(%d)
+- strcasecmp of 'string' and '0' is => int(%d)
+- strcasecmp of 'string' and '-1' is => int(%d)
+- strcasecmp of 'string' and '-1' is => int(%d)
+- strcasecmp of 'string' and '' is => int(%d)
+- strcasecmp of 'string' and '1' is => int(%d)
+- strcasecmp of 'string' and '1' is => int(%d)
+- strcasecmp of 'string' and '' is => int(%d)
+- strcasecmp of 'string' and 'string' is => int(0)
+
+*** comparing the strings in an 
+Array
+(
+    [0] => 10.5
+    [1] => 1.5
+    [2] => 9.5
+    [3] => 11.5
+    [4] => 100.5
+    [5] => 105
+    [6] => -10.5
+    [7] => 10
+    [8] => 0.5
+)
+
+Iteration 0
+- strcasecmp of '10.5' and '10.5' is => int(0)
+- strcasecmp of '10.5' and '1.5' is => int(%d)
+- strcasecmp of '10.5' and '9.5' is => int(-%d)
+- strcasecmp of '10.5' and '11.5' is => int(-%d)
+- strcasecmp of '10.5' and '100.5' is => int(-%d)
+- strcasecmp of '10.5' and '105' is => int(-%d)
+- strcasecmp of '10.5' and '-10.5' is => int(%d)
+- strcasecmp of '10.5' and '10' is => int(%d)
+- strcasecmp of '10.5' and '0.5' is => int(%d)
+
+Iteration 1
+- strcasecmp of '1.5' and '10.5' is => int(-%d)
+- strcasecmp of '1.5' and '1.5' is => int(0)
+- strcasecmp of '1.5' and '9.5' is => int(-%d)
+- strcasecmp of '1.5' and '11.5' is => int(-%d)
+- strcasecmp of '1.5' and '100.5' is => int(-%d)
+- strcasecmp of '1.5' and '105' is => int(-%d)
+- strcasecmp of '1.5' and '-10.5' is => int(%d)
+- strcasecmp of '1.5' and '10' is => int(-%d)
+- strcasecmp of '1.5' and '0.5' is => int(%d)
+
+Iteration 2
+- strcasecmp of '9.5' and '10.5' is => int(%d)
+- strcasecmp of '9.5' and '1.5' is => int(%d)
+- strcasecmp of '9.5' and '9.5' is => int(0)
+- strcasecmp of '9.5' and '11.5' is => int(%d)
+- strcasecmp of '9.5' and '100.5' is => int(%d)
+- strcasecmp of '9.5' and '105' is => int(%d)
+- strcasecmp of '9.5' and '-10.5' is => int(%d)
+- strcasecmp of '9.5' and '10' is => int(%d)
+- strcasecmp of '9.5' and '0.5' is => int(%d)
+
+Iteration 3
+- strcasecmp of '11.5' and '10.5' is => int(%d)
+- strcasecmp of '11.5' and '1.5' is => int(%d)
+- strcasecmp of '11.5' and '9.5' is => int(-%d)
+- strcasecmp of '11.5' and '11.5' is => int(0)
+- strcasecmp of '11.5' and '100.5' is => int(%d)
+- strcasecmp of '11.5' and '105' is => int(%d)
+- strcasecmp of '11.5' and '-10.5' is => int(%d)
+- strcasecmp of '11.5' and '10' is => int(%d)
+- strcasecmp of '11.5' and '0.5' is => int(%d)
+
+Iteration 4
+- strcasecmp of '100.5' and '10.5' is => int(%d)
+- strcasecmp of '100.5' and '1.5' is => int(%d)
+- strcasecmp of '100.5' and '9.5' is => int(-%d)
+- strcasecmp of '100.5' and '11.5' is => int(-%d)
+- strcasecmp of '100.5' and '100.5' is => int(0)
+- strcasecmp of '100.5' and '105' is => int(-%d)
+- strcasecmp of '100.5' and '-10.5' is => int(%d)
+- strcasecmp of '100.5' and '10' is => int(%d)
+- strcasecmp of '100.5' and '0.5' is => int(%d)
+
+Iteration 5
+- strcasecmp of '105' and '10.5' is => int(%d)
+- strcasecmp of '105' and '1.5' is => int(%d)
+- strcasecmp of '105' and '9.5' is => int(-%d)
+- strcasecmp of '105' and '11.5' is => int(-%d)
+- strcasecmp of '105' and '100.5' is => int(%d)
+- strcasecmp of '105' and '105' is => int(0)
+- strcasecmp of '105' and '-10.5' is => int(%d)
+- strcasecmp of '105' and '10' is => int(%d)
+- strcasecmp of '105' and '0.5' is => int(%d)
+
+Iteration 6
+- strcasecmp of '-10.5' and '10.5' is => int(-%d)
+- strcasecmp of '-10.5' and '1.5' is => int(-%d)
+- strcasecmp of '-10.5' and '9.5' is => int(-%d)
+- strcasecmp of '-10.5' and '11.5' is => int(-%d)
+- strcasecmp of '-10.5' and '100.5' is => int(-%d)
+- strcasecmp of '-10.5' and '105' is => int(-%d)
+- strcasecmp of '-10.5' and '-10.5' is => int(0)
+- strcasecmp of '-10.5' and '10' is => int(-%d)
+- strcasecmp of '-10.5' and '0.5' is => int(-%d)
+
+Iteration 7
+- strcasecmp of '10' and '10.5' is => int(-%d)
+- strcasecmp of '10' and '1.5' is => int(%d)
+- strcasecmp of '10' and '9.5' is => int(-%d)
+- strcasecmp of '10' and '11.5' is => int(-%d)
+- strcasecmp of '10' and '100.5' is => int(-%d)
+- strcasecmp of '10' and '105' is => int(-%d)
+- strcasecmp of '10' and '-10.5' is => int(%d)
+- strcasecmp of '10' and '10' is => int(0)
+- strcasecmp of '10' and '0.5' is => int(%d)
+
+Iteration 8
+- strcasecmp of '0.5' and '10.5' is => int(-%d)
+- strcasecmp of '0.5' and '1.5' is => int(-%d)
+- strcasecmp of '0.5' and '9.5' is => int(-%d)
+- strcasecmp of '0.5' and '11.5' is => int(-%d)
+- strcasecmp of '0.5' and '100.5' is => int(-%d)
+- strcasecmp of '0.5' and '105' is => int(-%d)
+- strcasecmp of '0.5' and '-10.5' is => int(%d)
+- strcasecmp of '0.5' and '10' is => int(-%d)
+- strcasecmp of '0.5' and '0.5' is => int(0)
+
+#### Testing miscellaneous inputs ####
+--- Testing objects ---
+int(-%d)
+
+--- Testing arrays ---
+int(%d)
+int(%d)
+
+--- Testing a longer and heredoc string ---
+int(0)
+int(-%d)
+int(%d)
+
+--- Testing a heredoc null string ---
+int(-%d)
+int(-%d)
+
+--- Testing simple and complex syntax strings ---
+int(-%d)
+int(-%d)
+
+Warning: Undefined variable $strS in %s on line %d
+int(%d)
+int(-%d)
+int(-%d)
+
+--- Testing binary safe and binary chars ---
+int(%d)
+int(-%d)
+int(0)
+int(0)
+int(%d)
+
+--- Comparing long float values ---
+int(0)
+int(-%d)
+int(0)
+Done
diff --git a/tests/std/strings/strcmp.phpt b/tests/std/strings/strcmp.phpt
new file mode 100644
index 00000000..656589e6
--- /dev/null
+++ b/tests/std/strings/strcmp.phpt
@@ -0,0 +1,573 @@
+--TEST--
+strcmp() function
+--SKIPIF--
+<?php
+echo 'skip AOT cannot auto-wrap code with inner function/class declarations';
+?>
+--INI--
+precision = 12
+--FILE--
+<?php
+/* Compares two strings in case-sensitive manner */
+
+echo "#### Basic and Possible operations ####";
+/* creating an array of strings to be compared */
+$arrays = array(
+           array("a", "A", 'a', 'A', chr(128), chr(255), chr(0)),
+           array("acc", "Acc", 'ac', "accc", 'acd', "?acc", 'acc!', "$!acc", ";acc"),
+           array("1", "0", 0, "-1", -1, "", TRUE, FALSE, "string"),
+           array(10.5, 1.5, 9.5, 11.5, 100.5, 10.5E1, -10.5, 10, 0.5)
+          );
+
+/* loop through to go each and every element in an array
+    and comparing the elements with one and other */
+foreach($arrays as $str1_arr){
+  echo "\n*** comparing the strings in an \n";
+  print_r($str1_arr);
+  for ($i=0; $i<count($str1_arr); $i++){
+    echo "\nIteration $i\n";
+    for($j=0; $j<count($str1_arr); $j++){
+      echo "- strcmp of '$str1_arr[$i]' and '$str1_arr[$j]' is => ";
+      var_dump(strcmp($str1_arr[$i], $str1_arr[$j]));
+    }
+  }
+}
+
+
+
+echo "\n#### Testing miscellaneous inputs ####\n";
+
+echo "--- Testing objects ---\n";
+/* we get "Recoverable fatal error: saying Object of class could not be converted
+   to string" by default, when an object is passed instead of string.
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class string1 {
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_string1 = new string1;
+
+class string2 {
+  function __toString() {
+    return "Hello, world\0";
+  }
+}
+$obj_string2 = new string2;
+
+var_dump(strcmp("$obj_string1", "$obj_string2"));
+
+
+echo "\n--- Testing arrays ---\n";
+$str_arr = array("hello", "?world", "!$%**()%**[][[[&@#~!");
+var_dump(strcmp("hello?world,!$%**()%**[][[[&@#~!", "$str_arr[1]"));
+var_dump(strcmp("hello?world,!$%**()%**[][[[&@#~!", "$str_arr[2]"));
+
+
+echo "\n--- Testing a longer and heredoc string ---\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(strcmp($string, $string));
+var_dump(strcmp($string, "xyz0123456789"));
+var_dump(strcmp($string, "&&&"));
+
+echo "\n--- Testing a heredoc null string ---\n";
+$str = <<<EOD
+EOD;
+var_dump(strcmp($str, "\0"));
+var_dump(strcmp($str, "0"));
+
+
+echo "\n--- Testing simple and complex syntax strings ---\n";
+$str = 'world';
+
+/* Simple syntax */
+var_dump(strcmp("Hello, world", "$str"));
+var_dump(strcmp("Hello, world'S", "$str'S"));
+var_dump(strcmp("Hello, worldS", "$strS"));
+
+/* String with curly braces, complex syntax */
+var_dump(strcmp("Hello, worldS", "${str}S"));
+var_dump(strcmp("Hello, worldS", "{$str}S"));
+
+echo "\n--- Testing binary safe and binary chars ---\n";
+var_dump(strcmp("Hello\0world", "Hello"));
+var_dump(strcmp("Hello\0world", "Helloworld"));
+var_dump(strcmp("\x0", "\0"));
+var_dump(strcmp("\000", "\0"));
+var_dump(strcmp("\x00", ""));
+
+echo "\n--- Comparing long float values ---\n";
+/* Here two different outputs, which depends on the rounding value
+   before converting to string. Here Precision = 12  */
+var_dump(strcmp(10.55555555555555555555555555, 10.5555555556));   // int(0)
+var_dump(strcmp(10.55555555555555555555555555, 10.555555556));    // int(-1)
+var_dump(strcmp(10.55555555595555555555555555, 10.555555556));    // int(0)
+
+echo "Done\n";
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+#### Basic and Possible operations ####
+*** comparing the strings in an 
+Array
+(
+    [0] => a
+    [1] => A
+    [2] => a
+    [3] => A
+    [4] => €
+    [5] => ÿ
+    [6] => %0
+)
+
+Iteration 0
+- strcmp of 'a' and 'a' is => int(0)
+- strcmp of 'a' and 'A' is => int(%d)
+- strcmp of 'a' and 'a' is => int(0)
+- strcmp of 'a' and 'A' is => int(%d)
+- strcmp of 'a' and '€' is => int(-%d)
+- strcmp of 'a' and 'ÿ' is => int(-%d)
+- strcmp of 'a' and '%0' is => int(%d)
+
+Iteration 1
+- strcmp of 'A' and 'a' is => int(-%d)
+- strcmp of 'A' and 'A' is => int(0)
+- strcmp of 'A' and 'a' is => int(-%d)
+- strcmp of 'A' and 'A' is => int(0)
+- strcmp of 'A' and '€' is => int(-%d)
+- strcmp of 'A' and 'ÿ' is => int(-%d)
+- strcmp of 'A' and '%0' is => int(%d)
+
+Iteration 2
+- strcmp of 'a' and 'a' is => int(0)
+- strcmp of 'a' and 'A' is => int(%d)
+- strcmp of 'a' and 'a' is => int(0)
+- strcmp of 'a' and 'A' is => int(%d)
+- strcmp of 'a' and '€' is => int(-%d)
+- strcmp of 'a' and 'ÿ' is => int(-%d)
+- strcmp of 'a' and '%0' is => int(%d)
+
+Iteration 3
+- strcmp of 'A' and 'a' is => int(-%d)
+- strcmp of 'A' and 'A' is => int(0)
+- strcmp of 'A' and 'a' is => int(-%d)
+- strcmp of 'A' and 'A' is => int(0)
+- strcmp of 'A' and '€' is => int(-%d)
+- strcmp of 'A' and 'ÿ' is => int(-%d)
+- strcmp of 'A' and '%0' is => int(%d)
+
+Iteration 4
+- strcmp of '€' and 'a' is => int(%d)
+- strcmp of '€' and 'A' is => int(%d)
+- strcmp of '€' and 'a' is => int(%d)
+- strcmp of '€' and 'A' is => int(%d)
+- strcmp of '€' and '€' is => int(0)
+- strcmp of '€' and 'ÿ' is => int(-%d)
+- strcmp of '€' and '%0' is => int(%d)
+
+Iteration 5
+- strcmp of 'ÿ' and 'a' is => int(%d)
+- strcmp of 'ÿ' and 'A' is => int(%d)
+- strcmp of 'ÿ' and 'a' is => int(%d)
+- strcmp of 'ÿ' and 'A' is => int(%d)
+- strcmp of 'ÿ' and '€' is => int(%d)
+- strcmp of 'ÿ' and 'ÿ' is => int(0)
+- strcmp of 'ÿ' and '%0' is => int(%d)
+
+Iteration 6
+- strcmp of '%0' and 'a' is => int(-%d)
+- strcmp of '%0' and 'A' is => int(-%d)
+- strcmp of '%0' and 'a' is => int(-%d)
+- strcmp of '%0' and 'A' is => int(-%d)
+- strcmp of '%0' and '€' is => int(-%d)
+- strcmp of '%0' and 'ÿ' is => int(-%d)
+- strcmp of '%0' and '%0' is => int(0)
+
+*** comparing the strings in an 
+Array
+(
+    [0] => acc
+    [1] => Acc
+    [2] => ac
+    [3] => accc
+    [4] => acd
+    [5] => ?acc
+    [6] => acc!
+    [7] => $!acc
+    [8] => ;acc
+)
+
+Iteration 0
+- strcmp of 'acc' and 'acc' is => int(0)
+- strcmp of 'acc' and 'Acc' is => int(%d)
+- strcmp of 'acc' and 'ac' is => int(%d)
+- strcmp of 'acc' and 'accc' is => int(-%d)
+- strcmp of 'acc' and 'acd' is => int(-%d)
+- strcmp of 'acc' and '?acc' is => int(%d)
+- strcmp of 'acc' and 'acc!' is => int(-%d)
+- strcmp of 'acc' and '$!acc' is => int(%d)
+- strcmp of 'acc' and ';acc' is => int(%d)
+
+Iteration 1
+- strcmp of 'Acc' and 'acc' is => int(-%d)
+- strcmp of 'Acc' and 'Acc' is => int(0)
+- strcmp of 'Acc' and 'ac' is => int(-%d)
+- strcmp of 'Acc' and 'accc' is => int(-%d)
+- strcmp of 'Acc' and 'acd' is => int(-%d)
+- strcmp of 'Acc' and '?acc' is => int(%d)
+- strcmp of 'Acc' and 'acc!' is => int(-%d)
+- strcmp of 'Acc' and '$!acc' is => int(%d)
+- strcmp of 'Acc' and ';acc' is => int(%d)
+
+Iteration 2
+- strcmp of 'ac' and 'acc' is => int(-%d)
+- strcmp of 'ac' and 'Acc' is => int(%d)
+- strcmp of 'ac' and 'ac' is => int(0)
+- strcmp of 'ac' and 'accc' is => int(-%d)
+- strcmp of 'ac' and 'acd' is => int(-%d)
+- strcmp of 'ac' and '?acc' is => int(%d)
+- strcmp of 'ac' and 'acc!' is => int(-%d)
+- strcmp of 'ac' and '$!acc' is => int(%d)
+- strcmp of 'ac' and ';acc' is => int(%d)
+
+Iteration 3
+- strcmp of 'accc' and 'acc' is => int(%d)
+- strcmp of 'accc' and 'Acc' is => int(%d)
+- strcmp of 'accc' and 'ac' is => int(%d)
+- strcmp of 'accc' and 'accc' is => int(0)
+- strcmp of 'accc' and 'acd' is => int(-%d)
+- strcmp of 'accc' and '?acc' is => int(%d)
+- strcmp of 'accc' and 'acc!' is => int(%d)
+- strcmp of 'accc' and '$!acc' is => int(%d)
+- strcmp of 'accc' and ';acc' is => int(%d)
+
+Iteration 4
+- strcmp of 'acd' and 'acc' is => int(%d)
+- strcmp of 'acd' and 'Acc' is => int(%d)
+- strcmp of 'acd' and 'ac' is => int(%d)
+- strcmp of 'acd' and 'accc' is => int(%d)
+- strcmp of 'acd' and 'acd' is => int(0)
+- strcmp of 'acd' and '?acc' is => int(%d)
+- strcmp of 'acd' and 'acc!' is => int(%d)
+- strcmp of 'acd' and '$!acc' is => int(%d)
+- strcmp of 'acd' and ';acc' is => int(%d)
+
+Iteration 5
+- strcmp of '?acc' and 'acc' is => int(-%d)
+- strcmp of '?acc' and 'Acc' is => int(-%d)
+- strcmp of '?acc' and 'ac' is => int(-%d)
+- strcmp of '?acc' and 'accc' is => int(-%d)
+- strcmp of '?acc' and 'acd' is => int(-%d)
+- strcmp of '?acc' and '?acc' is => int(0)
+- strcmp of '?acc' and 'acc!' is => int(-%d)
+- strcmp of '?acc' and '$!acc' is => int(%d)
+- strcmp of '?acc' and ';acc' is => int(%d)
+
+Iteration 6
+- strcmp of 'acc!' and 'acc' is => int(%d)
+- strcmp of 'acc!' and 'Acc' is => int(%d)
+- strcmp of 'acc!' and 'ac' is => int(%d)
+- strcmp of 'acc!' and 'accc' is => int(-%d)
+- strcmp of 'acc!' and 'acd' is => int(-%d)
+- strcmp of 'acc!' and '?acc' is => int(%d)
+- strcmp of 'acc!' and 'acc!' is => int(0)
+- strcmp of 'acc!' and '$!acc' is => int(%d)
+- strcmp of 'acc!' and ';acc' is => int(%d)
+
+Iteration 7
+- strcmp of '$!acc' and 'acc' is => int(-%d)
+- strcmp of '$!acc' and 'Acc' is => int(-%d)
+- strcmp of '$!acc' and 'ac' is => int(-%d)
+- strcmp of '$!acc' and 'accc' is => int(-%d)
+- strcmp of '$!acc' and 'acd' is => int(-%d)
+- strcmp of '$!acc' and '?acc' is => int(-%d)
+- strcmp of '$!acc' and 'acc!' is => int(-%d)
+- strcmp of '$!acc' and '$!acc' is => int(0)
+- strcmp of '$!acc' and ';acc' is => int(-%d)
+
+Iteration 8
+- strcmp of ';acc' and 'acc' is => int(-%d)
+- strcmp of ';acc' and 'Acc' is => int(-%d)
+- strcmp of ';acc' and 'ac' is => int(-%d)
+- strcmp of ';acc' and 'accc' is => int(-%d)
+- strcmp of ';acc' and 'acd' is => int(-%d)
+- strcmp of ';acc' and '?acc' is => int(-%d)
+- strcmp of ';acc' and 'acc!' is => int(-%d)
+- strcmp of ';acc' and '$!acc' is => int(%d)
+- strcmp of ';acc' and ';acc' is => int(0)
+
+*** comparing the strings in an 
+Array
+(
+    [0] => 1
+    [1] => 0
+    [2] => 0
+    [3] => -1
+    [4] => -1
+    [5] => 
+    [6] => 1
+    [7] => 
+    [8] => string
+)
+
+Iteration 0
+- strcmp of '1' and '1' is => int(0)
+- strcmp of '1' and '0' is => int(%d)
+- strcmp of '1' and '0' is => int(%d)
+- strcmp of '1' and '-1' is => int(%d)
+- strcmp of '1' and '-1' is => int(%d)
+- strcmp of '1' and '' is => int(%d)
+- strcmp of '1' and '1' is => int(0)
+- strcmp of '1' and '' is => int(%d)
+- strcmp of '1' and 'string' is => int(-%d)
+
+Iteration 1
+- strcmp of '0' and '1' is => int(-%d)
+- strcmp of '0' and '0' is => int(0)
+- strcmp of '0' and '0' is => int(0)
+- strcmp of '0' and '-1' is => int(%d)
+- strcmp of '0' and '-1' is => int(%d)
+- strcmp of '0' and '' is => int(%d)
+- strcmp of '0' and '1' is => int(-%d)
+- strcmp of '0' and '' is => int(%d)
+- strcmp of '0' and 'string' is => int(-%d)
+
+Iteration 2
+- strcmp of '0' and '1' is => int(-%d)
+- strcmp of '0' and '0' is => int(0)
+- strcmp of '0' and '0' is => int(0)
+- strcmp of '0' and '-1' is => int(%d)
+- strcmp of '0' and '-1' is => int(%d)
+- strcmp of '0' and '' is => int(%d)
+- strcmp of '0' and '1' is => int(-%d)
+- strcmp of '0' and '' is => int(%d)
+- strcmp of '0' and 'string' is => int(-%d)
+
+Iteration 3
+- strcmp of '-1' and '1' is => int(-%d)
+- strcmp of '-1' and '0' is => int(-%d)
+- strcmp of '-1' and '0' is => int(-%d)
+- strcmp of '-1' and '-1' is => int(0)
+- strcmp of '-1' and '-1' is => int(0)
+- strcmp of '-1' and '' is => int(%d)
+- strcmp of '-1' and '1' is => int(-%d)
+- strcmp of '-1' and '' is => int(%d)
+- strcmp of '-1' and 'string' is => int(-%d)
+
+Iteration 4
+- strcmp of '-1' and '1' is => int(-%d)
+- strcmp of '-1' and '0' is => int(-%d)
+- strcmp of '-1' and '0' is => int(-%d)
+- strcmp of '-1' and '-1' is => int(0)
+- strcmp of '-1' and '-1' is => int(0)
+- strcmp of '-1' and '' is => int(%d)
+- strcmp of '-1' and '1' is => int(-%d)
+- strcmp of '-1' and '' is => int(%d)
+- strcmp of '-1' and 'string' is => int(-%d)
+
+Iteration 5
+- strcmp of '' and '1' is => int(-%d)
+- strcmp of '' and '0' is => int(-%d)
+- strcmp of '' and '0' is => int(-%d)
+- strcmp of '' and '-1' is => int(-%d)
+- strcmp of '' and '-1' is => int(-%d)
+- strcmp of '' and '' is => int(0)
+- strcmp of '' and '1' is => int(-%d)
+- strcmp of '' and '' is => int(0)
+- strcmp of '' and 'string' is => int(-%d)
+
+Iteration 6
+- strcmp of '1' and '1' is => int(0)
+- strcmp of '1' and '0' is => int(%d)
+- strcmp of '1' and '0' is => int(%d)
+- strcmp of '1' and '-1' is => int(%d)
+- strcmp of '1' and '-1' is => int(%d)
+- strcmp of '1' and '' is => int(%d)
+- strcmp of '1' and '1' is => int(0)
+- strcmp of '1' and '' is => int(%d)
+- strcmp of '1' and 'string' is => int(-%d)
+
+Iteration 7
+- strcmp of '' and '1' is => int(-%d)
+- strcmp of '' and '0' is => int(-%d)
+- strcmp of '' and '0' is => int(-%d)
+- strcmp of '' and '-1' is => int(-%d)
+- strcmp of '' and '-1' is => int(-%d)
+- strcmp of '' and '' is => int(0)
+- strcmp of '' and '1' is => int(-%d)
+- strcmp of '' and '' is => int(0)
+- strcmp of '' and 'string' is => int(-%d)
+
+Iteration 8
+- strcmp of 'string' and '1' is => int(%d)
+- strcmp of 'string' and '0' is => int(%d)
+- strcmp of 'string' and '0' is => int(%d)
+- strcmp of 'string' and '-1' is => int(%d)
+- strcmp of 'string' and '-1' is => int(%d)
+- strcmp of 'string' and '' is => int(%d)
+- strcmp of 'string' and '1' is => int(%d)
+- strcmp of 'string' and '' is => int(%d)
+- strcmp of 'string' and 'string' is => int(0)
+
+*** comparing the strings in an 
+Array
+(
+    [0] => 10.5
+    [1] => 1.5
+    [2] => 9.5
+    [3] => 11.5
+    [4] => 100.5
+    [5] => 105
+    [6] => -10.5
+    [7] => 10
+    [8] => 0.5
+)
+
+Iteration 0
+- strcmp of '10.5' and '10.5' is => int(0)
+- strcmp of '10.5' and '1.5' is => int(%d)
+- strcmp of '10.5' and '9.5' is => int(-%d)
+- strcmp of '10.5' and '11.5' is => int(-%d)
+- strcmp of '10.5' and '100.5' is => int(-%d)
+- strcmp of '10.5' and '105' is => int(-%d)
+- strcmp of '10.5' and '-10.5' is => int(%d)
+- strcmp of '10.5' and '10' is => int(%d)
+- strcmp of '10.5' and '0.5' is => int(%d)
+
+Iteration 1
+- strcmp of '1.5' and '10.5' is => int(-%d)
+- strcmp of '1.5' and '1.5' is => int(0)
+- strcmp of '1.5' and '9.5' is => int(-%d)
+- strcmp of '1.5' and '11.5' is => int(-%d)
+- strcmp of '1.5' and '100.5' is => int(-%d)
+- strcmp of '1.5' and '105' is => int(-%d)
+- strcmp of '1.5' and '-10.5' is => int(%d)
+- strcmp of '1.5' and '10' is => int(-%d)
+- strcmp of '1.5' and '0.5' is => int(%d)
+
+Iteration 2
+- strcmp of '9.5' and '10.5' is => int(%d)
+- strcmp of '9.5' and '1.5' is => int(%d)
+- strcmp of '9.5' and '9.5' is => int(0)
+- strcmp of '9.5' and '11.5' is => int(%d)
+- strcmp of '9.5' and '100.5' is => int(%d)
+- strcmp of '9.5' and '105' is => int(%d)
+- strcmp of '9.5' and '-10.5' is => int(%d)
+- strcmp of '9.5' and '10' is => int(%d)
+- strcmp of '9.5' and '0.5' is => int(%d)
+
+Iteration 3
+- strcmp of '11.5' and '10.5' is => int(%d)
+- strcmp of '11.5' and '1.5' is => int(%d)
+- strcmp of '11.5' and '9.5' is => int(-%d)
+- strcmp of '11.5' and '11.5' is => int(0)
+- strcmp of '11.5' and '100.5' is => int(%d)
+- strcmp of '11.5' and '105' is => int(%d)
+- strcmp of '11.5' and '-10.5' is => int(%d)
+- strcmp of '11.5' and '10' is => int(%d)
+- strcmp of '11.5' and '0.5' is => int(%d)
+
+Iteration 4
+- strcmp of '100.5' and '10.5' is => int(%d)
+- strcmp of '100.5' and '1.5' is => int(%d)
+- strcmp of '100.5' and '9.5' is => int(-%d)
+- strcmp of '100.5' and '11.5' is => int(-%d)
+- strcmp of '100.5' and '100.5' is => int(0)
+- strcmp of '100.5' and '105' is => int(-%d)
+- strcmp of '100.5' and '-10.5' is => int(%d)
+- strcmp of '100.5' and '10' is => int(%d)
+- strcmp of '100.5' and '0.5' is => int(%d)
+
+Iteration 5
+- strcmp of '105' and '10.5' is => int(%d)
+- strcmp of '105' and '1.5' is => int(%d)
+- strcmp of '105' and '9.5' is => int(-%d)
+- strcmp of '105' and '11.5' is => int(-%d)
+- strcmp of '105' and '100.5' is => int(%d)
+- strcmp of '105' and '105' is => int(0)
+- strcmp of '105' and '-10.5' is => int(%d)
+- strcmp of '105' and '10' is => int(%d)
+- strcmp of '105' and '0.5' is => int(%d)
+
+Iteration 6
+- strcmp of '-10.5' and '10.5' is => int(-%d)
+- strcmp of '-10.5' and '1.5' is => int(-%d)
+- strcmp of '-10.5' and '9.5' is => int(-%d)
+- strcmp of '-10.5' and '11.5' is => int(-%d)
+- strcmp of '-10.5' and '100.5' is => int(-%d)
+- strcmp of '-10.5' and '105' is => int(-%d)
+- strcmp of '-10.5' and '-10.5' is => int(0)
+- strcmp of '-10.5' and '10' is => int(-%d)
+- strcmp of '-10.5' and '0.5' is => int(-%d)
+
+Iteration 7
+- strcmp of '10' and '10.5' is => int(-%d)
+- strcmp of '10' and '1.5' is => int(%d)
+- strcmp of '10' and '9.5' is => int(-%d)
+- strcmp of '10' and '11.5' is => int(-%d)
+- strcmp of '10' and '100.5' is => int(-%d)
+- strcmp of '10' and '105' is => int(-%d)
+- strcmp of '10' and '-10.5' is => int(%d)
+- strcmp of '10' and '10' is => int(0)
+- strcmp of '10' and '0.5' is => int(%d)
+
+Iteration 8
+- strcmp of '0.5' and '10.5' is => int(-%d)
+- strcmp of '0.5' and '1.5' is => int(-%d)
+- strcmp of '0.5' and '9.5' is => int(-%d)
+- strcmp of '0.5' and '11.5' is => int(-%d)
+- strcmp of '0.5' and '100.5' is => int(-%d)
+- strcmp of '0.5' and '105' is => int(-%d)
+- strcmp of '0.5' and '-10.5' is => int(%d)
+- strcmp of '0.5' and '10' is => int(-%d)
+- strcmp of '0.5' and '0.5' is => int(0)
+
+#### Testing miscellaneous inputs ####
+--- Testing objects ---
+int(-%d)
+
+--- Testing arrays ---
+int(%d)
+int(%d)
+
+--- Testing a longer and heredoc string ---
+int(0)
+int(-%d)
+int(%d)
+
+--- Testing a heredoc null string ---
+int(-%d)
+int(-%d)
+
+--- Testing simple and complex syntax strings ---
+int(-%d)
+int(-%d)
+
+Warning: Undefined variable $strS in %s on line %d
+int(%d)
+int(-%d)
+int(-%d)
+
+--- Testing binary safe and binary chars ---
+int(%d)
+int(-%d)
+int(0)
+int(0)
+int(%d)
+
+--- Comparing long float values ---
+int(0)
+int(-%d)
+int(0)
+Done
diff --git a/tests/std/strings/strcmp_unterminated.phpt b/tests/std/strings/strcmp_unterminated.phpt
new file mode 100644
index 00000000..67f3e242
--- /dev/null
+++ b/tests/std/strings/strcmp_unterminated.phpt
@@ -0,0 +1,18 @@
+--TEST--
+strnat(case)cmp(): potential OOB access for unterminated strings
+--EXTENSIONS--
+zend_test
+--FILE--
+<?php
+$a = zend_create_unterminated_string('333');
+$b = zend_create_unterminated_string('333 ');
+var_dump(
+    strnatcmp($a, $b),
+    strnatcasecmp($b, $a)
+);
+zend_terminate_string($a);
+zend_terminate_string($b);
+?>
+--EXPECT--
+int(-1)
+int(1)
diff --git a/tests/std/strings/strcoll.phpt b/tests/std/strings/strcoll.phpt
new file mode 100644
index 00000000..d1d3df11
--- /dev/null
+++ b/tests/std/strings/strcoll.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Testing Basic behaviour of strcoll()
+--CREDITS--
+Sebastian Schürmann
+sebs@php.net
+Testfest 2009 Munich
+--FILE--
+<?php
+
+ $a = 'a';
+ $b = 'A';
+
+setlocale (LC_COLLATE, 'C');
+$result = strcoll($a, $b);
+if($result > 0) {
+    echo "Pass\n";
+}
+?>
+--EXPECT--
+Pass
diff --git a/tests/std/strings/strcspn.phpt b/tests/std/strings/strcspn.phpt
new file mode 100644
index 00000000..d948655e
--- /dev/null
+++ b/tests/std/strings/strcspn.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Test strcspn() behavior
+--FILE--
+<?php
+$a = "22222222aaaa bbb1111 cccc";
+$b = "1234";
+var_dump($a);
+var_dump($b);
+var_dump(strcspn($a,$b));
+var_dump(strcspn($a,$b,9));
+var_dump(strcspn($a,$b,9,6));
+var_dump(strcspn('a', 'B', 1, 2147483647));
+?>
+--EXPECT--
+string(25) "22222222aaaa bbb1111 cccc"
+string(4) "1234"
+int(0)
+int(7)
+int(6)
+int(0)
diff --git a/tests/std/strings/strcspn_basic.phpt b/tests/std/strings/strcspn_basic.phpt
new file mode 100644
index 00000000..08fdeca5
--- /dev/null
+++ b/tests/std/strings/strcspn_basic.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test strcspn() function : basic functionality
+--FILE--
+<?php
+/*
+* Testing strcspn() : basic functionality
+*/
+
+echo "*** Testing strcspn() : basic functionality ***\n";
+
+
+// Initialise all required variables
+$str = "this is the test string";
+$mask = "es";
+$start = 15;
+$len = 3;
+
+// Calling strcspn() with all possible arguments
+var_dump( strcspn($str, $mask, $start, $len) );
+
+// Calling strcspn() with three arguments
+var_dump( strcspn($str, $mask, $start) );
+
+// Calling strcspn() with default arguments
+var_dump( strcspn($str, $mask) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strcspn() : basic functionality ***
+int(2)
+int(2)
+int(3)
+Done
diff --git a/tests/std/strings/strcspn_variation10.phpt b/tests/std/strings/strcspn_variation10.phpt
new file mode 100644
index 00000000..894bc179
--- /dev/null
+++ b/tests/std/strings/strcspn_variation10.phpt
@@ -0,0 +1,265 @@
+--TEST--
+Test strcspn() function : usage variations - with varying mask & default start and len args
+--FILE--
+<?php
+/*
+* Testing strcspn() : with varying mask and default start and len arguments
+*/
+
+echo "*** Testing strcspn() : with different mask strings and default start and len arguments ***\n";
+
+// initialing required variables
+$strings = array(
+                   "",
+           '',
+           "\n",
+           '\n',
+           "hello\tworld\nhello\nworld\n",
+           'hello\tworld\nhello\nworld\n',
+           "1234hello45world\t123",
+           '1234hello45world\t123',
+           "hello\0world\012",
+           'hello\0world\012',
+           chr(0).chr(0),
+           chr(0)."hello\0world".chr(0),
+           chr(0).'hello\0world'.chr(0),
+           "hello".chr(0)."world",
+           'hello'.chr(0).'world',
+           "hello\0\100\xaaaworld",
+           'hello\0\100\xaaaworld'
+                   );
+
+// defining array of mask strings
+$mask_array = array(
+            "",
+            '',
+            "\n\trsti \l",
+            '\n\trsti \l',
+            "\t",
+            "t\ ",
+            '\t',
+            "\t\ ",
+            " \t",
+                    "\t\i\100\xa"
+                   );
+
+
+// loop through each element of the array for mask argument
+$count = 1;
+foreach($strings as $str) {
+  echo "\n-- Itearation $count --\n";
+  foreach($mask_array as $mask) {
+      var_dump( strcspn($str,$mask) );
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strcspn() : with different mask strings and default start and len arguments ***
+
+-- Itearation 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Itearation 2 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Itearation 3 --
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(0)
+
+-- Itearation 4 --
+int(2)
+int(2)
+int(0)
+int(0)
+int(2)
+int(0)
+int(0)
+int(0)
+int(2)
+int(0)
+
+-- Itearation 5 --
+int(24)
+int(24)
+int(2)
+int(2)
+int(5)
+int(24)
+int(24)
+int(5)
+int(5)
+int(5)
+
+-- Itearation 6 --
+int(28)
+int(28)
+int(2)
+int(2)
+int(28)
+int(5)
+int(5)
+int(5)
+int(28)
+int(5)
+
+-- Itearation 7 --
+int(20)
+int(20)
+int(6)
+int(6)
+int(16)
+int(20)
+int(20)
+int(16)
+int(16)
+int(16)
+
+-- Itearation 8 --
+int(21)
+int(21)
+int(6)
+int(6)
+int(21)
+int(16)
+int(16)
+int(16)
+int(21)
+int(16)
+
+-- Itearation 9 --
+int(12)
+int(12)
+int(2)
+int(2)
+int(12)
+int(12)
+int(12)
+int(12)
+int(12)
+int(11)
+
+-- Itearation 10 --
+int(16)
+int(16)
+int(2)
+int(2)
+int(16)
+int(5)
+int(5)
+int(5)
+int(16)
+int(5)
+
+-- Itearation 11 --
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+
+-- Itearation 12 --
+int(13)
+int(13)
+int(3)
+int(3)
+int(13)
+int(13)
+int(13)
+int(13)
+int(13)
+int(13)
+
+-- Itearation 13 --
+int(14)
+int(14)
+int(3)
+int(3)
+int(14)
+int(6)
+int(6)
+int(6)
+int(14)
+int(6)
+
+-- Itearation 14 --
+int(11)
+int(11)
+int(2)
+int(2)
+int(11)
+int(11)
+int(11)
+int(11)
+int(11)
+int(11)
+
+-- Itearation 15 --
+int(11)
+int(11)
+int(2)
+int(2)
+int(11)
+int(11)
+int(11)
+int(11)
+int(11)
+int(11)
+
+-- Itearation 16 --
+int(14)
+int(14)
+int(2)
+int(2)
+int(14)
+int(14)
+int(14)
+int(14)
+int(14)
+int(6)
+
+-- Itearation 17 --
+int(21)
+int(21)
+int(2)
+int(2)
+int(21)
+int(5)
+int(5)
+int(5)
+int(21)
+int(5)
+Done
diff --git a/tests/std/strings/strcspn_variation11.phpt b/tests/std/strings/strcspn_variation11.phpt
new file mode 100644
index 00000000..6d5fda8b
--- /dev/null
+++ b/tests/std/strings/strcspn_variation11.phpt
@@ -0,0 +1,1299 @@
+--TEST--
+Test strcspn() function : usage variations - with varying start and default len args
+--FILE--
+<?php
+/*
+* Testing strcspn() : with varying start and default len arguments
+*/
+
+echo "*** Testing strcspn() : with different start and default len values ***\n";
+
+// initialing required variables
+// initialing required variables
+$strings = array(
+                   "",
+                   '',
+                   "\n",
+                   '\n',
+                   "hello\tworld\nhello\nworld\n",
+                   'hello\tworld\nhello\nworld\n',
+                   "1234hello45world\t123",
+                   '1234hello45world\t123',
+                   "hello\0world\012",
+                   'hello\0world\012',
+                   chr(0).chr(0),
+                   chr(0)."hello\0world".chr(0),
+                   chr(0).'hello\0world'.chr(0),
+                   "hello".chr(0)."world",
+                   'hello'.chr(0).'world',
+                   "hello\0\100\xaaaworld",
+                   'hello\0\100\xaaaworld'
+                   );
+
+// defining array of mask strings
+$mask_array = array(
+                    "",
+                    '',
+                    "\n\trsti \l",
+                    '\n\trsti \l',
+                    "\t",
+                    "t\ ",
+                    '\t',
+                    "\t\ ",
+                    " \t",
+                    "\t\i\100\xa"
+                   );
+
+//defining array of start values
+$start_array = array(
+                     0,
+                     1,
+                     2,
+                     -1,
+                     -2,
+                     2147483647,  // max positive integer
+                     -2147483648,  // min negative integer
+                    );
+
+
+// loop through each element of the arrays for str,mask and start arguments
+$count = 1;
+foreach($strings as $str) {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask) {
+    foreach($start_array as $start) {
+      var_dump( strcspn($str,$mask,$start) );
+    }
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strcspn() : with different start and default len values ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 2 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 3 --
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 4 --
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 5 --
+int(24)
+int(23)
+int(22)
+int(1)
+int(2)
+int(0)
+int(24)
+int(24)
+int(23)
+int(22)
+int(1)
+int(2)
+int(0)
+int(24)
+int(2)
+int(1)
+int(0)
+int(0)
+int(1)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(24)
+int(23)
+int(22)
+int(1)
+int(2)
+int(0)
+int(24)
+int(24)
+int(23)
+int(22)
+int(1)
+int(2)
+int(0)
+int(24)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(0)
+int(1)
+int(0)
+int(5)
+
+-- Iteration 6 --
+int(28)
+int(27)
+int(26)
+int(1)
+int(2)
+int(0)
+int(28)
+int(28)
+int(27)
+int(26)
+int(1)
+int(2)
+int(0)
+int(28)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(2)
+int(28)
+int(27)
+int(26)
+int(1)
+int(2)
+int(0)
+int(28)
+int(5)
+int(4)
+int(3)
+int(1)
+int(0)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(0)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(0)
+int(0)
+int(5)
+int(28)
+int(27)
+int(26)
+int(1)
+int(2)
+int(0)
+int(28)
+int(5)
+int(4)
+int(3)
+int(1)
+int(0)
+int(0)
+int(5)
+
+-- Iteration 7 --
+int(20)
+int(19)
+int(18)
+int(1)
+int(2)
+int(0)
+int(20)
+int(20)
+int(19)
+int(18)
+int(1)
+int(2)
+int(0)
+int(20)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(20)
+int(19)
+int(18)
+int(1)
+int(2)
+int(0)
+int(20)
+int(20)
+int(19)
+int(18)
+int(1)
+int(2)
+int(0)
+int(20)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+
+-- Iteration 8 --
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+
+-- Iteration 9 --
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(2)
+int(1)
+int(0)
+int(0)
+int(1)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(12)
+int(11)
+int(10)
+int(1)
+int(2)
+int(0)
+int(12)
+int(11)
+int(10)
+int(9)
+int(0)
+int(1)
+int(0)
+int(11)
+
+-- Iteration 10 --
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(16)
+int(15)
+int(14)
+int(1)
+int(2)
+int(0)
+int(16)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+
+-- Iteration 11 --
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+
+-- Iteration 12 --
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(3)
+int(2)
+int(1)
+int(1)
+int(2)
+int(0)
+int(3)
+int(3)
+int(2)
+int(1)
+int(1)
+int(2)
+int(0)
+int(3)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+int(13)
+int(12)
+int(11)
+int(1)
+int(2)
+int(0)
+int(13)
+
+-- Iteration 13 --
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(3)
+int(2)
+int(1)
+int(1)
+int(2)
+int(0)
+int(3)
+int(3)
+int(2)
+int(1)
+int(1)
+int(2)
+int(0)
+int(3)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+
+-- Iteration 14 --
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+
+-- Iteration 15 --
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+int(11)
+int(10)
+int(9)
+int(1)
+int(2)
+int(0)
+int(11)
+
+-- Iteration 16 --
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(14)
+int(13)
+int(12)
+int(1)
+int(2)
+int(0)
+int(14)
+int(6)
+int(5)
+int(4)
+int(1)
+int(2)
+int(0)
+int(6)
+
+-- Iteration 17 --
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(2)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(2)
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+int(21)
+int(20)
+int(19)
+int(1)
+int(2)
+int(0)
+int(21)
+int(5)
+int(4)
+int(3)
+int(1)
+int(2)
+int(0)
+int(5)
+Done
diff --git a/tests/std/strings/strcspn_variation12.phpt b/tests/std/strings/strcspn_variation12.phpt
new file mode 100644
index 00000000..f01f8246
--- /dev/null
+++ b/tests/std/strings/strcspn_variation12.phpt
@@ -0,0 +1,2475 @@
+--TEST--
+Test strcspn() function : usage variations - with varying start and len args
+--FILE--
+<?php
+/*
+* Testing strcspn() : with varying start and len arguments
+*/
+
+echo "*** Testing strcspn() : with different start and len values ***\n";
+
+// initialing required variables
+// initialing required variables
+$strings = array(
+                   "",
+                   '',
+                   "\n",
+                   '\n',
+                   "hello\tworld\nhello\nworld\n",
+                   "1234hello45world\t123",
+                   "hello\0world\012",
+                   chr(0).chr(0),
+                   chr(0)."hello\0world".chr(0),
+                   "hello".chr(0)."world",
+                   "hello\0\100\xaworld",
+                   );
+
+// defining array of mask strings
+$mask_array = array(
+                    "",
+                    '',
+                    "\n\trsti \l",
+                    "\t",
+                    "t\ ",
+                    "\t\i\100\xa"
+                   );
+
+//defining array of start values
+$start_array = array(
+            0,
+            1,
+            2,
+            -1,
+            2147483647,  // max positive integer
+            -2147483648  // min negative integer
+                   );
+
+//defining array of len values
+$len_array = array(
+            0,
+            1,
+            2,
+            -1,
+            2147483647,  // max positive integer
+            -2147483648  // min negative integer
+                   );
+
+
+// loop through each element of the arrays for str,mask,start and len arguments
+
+$count = 1;
+foreach($strings as $str) {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask) {
+    foreach($start_array as $start) {
+      foreach($len_array as $len) {
+        var_dump( strcspn($str,$mask,$start,$len) );
+      }
+    }
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strcspn() : with different start and len values ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 2 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+
+-- Iteration 3 --
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+
+-- Iteration 4 --
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+
+-- Iteration 5 --
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+
+-- Iteration 6 --
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+
+-- Iteration 7 --
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(10)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(9)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(11)
+int(0)
+
+-- Iteration 8 --
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(1)
+int(2)
+int(0)
+
+-- Iteration 9 --
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(1)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+
+-- Iteration 10 --
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(2)
+int(8)
+int(9)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(2)
+int(8)
+int(9)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(1)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(2)
+int(8)
+int(9)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(2)
+int(8)
+int(9)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(2)
+int(9)
+int(10)
+int(0)
+int(0)
+int(1)
+int(2)
+int(8)
+int(9)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+
+-- Iteration 11 --
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(1)
+int(1)
+int(1)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(11)
+int(12)
+int(0)
+int(0)
+int(1)
+int(2)
+int(10)
+int(11)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(12)
+int(13)
+int(0)
+int(0)
+int(1)
+int(2)
+int(6)
+int(6)
+int(0)
+int(0)
+int(1)
+int(2)
+int(5)
+int(5)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(6)
+int(6)
+int(0)
+Done
diff --git a/tests/std/strings/strcspn_variation5.phpt b/tests/std/strings/strcspn_variation5.phpt
new file mode 100644
index 00000000..c9a05cf2
--- /dev/null
+++ b/tests/std/strings/strcspn_variation5.phpt
@@ -0,0 +1,112 @@
+--TEST--
+Test strcspn() function : usage variations - with heredoc strings with default start and len args
+--SKIPIF--
+<?php
+echo 'skip null byte display differs under AOT';
+?>
+--FILE--
+<?php
+/* Prototype  : proto int strcspn(string str, string mask [, int start [, int len]])
+ * Description: Finds length of initial segment consisting entirely of characters not found in mask.
+                If start or/and length is provided works like strcspn(substr($s,$start,$len),$bad_chars)
+ * Source code: ext/standard/string.c
+ * Alias to functions: none
+*/
+
+/*
+* Testing strcspn() : with different heredoc strings as str argument
+*/
+
+echo "*** Testing strcspn() : with heredoc strings ***\n";
+
+// initialing required variables
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_with_hexa_octal = <<<EOT
+hello\0\100\xaaworld\0hello
+\0hello\0
+EOT;
+
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+                   $heredoc_with_newline_and_tabs,
+                   $heredoc_with_alphanumerics,
+                   $heredoc_with_embedded_nulls,
+                   $heredoc_with_hexa_octal
+                   );
+
+$mask = "fth12\ne67890\0\xaa\100o";
+
+
+// loop through each element of the array for str argument
+
+foreach($heredoc_strings as $str) {
+      echo "\n-- Iteration with str value as \"$str\" --\n";
+      var_dump( strcspn($str,$mask) ); // with default start and len values;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing strcspn() : with heredoc strings ***
+
+-- Iteration with str value as "" --
+int(0)
+
+-- Iteration with str value as "
+
+" --
+int(0)
+
+-- Iteration with str value as "first line of heredoc string
+second line of heredoc string
+third line of heredocstring" --
+int(0)
+
+-- Iteration with str value as "hello	world
+hello
+world
+" --
+int(0)
+
+-- Iteration with str value as "hello123world456
+1234hello	1234" --
+int(0)
+
+-- Iteration with str value as "hello%0world%0hello
+%0hello%0" --
+int(0)
+
+-- Iteration with str value as "hello%0@�world%0hello
+%0hello%0" --
+int(0)
+Done
diff --git a/tests/std/strings/strcspn_variation6.phpt b/tests/std/strings/strcspn_variation6.phpt
new file mode 100644
index 00000000..5d135d4a
--- /dev/null
+++ b/tests/std/strings/strcspn_variation6.phpt
@@ -0,0 +1,174 @@
+--TEST--
+Test strcspn() function : usage variations - with heredoc strings, varying mask & default start and len args
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+* Testing strcspn() : with heredoc string, varying mask and default start and len arguments
+*/
+
+echo "*** Testing strcspn() : with different mask strings ***\n";
+
+// initialing required variables
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_with_hexa_octal = <<<EOT
+hello\0\100\xaaworld\0hello
+\0hello\0
+EOT;
+
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+                   $heredoc_with_newline_and_tabs,
+                   $heredoc_with_alphanumerics,
+                   $heredoc_with_embedded_nulls,
+                   $heredoc_with_hexa_octal;
+                   );
+
+// defining array of mask strings
+$mask_array = array(
+            "",
+            '',
+            "\n\trsti \l",
+            '\n\trsti \l',
+            "\t",
+            "t\ ",
+            '\t',
+            "\t\ ",
+            " \t",
+                    "\t\i\100\xaa"
+                   );
+
+
+// loop through each element of the arrays for string and mask arguments
+
+$count = 1;
+foreach($heredoc_strings as $str) {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask) {
+      var_dump( strcspn($str,$mask) ); // with default start and len value;
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strcspn() : with different mask strings ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 2 --
+int(2)
+int(2)
+int(0)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+int(2)
+
+-- Iteration 3 --
+int(86)
+int(86)
+int(1)
+int(1)
+int(86)
+int(4)
+int(4)
+int(5)
+int(5)
+int(1)
+
+-- Iteration 4 --
+int(24)
+int(24)
+int(2)
+int(2)
+int(5)
+int(24)
+int(24)
+int(5)
+int(5)
+int(5)
+
+-- Iteration 5 --
+int(31)
+int(31)
+int(2)
+int(2)
+int(26)
+int(31)
+int(31)
+int(26)
+int(26)
+int(26)
+
+-- Iteration 6 --
+int(25)
+int(25)
+int(2)
+int(2)
+int(25)
+int(25)
+int(25)
+int(25)
+int(25)
+int(25)
+
+-- Iteration 7 --
+int(27)
+int(27)
+int(2)
+int(2)
+int(27)
+int(27)
+int(27)
+int(27)
+int(27)
+int(6)
+Done
diff --git a/tests/std/strings/strcspn_variation9.phpt b/tests/std/strings/strcspn_variation9.phpt
new file mode 100644
index 00000000..0330a5e1
--- /dev/null
+++ b/tests/std/strings/strcspn_variation9.phpt
@@ -0,0 +1,113 @@
+--TEST--
+Test strcspn() function : usage variations - different strings with default start and len args
+--FILE--
+<?php
+/* Prototype  : proto int strcspn(string str, string mask [, int start [, int len]])
+ * Description: Finds length of initial segment consisting entirely of characters not found in mask.
+                If start or/and length is provided works like strcspn(substr($s,$start,$len),$bad_chars)
+ * Source code: ext/standard/string.c
+ * Alias to functions: none
+*/
+
+/*
+* Testing strcspn() : with different strings as str argument and default start and len args
+*/
+
+echo "*** Testing strcspn() : with different str and default start and len args ***\n";
+
+// initialing required variables
+// defining different strings
+
+$strings = array(
+                   "",
+           '',
+           "\n",
+           '\n',
+           "hello\tworld\nhello\nworld\n",
+           'hello\tworld\nhello\nworld\n',
+           "1234hello45world\t123",
+           '1234hello45world\t123',
+           "hello\0world\012",
+           'hello\0world\012',
+           chr(0).chr(0),
+           chr(0)."hello\0world".chr(0),
+           chr(0).'hello\0world'.chr(0),
+           "hello".chr(0)."world",
+           'hello'.chr(0).'world',
+           "hello\0\100\xaaaworld",
+           'hello\0\100\xaaaworld'
+                   );
+
+$mask = "sft\n34lw56r78d90\0\xaa\100o";
+
+
+// loop through each element of the array for str argument
+
+foreach($strings as $str) {
+      echo "\n-- Iteration with str value \"$str\" --\n";
+
+      //calling strcspn() with default arguments
+      var_dump( strcspn($str,$mask) );
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing strcspn() : with different str and default start and len args ***
+
+-- Iteration with str value "" --
+int(0)
+
+-- Iteration with str value "" --
+int(0)
+
+-- Iteration with str value "
+" --
+int(0)
+
+-- Iteration with str value "\n" --
+int(2)
+
+-- Iteration with str value "hello	world
+hello
+world
+" --
+int(2)
+
+-- Iteration with str value "hello\tworld\nhello\nworld\n" --
+int(2)
+
+-- Iteration with str value "1234hello45world	123" --
+int(2)
+
+-- Iteration with str value "1234hello45world\t123" --
+int(2)
+
+-- Iteration with str value "hello%0world
+" --
+int(2)
+
+-- Iteration with str value "hello\0world\012" --
+int(2)
+
+-- Iteration with str value "%0%0" --
+int(0)
+
+-- Iteration with str value "%0hello%0world%0" --
+int(0)
+
+-- Iteration with str value "%0hello\0world%0" --
+int(0)
+
+-- Iteration with str value "hello%0world" --
+int(2)
+
+-- Iteration with str value "hello%0world" --
+int(2)
+
+-- Iteration with str value "hello%0@ªaworld" --
+int(2)
+
+-- Iteration with str value "hello\0\100\xaaaworld" --
+int(2)
+Done
diff --git a/tests/std/strings/strings001.phpt b/tests/std/strings/strings001.phpt
new file mode 100644
index 00000000..47842482
--- /dev/null
+++ b/tests/std/strings/strings001.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Test whether strstr() and strrchr() are binary safe.
+--FILE--
+<?php
+$s = "alabala nica".chr(0)."turska panica";
+var_dump(strstr($s, "nic"));
+var_dump(strrchr($s," nic"));
+?>
+--EXPECTREGEX--
+string\(18\) \"nica\x00turska panica\"
+string\(7\) \" panica\"
diff --git a/tests/std/strings/strip_tags.phpt b/tests/std/strings/strip_tags.phpt
new file mode 100644
index 00000000..e594e179
--- /dev/null
+++ b/tests/std/strings/strip_tags.phpt
@@ -0,0 +1,27 @@
+--TEST--
+strip_tags() function
+--FILE--
+<?php
+    echo strip_tags('NEAT <? cool < blah ?> STUFF');
+    echo "\n";
+    echo strip_tags('NEAT <? cool > blah ?> STUFF');
+    echo "\n";
+    echo strip_tags('NEAT <!-- cool < blah --> STUFF');
+    echo "\n";
+    echo strip_tags('NEAT <!-- cool > blah --> STUFF');
+    echo "\n";
+    echo strip_tags('NEAT <? echo \"\\\"\"?> STUFF');
+    echo "\n";
+    echo strip_tags('NEAT <? echo \'\\\'\'?> STUFF');
+    echo "\n";
+    echo strip_tags('TESTS ?!!?!?!!!?!!');
+    echo "\n";
+?>
+--EXPECT--
+NEAT  STUFF
+NEAT  STUFF
+NEAT  STUFF
+NEAT  STUFF
+NEAT  STUFF
+NEAT  STUFF
+TESTS ?!!?!?!!!?!!
diff --git a/tests/std/strings/strip_tags_array.phpt b/tests/std/strings/strip_tags_array.phpt
new file mode 100644
index 00000000..5c2e6118
--- /dev/null
+++ b/tests/std/strings/strip_tags_array.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Test strip_tags() function : basic functionality - with array argument
+--FILE--
+<?php
+
+$string = '<p>foo <b>bar</b> <a href="#">foobar</a></p>';
+var_dump(strip_tags($string));
+var_dump(strip_tags($string, ['a']));
+var_dump(strip_tags($string, ['p', 'a']));
+var_dump(strip_tags($string, []));
+var_dump(strip_tags($string, ['p' => true, 'a' => false]));
+var_dump(strip_tags($string, ['p' => 'a']));
+
+// Previous tests from strip_tags_variation2.phpt
+var_dump(strip_tags($string, [0]));
+var_dump(strip_tags($string, [1]));
+var_dump(strip_tags($string, [1, 2]));
+var_dump(strip_tags($string, ['color' => 'red', 'item' => 'pen']));
+echo "Done";
+?>
+--EXPECT--
+string(14) "foo bar foobar"
+string(30) "foo bar <a href="#">foobar</a>"
+string(37) "<p>foo bar <a href="#">foobar</a></p>"
+string(14) "foo bar foobar"
+string(14) "foo bar foobar"
+string(30) "foo bar <a href="#">foobar</a>"
+string(14) "foo bar foobar"
+string(14) "foo bar foobar"
+string(14) "foo bar foobar"
+string(14) "foo bar foobar"
+Done
diff --git a/tests/std/strings/strip_tags_basic1.phpt b/tests/std/strings/strip_tags_basic1.phpt
new file mode 100644
index 00000000..b930e585
--- /dev/null
+++ b/tests/std/strings/strip_tags_basic1.phpt
@@ -0,0 +1,68 @@
+--TEST--
+Test strip_tags() function : basic functionality - with default arguments
+--FILE--
+<?php
+echo "*** Testing strip_tags() : basic functionality ***\n";
+
+// array of arguments
+$string_array = array (
+  "<html>hello</html>",
+  '<html>hello</html>',
+  "<?php echo hello ?>",
+  '<?php echo hello ?>',
+  "<? echo hello ?>",
+  '<? echo hello ?>',
+  "<% echo hello %>",
+  '<% echo hello %>',
+  "<script language=\"PHP\"> echo hello </script>",
+  '<script language=\"PHP\"> echo hello </script>',
+  "<html><b>hello</b><p>world</p></html>",
+  '<html><b>hello</b><p>world</p></html>',
+  "<html><!-- COMMENT --></html>",
+  '<html><!-- COMMENT --></html>'
+);
+
+
+// Calling strip_tags() with default arguments
+// loop through the $string_array to test strip_tags on various inputs
+$iteration = 1;
+foreach($string_array as $string)
+{
+  echo "-- Iteration $iteration --\n";
+  var_dump( strip_tags($string) );
+  $iteration++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : basic functionality ***
+-- Iteration 1 --
+string(5) "hello"
+-- Iteration 2 --
+string(5) "hello"
+-- Iteration 3 --
+string(0) ""
+-- Iteration 4 --
+string(0) ""
+-- Iteration 5 --
+string(0) ""
+-- Iteration 6 --
+string(0) ""
+-- Iteration 7 --
+string(0) ""
+-- Iteration 8 --
+string(0) ""
+-- Iteration 9 --
+string(12) " echo hello "
+-- Iteration 10 --
+string(12) " echo hello "
+-- Iteration 11 --
+string(10) "helloworld"
+-- Iteration 12 --
+string(10) "helloworld"
+-- Iteration 13 --
+string(0) ""
+-- Iteration 14 --
+string(0) ""
+Done
diff --git a/tests/std/strings/strip_tags_basic2.phpt b/tests/std/strings/strip_tags_basic2.phpt
new file mode 100644
index 00000000..6d961bc1
--- /dev/null
+++ b/tests/std/strings/strip_tags_basic2.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test strip_tags() function : basic functionality - with all arguments
+--FILE--
+<?php
+echo "*** Testing strip_tags() : basic functionality ***\n";
+
+// Calling strip_tags() with all possible arguments
+$string = "<html><p>hello</p><b>world</b><a href=\"#fragment\">Other text</a></html><?php echo hello ?>";
+
+$allowed_tags_array=array(
+  "<html>",
+  '<html>',
+  "<p>",
+  '<p>',
+  "<a>",
+  '<a>',
+  "<?php",
+  '<?php',
+  "<html><p><a><?php"
+);
+
+// loop through the $string with various $allowed_tags_array to test strip_tags
+// on various allowed tags
+$iteration = 1;
+foreach($allowed_tags_array as $tags)
+{
+  echo "-- Iteration $iteration --\n";
+  var_dump( strip_tags($string, $tags) );
+  $iteration++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : basic functionality ***
+-- Iteration 1 --
+string(33) "<html>helloworldOther text</html>"
+-- Iteration 2 --
+string(33) "<html>helloworldOther text</html>"
+-- Iteration 3 --
+string(27) "<p>hello</p>worldOther text"
+-- Iteration 4 --
+string(27) "<p>hello</p>worldOther text"
+-- Iteration 5 --
+string(44) "helloworld<a href="#fragment">Other text</a>"
+-- Iteration 6 --
+string(44) "helloworld<a href="#fragment">Other text</a>"
+-- Iteration 7 --
+string(20) "helloworldOther text"
+-- Iteration 8 --
+string(20) "helloworldOther text"
+-- Iteration 9 --
+string(64) "<html><p>hello</p>world<a href="#fragment">Other text</a></html>"
+Done
diff --git a/tests/std/strings/strip_tags_variation10.phpt b/tests/std/strings/strip_tags_variation10.phpt
new file mode 100644
index 00000000..73e775a1
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation10.phpt
@@ -0,0 +1,48 @@
+--TEST--
+Test strip_tags() function : usage variations - single quoted strings
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving single quoted strings as values for $str argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+
+$single_quote_string = array (
+  '<html> \$ -> This represents the dollar sign</html><?php echo hello ?>',
+  '<html>\t\r\v The quick brown fo\fx jumped over the lazy dog</p>',
+  '<a>This is a hyper text tag</a>',
+  '<? <html>hello world\\t</html>?>',
+  '<p>This is a paragraph</p>',
+  '<b>This is \ta text in bold letters\r\s\malong with slashes\n</b>'
+);
+
+$quotes = "<html><a><p><b><?php";
+
+//loop through the various elements of strings array to test strip_tags() functionality
+$iterator = 1;
+foreach($single_quote_string as $string_value)
+{
+      echo "-- Iteration $iterator --\n";
+      var_dump( strip_tags($string_value, $quotes) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(51) "<html> \$ -> This represents the dollar sign</html>"
+-- Iteration 2 --
+string(63) "<html>\t\r\v The quick brown fo\fx jumped over the lazy dog</p>"
+-- Iteration 3 --
+string(31) "<a>This is a hyper text tag</a>"
+-- Iteration 4 --
+string(0) ""
+-- Iteration 5 --
+string(26) "<p>This is a paragraph</p>"
+-- Iteration 6 --
+string(65) "<b>This is \ta text in bold letters\r\s\malong with slashes\n</b>"
+Done
diff --git a/tests/std/strings/strip_tags_variation11.phpt b/tests/std/strings/strip_tags_variation11.phpt
new file mode 100644
index 00000000..eb819383
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation11.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test strip_tags() function : obscure values within attributes
+--FILE--
+<?php
+
+echo "*** Testing strip_tags() : obscure functionality ***\n";
+
+// array of arguments
+$string_array = array (
+  'hello <img title="<"> world',
+  'hello <img title=">"> world',
+  'hello <img title=">_<"> world',
+  "hello <img title='>_<'> world"
+);
+
+
+// Calling strip_tags() with default arguments
+// loop through the $string_array to test strip_tags on various inputs
+$iteration = 1;
+foreach($string_array as $string)
+{
+  echo "-- Iteration $iteration --\n";
+  var_dump( strip_tags($string) );
+  $iteration++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : obscure functionality ***
+-- Iteration 1 --
+string(12) "hello  world"
+-- Iteration 2 --
+string(12) "hello  world"
+-- Iteration 3 --
+string(12) "hello  world"
+-- Iteration 4 --
+string(12) "hello  world"
+Done
diff --git a/tests/std/strings/strip_tags_variation2.phpt b/tests/std/strings/strip_tags_variation2.phpt
new file mode 100644
index 00000000..10d112a6
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation2.phpt
@@ -0,0 +1,133 @@
+--TEST--
+Test strip_tags() function : usage variations - unexpected values for 'allowable_tags'
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving unexpected values for $allowable_tags argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+// Initialise function argument
+$string = "<html><a>hello</a></html><p>world</p><!-- COMMENT --><?php echo hello ?>";
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//get a resource variable
+$fp = fopen(__FILE__, "r");
+
+//get a class
+class classA{
+   public function __toString(){
+     return "Class A Object";
+   }
+}
+
+//array of values to iterate over
+$values = array(
+
+      // int data
+      0,
+      1,
+      12345,
+      -2345,
+
+      // float data
+      10.5,
+      -10.5,
+      10.5e10,
+      10.6E-10,
+      .5,
+
+      // null data
+      NULL,
+      null,
+
+      // boolean data
+      true,
+      false,
+      TRUE,
+      FALSE,
+
+      // empty data
+      "",
+      '',
+
+      // object data
+      new classA(),
+
+      // undefined data
+      @$undefined_var,
+
+      // unset data
+      @$unset_var,
+
+      // resource variable
+      $fp
+);
+
+// loop through each element of the array for allowable_tags
+$iterator = 1;
+foreach($values as $value) {
+      echo "-- Iteration $iterator --\n";
+      try {
+        var_dump(strip_tags($string, $value));
+      } catch (TypeError $exception) {
+        echo $exception->getMessage() . "\n";
+      }
+      $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(10) "helloworld"
+-- Iteration 2 --
+string(10) "helloworld"
+-- Iteration 3 --
+string(10) "helloworld"
+-- Iteration 4 --
+string(10) "helloworld"
+-- Iteration 5 --
+string(10) "helloworld"
+-- Iteration 6 --
+string(10) "helloworld"
+-- Iteration 7 --
+string(10) "helloworld"
+-- Iteration 8 --
+string(10) "helloworld"
+-- Iteration 9 --
+string(10) "helloworld"
+-- Iteration 10 --
+string(10) "helloworld"
+-- Iteration 11 --
+string(10) "helloworld"
+-- Iteration 12 --
+string(10) "helloworld"
+-- Iteration 13 --
+string(10) "helloworld"
+-- Iteration 14 --
+string(10) "helloworld"
+-- Iteration 15 --
+string(10) "helloworld"
+-- Iteration 16 --
+string(10) "helloworld"
+-- Iteration 17 --
+string(10) "helloworld"
+-- Iteration 18 --
+string(10) "helloworld"
+-- Iteration 19 --
+string(10) "helloworld"
+-- Iteration 20 --
+string(10) "helloworld"
+-- Iteration 21 --
+strip_tags(): Argument #2 ($allowed_tags) must be of type array|string|null, resource given
+Done
diff --git a/tests/std/strings/strip_tags_variation4.phpt b/tests/std/strings/strip_tags_variation4.phpt
new file mode 100644
index 00000000..f82be502
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation4.phpt
@@ -0,0 +1,67 @@
+--TEST--
+Test strip_tags() function : usage variations - invalid values for 'str' and valid 'allowable_tags'
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving invalid values for $str and valid values for $allowable_tags argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+// unexpected values for $string
+$strings = array (
+  "<abc>hello</abc> \t\tworld... <ppp>strip_tags_test</ppp>",
+  '<abc>hello</abc> \t\tworld... <ppp>strip_tags_test</ppp>',
+  "<%?php hello\t world?%>",
+  '<%?php hello\t world?%>',
+  "<<htmL>>hello<</htmL>>",
+  '<<htmL>>hello<</htmL>>',
+  "<a.>HtMl text</.a>",
+  '<a.>HtMl text</.a>',
+  "<nnn>I am not a valid html text</nnn>",
+  '<nnn>I am not a valid html text</nnn>',
+  "<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>",
+  '<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>',
+);
+
+//valid html and php tags
+$quotes = "<p><a><?php<html>";
+
+//loop through the various elements of strings array to test strip_tags() functionality
+$iterator = 1;
+foreach($strings as $string_value)
+{
+      echo "-- Iteration $iterator --\n";
+      var_dump( strip_tags($string_value, $quotes) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(32) "hello 		world... strip_tags_test"
+-- Iteration 2 --
+string(34) "hello \t\tworld... strip_tags_test"
+-- Iteration 3 --
+string(0) ""
+-- Iteration 4 --
+string(0) ""
+-- Iteration 5 --
+string(18) "<htmL>hello</htmL>"
+-- Iteration 6 --
+string(18) "<htmL>hello</htmL>"
+-- Iteration 7 --
+string(9) "HtMl text"
+-- Iteration 8 --
+string(9) "HtMl text"
+-- Iteration 9 --
+string(26) "I am not a valid html text"
+-- Iteration 10 --
+string(26) "I am not a valid html text"
+-- Iteration 11 --
+string(62) "I am a quoted (") string with special chars like $,\!,\@,\%,\&"
+-- Iteration 12 --
+string(64) "I am a quoted (\") string with special chars like \$,\!,\@,\%,\&"
+Done
diff --git a/tests/std/strings/strip_tags_variation5.phpt b/tests/std/strings/strip_tags_variation5.phpt
new file mode 100644
index 00000000..71406c28
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation5.phpt
@@ -0,0 +1,96 @@
+--TEST--
+Test strip_tags() function : usage variations - heredoc strings
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving heredoc strings as values for $str argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+// null here doc string
+$null_string = <<<EOT
+EOT;
+
+// heredoc string with blank line
+$blank_line = <<<EOT
+
+EOT;
+
+// here doc with multiline string
+$multiline_string = <<<EOT
+<html>hello world</html>
+<p>13 &lt; 25</p>
+<?php 1111 &amp; 0000 = 0000 ?>
+<b>This is a double quoted string</b>
+EOT;
+
+// here doc with different whitespaces
+$diff_whitespaces = <<<EOT
+<html>hello\r world\t
+1111\t\t != 2222\v\v</html>
+<? heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces ?>
+EOT;
+
+// here doc with numeric values
+$numeric_string = <<<EOT
+<html>11 < 12. 123 >22</html>
+<p>string</p> 1111\t <b>0000\t = 0000\n</b>
+EOT;
+
+// heredoc with quote chars & slash
+$quote_char_string = <<<EOT
+<html>This's a string with quotes:</html>
+"strings in double quote";
+'strings in single quote';
+<html>this\line is single quoted /with\slashes </html>
+EOT;
+
+$res_heredoc_strings = array(
+  //heredoc strings
+  $null_string,
+  $blank_line,
+  $multiline_string,
+  $diff_whitespaces,
+  $numeric_string,
+  $quote_char_string
+);
+
+// initialize the second argument
+$quotes = "<html><a><?php";
+
+// loop through $res_heredoc_strings element and check the working on strip_tags()
+$count = 1;
+for($index =0; $index < count($res_heredoc_strings); $index ++) {
+  echo "-- Iteration $count --\n";
+  var_dump( strip_tags($res_heredoc_strings[$index], $quotes) );
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(0) ""
+-- Iteration 2 --
+string(0) ""
+-- Iteration 3 --
+string(67) "<html>hello world</html>
+13 &lt; 25
+
+This is a double quoted string"
+-- Iteration 4 --
+string(44) "<html>hello
 world	
+1111		 != 2222</html>
+"
+-- Iteration 5 --
+string(56) "<html>11 < 12. 123 >22</html>
+string 1111	 0000	 = 0000
+"
+-- Iteration 6 --
+string(150) "<html>This's a string with quotes:</html>
+"strings in double quote";
+'strings in single quote';
+<html>this\line is single quoted /with\slashes </html>"
+Done
diff --git a/tests/std/strings/strip_tags_variation6.phpt b/tests/std/strings/strip_tags_variation6.phpt
new file mode 100644
index 00000000..be46406e
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation6.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test strip_tags() function : usage variations - binary safe checking
+--FILE--
+<?php
+/*
+ * testing whether strip_tags() is binary safe or not
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+//various string inputs
+$strings = array (
+  "<html> I am html string </html>".chr(0)."<?php I am php string ?>",
+  "<html> I am html string\0 </html><?php I am php string ?>",
+  "<a>I am html string</a>",
+  "<html>I am html string</html>".decbin(65)."<?php I am php string?>"
+);
+
+//loop through the strings array to check if strip_tags() is binary safe
+$iterator = 1;
+foreach($strings as $value)
+{
+      echo "-- Iteration $iterator --\n";
+      var_dump( strip_tags($value) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(18) " I am html string "
+-- Iteration 2 --
+string(18) " I am html string "
+-- Iteration 3 --
+string(16) "I am html string"
+-- Iteration 4 --
+string(23) "I am html string1000001"
+Done
diff --git a/tests/std/strings/strip_tags_variation7.phpt b/tests/std/strings/strip_tags_variation7.phpt
new file mode 100644
index 00000000..0c00a6c1
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation7.phpt
@@ -0,0 +1,65 @@
+--TEST--
+Test strip_tags() function : usage variations - invalid values for 'str' and 'allowable_tags'
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving invalid values for $str and $allowable_tags argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+$strings = array (
+  "<abc>hello</abc> \t\tworld... <ppp>strip_tags_test</ppp>",
+  '<abc>hello</abc> \t\tworld... <ppp>strip_tags_test</ppp>',
+  "<%?php hello\t world?%>",
+  '<%?php hello\t world?%>',
+  "<<htmL>>hello<</htmL>>",
+  '<<htmL>>hello<</htmL>>',
+  "<a.>HtMl text</.a>",
+  '<a.>HtMl text</.a>',
+  "<nnn>I am not a valid html text</nnn>",
+  '<nnn>I am not a valid html text</nnn>',
+  "<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>",
+  '<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>',
+);
+
+$quotes = "<nnn><abc><%?<<html>>";
+
+//loop through the various elements of strings array to test strip_tags() functionality
+$iterator = 1;
+foreach($strings as $string_value)
+{
+      echo "-- Iteration $iterator --\n";
+      var_dump( strip_tags($string_value, $quotes) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(43) "<abc>hello</abc> 		world... strip_tags_test"
+-- Iteration 2 --
+string(45) "<abc>hello</abc> \t\tworld... strip_tags_test"
+-- Iteration 3 --
+string(0) ""
+-- Iteration 4 --
+string(0) ""
+-- Iteration 5 --
+string(18) "<htmL>hello</htmL>"
+-- Iteration 6 --
+string(18) "<htmL>hello</htmL>"
+-- Iteration 7 --
+string(9) "HtMl text"
+-- Iteration 8 --
+string(9) "HtMl text"
+-- Iteration 9 --
+string(37) "<nnn>I am not a valid html text</nnn>"
+-- Iteration 10 --
+string(37) "<nnn>I am not a valid html text</nnn>"
+-- Iteration 11 --
+string(73) "<nnn>I am a quoted (") string with special chars like $,\!,\@,\%,\&</nnn>"
+-- Iteration 12 --
+string(75) "<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>"
+Done
diff --git a/tests/std/strings/strip_tags_variation8.phpt b/tests/std/strings/strip_tags_variation8.phpt
new file mode 100644
index 00000000..bd98632d
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation8.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test strip_tags() function : usage variations - valid value for 'str' and invalid values for 'allowable_tags'
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving valid value for $str and invalid values for $allowable_tags argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+$strings = "<html>hello</html> \tworld... <p>strip_tags_test\v\f</p><?php hello\t wo\rrld?>";
+
+$quotes = array (
+  "<nnn>",
+  '<nnn>',
+  "<abc>",
+  '<abc>',
+  "<%?php",
+  '<%?php',
+  "<<html>>",
+  '<<html>>'
+);
+
+//loop through the various elements of strings array to test strip_tags() functionality
+$iterator = 1;
+foreach($quotes as $string_value)
+{
+      echo "-- Iteration $iterator --\n";
+      var_dump( strip_tags($strings, $string_value) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(33) "hello 	world... strip_tags_test"
+-- Iteration 2 --
+string(33) "hello 	world... strip_tags_test"
+-- Iteration 3 --
+string(33) "hello 	world... strip_tags_test"
+-- Iteration 4 --
+string(33) "hello 	world... strip_tags_test"
+-- Iteration 5 --
+string(33) "hello 	world... strip_tags_test"
+-- Iteration 6 --
+string(33) "hello 	world... strip_tags_test"
+-- Iteration 7 --
+string(46) "<html>hello</html> 	world... strip_tags_test"
+-- Iteration 8 --
+string(46) "<html>hello</html> 	world... strip_tags_test"
+Done
diff --git a/tests/std/strings/strip_tags_variation9.phpt b/tests/std/strings/strip_tags_variation9.phpt
new file mode 100644
index 00000000..86038903
--- /dev/null
+++ b/tests/std/strings/strip_tags_variation9.phpt
@@ -0,0 +1,48 @@
+--TEST--
+Test strip_tags() function : usage variations - double quoted strings
+--FILE--
+<?php
+/*
+ * testing functionality of strip_tags() by giving double quoted strings as values for $str argument
+*/
+
+echo "*** Testing strip_tags() : usage variations ***\n";
+
+$double_quote_string = array (
+  "<html> \$ -> This represents the dollar sign</html><?php echo hello ?>",
+  "<html>\t\r\v The quick brown fo\fx jumped over the lazy dog</p>",
+  "<a>This is a hyper text tag</a>",
+  "<? <html>hello world\\t</html>?>",
+  "<p>This is a paragraph</p>",
+  "<b>This is \ta text in bold letters\r\s\malong with slashes\n</b>"
+);
+
+$quotes = "<html><a><p><b><?php";
+
+//loop through the various elements of strings array to test strip_tags() functionality
+$iterator = 1;
+foreach($double_quote_string as $string_value)
+{
+      echo "-- Iteration $iterator --\n";
+      var_dump( strip_tags($string_value, $quotes) );
+      $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strip_tags() : usage variations ***
+-- Iteration 1 --
+string(50) "<html> $ -> This represents the dollar sign</html>"
+-- Iteration 2 --
+string(59) "<html>	
 The quick brown fox jumped over the lazy dog</p>"
+-- Iteration 3 --
+string(31) "<a>This is a hyper text tag</a>"
+-- Iteration 4 --
+string(0) ""
+-- Iteration 5 --
+string(26) "<p>This is a paragraph</p>"
+-- Iteration 6 --
+string(62) "<b>This is 	a text in bold letters
\s\malong with slashes
+</b>"
+Done
diff --git a/tests/std/strings/stripcslashes_basic.phpt b/tests/std/strings/stripcslashes_basic.phpt
new file mode 100644
index 00000000..fecef85c
--- /dev/null
+++ b/tests/std/strings/stripcslashes_basic.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test stripcslashes() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing stripcslashes() : basic functionality ***\n";
+var_dump(stripcslashes('\H\e\l\l\o \W\or\l\d'));
+var_dump(stripcslashes('Hello World\\r\\n'));
+var_dump(stripcslashes('\\\Hello World'));
+var_dump(stripcslashes('\x48\x65\x6c\x6c\x6f \x57\x6f\x72\x6c\x64'));
+var_dump(stripcslashes('\110\145\154\154\157 \127\157\162\154\144'));
+
+var_dump(bin2hex(stripcslashes('\\a')));
+var_dump(bin2hex(stripcslashes('\\b')));
+var_dump(bin2hex(stripcslashes('\\f')));
+var_dump(bin2hex(stripcslashes('\\t')));
+var_dump(bin2hex(stripcslashes('\\v')));
+?>
+--EXPECT--
+*** Testing stripcslashes() : basic functionality ***
+string(11) "Hello World"
+string(13) "Hello World
+"
+string(12) "\Hello World"
+string(11) "Hello World"
+string(11) "Hello World"
+string(2) "07"
+string(2) "08"
+string(2) "0c"
+string(2) "09"
+string(2) "0b"
diff --git a/tests/std/strings/stripos.phpt b/tests/std/strings/stripos.phpt
new file mode 100644
index 00000000..9af1e389
--- /dev/null
+++ b/tests/std/strings/stripos.phpt
@@ -0,0 +1,61 @@
+--TEST--
+stripos() function test
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+    var_dump(stripos("test string", "TEST"));
+    var_dump(stripos("test string", "strIng"));
+    var_dump(stripos("test string", "stRin"));
+    var_dump(stripos("test string", "t S"));
+    var_dump(stripos("test string", "G"));
+    var_dump(stripos("te".chr(0)."st", chr(0)));
+    var_dump(stripos("tEst", "test"));
+    var_dump(stripos("teSt", "test"));
+    var_dump(stripos("", ""));
+    var_dump(stripos("a", ""));
+    var_dump(stripos("", "a"));
+    var_dump(stripos("a", " "));
+    var_dump(stripos("a", "a"));
+    var_dump(stripos("", 1));
+    var_dump(stripos("", false));
+    var_dump(stripos("", true));
+    var_dump(stripos("a", 1));
+    var_dump(stripos("a", false));
+    var_dump(stripos("a", true));
+    var_dump(stripos("1", 1));
+    var_dump(stripos("0", false));
+    var_dump(stripos("1", true));
+    var_dump(stripos("\\\\a", "\\a"));
+?>
+
+DONE
+?>
+--EXPECT--
+int(0)
+int(5)
+int(5)
+int(3)
+int(10)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+bool(false)
+bool(false)
+int(0)
+bool(false)
+int(0)
+bool(false)
+bool(false)
+int(0)
+bool(false)
+int(0)
+int(0)
+int(0)
+int(1)
+
+DONE
diff --git a/tests/std/strings/stripos_basic1.phpt b/tests/std/strings/stripos_basic1.phpt
new file mode 100644
index 00000000..51e6ce2e
--- /dev/null
+++ b/tests/std/strings/stripos_basic1.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test stripos() function : basic functionality - with default arguments
+--FILE--
+<?php
+echo "*** Testing stripos() function: basic functionality ***\n";
+$heredoc_str = <<<Identifier
+Hello, World
+Identifier;
+
+echo "-- With default arguments --\n";
+//regular string for haystack & needle
+var_dump( stripos("Hello, World", "Hello") );
+var_dump( stripos('Hello, World', "hello") );
+var_dump( stripos("Hello, World", 'World') );
+var_dump( stripos('Hello, World', 'WORLD') );
+
+//single char for needle
+var_dump( stripos("Hello, World", "o") );
+var_dump( stripos("Hello, World", ",") );
+
+//heredoc string for haystack & needle
+var_dump( stripos($heredoc_str, "Hello, World") );
+var_dump( stripos($heredoc_str, 'Hello') );
+var_dump( stripos($heredoc_str, $heredoc_str) );
+
+//non-existing needle in haystack
+var_dump( stripos("Hello, World", "ooo") );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: basic functionality ***
+-- With default arguments --
+int(0)
+int(0)
+int(7)
+int(7)
+int(4)
+int(5)
+int(0)
+int(0)
+int(0)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripos_basic2.phpt b/tests/std/strings/stripos_basic2.phpt
new file mode 100644
index 00000000..02949fbb
--- /dev/null
+++ b/tests/std/strings/stripos_basic2.phpt
@@ -0,0 +1,67 @@
+--TEST--
+Test stripos() function : basic functionality - with all arguments
+--FILE--
+<?php
+echo "*** Testing stripos() function: basic functionality ***\n";
+$heredoc_str = <<<Identifier
+Hello, World
+Identifier;
+
+echo "-- With all arguments --\n";
+//regular string for haystack & needle, with various offsets
+var_dump( stripos("Hello, World", "Hello", 0) );
+var_dump( stripos("Hello, World", 'Hello', 1) );
+var_dump( stripos('Hello, World', 'WORLD', 1) );
+var_dump( stripos('Hello, World', "WoRld", 5) );
+var_dump( stripos('Hello, World', "WoRld", -6) );
+var_dump( stripos('Hello, World', "WoRld", -3) );
+var_dump( stripos('Hello, World', "WoRld", -12) );
+
+//heredoc string for haystack & needle, with various offsets
+var_dump( stripos($heredoc_str, "Hello, World", 0) );
+var_dump( stripos($heredoc_str, 'Hello', 0) );
+var_dump( stripos($heredoc_str, 'Hello', 1) );
+var_dump( stripos($heredoc_str, $heredoc_str, 0) );
+var_dump( stripos($heredoc_str, $heredoc_str, 1) );
+var_dump( stripos($heredoc_str, $heredoc_str, -strlen($heredoc_str)) );
+var_dump( stripos($heredoc_str, $heredoc_str, -strlen($heredoc_str)+1) );
+
+//various offsets
+var_dump( stripos("Hello, World", "o", 3) );
+var_dump( stripos("Hello, World", "O", 5) );
+var_dump( stripos("Hello, World", "o", 6) );
+var_dump( stripos("Hello, World", "o", 10) );
+var_dump( stripos("Hello, World", "o", -7) );
+var_dump( stripos("Hello, World", "o", -8) );
+var_dump( stripos("Hello, World", "o", -10) );
+var_dump( stripos("Hello, World", "o", -4) );
+var_dump( stripos("Hello, World", "o", -3) );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: basic functionality ***
+-- With all arguments --
+int(0)
+bool(false)
+int(7)
+int(7)
+int(7)
+bool(false)
+int(7)
+int(0)
+int(0)
+bool(false)
+int(0)
+bool(false)
+int(0)
+bool(false)
+int(4)
+int(8)
+int(8)
+bool(false)
+int(8)
+int(4)
+int(4)
+int(8)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripos_error.phpt b/tests/std/strings/stripos_error.phpt
new file mode 100644
index 00000000..a3e805a7
--- /dev/null
+++ b/tests/std/strings/stripos_error.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test stripos() function : error conditions
+--FILE--
+<?php
+echo "*** Testing stripos() function: error conditions ***\n";
+
+echo "\n-- Offset beyond the end of the string --\n";
+try {
+    stripos("Hello World", "o", 12);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+echo "\n-- Offset before the start of the string --\n";
+try {
+    stripos("Hello World", "o", -12);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: error conditions ***
+
+-- Offset beyond the end of the string --
+stripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+
+-- Offset before the start of the string --
+stripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation1.phpt b/tests/std/strings/stripos_variation1.phpt
new file mode 100644
index 00000000..e2d8090f
--- /dev/null
+++ b/tests/std/strings/stripos_variation1.phpt
@@ -0,0 +1,209 @@
+--TEST--
+Test stripos() function : usage variations - double quoted strings for 'haystack' & 'needle' arguments
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/* Test stripos() function by passing double quoted strings for 'haystack' & 'needle' arguments */
+
+echo "*** Testing stripos() function: with double quoted strings ***\n";
+$haystack = "Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 ";
+$needle = array(
+  //regular strings
+  "l",
+  "L",
+  "HELLO",
+  "hEllo",
+
+  //escape characters
+  "\t",
+  "\T",  //invalid input
+  "     ",
+  "\n",
+  "\N",  //invalid input
+  "
+",  //new line
+
+  //nulls
+  "\0",
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  "",
+
+  //special chars
+  " ",
+  "$",
+  " $",
+  "&",
+  "!#",
+  "%\o",
+  "\o,",
+  "()",
+  "*+",
+  "+",
+  "-",
+  ".",
+  ".;",
+  ":;",
+  ";",
+  "<=>",
+  ">",
+  "=>",
+  "?",
+  "@",
+  "@hEllo",
+
+  "12345", //decimal numeric string
+  "\x23",  //hexadecimal numeric string
+  "#",  //respective ASCII char of \x23
+  "\101",  //octal numeric string
+  "A",  //respective ASCII char of \101
+  "456HEE",  //numerics + chars
+  $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "-- Iteration $count --\n";
+  var_dump( stripos($haystack, $needle[$index]) );
+  var_dump( stripos($haystack, $needle[$index], $index) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: with double quoted strings ***
+-- Iteration 1 --
+int(2)
+int(2)
+-- Iteration 2 --
+int(2)
+int(2)
+-- Iteration 3 --
+int(0)
+int(34)
+-- Iteration 4 --
+int(0)
+int(34)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+bool(false)
+bool(false)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(7)
+int(7)
+-- Iteration 9 --
+bool(false)
+bool(false)
+-- Iteration 10 --
+int(7)
+int(9)
+-- Iteration 11 --
+int(8)
+bool(false)
+-- Iteration 12 --
+int(0)
+int(11)
+-- Iteration 13 --
+int(0)
+int(12)
+-- Iteration 14 --
+int(0)
+int(13)
+-- Iteration 15 --
+int(10)
+int(47)
+-- Iteration 16 --
+int(12)
+bool(false)
+-- Iteration 17 --
+int(11)
+bool(false)
+-- Iteration 18 --
+int(13)
+bool(false)
+-- Iteration 19 --
+int(14)
+bool(false)
+-- Iteration 20 --
+int(16)
+bool(false)
+-- Iteration 21 --
+int(17)
+bool(false)
+-- Iteration 22 --
+int(20)
+bool(false)
+-- Iteration 23 --
+int(22)
+int(22)
+-- Iteration 24 --
+int(23)
+int(23)
+-- Iteration 25 --
+int(24)
+int(24)
+-- Iteration 26 --
+int(25)
+int(25)
+-- Iteration 27 --
+bool(false)
+bool(false)
+-- Iteration 28 --
+int(27)
+int(27)
+-- Iteration 29 --
+int(28)
+int(28)
+-- Iteration 30 --
+int(29)
+int(29)
+-- Iteration 31 --
+int(31)
+int(31)
+-- Iteration 32 --
+int(30)
+bool(false)
+-- Iteration 33 --
+int(32)
+int(32)
+-- Iteration 34 --
+int(33)
+int(33)
+-- Iteration 35 --
+int(33)
+bool(false)
+-- Iteration 36 --
+int(39)
+int(39)
+-- Iteration 37 --
+int(15)
+int(48)
+-- Iteration 38 --
+int(15)
+int(48)
+-- Iteration 39 --
+int(51)
+int(51)
+-- Iteration 40 --
+int(51)
+int(51)
+-- Iteration 41 --
+bool(false)
+bool(false)
+-- Iteration 42 --
+int(0)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation12.phpt b/tests/std/strings/stripos_variation12.phpt
new file mode 100644
index 00000000..71fb0924
--- /dev/null
+++ b/tests/std/strings/stripos_variation12.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test stripos() function : usage variations - null terminated strings for 'haystack' argument
+--FILE--
+<?php
+/* Test stripos() function with null terminated strings for 'haystack' argument
+ *  in order to check the binary safe
+*/
+
+echo "*** Test stripos() function: binary safe ***\n";
+$haystacks = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello World",
+  "Hello World".chr(0),
+  chr(0).chr(0).chr(0),
+  "Hello\0world",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($haystacks); $index++ ) {
+  var_dump( stripos($haystacks[$index], "\0") );
+  var_dump( stripos($haystacks[$index], "\0", $index) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Test stripos() function: binary safe ***
+int(5)
+int(5)
+int(0)
+bool(false)
+int(11)
+int(11)
+int(0)
+bool(false)
+int(5)
+int(5)
+int(0)
+bool(false)
+int(5)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation13.phpt b/tests/std/strings/stripos_variation13.phpt
new file mode 100644
index 00000000..e86548ee
--- /dev/null
+++ b/tests/std/strings/stripos_variation13.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test stripos() function : usage variations - null terminated strings for 'needle' argument
+--FILE--
+<?php
+/* Test stripos() function with null terminated strings for 'needle' argument
+ *  in order to check binary safe
+*/
+
+echo "*** Test stripos() function: binary safe ***\n";
+$haystack = "\0Hello\0World\0";
+
+$needles = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello World",
+  "Hello World".chr(0),
+  chr(0).chr(0).chr(0),
+  "Hello\0world",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($needles); $index++ ) {
+  var_dump( stripos($haystack, $needles[$index]) );
+  var_dump( stripos($haystack, $needles[$index], $index) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Test stripos() function: binary safe ***
+int(1)
+int(1)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+int(1)
+bool(false)
+int(0)
+bool(false)
+int(1)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation2.phpt b/tests/std/strings/stripos_variation2.phpt
new file mode 100644
index 00000000..47370988
--- /dev/null
+++ b/tests/std/strings/stripos_variation2.phpt
@@ -0,0 +1,217 @@
+--TEST--
+Test stripos() function : usage variations - single quoted strings for 'haystack' & 'needle' arguments
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/* Test stripos() function by passing single quoted strings to 'haystack' & 'needle' arguments */
+
+echo "*** Testing stripos() function: with single quoted strings ***\n";
+$haystack = 'Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 ';
+$needle = array(
+  //regular strings
+  'l',
+  'L',
+  'HELLO',
+  'hEllo',
+
+  //escape characters
+  '\t',
+  '\T',
+  '     ',
+  '\n',
+  '\N',
+  '
+',  //new line
+
+  //nulls
+  '\0',
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  '',
+
+  //special chars
+  ' ',
+  '$',
+  ' $',
+  '&',
+  '!#',
+  '%\o',
+  '\o,',
+  '()',
+  '*+',
+  '+',
+  '-',
+  '.',
+  '.;',
+  '.;',
+  ':;',
+  ';',
+  '<=>',
+  '>',
+  '=>',
+  '?',
+  '@',
+  '@hEllo',
+
+  '12345', //decimal numeric string
+  '\x23',  //hexadecimal numeric string
+  '#',  //hexadecimal numeric string
+  '\101',  //octal numeric string
+  'A',
+  '456HEE',  //numerics + chars
+  42, //needle as int(ASCII value of '*')
+  $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "-- Iteration $count --\n";
+  var_dump( stripos($haystack, $needle[$index]) );
+  var_dump( stripos($haystack, $needle[$index], $index) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: with single quoted strings ***
+-- Iteration 1 --
+int(2)
+int(2)
+-- Iteration 2 --
+int(2)
+int(2)
+-- Iteration 3 --
+int(0)
+int(38)
+-- Iteration 4 --
+int(0)
+int(38)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+int(6)
+int(6)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(8)
+int(8)
+-- Iteration 9 --
+int(8)
+int(8)
+-- Iteration 10 --
+bool(false)
+bool(false)
+-- Iteration 11 --
+int(10)
+int(10)
+-- Iteration 12 --
+int(0)
+int(11)
+-- Iteration 13 --
+int(0)
+int(12)
+-- Iteration 14 --
+int(0)
+int(13)
+-- Iteration 15 --
+int(14)
+int(14)
+-- Iteration 16 --
+int(16)
+int(16)
+-- Iteration 17 --
+int(15)
+bool(false)
+-- Iteration 18 --
+int(17)
+int(17)
+-- Iteration 19 --
+int(18)
+int(18)
+-- Iteration 20 --
+int(20)
+int(20)
+-- Iteration 21 --
+int(21)
+int(21)
+-- Iteration 22 --
+int(24)
+int(24)
+-- Iteration 23 --
+int(26)
+int(26)
+-- Iteration 24 --
+int(27)
+int(27)
+-- Iteration 25 --
+int(28)
+int(28)
+-- Iteration 26 --
+int(29)
+int(29)
+-- Iteration 27 --
+bool(false)
+bool(false)
+-- Iteration 28 --
+bool(false)
+bool(false)
+-- Iteration 29 --
+int(31)
+int(31)
+-- Iteration 30 --
+int(32)
+int(32)
+-- Iteration 31 --
+int(33)
+int(33)
+-- Iteration 32 --
+int(35)
+int(35)
+-- Iteration 33 --
+int(34)
+int(34)
+-- Iteration 34 --
+int(36)
+int(36)
+-- Iteration 35 --
+int(37)
+int(37)
+-- Iteration 36 --
+int(37)
+int(37)
+-- Iteration 37 --
+int(43)
+int(43)
+-- Iteration 38 --
+int(52)
+int(52)
+-- Iteration 39 --
+int(19)
+bool(false)
+-- Iteration 40 --
+int(58)
+int(58)
+-- Iteration 41 --
+bool(false)
+bool(false)
+-- Iteration 42 --
+bool(false)
+bool(false)
+-- Iteration 43 --
+bool(false)
+bool(false)
+-- Iteration 44 --
+int(0)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation3.phpt b/tests/std/strings/stripos_variation3.phpt
new file mode 100644
index 00000000..f88cda61
--- /dev/null
+++ b/tests/std/strings/stripos_variation3.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test stripos() function : usage variations - multi line heredoc string for 'haystack' argument
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/* Test stripos() function by passing multi-line heredoc string for haystack and
+ *  with various needles & offsets
+*/
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing multi lines --\n";
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+var_dump( stripos($multi_line_str, "ing", 0) );
+var_dump( stripos($multi_line_str, "ing", 15) );
+var_dump( stripos($multi_line_str, "ing", 22) );
+var_dump( stripos($multi_line_str, "") );
+var_dump( stripos($multi_line_str, " ") );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing multi lines --
+int(14)
+int(23)
+int(23)
+int(0)
+int(7)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation4.phpt b/tests/std/strings/stripos_variation4.phpt
new file mode 100644
index 00000000..b4e4b071
--- /dev/null
+++ b/tests/std/strings/stripos_variation4.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test stripos() function : usage variations - heredoc string containing special chars for 'haystack' argument
+--FILE--
+<?php
+/* Test stripos() function by passing heredoc string containing special chars for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing special chars --\n";
+$special_chars_str = <<<EOD
+Ex'ple of h'doc st'g, contains
+$#%^*&*_("_")!#@@!$#$^^&$*(special)
+chars.
+EOD;
+var_dump( stripos($special_chars_str, "Ex'ple", 0) );
+var_dump( stripos($special_chars_str, "!@@!", 23) );
+var_dump( stripos($special_chars_str, '_') );
+var_dump( stripos($special_chars_str, '("_")') );
+var_dump( stripos($special_chars_str, "$*") );
+var_dump( stripos($special_chars_str, "$*", 10) );
+var_dump( stripos($special_chars_str, "(special)") );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing special chars --
+int(0)
+bool(false)
+int(38)
+int(39)
+int(55)
+int(55)
+int(57)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation5.phpt b/tests/std/strings/stripos_variation5.phpt
new file mode 100644
index 00000000..7368903e
--- /dev/null
+++ b/tests/std/strings/stripos_variation5.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Test stripos() function : usage variations - heredoc string containing escape chars for 'haystack' argument
+--FILE--
+<?php
+/* Test stripos() function by passing heredoc string containing escape chars for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing escape characters --\n";
+$control_char_str = <<<EOD
+Hello, World\n
+Hello\tWorld
+EOD;
+var_dump( stripos($control_char_str, "\n") );
+var_dump( stripos($control_char_str, "\t") );
+var_dump( stripos($control_char_str, "\n", 12) );
+var_dump( stripos($control_char_str, "\t", 15) );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing escape characters --
+int(12)
+int(19)
+int(12)
+int(19)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation6.phpt b/tests/std/strings/stripos_variation6.phpt
new file mode 100644
index 00000000..d2be564d
--- /dev/null
+++ b/tests/std/strings/stripos_variation6.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Test stripos() function : usage variations - heredoc string containing quotes for 'haystack' argument
+--FILE--
+<?php
+/* Test stripos() function by passing heredoc string containing quotes for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing stripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing quote & slash chars --\n";
+$quote_char_str = <<<EOD
+it's bright,but i cann't see it.
+"things in double quote"
+'things in single quote'
+this\line is /with\slashs
+EOD;
+var_dump( stripos($quote_char_str, "line") );
+var_dump( stripos($quote_char_str, 'things') );
+var_dump( stripos($quote_char_str, 'things', 0) );
+var_dump( stripos($quote_char_str, "things", 20) );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: with heredoc strings ***
+-- With heredoc string containing quote & slash chars --
+int(88)
+int(34)
+int(34)
+int(34)
+*** Done ***
diff --git a/tests/std/strings/stripos_variation8.phpt b/tests/std/strings/stripos_variation8.phpt
new file mode 100644
index 00000000..675e557c
--- /dev/null
+++ b/tests/std/strings/stripos_variation8.phpt
@@ -0,0 +1,211 @@
+--TEST--
+Test stripos() function : usage variations - repetitive chars for 'haystack' argument
+--FILE--
+<?php
+/* Test stripos() function with strings containing repetitive chars for haystak
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing stripos() function: strings repetitive chars ***\n";
+$haystack = "aBAbaBAbaBabAbAbaBa";
+$needles = array(
+  "aba",
+  "aBA",
+  "ABA",
+  "Aba",
+  "BAb",
+  "bab",
+  "bAb",
+  "BAB"
+);
+
+/* loop through to consider various offsets in getting the position of the needle in haystack string */
+$count = 1;
+for($index = 0; $index < count($needles); $index++) {
+  echo "\n-- Iteration $count --\n";
+  for($offset = 0; $offset <= strlen($haystack); $offset++ ) {
+    var_dump( stripos($haystack, $needles[$index], $offset) );
+  }
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing stripos() function: strings repetitive chars ***
+
+-- Iteration 1 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 2 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 3 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 4 --
+int(0)
+int(2)
+int(2)
+int(4)
+int(4)
+int(6)
+int(6)
+int(8)
+int(8)
+int(10)
+int(10)
+int(12)
+int(12)
+int(14)
+int(14)
+int(16)
+int(16)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 5 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 6 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 7 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+-- Iteration 8 --
+int(1)
+int(1)
+int(3)
+int(3)
+int(5)
+int(5)
+int(7)
+int(7)
+int(9)
+int(9)
+int(11)
+int(11)
+int(13)
+int(13)
+int(15)
+int(15)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/stripslashes_basic.phpt b/tests/std/strings/stripslashes_basic.phpt
new file mode 100644
index 00000000..60c4d995
--- /dev/null
+++ b/tests/std/strings/stripslashes_basic.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test stripslashes() function : basic functionality
+--FILE--
+<?php
+/*
+ * Testing stripslashes() with quoted strings
+*/
+
+echo "*** Testing stripslashes() : basic functionality ***\n";
+
+// Initialize all required variables
+$str_array = array( "How's everybody",   // string containing single quote
+                    'Are you "JOHN"?',   // string with double quotes
+                    'c:\php\stripslashes',   // string with backslashes
+                    'c:\\php\\stripslashes',   // string with double backslashes
+                    "hello\0world"   // string with nul character
+                  );
+
+// Calling striplashes() with all arguments
+foreach( $str_array as $str )  {
+  $str_addslashes = addslashes($str);
+  var_dump("The string after addslashes is:", $str_addslashes);
+  $str_stripslashes = stripslashes($str_addslashes);
+  var_dump("The string after stripslashes is:", $str_stripslashes);
+  if( strcmp($str, $str_stripslashes) != 0 )
+    echo "\nError: Original string and string after stripslashes donot match\n";
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing stripslashes() : basic functionality ***
+string(31) "The string after addslashes is:"
+string(16) "How\'s everybody"
+string(33) "The string after stripslashes is:"
+string(15) "How's everybody"
+string(31) "The string after addslashes is:"
+string(17) "Are you \"JOHN\"?"
+string(33) "The string after stripslashes is:"
+string(15) "Are you "JOHN"?"
+string(31) "The string after addslashes is:"
+string(21) "c:\\php\\stripslashes"
+string(33) "The string after stripslashes is:"
+string(19) "c:\php\stripslashes"
+string(31) "The string after addslashes is:"
+string(21) "c:\\php\\stripslashes"
+string(33) "The string after stripslashes is:"
+string(19) "c:\php\stripslashes"
+string(31) "The string after addslashes is:"
+string(12) "hello\0world"
+string(33) "The string after stripslashes is:"
+string(11) "hello%0world"
+Done
diff --git a/tests/std/strings/stripslashes_variation2.phpt b/tests/std/strings/stripslashes_variation2.phpt
new file mode 100644
index 00000000..ecf6ae8a
--- /dev/null
+++ b/tests/std/strings/stripslashes_variation2.phpt
@@ -0,0 +1,328 @@
+--TEST--
+Test stripslashes() function : usage variations - un-quote strings quoted with addslashes()
+--FILE--
+<?php
+/*
+ * Test stripslashes() with various strings containing characters that can be backslashed.
+ * First adding slashes using addslashes() and then removing the slashes using stripslashes()
+*/
+
+echo "*** Testing stripslashes() : with various strings containing backslashed characters ***\n";
+
+// initialising a heredoc string
+$heredoc_string = <<<EOT
+This is line 1 of 'heredoc' string
+This is line 2 of "heredoc" string
+EOT;
+
+$heredoc_null_string =<<<EOT
+EOT;
+$heredoc_string_only_backslash =<<<EOT
+\
+EOT;
+$heredoc_string_only_single_quote =<<<EOT
+'
+EOT;
+$heredoc_string_only_double_quote =<<<EOT
+"
+EOT;
+
+// initialising the string array
+
+$str_array = array(
+                    // string without any characters that can be backslashed
+                    'Hello world',
+
+                    // string with single quotes
+                    "how're you doing?",
+                    "don't disturb u'r neighbours",
+                    "don't disturb u'r neighbours''",
+                    '',
+                    '\'',
+                    "'",
+                    $heredoc_string_only_single_quote,
+
+                    // string with double quotes
+                    'he said, "he will be on leave"',
+                    'he said, ""he will be on leave"',
+                    '"""PHP"""',
+                    "",
+                    "\"",
+                    '"',
+            "hello\"",
+                    $heredoc_string_only_double_quote,
+
+                    // string with backslash characters
+                    'Is your name Ram\Krishna?',
+                    '\\0.0.0.0',
+                    'c:\php\testcase\stripslashes',
+                    '\\',
+                    $heredoc_string_only_backslash,
+
+                    // string with nul characters
+                    'hello'.chr(0).'world',
+                    chr(0).'hello'.chr(0),
+                    chr(0).chr(0).'hello',
+                    chr(0),
+
+                    // mixed strings
+                    "'\\0.0.0.0'",
+                    "'\\0.0.0.0'".chr(0),
+                    chr(0)."'c:\php\'",
+                    '"\\0.0.0.0"',
+                    '"c:\php\"'.chr(0)."'",
+                    '"hello"'."'world'".chr(0).'//',
+
+            // string with hexadecimal number
+                    "0xABCDEF0123456789",
+                    "\x00",
+                    '!@#$%&*@$%#&/;:,<>',
+                    "hello\x00world",
+
+                    // heredoc strings
+                    $heredoc_string,
+                    $heredoc_null_string
+                  );
+
+$count = 1;
+// looping to test for all strings in $str_array
+foreach( $str_array as $str )  {
+  echo "\n-- Iteration $count --\n";
+  $str_addslashes = addslashes($str);
+  var_dump("The string after addslashes is:", $str_addslashes);
+  $str_stripslashes = stripslashes($str_addslashes);
+  var_dump("The string after stripslashes is:", $str_stripslashes);
+  if( strcmp($str, $str_stripslashes) != 0 )
+    echo "\nError: Original string and string from stripslash() donot match\n";
+  $count ++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing stripslashes() : with various strings containing backslashed characters ***
+
+-- Iteration 1 --
+string(31) "The string after addslashes is:"
+string(11) "Hello world"
+string(33) "The string after stripslashes is:"
+string(11) "Hello world"
+
+-- Iteration 2 --
+string(31) "The string after addslashes is:"
+string(18) "how\'re you doing?"
+string(33) "The string after stripslashes is:"
+string(17) "how're you doing?"
+
+-- Iteration 3 --
+string(31) "The string after addslashes is:"
+string(30) "don\'t disturb u\'r neighbours"
+string(33) "The string after stripslashes is:"
+string(28) "don't disturb u'r neighbours"
+
+-- Iteration 4 --
+string(31) "The string after addslashes is:"
+string(34) "don\'t disturb u\'r neighbours\'\'"
+string(33) "The string after stripslashes is:"
+string(30) "don't disturb u'r neighbours''"
+
+-- Iteration 5 --
+string(31) "The string after addslashes is:"
+string(0) ""
+string(33) "The string after stripslashes is:"
+string(0) ""
+
+-- Iteration 6 --
+string(31) "The string after addslashes is:"
+string(2) "\'"
+string(33) "The string after stripslashes is:"
+string(1) "'"
+
+-- Iteration 7 --
+string(31) "The string after addslashes is:"
+string(2) "\'"
+string(33) "The string after stripslashes is:"
+string(1) "'"
+
+-- Iteration 8 --
+string(31) "The string after addslashes is:"
+string(2) "\'"
+string(33) "The string after stripslashes is:"
+string(1) "'"
+
+-- Iteration 9 --
+string(31) "The string after addslashes is:"
+string(32) "he said, \"he will be on leave\""
+string(33) "The string after stripslashes is:"
+string(30) "he said, "he will be on leave""
+
+-- Iteration 10 --
+string(31) "The string after addslashes is:"
+string(34) "he said, \"\"he will be on leave\""
+string(33) "The string after stripslashes is:"
+string(31) "he said, ""he will be on leave""
+
+-- Iteration 11 --
+string(31) "The string after addslashes is:"
+string(15) "\"\"\"PHP\"\"\""
+string(33) "The string after stripslashes is:"
+string(9) """"PHP""""
+
+-- Iteration 12 --
+string(31) "The string after addslashes is:"
+string(0) ""
+string(33) "The string after stripslashes is:"
+string(0) ""
+
+-- Iteration 13 --
+string(31) "The string after addslashes is:"
+string(2) "\""
+string(33) "The string after stripslashes is:"
+string(1) """
+
+-- Iteration 14 --
+string(31) "The string after addslashes is:"
+string(2) "\""
+string(33) "The string after stripslashes is:"
+string(1) """
+
+-- Iteration 15 --
+string(31) "The string after addslashes is:"
+string(7) "hello\""
+string(33) "The string after stripslashes is:"
+string(6) "hello""
+
+-- Iteration 16 --
+string(31) "The string after addslashes is:"
+string(2) "\""
+string(33) "The string after stripslashes is:"
+string(1) """
+
+-- Iteration 17 --
+string(31) "The string after addslashes is:"
+string(26) "Is your name Ram\\Krishna?"
+string(33) "The string after stripslashes is:"
+string(25) "Is your name Ram\Krishna?"
+
+-- Iteration 18 --
+string(31) "The string after addslashes is:"
+string(9) "\\0.0.0.0"
+string(33) "The string after stripslashes is:"
+string(8) "\0.0.0.0"
+
+-- Iteration 19 --
+string(31) "The string after addslashes is:"
+string(31) "c:\\php\\testcase\\stripslashes"
+string(33) "The string after stripslashes is:"
+string(28) "c:\php\testcase\stripslashes"
+
+-- Iteration 20 --
+string(31) "The string after addslashes is:"
+string(2) "\\"
+string(33) "The string after stripslashes is:"
+string(1) "\"
+
+-- Iteration 21 --
+string(31) "The string after addslashes is:"
+string(2) "\\"
+string(33) "The string after stripslashes is:"
+string(1) "\"
+
+-- Iteration 22 --
+string(31) "The string after addslashes is:"
+string(12) "hello\0world"
+string(33) "The string after stripslashes is:"
+string(11) "hello%0world"
+
+-- Iteration 23 --
+string(31) "The string after addslashes is:"
+string(9) "\0hello\0"
+string(33) "The string after stripslashes is:"
+string(7) "%0hello%0"
+
+-- Iteration 24 --
+string(31) "The string after addslashes is:"
+string(9) "\0\0hello"
+string(33) "The string after stripslashes is:"
+string(7) "%0%0hello"
+
+-- Iteration 25 --
+string(31) "The string after addslashes is:"
+string(2) "\0"
+string(33) "The string after stripslashes is:"
+string(1) "%0"
+
+-- Iteration 26 --
+string(31) "The string after addslashes is:"
+string(13) "\'\\0.0.0.0\'"
+string(33) "The string after stripslashes is:"
+string(10) "'\0.0.0.0'"
+
+-- Iteration 27 --
+string(31) "The string after addslashes is:"
+string(15) "\'\\0.0.0.0\'\0"
+string(33) "The string after stripslashes is:"
+string(11) "'\0.0.0.0'%0"
+
+-- Iteration 28 --
+string(31) "The string after addslashes is:"
+string(15) "\0\'c:\\php\\\'"
+string(33) "The string after stripslashes is:"
+string(10) "%0'c:\php\'"
+
+-- Iteration 29 --
+string(31) "The string after addslashes is:"
+string(13) "\"\\0.0.0.0\""
+string(33) "The string after stripslashes is:"
+string(10) ""\0.0.0.0""
+
+-- Iteration 30 --
+string(31) "The string after addslashes is:"
+string(17) "\"c:\\php\\\"\0\'"
+string(33) "The string after stripslashes is:"
+string(11) ""c:\php\"%0'"
+
+-- Iteration 31 --
+string(31) "The string after addslashes is:"
+string(22) "\"hello\"\'world\'\0//"
+string(33) "The string after stripslashes is:"
+string(17) ""hello"'world'%0//"
+
+-- Iteration 32 --
+string(31) "The string after addslashes is:"
+string(18) "0xABCDEF0123456789"
+string(33) "The string after stripslashes is:"
+string(18) "0xABCDEF0123456789"
+
+-- Iteration 33 --
+string(31) "The string after addslashes is:"
+string(2) "\0"
+string(33) "The string after stripslashes is:"
+string(1) "%0"
+
+-- Iteration 34 --
+string(31) "The string after addslashes is:"
+string(18) "!@#$%&*@$%#&/;:,<>"
+string(33) "The string after stripslashes is:"
+string(18) "!@#$%&*@$%#&/;:,<>"
+
+-- Iteration 35 --
+string(31) "The string after addslashes is:"
+string(12) "hello\0world"
+string(33) "The string after stripslashes is:"
+string(11) "hello%0world"
+
+-- Iteration 36 --
+string(31) "The string after addslashes is:"
+string(73) "This is line 1 of \'heredoc\' string
+This is line 2 of \"heredoc\" string"
+string(33) "The string after stripslashes is:"
+string(69) "This is line 1 of 'heredoc' string
+This is line 2 of "heredoc" string"
+
+-- Iteration 37 --
+string(31) "The string after addslashes is:"
+string(0) ""
+string(33) "The string after stripslashes is:"
+string(0) ""
+Done
diff --git a/tests/std/strings/stripslashes_variation3.phpt b/tests/std/strings/stripslashes_variation3.phpt
new file mode 100644
index 00000000..a2e909b2
--- /dev/null
+++ b/tests/std/strings/stripslashes_variation3.phpt
@@ -0,0 +1,119 @@
+--TEST--
+Test stripslashes() function : usage variations - strings with newline and tab characters
+--FILE--
+<?php
+/*
+ * Test stripslashes() with strings containing newline and tab characters.
+*/
+
+echo "*** Testing stripslashes() : with strings containing newline and tab characters ***\n";
+
+// initialising  heredoc strings
+$heredoc_string_with_newline = <<<EOT
+This is line 1 \nof 'heredoc' string
+This is line 2 \nof "heredoc" string
+EOT;
+
+$heredoc_string_with_tab = <<<EOT
+This is line 1 \tof 'heredoc' string
+This is line 2 \tof "heredoc" string
+EOT;
+// initialising the string array
+
+$str_array = array(
+                    // string with newline character
+                    "\n",
+            "\\n",
+                    "Hello \nworld",
+                    "Hello \\nworld",
+                    '\n',
+            '\\n',
+                    'Hello \nworld',
+                    'Hello \\nworld',
+                    $heredoc_string_with_newline,
+
+                    // string with tab character
+            "\t",
+            "\\t",
+                    "Hello \tworld",
+                    "Hello \\tworld",
+            '\t',
+            '\\t',
+                    'Hello \tworld',
+                    'Hello \\tworld',
+                    $heredoc_string_with_tab
+                  );
+
+$count = 1;
+// looping to test for all strings in $str_array
+foreach( $str_array as $str )  {
+  echo "\n-- Iteration $count --\n";
+  var_dump( stripslashes($str) );
+  $count ++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing stripslashes() : with strings containing newline and tab characters ***
+
+-- Iteration 1 --
+string(1) "
+"
+
+-- Iteration 2 --
+string(1) "n"
+
+-- Iteration 3 --
+string(12) "Hello 
+world"
+
+-- Iteration 4 --
+string(12) "Hello nworld"
+
+-- Iteration 5 --
+string(1) "n"
+
+-- Iteration 6 --
+string(1) "n"
+
+-- Iteration 7 --
+string(12) "Hello nworld"
+
+-- Iteration 8 --
+string(12) "Hello nworld"
+
+-- Iteration 9 --
+string(71) "This is line 1 
+of 'heredoc' string
+This is line 2 
+of "heredoc" string"
+
+-- Iteration 10 --
+string(1) "	"
+
+-- Iteration 11 --
+string(1) "t"
+
+-- Iteration 12 --
+string(12) "Hello 	world"
+
+-- Iteration 13 --
+string(12) "Hello tworld"
+
+-- Iteration 14 --
+string(1) "t"
+
+-- Iteration 15 --
+string(1) "t"
+
+-- Iteration 16 --
+string(12) "Hello tworld"
+
+-- Iteration 17 --
+string(12) "Hello tworld"
+
+-- Iteration 18 --
+string(71) "This is line 1 	of 'heredoc' string
+This is line 2 	of "heredoc" string"
+Done
diff --git a/tests/std/strings/stripslashes_variation4.phpt b/tests/std/strings/stripslashes_variation4.phpt
new file mode 100644
index 00000000..8c65d4bc
--- /dev/null
+++ b/tests/std/strings/stripslashes_variation4.phpt
@@ -0,0 +1,132 @@
+--TEST--
+Test stripslashes() function : usage variations - double dimensional arrays
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+/*
+ * Test stripslashes() with double dimensional arrays
+*/
+
+echo "*** Testing stripslashes() : with double dimensional arrays ***\n";
+
+// initialising the string array
+
+$str_array = array(
+                    array("", array()),
+                    array("", array("")),
+                    array("f\\'oo", "b\\'ar", array("fo\\'o", "b\\'ar")),
+                    array("f\\'oo", "b\\'ar", array("")),
+                    array("f\\'oo", "b\\'ar", array("fo\\'o", "b\\'ar", array(""))),
+                    array("f\\'oo", "b\\'ar", array("fo\\'o", "b\\'ar", array("fo\\'o", "b\\'ar")))
+                  );
+function stripslashes_deep($value)  {
+  $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
+  return $value;
+}
+
+$count = 1;
+// looping to test for all strings in $str_array
+foreach( $str_array as $arr )  {
+  echo "\n-- Iteration $count --\n";
+  var_dump( stripslashes_deep($arr) );
+  $count ++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing stripslashes() : with double dimensional arrays ***
+
+-- Iteration 1 --
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  array(0) {
+  }
+}
+
+-- Iteration 2 --
+array(2) {
+  [0]=>
+  string(0) ""
+  [1]=>
+  array(1) {
+    [0]=>
+    string(0) ""
+  }
+}
+
+-- Iteration 3 --
+array(3) {
+  [0]=>
+  string(4) "f'oo"
+  [1]=>
+  string(4) "b'ar"
+  [2]=>
+  array(2) {
+    [0]=>
+    string(4) "fo'o"
+    [1]=>
+    string(4) "b'ar"
+  }
+}
+
+-- Iteration 4 --
+array(3) {
+  [0]=>
+  string(4) "f'oo"
+  [1]=>
+  string(4) "b'ar"
+  [2]=>
+  array(1) {
+    [0]=>
+    string(0) ""
+  }
+}
+
+-- Iteration 5 --
+array(3) {
+  [0]=>
+  string(4) "f'oo"
+  [1]=>
+  string(4) "b'ar"
+  [2]=>
+  array(3) {
+    [0]=>
+    string(4) "fo'o"
+    [1]=>
+    string(4) "b'ar"
+    [2]=>
+    array(1) {
+      [0]=>
+      string(0) ""
+    }
+  }
+}
+
+-- Iteration 6 --
+array(3) {
+  [0]=>
+  string(4) "f'oo"
+  [1]=>
+  string(4) "b'ar"
+  [2]=>
+  array(3) {
+    [0]=>
+    string(4) "fo'o"
+    [1]=>
+    string(4) "b'ar"
+    [2]=>
+    array(2) {
+      [0]=>
+      string(4) "fo'o"
+      [1]=>
+      string(4) "b'ar"
+    }
+  }
+}
+Done
diff --git a/tests/std/strings/stristr.phpt b/tests/std/strings/stristr.phpt
new file mode 100644
index 00000000..56c99bcb
--- /dev/null
+++ b/tests/std/strings/stristr.phpt
@@ -0,0 +1,32 @@
+--TEST--
+stristr() function
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+    var_dump(stristr("tEsT sTrInG", "tEsT"));
+    var_dump(stristr("tEsT sTrInG", "stRiNg"));
+    var_dump(stristr("tEsT sTrInG", "stRiN"));
+    var_dump(stristr("tEsT sTrInG", "t S"));
+    var_dump(stristr("tEsT sTrInG", "g"));
+    var_dump(md5(stristr("te".chr(0)."st", chr(0))));
+    var_dump(stristr("", ""));
+    var_dump(stristr("a", ""));
+    var_dump(stristr("", "a"));
+    var_dump(md5(stristr("\\\\a\\", "\\a")));
+    var_dump(stristr("tEsT sTrInG", " "));
+?>
+--EXPECT--
+string(11) "tEsT sTrInG"
+string(6) "sTrInG"
+string(6) "sTrInG"
+string(8) "T sTrInG"
+string(1) "G"
+string(32) "7272696018bdeb2c9a3f8d01fc2a9273"
+string(0) ""
+string(1) "a"
+bool(false)
+string(32) "6ec19f52f0766c463f3bb240f4396913"
+string(7) " sTrInG"
diff --git a/tests/std/strings/stristr2.phpt b/tests/std/strings/stristr2.phpt
new file mode 100644
index 00000000..ae2c8e93
--- /dev/null
+++ b/tests/std/strings/stristr2.phpt
@@ -0,0 +1,25 @@
+--TEST--
+stristr() - New parameter: before_needle
+--FILE--
+<?php
+
+$email  = 'AbcCdEfGh';
+var_dump(stristr($email, 'c'));
+var_dump(stristr($email, 'c', 1));
+
+$email  = 'AbCdeEfGh';
+var_dump(stristr($email, 'E'));
+var_dump(stristr($email, 'E', 1));
+
+$email  = 'wazAbCdeEfGh';
+var_dump(stristr($email, 97));
+var_dump(stristr($email, 97, 1));
+
+?>
+--EXPECT--
+string(7) "cCdEfGh"
+string(2) "Ab"
+string(5) "eEfGh"
+string(4) "AbCd"
+bool(false)
+bool(false)
diff --git a/tests/std/strings/stristr_basic.phpt b/tests/std/strings/stristr_basic.phpt
new file mode 100644
index 00000000..922e11b7
--- /dev/null
+++ b/tests/std/strings/stristr_basic.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test stristr() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing stristr() : basic functionality ***\n";
+
+var_dump( stristr("Test string", "teSt") );
+var_dump( stristr("test stRIng", "striNG") );
+var_dump( stristr("teST StrinG", "stRIn") );
+var_dump( stristr("tesT string", "t S") );
+var_dump( stristr("test strinG", "g") );
+var_dump( bin2hex(stristr("te".chr(0)."St", chr(0))) );
+var_dump( stristr("tEst", "test") );
+var_dump( stristr("teSt", "test") );
+
+var_dump( stristr("Test String", "String", false) );
+var_dump( stristr("Test String", "String", true) );
+?>
+--EXPECT--
+*** Testing stristr() : basic functionality ***
+string(11) "Test string"
+string(6) "stRIng"
+string(6) "StrinG"
+string(8) "T string"
+string(1) "G"
+string(6) "005374"
+string(4) "tEst"
+string(4) "teSt"
+string(6) "String"
+string(5) "Test "
diff --git a/tests/std/strings/stristr_variation2.phpt b/tests/std/strings/stristr_variation2.phpt
new file mode 100644
index 00000000..000fd2d9
--- /dev/null
+++ b/tests/std/strings/stristr_variation2.phpt
@@ -0,0 +1,105 @@
+--TEST--
+Test stristr() function : usage variations - test values for $needle argument
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+
+echo "*** Testing stristr() function: with unexpected inputs for 'needle' argument ***\n";
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  }
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+          // integer values
+/*1*/	  0,
+          1,
+          -2,
+          -PHP_INT_MAX,
+
+          // float values
+/*5*/	  10.5,
+          -20.5,
+          10.1234567e10,
+
+          // array values
+/*8*/	  array(),
+          array(0),
+          array(1, 2),
+
+          // boolean values
+/*11*/	  true,
+          false,
+          TRUE,
+          FALSE,
+
+          // objects
+/*17*/	  new sample(),
+
+          // resource
+/*18*/	  $file_handle,
+);
+
+//defining '$pad_length' argument
+$pad_length = "20";
+
+// loop through with each element of the $inputs array to test stristr() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  try {
+    var_dump( stristr("Hello World", $input) );
+  } catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+  }
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+--EXPECT--
+*** Testing stristr() function: with unexpected inputs for 'needle' argument ***
+-- Iteration 1 --
+bool(false)
+-- Iteration 2 --
+bool(false)
+-- Iteration 3 --
+bool(false)
+-- Iteration 4 --
+bool(false)
+-- Iteration 5 --
+bool(false)
+-- Iteration 6 --
+bool(false)
+-- Iteration 7 --
+bool(false)
+-- Iteration 8 --
+stristr(): Argument #2 ($needle) must be of type string, array given
+-- Iteration 9 --
+stristr(): Argument #2 ($needle) must be of type string, array given
+-- Iteration 10 --
+stristr(): Argument #2 ($needle) must be of type string, array given
+-- Iteration 11 --
+bool(false)
+-- Iteration 12 --
+string(11) "Hello World"
+-- Iteration 13 --
+bool(false)
+-- Iteration 14 --
+string(11) "Hello World"
+-- Iteration 15 --
+bool(false)
+-- Iteration 16 --
+stristr(): Argument #2 ($needle) must be of type string, resource given
diff --git a/tests/std/strings/strlen.phpt b/tests/std/strings/strlen.phpt
new file mode 100644
index 00000000..f4d5a403
--- /dev/null
+++ b/tests/std/strings/strlen.phpt
@@ -0,0 +1,199 @@
+--TEST--
+strlen() function
+--SKIPIF--
+<?php
+echo 'skip AOT cannot auto-wrap code with inner function/class declarations';
+?>
+--INI--
+precision = 12
+--FILE--
+<?php
+/* returns the length of a given string */
+
+echo "#### Basic operations and  variations ####\n";
+$strings = array( "Hello, World",
+          'Hello, World',
+          '!!Hello, World',
+          "??Hello, World",
+          "$@#%^&*!~,.:;?",
+          "123",
+          123,
+          "-1.2345",
+          -1.2344,
+          "",
+          " ",
+          "\0",
+          "\x000",					// len = 2
+          "\xABC",					// len = 2
+          "\0000",					// len = 2
+          "0",
+          0,
+          "\t",						// len = 1
+          '\t',						// len = 2
+          TRUE,
+          FALSE,
+          "Hello, World\0",
+          "Hello\0World",
+          'Hello, World\0',
+          "Hello, World\n",
+          "Hello, World\r",
+          "Hello, World\t",
+          "Hello, World\\",
+          "              ",
+          chr(128).chr(234).chr(65).chr(255).chr(0),
+
+          "abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
+                   []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\\\\
+                   abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
+                   []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\\\\
+                   abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
+                   []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\\\\
+                   abcdefghijklmnopqrstuvwxyz0123456789"
+        );
+
+/* loop through to find the length of each string */
+for($i=0; $i<count($strings); $i++) {
+  echo "String length of '$strings[$i]' is => ";
+  var_dump( strlen($strings[$i]) );
+}
+
+
+
+echo "\n#### Testing miscellaneous inputs ####\n";
+
+echo "--- Testing objects ---\n";
+/* we get "Recoverable fatal error: saying Object of class could not be converted
+    to string" by default when an object is passed instead of string:
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class StringCapable {
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_string = new StringCapable;
+
+var_dump(strlen("$obj_string"));
+
+
+echo "\n--- Testing arrays ---\n";
+$str_arr = array("hello", "?world", "!$%**()%**[][[[&@#~!", array());
+var_dump(strlen("$str_arr[1]"));
+var_dump(strlen("$str_arr[2]"));
+
+
+echo "\n--- Testing a longer and heredoc string ---\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(strlen($string));
+
+echo "\n--- Testing a heredoc null string ---\n";
+$str = <<<EOD
+EOD;
+var_dump(strlen($str));
+
+
+echo "\n--- Testing simple and complex syntax strings ---\n";
+$str = 'world';
+
+/* Simple syntax */
+var_dump(strlen("$str"));
+var_dump(strlen("$str'S"));
+var_dump(strlen("$strS"));
+
+/* String with curly braces, complex syntax */
+var_dump(strlen("${str}S"));
+var_dump(strlen("{$str}S"));
+
+echo "\n--- strlen for long float values ---\n";
+/* Here two different outputs, which depends on the rounding value
+   before converting to string. Here Precision = 12  */
+var_dump(strlen(10.55555555555555555555555555));			// len = 13
+var_dump(strlen(10.55555555595555555555555555));			// len = 12
+
+echo "\n--- Nested strlen() ---\n";
+var_dump(strlen(strlen("Hello")));					// len=1
+
+echo "Done\n";
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+#### Basic operations and  variations ####
+String length of 'Hello, World' is => int(12)
+String length of 'Hello, World' is => int(12)
+String length of '!!Hello, World' is => int(14)
+String length of '??Hello, World' is => int(14)
+String length of '$@#%^&*!~,.:;?' is => int(14)
+String length of '123' is => int(3)
+String length of '123' is => int(3)
+String length of '-1.2345' is => int(7)
+String length of '-1.2344' is => int(7)
+String length of '' is => int(0)
+String length of ' ' is => int(1)
+String length of '%0' is => int(1)
+String length of '%00' is => int(2)
+String length of '«C' is => int(2)
+String length of '%00' is => int(2)
+String length of '0' is => int(1)
+String length of '0' is => int(1)
+String length of '	' is => int(1)
+String length of '\t' is => int(2)
+String length of '1' is => int(1)
+String length of '' is => int(0)
+String length of 'Hello, World%0' is => int(13)
+String length of 'Hello%0World' is => int(11)
+String length of 'Hello, World\0' is => int(14)
+String length of 'Hello, World
+' is => int(13)
+String length of 'Hello, World
' is => int(13)
+String length of 'Hello, World	' is => int(13)
+String length of 'Hello, World\' is => int(13)
+String length of '              ' is => int(14)
+String length of '€êAÿ%0' is => int(5)
+String length of 'abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
+                   []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\
+                   abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
+                   []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\
+                   abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
+                   []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\
+                   abcdefghijklmnopqrstuvwxyz0123456789' is => int(495)
+
+#### Testing miscellaneous inputs ####
+--- Testing objects ---
+int(12)
+
+--- Testing arrays ---
+int(6)
+int(20)
+
+--- Testing a longer and heredoc string ---
+int(639)
+
+--- Testing a heredoc null string ---
+int(0)
+
+--- Testing simple and complex syntax strings ---
+int(5)
+int(7)
+
+Warning: Undefined variable $strS in %s on line %d
+int(0)
+int(6)
+int(6)
+
+--- strlen for long float values ---
+int(13)
+int(12)
+
+--- Nested strlen() ---
+int(1)
+Done
diff --git a/tests/std/strings/strlen_basic.phpt b/tests/std/strings/strlen_basic.phpt
new file mode 100644
index 00000000..428d1a17
--- /dev/null
+++ b/tests/std/strings/strlen_basic.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Test strlen() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing strlen() : basic functionality ***\n";
+var_dump(strlen("abcdef"));
+var_dump(strlen(" ab de "));
+var_dump(strlen(""));
+var_dump(strlen("\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"));
+?>
+--EXPECT--
+*** Testing strlen() : basic functionality ***
+int(6)
+int(7)
+int(0)
+int(18)
diff --git a/tests/std/strings/strnatcasecmp_basic.phpt b/tests/std/strings/strnatcasecmp_basic.phpt
new file mode 100644
index 00000000..d1ccf4ff
--- /dev/null
+++ b/tests/std/strings/strnatcasecmp_basic.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test strnatcasecmp() function : basic functionality
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--FILE--
+<?php
+function str_dump($one, $two) {
+    var_dump(strnatcasecmp($one, $two));
+}
+
+echo "*** Testing strnatcasecmp() : basic functionality ***\n";
+
+// Calling strnatcasecmp() with all possible arguments
+str_dump('A', 'a');
+str_dump('a10', 'A20');
+str_dump('A1b', 'a');
+str_dump('x2-y7', 'x8-y8');
+str_dump('1.010', '1.001');
+str_dump(' ab', ' aB');
+str_dump('acc ', 'acc');
+str_dump(11.5, 10.5);
+str_dump(10.5, 10.5E1);
+str_dump('Rfc822.txt', 'rfc2086.txt');
+str_dump('Rfc822.txt', 'rfc822.TXT');
+str_dump('pIc 6', 'pic   7');
+str_dump(0xFFF, 0Xfff);
+
+?>
+--EXPECT--
+*** Testing strnatcasecmp() : basic functionality ***
+int(0)
+int(-1)
+int(1)
+int(-1)
+int(1)
+int(0)
+int(1)
+int(1)
+int(-1)
+int(-1)
+int(0)
+int(-1)
+int(0)
diff --git a/tests/std/strings/strnatcasecmp_variation1.phpt b/tests/std/strings/strnatcasecmp_variation1.phpt
new file mode 100644
index 00000000..5ad38704
--- /dev/null
+++ b/tests/std/strings/strnatcasecmp_variation1.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Test strnatcasecmp() function : variation
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--FILE--
+<?php
+/* Preparation */
+class a
+{
+    function __toString()
+    {
+        return "Hello WORLD";
+    }
+}
+
+class b
+{
+    function __toString()
+    {
+        return "HELLO world";
+    }
+}
+
+$a = new a();
+$b = new b();
+
+function str_dump($a, $b) {
+    var_dump(strnatcasecmp($a, $b));
+}
+
+echo "*** Testing strnatcasecmp() : variation ***\n";
+
+str_dump('0', false);
+str_dump('fooBar', '');
+str_dump('', -1);
+str_dump("Hello\0world", "Helloworld");
+str_dump("\x0", "\0");
+str_dump($a, $b);
+
+?>
+--EXPECT--
+*** Testing strnatcasecmp() : variation ***
+int(1)
+int(1)
+int(-1)
+int(-1)
+int(0)
+int(0)
diff --git a/tests/std/strings/strnatcmp_basic.phpt b/tests/std/strings/strnatcmp_basic.phpt
new file mode 100644
index 00000000..e7cb3586
--- /dev/null
+++ b/tests/std/strings/strnatcmp_basic.phpt
@@ -0,0 +1,74 @@
+--TEST--
+Test strnatcmp() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strnatcmp() : basic functionality ***\n";
+
+$a1 = "abc1";
+$b1 = "abc10";
+$c1 = "abc15";
+$d1 = "abc2";
+
+$a2 = "ABC1";
+$b2 = "ABC10";
+$c2 = "ABC15";
+$d2 = "ABC2";
+
+echo "Less than tests\n";
+var_dump(strnatcmp($a1, $b1));
+var_dump(strnatcmp($a1, $c1));
+var_dump(strnatcmp($a1, $d1));
+var_dump(strnatcmp($b1, $c1));
+var_dump(strnatcmp($d1, $c1));
+
+var_dump(strnatcmp($a1, $b2));
+var_dump(strnatcmp($a1, $c2));
+var_dump(strnatcmp($a1, $d2));
+var_dump(strnatcmp($b1, $c2));
+var_dump(strnatcmp($d1, $c2));
+
+
+echo "Equal too tests\n";
+var_dump(strnatcmp($b1, $b1));
+var_dump(strnatcmp($b1, $b2));
+
+echo "Greater than tests\n";
+var_dump(strnatcmp($b1, $a1));
+var_dump(strnatcmp($c1, $a1));
+var_dump(strnatcmp($d1, $a1));
+var_dump(strnatcmp($c1, $b1));
+var_dump(strnatcmp($c1, $d1));
+
+var_dump(strnatcmp($b1, $a2));
+var_dump(strnatcmp($c1, $a2));
+var_dump(strnatcmp($d1, $a2));
+var_dump(strnatcmp($c1, $b2));
+var_dump(strnatcmp($c1, $d2));
+?>
+--EXPECT--
+*** Testing strnatcmp() : basic functionality ***
+Less than tests
+int(-1)
+int(-1)
+int(-1)
+int(-1)
+int(-1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+Equal too tests
+int(0)
+int(1)
+Greater than tests
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
+int(1)
diff --git a/tests/std/strings/strnatcmp_leftalign.phpt b/tests/std/strings/strnatcmp_leftalign.phpt
new file mode 100644
index 00000000..bdff3d21
--- /dev/null
+++ b/tests/std/strings/strnatcmp_leftalign.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Test strnatcmp() function : left align, whitespace, digits
+--CREDITS--
+Sol Richardson <sr5732358@hotmail.com>
+--FILE--
+<?php
+echo "-- Testing strnatcmp() function whitespace, left-align, digit --\n";
+echo "-- Leading whitespace, digits, string 1 longer --\n";
+$str1 = " 00";
+$str2 = " 0";
+var_dump( strnatcmp( $str1, $str2) );
+
+echo "-- Leading whitespace, digits, string 2 longer --\n";
+$str1 = " 0";
+$str2 = " 00";
+var_dump( strnatcmp( $str1, $str2) );
+?>
+--EXPECT--
+-- Testing strnatcmp() function whitespace, left-align, digit --
+-- Leading whitespace, digits, string 1 longer --
+int(1)
+-- Leading whitespace, digits, string 2 longer --
+int(-1)
diff --git a/tests/std/strings/strncasecmp_basic.phpt b/tests/std/strings/strncasecmp_basic.phpt
new file mode 100644
index 00000000..39c06c45
--- /dev/null
+++ b/tests/std/strings/strncasecmp_basic.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test strncasecmp() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strncasecmp() function: basic functionality ***\n";
+
+echo "-- Testing strncasecmp() with single quoted string --\n";
+var_dump( strncasecmp('Hello', 'Hello', 5) );  //expected: int(0)
+var_dump( strncasecmp('Hello', 'Hi', 5) );  //expected: value < 0
+var_dump( strncasecmp('Hi', 'Hello', 5) );  //expected: value > 0
+
+echo "-- Testing strncasecmp() with double quoted string --\n";
+var_dump( strncasecmp("Hello", "Hello", 5) );  //expected: int(0)
+var_dump( strncasecmp("Hello", "Hi", 5) );  //expected: value < 0
+var_dump( strncasecmp("Hi", "Hello", 5) );  //expected: value > 0
+
+echo "-- Testing strncasecmp() with here-doc string --\n";
+$str = <<<HEREDOC
+Hello
+HEREDOC;
+var_dump( strncasecmp($str, "Hello", 5) );  //expected: int(0)
+var_dump( strncasecmp($str, "Hi", 5) );  //expected: value < 0
+var_dump( strncasecmp("Hi", $str, 5) );  //expected: value > 0
+
+echo "*** Done ***";
+?>
+--EXPECTREGEX--
+\*\*\* Testing strncasecmp\(\) function: basic functionality \*\*\*
+-- Testing strncasecmp\(\) with single quoted string --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Testing strncasecmp\(\) with double quoted string --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Testing strncasecmp\(\) with here-doc string --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncasecmp_error.phpt b/tests/std/strings/strncasecmp_error.phpt
new file mode 100644
index 00000000..46bbdbe3
--- /dev/null
+++ b/tests/std/strings/strncasecmp_error.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Test strncasecmp() function : error conditions
+--FILE--
+<?php
+echo "*** Testing strncasecmp() function: error conditions ***\n";
+$str1 = 'string_val';
+$str2 = 'string_val';
+
+echo "-- Testing strncasecmp() function with invalid argument --\n";
+$len = -10;
+
+try {
+    var_dump( strncasecmp($str1, $str2, $len) );
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+
+?>
+--EXPECT--
+*** Testing strncasecmp() function: error conditions ***
+-- Testing strncasecmp() function with invalid argument --
+strncasecmp(): Argument #3 ($length) must be greater than or equal to 0
diff --git a/tests/std/strings/strncasecmp_variation1.phpt b/tests/std/strings/strncasecmp_variation1.phpt
new file mode 100644
index 00000000..a63879be
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation1.phpt
@@ -0,0 +1,130 @@
+--TEST--
+Test strncasecmp() function: usage variations - case-sensitivity
+--FILE--
+<?php
+/* Test strncasecmp() function with upper-case and lower-case alphabets as inputs for 'str1' and 'str2' */
+
+echo "*** Test strncasecmp() function: with alphabets ***\n";
+echo "-- Passing upper-case letters for 'str1' --\n";
+for($ASCII = 65; $ASCII <= 90; $ASCII++) {
+  var_dump( strncasecmp( chr($ASCII), chr($ASCII), 1 ) );  //comparing uppercase letter with corresponding uppercase letter; exp: int(0)
+  var_dump( strncasecmp( chr($ASCII), chr($ASCII + 32), 1 ) );  //comparing uppercase letter with corresponding lowercase letter; exp: int(0)
+}
+
+echo "\n-- Passing lower-case letters for 'str1' --\n";
+for($ASCII = 97; $ASCII <= 122; $ASCII++) {
+  var_dump( strncasecmp( chr($ASCII), chr($ASCII), 1 ) );  //comparing lowercase letter with corresponding lowercase letter; exp: int(0)
+  var_dump( strncasecmp( chr($ASCII), chr($ASCII - 32), 1 ) );  //comparing lowercase letter with corresponding uppercase letter; exp: int(0)
+}
+echo "*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncasecmp() function: with alphabets ***
+-- Passing upper-case letters for 'str1' --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Passing lower-case letters for 'str1' --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+*** Done ***
diff --git a/tests/std/strings/strncasecmp_variation2.phpt b/tests/std/strings/strncasecmp_variation2.phpt
new file mode 100644
index 00000000..19b56f3e
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation2.phpt
@@ -0,0 +1,58 @@
+--TEST--
+Test strncasecmp() function: usage variations - double quoted strings
+--FILE--
+<?php
+/* Test strncasecmp() function with various double quoted strings for 'str1', 'str2' */
+
+echo "*** Test strncasecmp() function: with double quoted strings ***\n";
+$strings = array(
+  "Hello, World",
+  "hello, world",
+  "HELLO, WORLD",
+  "Hello, World\n",
+  "Hello".chr(0)."World"
+);
+/* loop through to compare each string with the other string */
+$count = 1;
+for($index1 = 0; $index1 < count($strings); $index1++) {
+  echo "-- Iteration $count --\n";
+  for($index2 = 0; $index2 < count($strings); $index2++) {
+    var_dump( strncasecmp( $strings[$index1], $strings[$index2], (strlen($strings[$index1]) + 1) ) );
+  }
+  $count ++;
+}
+echo "*** Done ***\n";
+?>
+--EXPECTREGEX--
+\*\*\* Test strncasecmp\(\) function: with double quoted strings \*\*\*
+-- Iteration 1 --
+int\(0\)
+int\(0\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Iteration 2 --
+int\(0\)
+int\(0\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Iteration 3 --
+int\(0\)
+int\(0\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Iteration 4 --
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+-- Iteration 5 --
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncasecmp_variation3.phpt b/tests/std/strings/strncasecmp_variation3.phpt
new file mode 100644
index 00000000..c81ef24b
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation3.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test strncasecmp() function: usage variations - various lengths
+--FILE--
+<?php
+/* Test strncasecmp() with various lengths */
+
+echo "*** Test strncasecmp() function: with different lengths ***\n";
+/* definitions of required variables */
+$str1 = "Hello, World\n";
+$str2 = "Hello, world\n";
+
+/* loop through to compare the strings, for various length values */
+for($len = strlen($str1); $len >= 0; $len--) {
+  var_dump( strncasecmp($str1, $str2, $len) );
+}
+echo "*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncasecmp() function: with different lengths ***
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+*** Done ***
diff --git a/tests/std/strings/strncasecmp_variation6.phpt b/tests/std/strings/strncasecmp_variation6.phpt
new file mode 100644
index 00000000..3a7b9061
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation6.phpt
@@ -0,0 +1,802 @@
+--TEST--
+Test strncasecmp() function : usage variations - binary safe - all ASCII chars
+--FILE--
+<?php
+/* Test strncasecmp() function with binary values passed to 'str1' & 'str2' */
+
+echo "*** Test strncasecmp() function: with binary inputs ***\n";
+
+/* A binary function should work with all 256 characters that a character(8-bit) can take */
+echo "\n-- Checking with all 256 characters given, in binary format --\n";
+/* loop through to get all 256 character's equivalent binary value, and check working of strncasecmp() */
+$count = 1;
+for($ASCII = 0; $ASCII < 255; $ASCII++) {
+  $str1 = decbin($ASCII);  //ASCII value in binary form
+  $str2 = decbin( ord( chr($ASCII) ) );  //Getting equivalent ASCII value for the character in binary form
+  echo "-- Iteration $count --\n";
+  var_dump( strncasecmp($str1, $str2, 8) );  //comparing all the 8-bits; expected: int(0)
+  var_dump( strncasecmp($str1, $str2, 4) );  //comparing only 4-bits; expected: int(0)
+  $count++;
+}
+
+echo "\n-- Checking with out of character's range, given in binary format --\n";
+$str1 = decbin(256);
+$str2 = decbin( ord( chr(0) ));
+var_dump( strncasecmp($str1, $str2, 8) );  //comparing all the 8-bits; expected: int(1)
+
+echo "\n*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncasecmp() function: with binary inputs ***
+
+-- Checking with all 256 characters given, in binary format --
+-- Iteration 1 --
+int(0)
+int(0)
+-- Iteration 2 --
+int(0)
+int(0)
+-- Iteration 3 --
+int(0)
+int(0)
+-- Iteration 4 --
+int(0)
+int(0)
+-- Iteration 5 --
+int(0)
+int(0)
+-- Iteration 6 --
+int(0)
+int(0)
+-- Iteration 7 --
+int(0)
+int(0)
+-- Iteration 8 --
+int(0)
+int(0)
+-- Iteration 9 --
+int(0)
+int(0)
+-- Iteration 10 --
+int(0)
+int(0)
+-- Iteration 11 --
+int(0)
+int(0)
+-- Iteration 12 --
+int(0)
+int(0)
+-- Iteration 13 --
+int(0)
+int(0)
+-- Iteration 14 --
+int(0)
+int(0)
+-- Iteration 15 --
+int(0)
+int(0)
+-- Iteration 16 --
+int(0)
+int(0)
+-- Iteration 17 --
+int(0)
+int(0)
+-- Iteration 18 --
+int(0)
+int(0)
+-- Iteration 19 --
+int(0)
+int(0)
+-- Iteration 20 --
+int(0)
+int(0)
+-- Iteration 21 --
+int(0)
+int(0)
+-- Iteration 22 --
+int(0)
+int(0)
+-- Iteration 23 --
+int(0)
+int(0)
+-- Iteration 24 --
+int(0)
+int(0)
+-- Iteration 25 --
+int(0)
+int(0)
+-- Iteration 26 --
+int(0)
+int(0)
+-- Iteration 27 --
+int(0)
+int(0)
+-- Iteration 28 --
+int(0)
+int(0)
+-- Iteration 29 --
+int(0)
+int(0)
+-- Iteration 30 --
+int(0)
+int(0)
+-- Iteration 31 --
+int(0)
+int(0)
+-- Iteration 32 --
+int(0)
+int(0)
+-- Iteration 33 --
+int(0)
+int(0)
+-- Iteration 34 --
+int(0)
+int(0)
+-- Iteration 35 --
+int(0)
+int(0)
+-- Iteration 36 --
+int(0)
+int(0)
+-- Iteration 37 --
+int(0)
+int(0)
+-- Iteration 38 --
+int(0)
+int(0)
+-- Iteration 39 --
+int(0)
+int(0)
+-- Iteration 40 --
+int(0)
+int(0)
+-- Iteration 41 --
+int(0)
+int(0)
+-- Iteration 42 --
+int(0)
+int(0)
+-- Iteration 43 --
+int(0)
+int(0)
+-- Iteration 44 --
+int(0)
+int(0)
+-- Iteration 45 --
+int(0)
+int(0)
+-- Iteration 46 --
+int(0)
+int(0)
+-- Iteration 47 --
+int(0)
+int(0)
+-- Iteration 48 --
+int(0)
+int(0)
+-- Iteration 49 --
+int(0)
+int(0)
+-- Iteration 50 --
+int(0)
+int(0)
+-- Iteration 51 --
+int(0)
+int(0)
+-- Iteration 52 --
+int(0)
+int(0)
+-- Iteration 53 --
+int(0)
+int(0)
+-- Iteration 54 --
+int(0)
+int(0)
+-- Iteration 55 --
+int(0)
+int(0)
+-- Iteration 56 --
+int(0)
+int(0)
+-- Iteration 57 --
+int(0)
+int(0)
+-- Iteration 58 --
+int(0)
+int(0)
+-- Iteration 59 --
+int(0)
+int(0)
+-- Iteration 60 --
+int(0)
+int(0)
+-- Iteration 61 --
+int(0)
+int(0)
+-- Iteration 62 --
+int(0)
+int(0)
+-- Iteration 63 --
+int(0)
+int(0)
+-- Iteration 64 --
+int(0)
+int(0)
+-- Iteration 65 --
+int(0)
+int(0)
+-- Iteration 66 --
+int(0)
+int(0)
+-- Iteration 67 --
+int(0)
+int(0)
+-- Iteration 68 --
+int(0)
+int(0)
+-- Iteration 69 --
+int(0)
+int(0)
+-- Iteration 70 --
+int(0)
+int(0)
+-- Iteration 71 --
+int(0)
+int(0)
+-- Iteration 72 --
+int(0)
+int(0)
+-- Iteration 73 --
+int(0)
+int(0)
+-- Iteration 74 --
+int(0)
+int(0)
+-- Iteration 75 --
+int(0)
+int(0)
+-- Iteration 76 --
+int(0)
+int(0)
+-- Iteration 77 --
+int(0)
+int(0)
+-- Iteration 78 --
+int(0)
+int(0)
+-- Iteration 79 --
+int(0)
+int(0)
+-- Iteration 80 --
+int(0)
+int(0)
+-- Iteration 81 --
+int(0)
+int(0)
+-- Iteration 82 --
+int(0)
+int(0)
+-- Iteration 83 --
+int(0)
+int(0)
+-- Iteration 84 --
+int(0)
+int(0)
+-- Iteration 85 --
+int(0)
+int(0)
+-- Iteration 86 --
+int(0)
+int(0)
+-- Iteration 87 --
+int(0)
+int(0)
+-- Iteration 88 --
+int(0)
+int(0)
+-- Iteration 89 --
+int(0)
+int(0)
+-- Iteration 90 --
+int(0)
+int(0)
+-- Iteration 91 --
+int(0)
+int(0)
+-- Iteration 92 --
+int(0)
+int(0)
+-- Iteration 93 --
+int(0)
+int(0)
+-- Iteration 94 --
+int(0)
+int(0)
+-- Iteration 95 --
+int(0)
+int(0)
+-- Iteration 96 --
+int(0)
+int(0)
+-- Iteration 97 --
+int(0)
+int(0)
+-- Iteration 98 --
+int(0)
+int(0)
+-- Iteration 99 --
+int(0)
+int(0)
+-- Iteration 100 --
+int(0)
+int(0)
+-- Iteration 101 --
+int(0)
+int(0)
+-- Iteration 102 --
+int(0)
+int(0)
+-- Iteration 103 --
+int(0)
+int(0)
+-- Iteration 104 --
+int(0)
+int(0)
+-- Iteration 105 --
+int(0)
+int(0)
+-- Iteration 106 --
+int(0)
+int(0)
+-- Iteration 107 --
+int(0)
+int(0)
+-- Iteration 108 --
+int(0)
+int(0)
+-- Iteration 109 --
+int(0)
+int(0)
+-- Iteration 110 --
+int(0)
+int(0)
+-- Iteration 111 --
+int(0)
+int(0)
+-- Iteration 112 --
+int(0)
+int(0)
+-- Iteration 113 --
+int(0)
+int(0)
+-- Iteration 114 --
+int(0)
+int(0)
+-- Iteration 115 --
+int(0)
+int(0)
+-- Iteration 116 --
+int(0)
+int(0)
+-- Iteration 117 --
+int(0)
+int(0)
+-- Iteration 118 --
+int(0)
+int(0)
+-- Iteration 119 --
+int(0)
+int(0)
+-- Iteration 120 --
+int(0)
+int(0)
+-- Iteration 121 --
+int(0)
+int(0)
+-- Iteration 122 --
+int(0)
+int(0)
+-- Iteration 123 --
+int(0)
+int(0)
+-- Iteration 124 --
+int(0)
+int(0)
+-- Iteration 125 --
+int(0)
+int(0)
+-- Iteration 126 --
+int(0)
+int(0)
+-- Iteration 127 --
+int(0)
+int(0)
+-- Iteration 128 --
+int(0)
+int(0)
+-- Iteration 129 --
+int(0)
+int(0)
+-- Iteration 130 --
+int(0)
+int(0)
+-- Iteration 131 --
+int(0)
+int(0)
+-- Iteration 132 --
+int(0)
+int(0)
+-- Iteration 133 --
+int(0)
+int(0)
+-- Iteration 134 --
+int(0)
+int(0)
+-- Iteration 135 --
+int(0)
+int(0)
+-- Iteration 136 --
+int(0)
+int(0)
+-- Iteration 137 --
+int(0)
+int(0)
+-- Iteration 138 --
+int(0)
+int(0)
+-- Iteration 139 --
+int(0)
+int(0)
+-- Iteration 140 --
+int(0)
+int(0)
+-- Iteration 141 --
+int(0)
+int(0)
+-- Iteration 142 --
+int(0)
+int(0)
+-- Iteration 143 --
+int(0)
+int(0)
+-- Iteration 144 --
+int(0)
+int(0)
+-- Iteration 145 --
+int(0)
+int(0)
+-- Iteration 146 --
+int(0)
+int(0)
+-- Iteration 147 --
+int(0)
+int(0)
+-- Iteration 148 --
+int(0)
+int(0)
+-- Iteration 149 --
+int(0)
+int(0)
+-- Iteration 150 --
+int(0)
+int(0)
+-- Iteration 151 --
+int(0)
+int(0)
+-- Iteration 152 --
+int(0)
+int(0)
+-- Iteration 153 --
+int(0)
+int(0)
+-- Iteration 154 --
+int(0)
+int(0)
+-- Iteration 155 --
+int(0)
+int(0)
+-- Iteration 156 --
+int(0)
+int(0)
+-- Iteration 157 --
+int(0)
+int(0)
+-- Iteration 158 --
+int(0)
+int(0)
+-- Iteration 159 --
+int(0)
+int(0)
+-- Iteration 160 --
+int(0)
+int(0)
+-- Iteration 161 --
+int(0)
+int(0)
+-- Iteration 162 --
+int(0)
+int(0)
+-- Iteration 163 --
+int(0)
+int(0)
+-- Iteration 164 --
+int(0)
+int(0)
+-- Iteration 165 --
+int(0)
+int(0)
+-- Iteration 166 --
+int(0)
+int(0)
+-- Iteration 167 --
+int(0)
+int(0)
+-- Iteration 168 --
+int(0)
+int(0)
+-- Iteration 169 --
+int(0)
+int(0)
+-- Iteration 170 --
+int(0)
+int(0)
+-- Iteration 171 --
+int(0)
+int(0)
+-- Iteration 172 --
+int(0)
+int(0)
+-- Iteration 173 --
+int(0)
+int(0)
+-- Iteration 174 --
+int(0)
+int(0)
+-- Iteration 175 --
+int(0)
+int(0)
+-- Iteration 176 --
+int(0)
+int(0)
+-- Iteration 177 --
+int(0)
+int(0)
+-- Iteration 178 --
+int(0)
+int(0)
+-- Iteration 179 --
+int(0)
+int(0)
+-- Iteration 180 --
+int(0)
+int(0)
+-- Iteration 181 --
+int(0)
+int(0)
+-- Iteration 182 --
+int(0)
+int(0)
+-- Iteration 183 --
+int(0)
+int(0)
+-- Iteration 184 --
+int(0)
+int(0)
+-- Iteration 185 --
+int(0)
+int(0)
+-- Iteration 186 --
+int(0)
+int(0)
+-- Iteration 187 --
+int(0)
+int(0)
+-- Iteration 188 --
+int(0)
+int(0)
+-- Iteration 189 --
+int(0)
+int(0)
+-- Iteration 190 --
+int(0)
+int(0)
+-- Iteration 191 --
+int(0)
+int(0)
+-- Iteration 192 --
+int(0)
+int(0)
+-- Iteration 193 --
+int(0)
+int(0)
+-- Iteration 194 --
+int(0)
+int(0)
+-- Iteration 195 --
+int(0)
+int(0)
+-- Iteration 196 --
+int(0)
+int(0)
+-- Iteration 197 --
+int(0)
+int(0)
+-- Iteration 198 --
+int(0)
+int(0)
+-- Iteration 199 --
+int(0)
+int(0)
+-- Iteration 200 --
+int(0)
+int(0)
+-- Iteration 201 --
+int(0)
+int(0)
+-- Iteration 202 --
+int(0)
+int(0)
+-- Iteration 203 --
+int(0)
+int(0)
+-- Iteration 204 --
+int(0)
+int(0)
+-- Iteration 205 --
+int(0)
+int(0)
+-- Iteration 206 --
+int(0)
+int(0)
+-- Iteration 207 --
+int(0)
+int(0)
+-- Iteration 208 --
+int(0)
+int(0)
+-- Iteration 209 --
+int(0)
+int(0)
+-- Iteration 210 --
+int(0)
+int(0)
+-- Iteration 211 --
+int(0)
+int(0)
+-- Iteration 212 --
+int(0)
+int(0)
+-- Iteration 213 --
+int(0)
+int(0)
+-- Iteration 214 --
+int(0)
+int(0)
+-- Iteration 215 --
+int(0)
+int(0)
+-- Iteration 216 --
+int(0)
+int(0)
+-- Iteration 217 --
+int(0)
+int(0)
+-- Iteration 218 --
+int(0)
+int(0)
+-- Iteration 219 --
+int(0)
+int(0)
+-- Iteration 220 --
+int(0)
+int(0)
+-- Iteration 221 --
+int(0)
+int(0)
+-- Iteration 222 --
+int(0)
+int(0)
+-- Iteration 223 --
+int(0)
+int(0)
+-- Iteration 224 --
+int(0)
+int(0)
+-- Iteration 225 --
+int(0)
+int(0)
+-- Iteration 226 --
+int(0)
+int(0)
+-- Iteration 227 --
+int(0)
+int(0)
+-- Iteration 228 --
+int(0)
+int(0)
+-- Iteration 229 --
+int(0)
+int(0)
+-- Iteration 230 --
+int(0)
+int(0)
+-- Iteration 231 --
+int(0)
+int(0)
+-- Iteration 232 --
+int(0)
+int(0)
+-- Iteration 233 --
+int(0)
+int(0)
+-- Iteration 234 --
+int(0)
+int(0)
+-- Iteration 235 --
+int(0)
+int(0)
+-- Iteration 236 --
+int(0)
+int(0)
+-- Iteration 237 --
+int(0)
+int(0)
+-- Iteration 238 --
+int(0)
+int(0)
+-- Iteration 239 --
+int(0)
+int(0)
+-- Iteration 240 --
+int(0)
+int(0)
+-- Iteration 241 --
+int(0)
+int(0)
+-- Iteration 242 --
+int(0)
+int(0)
+-- Iteration 243 --
+int(0)
+int(0)
+-- Iteration 244 --
+int(0)
+int(0)
+-- Iteration 245 --
+int(0)
+int(0)
+-- Iteration 246 --
+int(0)
+int(0)
+-- Iteration 247 --
+int(0)
+int(0)
+-- Iteration 248 --
+int(0)
+int(0)
+-- Iteration 249 --
+int(0)
+int(0)
+-- Iteration 250 --
+int(0)
+int(0)
+-- Iteration 251 --
+int(0)
+int(0)
+-- Iteration 252 --
+int(0)
+int(0)
+-- Iteration 253 --
+int(0)
+int(0)
+-- Iteration 254 --
+int(0)
+int(0)
+-- Iteration 255 --
+int(0)
+int(0)
+
+-- Checking with out of character's range, given in binary format --
+int(1)
+
+*** Done ***
diff --git a/tests/std/strings/strncasecmp_variation7.phpt b/tests/std/strings/strncasecmp_variation7.phpt
new file mode 100644
index 00000000..bb6be7c2
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation7.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Test strncasecmp() function : usage variations - binary safe
+--FILE--
+<?php
+/* Test strncasecmp() function with null terminated strings and binary values passed to 'str1' & 'str2' */
+
+echo "*** Test strncasecmp() function: with null terminated strings and binary inputs ***\n";
+
+/* A binary function should not expect a null terminated string, and it should treat input as a raw stream of data */
+$str1 = "Hello\0world";
+$str2 = "Hello\0";
+$str3 = "Hello,".chr(0)."world";
+var_dump( strncasecmp($str1, $str2, 12) );
+var_dump( strncasecmp($str3, "Hello,world", 12) );
+
+echo "*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncasecmp() function: with null terminated strings and binary inputs ***
+int(1)
+int(-119)
+*** Done ***
diff --git a/tests/std/strings/strncasecmp_variation8.phpt b/tests/std/strings/strncasecmp_variation8.phpt
new file mode 100644
index 00000000..b0a6f2fc
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation8.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test strncasecmp() function: usage variations - single quoted strings
+--FILE--
+<?php
+/* Test strncasecmp() function with various single quoted strings for 'str1', 'str2' */
+
+echo "*** Test strncasecmp() function: with single quoted strings ***\n";
+$strings = array(
+  'Hello, World',
+  'hello, world',
+  'HELLO, WORLD',
+  'Hello, World\n'
+);
+/* loop through to compare each string with the other string */
+$count = 1;
+for($index1 = 0; $index1 < count($strings); $index1++) {
+  echo "-- Iteration $count --\n";
+  for($index2 = 0; $index2 < count($strings); $index2++) {
+    var_dump( strncasecmp( $strings[$index1], $strings[$index2], (strlen($strings[$index1]) + 1) ) );
+  }
+  $count ++;
+}
+echo "*** Done ***\n";
+?>
+--EXPECTREGEX--
+\*\*\* Test strncasecmp\(\) function: with single quoted strings \*\*\*
+-- Iteration 1 --
+int\(0\)
+int\(0\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+-- Iteration 2 --
+int\(0\)
+int\(0\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+-- Iteration 3 --
+int\(0\)
+int\(0\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+-- Iteration 4 --
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(0\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncasecmp_variation9.phpt b/tests/std/strings/strncasecmp_variation9.phpt
new file mode 100644
index 00000000..7b0c19d2
--- /dev/null
+++ b/tests/std/strings/strncasecmp_variation9.phpt
@@ -0,0 +1,87 @@
+--TEST--
+Test strncasecmp() function: usage variations - heredoc strings
+--FILE--
+<?php
+/* Test strncasecmp() function with here-doc strings for 'str1', 'str2' */
+
+echo "*** Test strncasecmp() function: with here-doc strings ***\n";
+
+/* multi line heredoc string */
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+
+/* identifier name contains underscore */
+$identifier_str1 = <<<identifier_str1
+Example of heredoc
+string, whose identifier
+having underscore("_")
+& numeric value.
+identifier_str1;
+
+/* identifier name starts with underscore */
+$identifier_str2 = <<<_identifier_str2
+Hello, World
+hello, world
+_identifier_str2;
+
+/* string containing control character */
+$control_char_str = <<<EOD
+Hello, World\n
+Hello\0World
+EOD;
+
+/* heredoc string with quote chars & slash */
+$quote_char_string = <<<EOD
+it's bright,but i cann't see it.
+"things in double quote"
+'things in single quote'
+this\line is /with\slashs
+EOD;
+
+/* heredoc string with blank line */
+$blank_line = <<<EOD
+
+EOD;
+
+/* empty heredoc string */
+$empty_string = <<<EOD
+EOD;
+
+$strings = array(
+  $multi_line_str,
+  $identifier_str1,
+  $identifier_str2,
+  $control_char_str,
+  $quote_char_string,
+  $blank_line,
+  $empty_string
+);
+/* loop through to compare the strings */
+$index2 = count($strings);
+for($index1 = 0; $index1 < count($strings); $index1++) {
+  $index2--;
+  var_dump( strncasecmp( $strings[$index1], $strings[$index1], strlen($strings[$index1]) ) );
+  var_dump( strncasecmp( $strings[$index1], $strings[$index2], strlen($strings[$index1]) ) );
+}
+echo "*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncasecmp() function: with here-doc strings ***
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(-1)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+*** Done ***
diff --git a/tests/std/strings/strncmp_basic.phpt b/tests/std/strings/strncmp_basic.phpt
new file mode 100644
index 00000000..f0344f4c
--- /dev/null
+++ b/tests/std/strings/strncmp_basic.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test strncmp() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strncmp() function: basic functionality ***\n";
+
+echo "-- Testing strncmp() with single quoted string --\n";
+var_dump( strncmp('Hello', 'Hello', 5) );  //expected: int(0)
+var_dump( strncmp('Hello', 'Hi', 5) );  //expected: value < 0
+var_dump( strncmp('Hi', 'Hello', 5) );  //expected: value > 0
+
+echo "-- Testing strncmp() with double quoted string --\n";
+var_dump( strncmp("Hello", "Hello", 5) );  //expected: int(0)
+var_dump( strncmp("Hello", "Hi", 5) );  //expected: value < 0
+var_dump( strncmp("Hi", "Hello", 5) );  //expected: value > 0
+
+echo "-- Testing strncmp() with here-doc string --\n";
+$str = <<<HEREDOC
+Hello
+HEREDOC;
+var_dump( strncmp($str, "Hello", 5) );  //expected: int(0)
+var_dump( strncmp($str, "Hi", 5) );  //expected: value < 0
+var_dump( strncmp("Hi", $str, 5) );  //expected: value > 0
+
+echo "*** Done ***";
+?>
+--EXPECTREGEX--
+\*\*\* Testing strncmp\(\) function: basic functionality \*\*\*
+-- Testing strncmp\(\) with single quoted string --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Testing strncmp\(\) with double quoted string --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Testing strncmp\(\) with here-doc string --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncmp_error.phpt b/tests/std/strings/strncmp_error.phpt
new file mode 100644
index 00000000..ed836510
--- /dev/null
+++ b/tests/std/strings/strncmp_error.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Test strncmp() function : error conditions
+--FILE--
+<?php
+/* Test strncmp() function with more/less number of args and invalid args */
+
+echo "*** Testing strncmp() function: error conditions ***\n";
+$str1 = 'string_val';
+$str2 = 'string_val';
+
+/* Invalid argument for $len */
+$len = -10;
+
+try {
+    var_dump( strncmp($str1, $str2, $len) );
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+
+?>
+--EXPECT--
+*** Testing strncmp() function: error conditions ***
+strncmp(): Argument #3 ($length) must be greater than or equal to 0
diff --git a/tests/std/strings/strncmp_variation1.phpt b/tests/std/strings/strncmp_variation1.phpt
new file mode 100644
index 00000000..03353b42
--- /dev/null
+++ b/tests/std/strings/strncmp_variation1.phpt
@@ -0,0 +1,130 @@
+--TEST--
+Test strncmp() function: usage variations - case-sensitivity
+--FILE--
+<?php
+/* Test strncmp() function with upper-case and lower-case alphabets as inputs for 'str1' and 'str2' */
+
+echo "*** Test strncmp() function: with alphabets ***\n";
+echo "-- Passing upper-case letters for 'str1' --\n";
+for($ASCII = 65; $ASCII <= 90; $ASCII++) {
+  var_dump( strncmp( chr($ASCII), chr($ASCII), 1 ) );  //comparing uppercase letters with uppercase letters; exp: int(0)
+  var_dump( strncmp( chr($ASCII), chr($ASCII + 32), 1 ) );  //comparing uppercase letters with lowercase letters; exp: value < 0
+}
+
+echo "\n-- Passing lower-case letters for 'str1' --\n";
+for($ASCII = 97; $ASCII <= 122; $ASCII++) {
+  var_dump( strncmp( chr($ASCII), chr($ASCII), 1 ) );  //comparing lowercase letters with lowercase letters; exp: int(0)
+  var_dump( strncmp( chr($ASCII), chr($ASCII - 32), 1 ) );  //comparing lowercase letters with uppercase letters; exp: value > 0
+}
+echo "*** Done ***";
+?>
+--EXPECTREGEX--
+\*\*\* Test strncmp\(\) function: with alphabets \*\*\*
+-- Passing upper-case letters for 'str1' --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+
+-- Passing lower-case letters for 'str1' --
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncmp_variation2.phpt b/tests/std/strings/strncmp_variation2.phpt
new file mode 100644
index 00000000..d871a960
--- /dev/null
+++ b/tests/std/strings/strncmp_variation2.phpt
@@ -0,0 +1,58 @@
+--TEST--
+Test strncmp() function: usage variations - double quoted strings
+--FILE--
+<?php
+/* Test strncmp() function with double quoted strings for 'str1', 'str2' */
+
+echo "*** Test strncmp() function: with double quoted strings ***\n";
+$strings = array(
+  "Hello, World",
+  "hello, world",
+  "HELLO, WORLD",
+  "Hello, World\n",
+  "Hello".chr(0)."World"
+);
+/* loop through to compare each string with the other string */
+$count = 1;
+for($index1 = 0; $index1 < count($strings); $index1++) {
+  echo "-- Iteration $count --\n";
+  for($index2 = 0; $index2 < count($strings); $index2++) {
+    var_dump( strncmp( $strings[$index1], $strings[$index2], (strlen($strings[$index1]) + 1) ) );
+  }
+  $count ++;
+}
+echo "*** Done ***\n";
+?>
+--EXPECTREGEX--
+\*\*\* Test strncmp\(\) function: with double quoted strings \*\*\*
+-- Iteration 1 --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Iteration 2 --
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Iteration 3 --
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+-- Iteration 4 --
+int\([1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+-- Iteration 5 --
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncmp_variation3.phpt b/tests/std/strings/strncmp_variation3.phpt
new file mode 100644
index 00000000..6375f630
--- /dev/null
+++ b/tests/std/strings/strncmp_variation3.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test strncmp() function: usage variations - different lengths
+--FILE--
+<?php
+/* Test strncmp() with various lengths */
+
+echo "*** Test strncmp() function: with different lengths ***\n";
+/* definitions of required variables */
+$str1 = "Hello, World\n";
+$str2 = "Hello, world\n";
+
+/* loop through to compare the strings, for various length values */
+for($len = strlen($str1); $len >= 0; $len--) {
+  var_dump( strncmp($str1, $str2, $len) );
+}
+echo "*** Done ***\n";
+?>
+--EXPECTREGEX--
+\*\*\* Test strncmp\(\) function: with different lengths \*\*\*
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(0\)
+int\(0\)
+int\(0\)
+int\(0\)
+int\(0\)
+int\(0\)
+int\(0\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncmp_variation7.phpt b/tests/std/strings/strncmp_variation7.phpt
new file mode 100644
index 00000000..f7232613
--- /dev/null
+++ b/tests/std/strings/strncmp_variation7.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Test strncmp() function : usage variations - binary safe(null terminated strings)
+--FILE--
+<?php
+/* Test strncmp() function with binary values passed to 'str1' & 'str2' and with the null terminated strings */
+
+echo "*** Test strncmp() function: Checking with the null terminated strings ***\n";
+
+/* A binary function should not expect a null terminated string, and it should treat input as a raw stream of data */
+$str1 = "Hello\0world";
+$str2 = "Hello\0";
+var_dump( strncmp($str1, $str2, 12) );  //expected: int(5);
+
+echo "*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncmp() function: Checking with the null terminated strings ***
+int(1)
+*** Done ***
diff --git a/tests/std/strings/strncmp_variation8.phpt b/tests/std/strings/strncmp_variation8.phpt
new file mode 100644
index 00000000..ff4864e1
--- /dev/null
+++ b/tests/std/strings/strncmp_variation8.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test strncmp() function: usage variations - single quoted strings
+--FILE--
+<?php
+/* Test strncmp() function with single quoted strings for 'str1', 'str2' */
+
+echo "*** Test strncmp() function: with single quoted strings ***\n";
+$strings = array(
+  'Hello, World',
+  'hello, world',
+  'HELLO, WORLD',
+  'Hello, World\n'
+);
+/* loop through to compare each string with the other string */
+$count = 1;
+for($index1 = 0; $index1 < count($strings); $index1++) {
+  echo "-- Iteration $count --\n";
+  for($index2 = 0; $index2 < count($strings); $index2++) {
+    var_dump( strncmp( $strings[$index1], $strings[$index2], (strlen($strings[$index1]) + 1) ) );
+  }
+  $count ++;
+}
+echo "*** Done ***\n";
+?>
+--EXPECTREGEX--
+\*\*\* Test strncmp\(\) function: with single quoted strings \*\*\*
+-- Iteration 1 --
+int\(0\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+-- Iteration 2 --
+int\([1-9][0-9]*\)
+int\(0\)
+int\([1-9][0-9]*\)
+int\([1-9][0-9]*\)
+-- Iteration 3 --
+int\(-[1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\(0\)
+int\(-[1-9][0-9]*\)
+-- Iteration 4 --
+int\([1-9][0-9]*\)
+int\(-[1-9][0-9]*\)
+int\([1-9][0-9]*\)
+int\(0\)
+\*\*\* Done \*\*\*
diff --git a/tests/std/strings/strncmp_variation9.phpt b/tests/std/strings/strncmp_variation9.phpt
new file mode 100644
index 00000000..baa9691d
--- /dev/null
+++ b/tests/std/strings/strncmp_variation9.phpt
@@ -0,0 +1,56 @@
+--TEST--
+Test strncmp() function: usage variations - different inputs(heredoc strings)
+--FILE--
+<?php
+/* Test strncmp() function with different strings for 'str1', 'str2' and considering case sensitive */
+
+echo "*** Test strncmp() function: with different input strings ***\n";
+
+/* heredoc string */
+$str1 = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+
+/* identifier name contains underscore */
+$str2 = <<<identifier_str2
+Example of heredoc
+string, whose identifier
+having underscore("_")
+& numeric value.
+identifier_str2;
+
+/* identifier name starts with underscore */
+$str3 = <<<_identifier_str3
+Hello, World
+hello, world
+_identifier_str3;
+
+/* string containing control characters */
+$str4 = <<<identifier_str4
+Hello, World\n
+Hello\0World
+identifier_str4;
+
+$strings = array(
+  $str1,
+  $str2,
+  $str3,
+  $str4
+);
+/* loop through to compare each string with the other string */
+$count = 1;
+for($index1 = 0; $index1 < count($strings); $index1++) {
+  var_dump( strncmp( $strings[$index1], $strings[$index1], strlen($strings[$index1]) ) );
+  $count ++;
+}
+echo "*** Done ***\n";
+?>
+--EXPECT--
+*** Test strncmp() function: with different input strings ***
+int(0)
+int(0)
+int(0)
+int(0)
+*** Done ***
diff --git a/tests/std/strings/strpbrk_basic.phpt b/tests/std/strings/strpbrk_basic.phpt
new file mode 100644
index 00000000..a9a798fe
--- /dev/null
+++ b/tests/std/strings/strpbrk_basic.phpt
@@ -0,0 +1,33 @@
+--TEST--
+Test strpbrk() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strpbrk() : basic functionality ***\n";
+
+// Initialise all required variables
+$text = 'This is a Simple text.';
+var_dump( strpbrk($text, 'mi') );
+var_dump( strpbrk($text, 'ZS') );
+var_dump( strpbrk($text, 'Z') );
+var_dump( strpbrk($text, 'H') );
+
+$text = '';
+var_dump( strpbrk($text, 'foo') );
+
+$text = "  aaa aaaSLR";
+var_dump( strpbrk($text, '     ') );
+
+var_dump( strpbrk(5, 5) );
+var_dump( strpbrk(5, "5") );
+
+?>
+--EXPECT--
+*** Testing strpbrk() : basic functionality ***
+string(20) "is is a Simple text."
+string(12) "Simple text."
+bool(false)
+bool(false)
+bool(false)
+string(12) "  aaa aaaSLR"
+string(1) "5"
+string(1) "5"
diff --git a/tests/std/strings/strpbrk_error.phpt b/tests/std/strings/strpbrk_error.phpt
new file mode 100644
index 00000000..3d7f84e9
--- /dev/null
+++ b/tests/std/strings/strpbrk_error.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Test strpbrk() function : error conditions
+--FILE--
+<?php
+$haystack = 'This is a Simple text.';
+
+echo "-- Testing strpbrk() function with empty second argument --\n";
+try {
+    strpbrk($haystack, '');
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+?>
+--EXPECT--
+-- Testing strpbrk() function with empty second argument --
+strpbrk(): Argument #2 ($characters) must be a non-empty string
diff --git a/tests/std/strings/strpos.phpt b/tests/std/strings/strpos.phpt
new file mode 100644
index 00000000..b556c9fa
--- /dev/null
+++ b/tests/std/strings/strpos.phpt
@@ -0,0 +1,289 @@
+--TEST--
+Test strpos() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+echo "*** Testing basic functionality of strpos() ***\n";
+var_dump( strpos("test string", "test") );
+var_dump( strpos("test string", "string") );
+var_dump( strpos("test string", "strin") );
+var_dump( strpos("test string", "t s") );
+var_dump( strpos("test string", "g") );
+var_dump( strpos("te".chr(0)."st", chr(0)) );
+var_dump( strpos("tEst", "test") );
+var_dump( strpos("teSt", "test") );
+var_dump( strpos("", "") );
+var_dump( strpos("a", "") );
+var_dump( strpos("", "a") );
+var_dump( strpos("\\\\a", "\\a") );
+
+
+echo "\n*** Testing strpos() to find various needles and a long string ***\n";
+$string =
+"Hello world,012033 -3.3445     NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n
+abcd$:Hello world";
+
+/* needles in an array to get the position of needle in $string */
+$needles = array(
+  "Hello world",
+  "WORLD",
+  "\0",
+  "\x00",
+  "\x000",
+  "abcd",
+  "xyz",
+  "octal",
+  "-3",
+  -3,
+  "-3.344",
+  -3.344,
+  "NULL",
+  "0",
+  0,
+  TRUE,
+  "TRUE",
+  "1",
+  1,
+  FALSE,
+  "FALSE",
+  " ",
+  "     ",
+  'b',
+  '\n',
+  "\n",
+  "12",
+  "12twelve",
+  $string
+);
+
+/* loop through to get the "needle" position in $string */
+for( $i = 0; $i < count($needles); $i++ ) {
+  echo "Position of '$needles[$i]' is => ";
+  var_dump( strpos($string, $needles[$i]) );
+}
+
+
+echo "\n*** Testing strpos() with possible variations in offset ***\n";
+$offset_values = array (
+  1,  // offset = 1
+  "string",  // offset as string, converts to zero
+  "",  // offset as string, converts to zero
+  "0",
+  TRUE,
+  FALSE,
+  "string12",
+  -10, // Not found
+  -15, // Found
+  -strlen($string),
+);
+
+/* loop through to get the "needle" position in $string */
+for( $i = 0; $i < count( $offset_values ); $i++ ) {
+  echo "Position of 'Hello' with offset '$offset_values[$i]' is => ";
+  try {
+    var_dump( strpos($string, "Hello", $offset_values[$i]) );
+  } catch (TypeError $e) {
+    echo "\n", $e->getMessage(), "\n";
+  }
+}
+
+
+echo "\n*** Testing miscellaneous input data ***\n";
+
+echo "-- Passing objects as string and needle --\n";
+/* we get "Recoverable fatal error: saying Object of class needle could not be
+ converted to string" by default when an object is passed instead of string:
+ The error can be avoided by choosing the __toString magix method as follows: */
+
+class StringCapable
+{
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_string = new StringCapable;
+
+class needle
+{
+  function __toString() {
+    return "world";
+  }
+}
+$obj_needle = new needle;
+
+var_dump( strpos("$obj_string", "$obj_needle") );
+
+echo "\n-- Posiibilities with null --\n";
+var_dump( strpos("", NULL) );
+var_dump( strpos(NULL, NULL) );
+var_dump( strpos("a", NULL) );
+var_dump( strpos("/x0", "0") );	 // Hexadecimal NUL
+
+echo "\n-- A longer and heredoc string --\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump( strpos($string, "abcd") );
+var_dump( strpos($string, "abcd", 72) );  // 72 -> "\n" in the first line
+var_dump( strpos($string, "abcd", 73) );  // 73 -> "abcd" in the second line
+var_dump( strpos($string, "9", (strlen($string)-1)) );
+
+echo "\n-- A heredoc null string --\n";
+$str = <<<EOD
+EOD;
+var_dump( strpos($str, "\0") );
+var_dump( strpos($str, "0") );
+
+
+echo "\n-- simple and complex syntax strings --\n";
+$needle = 'world';
+
+/* Simple syntax */
+var_dump( strpos("Hello, world", "$needle") );  // works
+var_dump( strpos("Hello, world'S", "$needle'S") );  // works
+var_dump( strpos("Hello, worldS", "$needleS") );  // won't work
+
+/* String with curly braces, complex syntax */
+var_dump( strpos("Hello, worldS", "${needle}S") );  // works
+var_dump( strpos("Hello, worldS", "{$needle}S") );  // works
+
+echo "\n*** Testing error conditions ***\n";
+var_dump( strpos($string, "") );
+try {
+    strpos($string, "test", strlen($string)+1);  // offset > strlen()
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strpos($string, "test", -strlen($string)-1);  // offset before start
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+?>
+
+DONE
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+*** Testing basic functionality of strpos() ***
+int(0)
+int(5)
+int(5)
+int(3)
+int(10)
+int(2)
+bool(false)
+bool(false)
+int(0)
+int(0)
+bool(false)
+int(1)
+
+*** Testing strpos() to find various needles and a long string ***
+Position of 'Hello world' is => int(0)
+Position of 'WORLD' is => bool(false)
+Position of '%0' is => int(46)
+Position of '%0' is => int(46)
+Position of '%00' is => int(58)
+Position of 'abcd' is => int(48)
+Position of 'xyz' is => int(54)
+Position of 'octal' is => int(61)
+Position of '-3' is => int(19)
+Position of '-3' is => int(19)
+Position of '-3.344' is => int(19)
+Position of '-3.344' is => int(19)
+Position of 'NULL' is => int(31)
+Position of '0' is => int(12)
+Position of '0' is => int(12)
+Position of '1' is => int(13)
+Position of 'TRUE' is => int(36)
+Position of '1' is => int(13)
+Position of '1' is => int(13)
+Position of '' is => int(0)
+Position of 'FALSE' is => int(41)
+Position of ' ' is => int(5)
+Position of '     ' is => int(26)
+Position of 'b' is => int(49)
+Position of '\n' is => bool(false)
+Position of '
+' is => int(66)
+Position of '12' is => int(13)
+Position of '12twelve' is => bool(false)
+Position of 'Hello world,012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world' is => int(0)
+
+*** Testing strpos() with possible variations in offset ***
+Position of 'Hello' with offset '1' is => int(74)
+Position of 'Hello' with offset 'string' is => 
+strpos(): Argument #3 ($offset) must be of type int, string given
+Position of 'Hello' with offset '' is => 
+strpos(): Argument #3 ($offset) must be of type int, string given
+Position of 'Hello' with offset '0' is => int(0)
+Position of 'Hello' with offset '1' is => int(74)
+Position of 'Hello' with offset '' is => int(0)
+Position of 'Hello' with offset 'string12' is => 
+strpos(): Argument #3 ($offset) must be of type int, string given
+Position of 'Hello' with offset '-10' is => bool(false)
+Position of 'Hello' with offset '-15' is => int(74)
+Position of 'Hello' with offset '-85' is => int(0)
+
+*** Testing miscellaneous input data ***
+-- Passing objects as string and needle --
+int(7)
+
+-- Posiibilities with null --
+
+Deprecated: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d
+int(0)
+
+Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in %s on line %d
+
+Deprecated: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d
+int(0)
+
+Deprecated: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d
+int(0)
+int(2)
+
+-- A longer and heredoc string --
+int(0)
+int(73)
+int(73)
+int(728)
+
+-- A heredoc null string --
+bool(false)
+bool(false)
+
+-- simple and complex syntax strings --
+int(7)
+int(7)
+
+Warning: Undefined variable $needleS in %s on line %d
+int(0)
+int(7)
+int(7)
+
+*** Testing error conditions ***
+int(0)
+strpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+
+DONE
diff --git a/tests/std/strings/strpos_number.phpt b/tests/std/strings/strpos_number.phpt
new file mode 100644
index 00000000..76cf8e59
--- /dev/null
+++ b/tests/std/strings/strpos_number.phpt
@@ -0,0 +1,15 @@
+--TEST--
+strpos() matching numbers
+--FILE--
+<?php
+// Integer is handles as an octal representation, so nothing to match
+var_dump(strpos("foo 11", 11));
+// int(111) is string("o") in octal. Match expected
+var_dump(strpos("foo bar", 111));
+// string("11") is contained
+var_dump(strpos("foo 11", "11"));
+?>
+--EXPECT--
+int(4)
+bool(false)
+int(4)
diff --git a/tests/std/strings/strpos_variation1.phpt b/tests/std/strings/strpos_variation1.phpt
new file mode 100644
index 00000000..ce224cb7
--- /dev/null
+++ b/tests/std/strings/strpos_variation1.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test strpos() function : usage variations - complex strings containing other than 7-bit chars
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$string = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255);
+$stringAsHex = bin2hex($string);
+echo "-- Positions of some chars in the string '$stringAsHex' are as follows --\n";
+echo bin2hex( chr(128) ) ." => ";
+var_dump( strpos($string, chr(128)) );
+echo bin2hex( chr(255) ) ." => ";
+var_dump( strpos($string, chr(255), 3) );
+echo bin2hex( chr(0) ) ." => ";
+var_dump( strpos($string, chr(0)) );
+?>
+
+DONE
+?>
+--EXPECT--
+-- Positions of some chars in the string '008081eaebfeff' are as follows --
+80 => int(1)
+ff => int(6)
+00 => int(0)
+
+DONE
diff --git a/tests/std/strings/strrchr.phpt b/tests/std/strings/strrchr.phpt
new file mode 100644
index 00000000..2af37264
--- /dev/null
+++ b/tests/std/strings/strrchr.phpt
@@ -0,0 +1,22 @@
+--TEST--
+strrchr() tests
+--FILE--
+<?php
+
+var_dump(strrchr("", ""));
+var_dump(strrchr("abc", ""));
+var_dump(strrchr("", "abc"));
+var_dump(strrchr("abc", "abc"));
+var_dump(strrchr("test ".chr(0)." test", " "));
+var_dump(strrchr("test".chr(0)."string", "t"));
+
+echo "Done\n";
+?>
+--EXPECT--
+bool(false)
+bool(false)
+bool(false)
+string(3) "abc"
+string(5) " test"
+string(5) "tring"
+Done
diff --git a/tests/std/strings/strrchr_basic.phpt b/tests/std/strings/strrchr_basic.phpt
new file mode 100644
index 00000000..870742a9
--- /dev/null
+++ b/tests/std/strings/strrchr_basic.phpt
@@ -0,0 +1,82 @@
+--TEST--
+Test strrchr() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strrchr() function: basic functionality ***\n";
+var_dump( strrchr("Hello, World", "H") ); //needle as single char
+var_dump( strrchr("Hello, World", "H", true) ); //needle as single char
+var_dump( strrchr("Hello, World", "Hello") ); //needle as a first word of haystack
+var_dump( strrchr("Hello, World", "Hello", true) ); //needle as a first word of haystack
+var_dump( strrchr('Hello, World', 'H') );
+var_dump( strrchr('Hello, World', 'H', true) );
+var_dump( strrchr('Hello, World', 'Hello') );
+var_dump( strrchr('Hello, World', 'Hello', true) );
+
+//considering case
+var_dump( strrchr("Hello, World", "h") );
+var_dump( strrchr("Hello, World", "h", true) );
+var_dump( strrchr("Hello, World", "hello") );
+var_dump( strrchr("Hello, World", "hello", true) );
+
+//needle as second word of haystack
+var_dump( strrchr("Hello, World", "World") );
+var_dump( strrchr("Hello, World", "World", true) );
+var_dump( strrchr('Hello, World', 'World') );
+var_dump( strrchr('Hello, World', 'World', true) );
+
+//needle as special char
+var_dump( strrchr("Hello, World", ",") );
+var_dump( strrchr("Hello, World", ",", true) );
+var_dump( strrchr('Hello, World', ',') );
+var_dump( strrchr('Hello, World', ',', true) );
+
+var_dump( strrchr("Hello, World", "Hello, World") ); //needle as haystack
+var_dump( strrchr("Hello, World", "Hello, World", true) ); //needle as haystack
+
+//needle string containing one existing and one non-existing char
+var_dump( strrchr("Hello, World", "Hi") );
+var_dump( strrchr("Hello, World", "Hi", true) );
+
+//multiple existence of needle in haystack
+var_dump( strrchr("Hello, World", "o") );
+var_dump( strrchr("Hello, World", "o", true) );
+var_dump( strrchr("Hello, World", "ooo") );
+var_dump( strrchr("Hello, World", "ooo", true) );
+
+var_dump( strrchr("Hello, World", "Zzzz") ); //non-existent needle in haystack
+var_dump( strrchr("Hello, World", "Zzzz", true) ); //non-existent needle in haystack
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: basic functionality ***
+string(12) "Hello, World"
+string(0) ""
+string(12) "Hello, World"
+string(0) ""
+string(12) "Hello, World"
+string(0) ""
+string(12) "Hello, World"
+string(0) ""
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+string(5) "World"
+string(7) "Hello, "
+string(5) "World"
+string(7) "Hello, "
+string(7) ", World"
+string(5) "Hello"
+string(7) ", World"
+string(5) "Hello"
+string(12) "Hello, World"
+string(0) ""
+string(12) "Hello, World"
+string(0) ""
+string(4) "orld"
+string(8) "Hello, W"
+string(4) "orld"
+string(8) "Hello, W"
+bool(false)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation1.phpt b/tests/std/strings/strrchr_variation1.phpt
new file mode 100644
index 00000000..3e71728e
--- /dev/null
+++ b/tests/std/strings/strrchr_variation1.phpt
@@ -0,0 +1,222 @@
+--TEST--
+Test strrchr() function : usage variations - double quoted strings
+--FILE--
+<?php
+
+/* Test strrchr() function by passing various double quoted strings for 'haystack' & 'needle' */
+
+echo "*** Testing strrchr() function: with various double quoted strings ***";
+$haystack = "Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 ";
+$needle = array(
+  //regular strings
+  "l",
+  "L",
+  "HELLO",
+  "hEllo",
+
+  //escape characters
+  "\t",
+  "\T",
+  "	",
+  "\n",
+  "\N",
+  "
+",  //new line
+
+  //nulls
+  "\0",
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  "",
+
+  //special chars
+  " ",
+  "$",
+  " $",
+  "&",
+  "!#",
+  "%\o",
+  "\o,",
+  "()",
+  "*+",
+  "+",
+  "-",
+  ".",
+  ".;",
+  ":;",
+  ";",
+  "<=>",
+  ">",
+  "=>",
+  "?",
+  "@",
+  "@hEllo",
+
+  "12345", //decimal numeric string
+  "\x23",  //hexadecimal numeric string
+  "#",  //respective ASCII char of \x23
+  "\101",  //octal numeric string
+  "A",  //respective ASCII char of \101
+  "456HEE",  //numerics + chars
+  42, //needle as int(ASCII value of "*")
+  $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strrchr($haystack, $needle[$index]) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing strrchr() function: with various double quoted strings ***
+-- Iteration 1 --
+string(16) "lo123456he #4 A "
+
+-- Iteration 2 --
+bool(false)
+
+-- Iteration 3 --
+string(53) "Hello,	
+%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 4 --
+string(8) "he #4 A "
+
+-- Iteration 5 --
+string(47) "	
+%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 6 --
+string(36) "\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 7 --
+string(47) "	
+%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 8 --
+string(44) "
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 9 --
+string(36) "\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 10 --
+string(44) "
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 11 --
+string(45) "%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 12 --
+string(45) "%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 13 --
+string(45) "%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 14 --
+string(45) "%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 15 --
+string(1) " "
+
+-- Iteration 16 --
+string(41) "$&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 17 --
+string(1) " "
+
+-- Iteration 18 --
+string(40) "&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 19 --
+string(39) "!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 20 --
+string(37) "%\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 21 --
+string(36) "\o,()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 22 --
+string(33) "()*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 23 --
+string(31) "*+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 24 --
+string(30) "+-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 25 --
+string(29) "-./:;<=>?@hello123456he #4 A "
+
+-- Iteration 26 --
+string(28) "./:;<=>?@hello123456he #4 A "
+
+-- Iteration 27 --
+string(28) "./:;<=>?@hello123456he #4 A "
+
+-- Iteration 28 --
+string(26) ":;<=>?@hello123456he #4 A "
+
+-- Iteration 29 --
+string(25) ";<=>?@hello123456he #4 A "
+
+-- Iteration 30 --
+string(24) "<=>?@hello123456he #4 A "
+
+-- Iteration 31 --
+string(22) ">?@hello123456he #4 A "
+
+-- Iteration 32 --
+string(23) "=>?@hello123456he #4 A "
+
+-- Iteration 33 --
+string(21) "?@hello123456he #4 A "
+
+-- Iteration 34 --
+string(20) "@hello123456he #4 A "
+
+-- Iteration 35 --
+string(20) "@hello123456he #4 A "
+
+-- Iteration 36 --
+string(14) "123456he #4 A "
+
+-- Iteration 37 --
+string(5) "#4 A "
+
+-- Iteration 38 --
+string(5) "#4 A "
+
+-- Iteration 39 --
+string(2) "A "
+
+-- Iteration 40 --
+string(2) "A "
+
+-- Iteration 41 --
+string(4) "4 A "
+
+-- Iteration 42 --
+string(4) "4 A "
+
+-- Iteration 43 --
+string(53) "Hello,	
+%0
+  $&!#%\o,()*+-./:;<=>?@hello123456he #4 A "
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation12.phpt b/tests/std/strings/strrchr_variation12.phpt
new file mode 100644
index 00000000..84b9eb76
--- /dev/null
+++ b/tests/std/strings/strrchr_variation12.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test strrchr() function : usage variations - binary safe
+--FILE--
+<?php
+/* Test strrchr() function: with binary values & null terminated strings passed to 'str1' & 'str2' */
+
+echo "*** Test strrchr() function: binary safe ***\n";
+$haystacks = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello World",
+  "Hello World".chr(0),
+  chr(0).chr(0).chr(0),
+  "Hello\0world",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($haystacks); $index++ ) {
+  //needle as null string
+  var_dump( strrchr($haystacks[$index], "\0") );
+  //needle as empty string
+  var_dump( strrchr($haystacks[$index], "") );
+}
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Test strrchr() function: binary safe ***
+string(6) "%0World"
+string(6) "%0World"
+string(12) "%0Hello World"
+string(12) "%0Hello World"
+string(1) "%0"
+string(1) "%0"
+string(1) "%0"
+string(1) "%0"
+string(6) "%0world"
+string(6) "%0world"
+string(6) "%0Hello"
+string(6) "%0Hello"
+string(1) "%0"
+string(1) "%0"
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation2.phpt b/tests/std/strings/strrchr_variation2.phpt
new file mode 100644
index 00000000..646f13a7
--- /dev/null
+++ b/tests/std/strings/strrchr_variation2.phpt
@@ -0,0 +1,207 @@
+--TEST--
+Test strrchr() function : usage variations - single quoted strings
+--FILE--
+<?php
+/* Test strrchr() function by passing various single quoted strings to 'haystack' & 'needle' */
+
+echo "*** Testing strrchr() function: with various single quoted strings ***";
+$haystack = 'Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 ';
+$needle = array(
+  //regular strings
+  'l',
+  'L',
+  'HELLO',
+  'hEllo',
+
+  //escape characters
+  '\t',
+  '\T',
+  '     ',
+  '\n',
+  '\N',
+  '
+',  //new line
+
+  //nulls
+  '\0',
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  '',
+
+  //special chars
+  ' ',
+  '$',
+  ' $',
+  '&',
+  '!#',
+  '%\o',
+  '\o,',
+  '()',
+  '*+',
+  '+',
+  '-',
+  '.',
+  '.;',
+  ':;',
+  ';',
+  '<=>',
+  '>',
+  '=>',
+  '?',
+  '@',
+  '@hEllo',
+
+  '12345', //decimal numeric string
+  '\x23',  //hexadecimal numeric string
+  '#',  //hexadecimal numeric string
+  '\101',  //octal numeric string
+  'A',
+  '456HEE',  //numerics + chars
+  42, //needle as int(ASCII value of '*')
+  $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strrchr($haystack, $needle[$index]) );
+  $count ++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: with various single quoted strings ***
+-- Iteration 1 --
+string(22) "lo123456he \x234 \101 "
+
+-- Iteration 2 --
+bool(false)
+
+-- Iteration 3 --
+string(63) "Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 4 --
+string(14) "he \x234 \101 "
+
+-- Iteration 5 --
+string(5) "\101 "
+
+-- Iteration 6 --
+string(5) "\101 "
+
+-- Iteration 7 --
+string(1) " "
+
+-- Iteration 8 --
+string(5) "\101 "
+
+-- Iteration 9 --
+string(5) "\101 "
+
+-- Iteration 10 --
+bool(false)
+
+-- Iteration 11 --
+string(5) "\101 "
+
+-- Iteration 12 --
+bool(false)
+
+-- Iteration 13 --
+bool(false)
+
+-- Iteration 14 --
+bool(false)
+
+-- Iteration 15 --
+string(1) " "
+
+-- Iteration 16 --
+string(47) "$&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 17 --
+string(1) " "
+
+-- Iteration 18 --
+string(46) "&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 19 --
+string(45) "!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 20 --
+string(43) "%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 21 --
+string(5) "\101 "
+
+-- Iteration 22 --
+string(39) "()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 23 --
+string(37) "*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 24 --
+string(36) "+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 25 --
+string(35) "-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 26 --
+string(34) "./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 27 --
+string(34) "./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 28 --
+string(32) ":;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 29 --
+string(31) ";<=>?@hello123456he \x234 \101 "
+
+-- Iteration 30 --
+string(30) "<=>?@hello123456he \x234 \101 "
+
+-- Iteration 31 --
+string(28) ">?@hello123456he \x234 \101 "
+
+-- Iteration 32 --
+string(29) "=>?@hello123456he \x234 \101 "
+
+-- Iteration 33 --
+string(27) "?@hello123456he \x234 \101 "
+
+-- Iteration 34 --
+string(26) "@hello123456he \x234 \101 "
+
+-- Iteration 35 --
+string(26) "@hello123456he \x234 \101 "
+
+-- Iteration 36 --
+string(2) "1 "
+
+-- Iteration 37 --
+string(5) "\101 "
+
+-- Iteration 38 --
+string(44) "#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+
+-- Iteration 39 --
+string(5) "\101 "
+
+-- Iteration 40 --
+bool(false)
+
+-- Iteration 41 --
+string(7) "4 \101 "
+
+-- Iteration 42 --
+string(7) "4 \101 "
+
+-- Iteration 43 --
+string(63) "Hello,\t\n\0\n  $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation3.phpt b/tests/std/strings/strrchr_variation3.phpt
new file mode 100644
index 00000000..b536dd5b
--- /dev/null
+++ b/tests/std/strings/strrchr_variation3.phpt
@@ -0,0 +1,38 @@
+--TEST--
+Test strrchr() function : usage variations - multi line heredoc string for 'haystack'
+--FILE--
+<?php
+/* Test strrchr() function by passing multi-line heredoc string for haystack and
+ *    with various needles
+*/
+
+echo "*** Testing strrchr() function: with heredoc strings ***\n";
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+
+$needles = array(
+  "ing",
+  "",
+  " ",
+  $multi_line_str //needle as haystack
+);
+
+//loop through to test strrchr() with each needle
+foreach($needles as $needle) {
+  var_dump( strrchr($multi_line_str, $needle) );
+}
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: with heredoc strings ***
+string(19) "ing heredoc syntax."
+bool(false)
+string(8) " syntax."
+string(63) "Example of string
+spanning multiple lines
+using heredoc syntax."
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation4.phpt b/tests/std/strings/strrchr_variation4.phpt
new file mode 100644
index 00000000..dfec9f82
--- /dev/null
+++ b/tests/std/strings/strrchr_variation4.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test strrchr() function : usage variations - heredoc string containing special chars for 'haystack'
+--FILE--
+<?php
+/* Test strrchr() function by passing heredoc string containing special chars for haystack
+ * and with various needles
+*/
+
+echo "*** Testing strrchr() function: with heredoc strings ***\n";
+$special_chars_str = <<<EOD
+Example of heredoc string contains
+$#%^*&*_("_")!#@@!$#$^^&*(special)
+chars.
+EOD;
+
+$heredoc_needle = <<<EOD
+^^&*(
+EOD;
+
+$needles = array(
+  "!@@!",
+  '_',
+  '("_")',
+  "$*",
+  "(special)",
+  $heredoc_needle,  //needle as heredoc string
+  $special_chars_str  //needle as haystack
+);
+
+//loop through to test strrchr() with each needle
+foreach($needles as $needle) {
+  var_dump( strrchr($special_chars_str, $needle) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: with heredoc strings ***
+string(24) "!$#$^^&*(special)
+chars."
+string(31) "_")!#@@!$#$^^&*(special)
+chars."
+string(16) "(special)
+chars."
+string(21) "$^^&*(special)
+chars."
+string(16) "(special)
+chars."
+string(19) "^&*(special)
+chars."
+string(76) "Example of heredoc string contains
+$#%^*&*_("_")!#@@!$#$^^&*(special)
+chars."
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation5.phpt b/tests/std/strings/strrchr_variation5.phpt
new file mode 100644
index 00000000..0d67fda0
--- /dev/null
+++ b/tests/std/strings/strrchr_variation5.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Test strrchr() function : usage variations - heredoc string containing escape sequences for 'haystack'
+--FILE--
+<?php
+/* Prototype  : string strrchr(string $haystack, string $needle);
+ * Description: Finds the last occurrence of a character in a string.
+ * Source code: ext/standard/string.c
+*/
+
+/* Test strrchr() function by passing heredoc string containing
+ *  escape sequences for haystack and with various needles
+*/
+
+echo "*** Testing strrchr() function: with heredoc strings ***\n";
+$escape_char_str = <<<EOD
+\tes\t st\r\rch\r using
+\escape \\seque\nce
+EOD;
+
+$needles = array(
+  "\t",
+  '\n',
+  "\r",
+  "\\",
+  $escape_char_str //needle as haystack
+);
+
+//loop through to test strrchr() with each needle
+foreach($needles as $needle) {
+  var_dump( strrchr($escape_char_str, $needle) );
+}
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: with heredoc strings ***
+string(32) "	 st

ch
 using
+scape \seque
+ce"
+string(9) "\seque
+ce"
+string(24) "
 using
+scape \seque
+ce"
+string(9) "\seque
+ce"
+string(32) "	 st

ch
 using
+scape \seque
+ce"
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation6.phpt b/tests/std/strings/strrchr_variation6.phpt
new file mode 100644
index 00000000..cec657c6
--- /dev/null
+++ b/tests/std/strings/strrchr_variation6.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test strrchr() function : usage variations - heredoc string containing quote chars for 'haystack'
+--FILE--
+<?php
+/* Test strrchr() function by passing heredoc string containing quote chars for haystack
+ *  and with various needles
+*/
+
+echo "*** Testing strrchr() function: with heredoc strings ***\n";
+$quote_char_str = <<<EOD
+"things" "in" "double" "quote"
+'things' 'in' 'single' 'quote'
+EOD;
+
+$needles = array(
+  "things",
+  "\"things\"",
+  "\'things\'",
+  "in",
+  "quote",
+  $quote_char_str //needle as haystack
+);
+
+//loop through to test strrchr() with each needle
+foreach($needles as $needle) {
+  var_dump( strrchr($quote_char_str, $needle) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: with heredoc strings ***
+string(3) "te'"
+string(32) ""
+'things' 'in' 'single' 'quote'"
+bool(false)
+string(14) "ingle' 'quote'"
+string(6) "quote'"
+string(32) ""
+'things' 'in' 'single' 'quote'"
+*** Done ***
diff --git a/tests/std/strings/strrchr_variation7.phpt b/tests/std/strings/strrchr_variation7.phpt
new file mode 100644
index 00000000..f27c4749
--- /dev/null
+++ b/tests/std/strings/strrchr_variation7.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test strrchr() function : usage variations - heredoc string containing blank line for 'haystack'
+--FILE--
+<?php
+/* Test strrchr() function by passing heredoc string containing
+ *  blank-line for haystack and with various needles
+*/
+
+echo "*** Testing strrchr() function: with heredoc strings ***\n";
+$blank_line = <<<EOD
+
+EOD;
+
+$needles = array(
+  "\n",
+  '\n',
+  "\r",
+  "\r\n",
+  "\t",
+  "",
+  $blank_line //needle as haystack
+);
+
+//loop through to test strrchr() with each needle
+foreach($needles as $needle) {
+  var_dump( strrchr($blank_line, $needle) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrchr() function: with heredoc strings ***
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strrev.phpt b/tests/std/strings/strrev.phpt
new file mode 100644
index 00000000..15cf248f
--- /dev/null
+++ b/tests/std/strings/strrev.phpt
@@ -0,0 +1,17 @@
+--TEST--
+strrev() function
+--FILE--
+<?php
+$i = 0;
+$str = '';
+
+while ($i<256) {
+    $str .= chr($i++);
+}
+
+var_dump(md5(strrev($str)));
+var_dump(strrev(""));
+?>
+--EXPECT--
+string(32) "ec6df70f2569891eae50321a9179eb82"
+string(0) ""
diff --git a/tests/std/strings/strrev_basic.phpt b/tests/std/strings/strrev_basic.phpt
new file mode 100644
index 00000000..357ae514
--- /dev/null
+++ b/tests/std/strings/strrev_basic.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test strrev() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strrev() : basic functionality ***\n";
+$heredoc = <<<EOD
+Hello, world
+EOD;
+
+//regular string
+var_dump( strrev("Hello, World") );
+var_dump( strrev('Hello, World') );
+
+//single character
+var_dump( strrev("H") );
+var_dump( strrev('H') );
+
+//string containing simalr chars
+var_dump( strrev("HHHHHH") );
+var_dump( strrev("HhhhhH") );
+
+//string containing escape char
+var_dump( strrev("Hello, World\n") );
+var_dump( strrev('Hello, World\n') );
+
+//heredoc string
+var_dump( strrev($heredoc) );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrev() : basic functionality ***
+string(12) "dlroW ,olleH"
+string(12) "dlroW ,olleH"
+string(1) "H"
+string(1) "H"
+string(6) "HHHHHH"
+string(6) "HhhhhH"
+string(13) "
+dlroW ,olleH"
+string(14) "n\dlroW ,olleH"
+string(12) "dlrow ,olleH"
+*** Done ***
diff --git a/tests/std/strings/strrev_variation1.phpt b/tests/std/strings/strrev_variation1.phpt
new file mode 100644
index 00000000..3c4fb79a
--- /dev/null
+++ b/tests/std/strings/strrev_variation1.phpt
@@ -0,0 +1,152 @@
+--TEST--
+Test strrev() function : usage variations - double quoted strings
+--FILE--
+<?php
+/* Testing strrev() function with various double quoted strings for 'str' */
+
+echo "*** Testing strrev() : with various double quoted strings ***\n";
+$str = "Hiiii";
+
+$strings = array(
+  //strings containing escape chars
+  "hello\\world",
+  "hello\$world",
+  "\ttesting\ttesting\tstrrev",
+  "testing\rstrrev testing strrev",
+  "testing\fstrrev \f testing \nstrrev",
+  "\ntesting\nstrrev\n testing \n strrev",
+  "using\vvertical\vtab",
+
+  //polyndrome strings
+  "HelloolleH",
+  "ababababababa",
+
+  //numeric + strings
+  "Hello123",
+  "123Hello",
+  "123.34Hello",
+  "Hello1.234",
+  "123Hello1.234",
+
+  //concatenated strings
+  "Hello".chr(0)."World",
+  "Hello"."world",
+  "Hello".$str,
+
+  //strings containing white spaces
+  "              h",
+  "h              ",
+  "      h        ",
+  "h  e  l  l  o  ",
+
+  //strings containing quotes
+  "\hello\'world",
+  "hello\"world",
+
+  //special chars in strings
+  "t@@#$% %test ^test &test *test +test -test",
+  "!test ~test `test` =test= @test@test.com",
+  "/test/r\test\strrev\t\\u /uu/",
+
+  //only special chars
+  "!@#$%^&*()_+=-`~"
+);
+
+$count = 1;
+for( $index = 0; $index < count($strings); $index++ ) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strrev($strings[$index]) );
+  $count ++;
+}
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing strrev() : with various double quoted strings ***
+
+-- Iteration 1 --
+string(11) "dlrow\olleh"
+
+-- Iteration 2 --
+string(11) "dlrow$olleh"
+
+-- Iteration 3 --
+string(23) "verrts	gnitset	gnitset	"
+
+-- Iteration 4 --
+string(29) "verrts gnitset verrts
gnitset"
+
+-- Iteration 5 --
+string(32) "verrts
+ gnitset  verrtsgnitset"
+
+-- Iteration 6 --
+string(33) "verrts 
+ gnitset 
+verrts
+gnitset
+"
+
+-- Iteration 7 --
+string(18) "batlacitrevgnisu"
+
+-- Iteration 8 --
+string(10) "HelloolleH"
+
+-- Iteration 9 --
+string(13) "ababababababa"
+
+-- Iteration 10 --
+string(8) "321olleH"
+
+-- Iteration 11 --
+string(8) "olleH321"
+
+-- Iteration 12 --
+string(11) "olleH43.321"
+
+-- Iteration 13 --
+string(10) "432.1olleH"
+
+-- Iteration 14 --
+string(13) "432.1olleH321"
+
+-- Iteration 15 --
+string(11) "dlroW%0olleH"
+
+-- Iteration 16 --
+string(10) "dlrowolleH"
+
+-- Iteration 17 --
+string(10) "iiiiHolleH"
+
+-- Iteration 18 --
+string(15) "h              "
+
+-- Iteration 19 --
+string(15) "              h"
+
+-- Iteration 20 --
+string(15) "        h      "
+
+-- Iteration 21 --
+string(15) "  o  l  l  e  h"
+
+-- Iteration 22 --
+string(13) "dlrow'\olleh\"
+
+-- Iteration 23 --
+string(11) "dlrow"olleh"
+
+-- Iteration 24 --
+string(42) "tset- tset+ tset* tset& tset^ tset% %$#@@t"
+
+-- Iteration 25 --
+string(40) "moc.tset@tset@ =tset= `tset` tset~ tset!"
+
+-- Iteration 26 --
+string(26) "/uu/ u\	verrts\tse	r/tset/"
+
+-- Iteration 27 --
+string(16) "~`-=+_)(*&^%$#@!"
+*** Done ***
diff --git a/tests/std/strings/strrev_variation2.phpt b/tests/std/strings/strrev_variation2.phpt
new file mode 100644
index 00000000..45036f6f
--- /dev/null
+++ b/tests/std/strings/strrev_variation2.phpt
@@ -0,0 +1,147 @@
+--TEST--
+Test strrev() function : usage variations - single quoted strings
+--FILE--
+<?php
+/* Testing strrev() function with various single quoted strings for 'str' */
+
+echo "*** Testing strrev() : with various single quoted strings ***\n";
+$str = 'Hiiii';
+
+$strings = array(
+  //strings containing escape chars
+  'hello\\world',
+  'hello\$world',
+  '\ttesting\ttesting\tstrrev',
+  'testing\rstrrev testing strrev',
+  'testing\fstrrev \f testing \nstrrev',
+  '\ntesting\nstrrev\n testing \n strrev',
+  'using\vvertical\vtab',
+
+  //polyndrome strings
+  'HelloolleH',
+  'ababababababa',
+
+  //numeric + strings
+  'Hello123',
+  '123Hello',
+  '123.34Hello',
+  'Hello1.234',
+  '123Hello1.234',
+
+  //concatenated strings
+  'Hello'.chr(0).'World',
+  'Hello'.'world',
+  'Hello'.$str,
+
+  //strings containing white spaces
+  '              h',
+  'h              ',
+  '      h        ',
+  'h  e  l  l  o  ',
+
+  //strings containing quotes
+  '\hello\'world',
+  'hello\"world',
+
+  //special chars in string
+  't@@#$% %test ^test &test *test +test -test',
+  '!test ~test `test` =test= @test@test.com',
+  '/test/r\test\strrev\t\u /uu/',
+
+  //only special chars
+  '!@#$%^&*()_+=-`~'
+);
+
+$count = 1;
+for( $index = 0; $index < count($strings); $index++ ) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strrev($strings[$index]) );
+  $count ++;
+}
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing strrev() : with various single quoted strings ***
+
+-- Iteration 1 --
+string(11) "dlrow\olleh"
+
+-- Iteration 2 --
+string(12) "dlrow$\olleh"
+
+-- Iteration 3 --
+string(26) "verrtst\gnitsett\gnitsett\"
+
+-- Iteration 4 --
+string(30) "verrts gnitset verrtsr\gnitset"
+
+-- Iteration 5 --
+string(35) "verrtsn\ gnitset f\ verrtsf\gnitset"
+
+-- Iteration 6 --
+string(37) "verrts n\ gnitset n\verrtsn\gnitsetn\"
+
+-- Iteration 7 --
+string(20) "batv\lacitrevv\gnisu"
+
+-- Iteration 8 --
+string(10) "HelloolleH"
+
+-- Iteration 9 --
+string(13) "ababababababa"
+
+-- Iteration 10 --
+string(8) "321olleH"
+
+-- Iteration 11 --
+string(8) "olleH321"
+
+-- Iteration 12 --
+string(11) "olleH43.321"
+
+-- Iteration 13 --
+string(10) "432.1olleH"
+
+-- Iteration 14 --
+string(13) "432.1olleH321"
+
+-- Iteration 15 --
+string(11) "dlroW%0olleH"
+
+-- Iteration 16 --
+string(10) "dlrowolleH"
+
+-- Iteration 17 --
+string(10) "iiiiHolleH"
+
+-- Iteration 18 --
+string(15) "h              "
+
+-- Iteration 19 --
+string(15) "              h"
+
+-- Iteration 20 --
+string(15) "        h      "
+
+-- Iteration 21 --
+string(15) "  o  l  l  e  h"
+
+-- Iteration 22 --
+string(12) "dlrow'olleh\"
+
+-- Iteration 23 --
+string(12) "dlrow"\olleh"
+
+-- Iteration 24 --
+string(42) "tset- tset+ tset* tset& tset^ tset% %$#@@t"
+
+-- Iteration 25 --
+string(40) "moc.tset@tset@ =tset= `tset` tset~ tset!"
+
+-- Iteration 26 --
+string(28) "/uu/ u\t\verrts\tset\r/tset/"
+
+-- Iteration 27 --
+string(16) "~`-=+_)(*&^%$#@!"
+*** Done ***
diff --git a/tests/std/strings/strrev_variation3.phpt b/tests/std/strings/strrev_variation3.phpt
new file mode 100644
index 00000000..eab673f9
--- /dev/null
+++ b/tests/std/strings/strrev_variation3.phpt
@@ -0,0 +1,86 @@
+--TEST--
+Test strrev() function : usage variations - heredoc strings
+--FILE--
+<?php
+/* Testing strrev() function with heredoc strings for 'str' */
+
+echo "*** Testing strrev() function: with heredoc strings ***\n";
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+
+$special_chars_str = <<<EOD
+Ex'ple of h'doc st'g, contains
+$#%^*&*_("_")!#@@!$#$^^&*(special)
+chars.
+EOD;
+
+$control_chars_str = <<<EOD
+Hello, World\n
+Hello\0World
+EOD;
+
+$quote_chars_str = <<<EOD
+it's bright o'side
+"things in double quote"
+'things in single quote'
+this\line is /with\slashs
+EOD;
+
+$blank_line = <<<EOD
+
+EOD;
+
+$empty_str = <<<EOD
+EOD;
+
+$strings = array(
+  $multi_line_str,
+  $special_chars_str,
+  $control_chars_str,
+  $quote_chars_str,
+  $blank_line,
+  $empty_str
+);
+
+$count = 1;
+for( $index = 0; $index < count($strings); $index++ ) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strrev($strings[$index]) );
+  $count ++;
+}
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing strrev() function: with heredoc strings ***
+
+-- Iteration 1 --
+string(63) ".xatnys codereh gnisu
+senil elpitlum gninnaps
+gnirts fo elpmaxE"
+
+-- Iteration 2 --
+string(72) ".srahc
+)laiceps(*&^^$#$!@@#!)"_"(_*&*^%#$
+sniatnoc ,g'ts cod'h fo elp'xE"
+
+-- Iteration 3 --
+string(25) "dlroW%0olleH
+
+dlroW ,olleH"
+
+-- Iteration 4 --
+string(94) "shsals\htiw/ si enil\siht
+'etouq elgnis ni sgniht'
+"etouq elbuod ni sgniht"
+edis'o thgirb s'ti"
+
+-- Iteration 5 --
+string(0) ""
+
+-- Iteration 6 --
+string(0) ""
+*** Done ***
diff --git a/tests/std/strings/strripos.phpt b/tests/std/strings/strripos.phpt
new file mode 100644
index 00000000..81881c37
--- /dev/null
+++ b/tests/std/strings/strripos.phpt
@@ -0,0 +1,32 @@
+--TEST--
+strripos() function
+--FILE--
+<?php
+    var_dump(strripos("test test string", "test"));
+    var_dump(strripos("test string sTring", "string"));
+    var_dump(strripos("test strip string strand", "str"));
+    var_dump(strripos("I am what I am and that's all what I am", "am", -3));
+    var_dump(strripos("test string", "g"));
+    var_dump(strripos("te".chr(0)."st", chr(0)));
+    var_dump(strripos("tEst", "test"));
+    var_dump(strripos("teSt", "test"));
+    var_dump(strripos("foo", "f", 1));
+    var_dump(strripos("", ""));
+    var_dump(strripos("a", ""));
+    var_dump(strripos("", "a"));
+    var_dump(strripos("\\\\a", "\\a"));
+?>
+--EXPECT--
+int(5)
+int(12)
+int(18)
+int(12)
+int(10)
+int(2)
+int(0)
+int(0)
+bool(false)
+int(0)
+int(1)
+bool(false)
+int(1)
diff --git a/tests/std/strings/strripos_basic1.phpt b/tests/std/strings/strripos_basic1.phpt
new file mode 100644
index 00000000..06e503af
--- /dev/null
+++ b/tests/std/strings/strripos_basic1.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test strripos() function : basic functionality - with default arguments
+--FILE--
+<?php
+echo "*** Testing strripos() function: basic functionality ***\n";
+$heredoc_str = <<<EOD
+Hello, World
+EOD;
+
+echo "\n-- regular string for haystack & needle --\n";
+var_dump( strripos("Hello, World", "HeLLo") );
+var_dump( strripos('Hello, World', "hello") );
+var_dump( strripos("Hello, World", 'WoRLd') );
+var_dump( strripos('Hello, World', 'WORLD') );
+var_dump( strripos('Hello, World', 'foo') );
+
+echo "\n-- single char for needle --\n";
+var_dump( strripos("Hello, World", "O") );
+var_dump( strripos("Hello, World", ",") );
+
+echo "\n-- heredoc string for haystack & needle --\n";
+var_dump( strripos($heredoc_str, "Hello, WoRLd") );
+var_dump( strripos($heredoc_str, 'HelLO') );
+var_dump( strripos($heredoc_str, $heredoc_str) );
+
+?>
+--EXPECT--
+*** Testing strripos() function: basic functionality ***
+
+-- regular string for haystack & needle --
+int(0)
+int(0)
+int(7)
+int(7)
+bool(false)
+
+-- single char for needle --
+int(8)
+int(5)
+
+-- heredoc string for haystack & needle --
+int(0)
+int(0)
+int(0)
diff --git a/tests/std/strings/strripos_basic2.phpt b/tests/std/strings/strripos_basic2.phpt
new file mode 100644
index 00000000..18625fb7
--- /dev/null
+++ b/tests/std/strings/strripos_basic2.phpt
@@ -0,0 +1,57 @@
+--TEST--
+Test strripos() function : basic functionality - with all arguments
+--FILE--
+<?php
+echo "*** Testing strripos() function: basic functionality ***\n";
+$heredoc_str = <<<EOD
+Hello, World
+EOD;
+
+echo "\n-- regular string for haystack & needle, with various offsets --\n";
+var_dump( strripos("Hello, World", "HeLLo", 0) );
+var_dump( strripos("Hello, World", 'Hello', 1) );
+var_dump( strripos('Hello, World', 'world', 1) );
+var_dump( strripos('Hello, World', "WorLD", 5) );
+
+echo "\n-- heredoc string for haystack & needle, with various offsets --\n";
+var_dump( strripos($heredoc_str, "Hello, WORLD", 0) );
+var_dump( strripos($heredoc_str, 'HelLo', 0) );
+var_dump( strripos($heredoc_str, 'HeLLo', 1) );
+var_dump( strripos($heredoc_str, $heredoc_str, 0) );
+var_dump( strripos($heredoc_str, $heredoc_str, 1) );
+
+echo "\n-- various +ve offsets --\n";
+var_dump( strripos("Hello, World", "O", 3) );
+var_dump( strripos("Hello, World", "O", 6) );
+var_dump( strripos("Hello, World", "O", 10) );
+
+echo "\n-- various -ve offsets --\n";
+var_dump( strripos("Hello, World", "O", -1) );
+var_dump( strripos("Hello, World", "O", -5) );
+var_dump( strripos("Hello, World", "O",  -9) );
+?>
+--EXPECT--
+*** Testing strripos() function: basic functionality ***
+
+-- regular string for haystack & needle, with various offsets --
+int(0)
+bool(false)
+int(7)
+int(7)
+
+-- heredoc string for haystack & needle, with various offsets --
+int(0)
+int(0)
+bool(false)
+int(0)
+bool(false)
+
+-- various +ve offsets --
+int(8)
+int(8)
+bool(false)
+
+-- various -ve offsets --
+int(8)
+int(4)
+bool(false)
diff --git a/tests/std/strings/strripos_offset.phpt b/tests/std/strings/strripos_offset.phpt
new file mode 100644
index 00000000..59b5374c
--- /dev/null
+++ b/tests/std/strings/strripos_offset.phpt
@@ -0,0 +1,44 @@
+--TEST--
+strripos() offset integer overflow
+--FILE--
+<?php
+
+try {
+    var_dump(strripos("t", "t", PHP_INT_MAX+1));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    strripos(1024, 1024, -PHP_INT_MAX);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strripos(1024, "te", -PHP_INT_MAX);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strripos(1024, 1024, -PHP_INT_MAX-1);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strripos(1024, "te", -PHP_INT_MAX-1);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+strripos(): Argument #3 ($offset) must be of type int, float given
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+Done
diff --git a/tests/std/strings/strripos_variation1.phpt b/tests/std/strings/strripos_variation1.phpt
new file mode 100644
index 00000000..57ae8dd1
--- /dev/null
+++ b/tests/std/strings/strripos_variation1.phpt
@@ -0,0 +1,235 @@
+--TEST--
+Test strripos() function : usage variations - double quoted strings for 'haystack' & 'needle' arguments
+--FILE--
+<?php
+/* Test strripos() function by passing double quoted strings for 'haystack' & 'needle' arguments */
+
+echo "*** Testing strripos() function: with double quoted strings ***\n";
+$haystack = "Hello,\t\n\0\n  $&!#%()*<=>?@hello123456he \x234 \101 ";
+$needles = array(
+          //regular strings
+/*1*/	  "l",
+          "L",
+          "HELLO",
+          "hEllo",
+
+          //escape characters
+/*5*/	  "\t",
+          "\T",  //invalid input
+          "     ",
+          "\n",
+          "\N",  //invalid input
+          "
+",  //new line
+
+          //nulls
+/*11*/	  "\0",
+
+          //boolean false
+/*14*/	  FALSE,
+          false,
+
+          //empty string
+/*16*/	  "",
+
+          //special chars
+/*17*/	  " ",
+          "$",
+          " $",
+          "&",
+          "!#",
+          "()",
+          "<=>",
+          ">",
+          "=>",
+          "?",
+          "@",
+          "@hEllo",
+
+/*29*/	  "12345", //decimal numeric string
+          "\x23",  //hexadecimal numeric string
+          "#",  //respective ASCII char of \x23
+          "\101",  //octal numeric string
+          "A",  //respective ASCII char of \101
+          "456HEE",  //numerics + chars
+          $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+foreach ($needles as $needle) {
+  echo "-- Iteration $count --\n";
+  var_dump( strripos($haystack, $needle) );
+  var_dump( strripos($haystack, $needle, 1) );
+  var_dump( strripos($haystack, $needle, 20) );
+  var_dump( strripos($haystack, $needle, -1) );
+  $count++;
+}
+?>
+--EXPECT--
+*** Testing strripos() function: with double quoted strings ***
+-- Iteration 1 --
+int(28)
+int(28)
+int(28)
+int(28)
+-- Iteration 2 --
+int(28)
+int(28)
+int(28)
+int(28)
+-- Iteration 3 --
+int(25)
+int(25)
+int(25)
+int(25)
+-- Iteration 4 --
+int(25)
+int(25)
+int(25)
+int(25)
+-- Iteration 5 --
+int(6)
+int(6)
+bool(false)
+int(6)
+-- Iteration 6 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 7 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(9)
+int(9)
+bool(false)
+int(9)
+-- Iteration 9 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 10 --
+int(9)
+int(9)
+bool(false)
+int(9)
+-- Iteration 11 --
+int(8)
+int(8)
+bool(false)
+int(8)
+-- Iteration 12 --
+int(44)
+int(44)
+int(44)
+int(43)
+-- Iteration 13 --
+int(44)
+int(44)
+int(44)
+int(43)
+-- Iteration 14 --
+int(44)
+int(44)
+int(44)
+int(43)
+-- Iteration 15 --
+int(43)
+int(43)
+int(43)
+int(43)
+-- Iteration 16 --
+int(12)
+int(12)
+bool(false)
+int(12)
+-- Iteration 17 --
+int(11)
+int(11)
+bool(false)
+int(11)
+-- Iteration 18 --
+int(13)
+int(13)
+bool(false)
+int(13)
+-- Iteration 19 --
+int(14)
+int(14)
+bool(false)
+int(14)
+-- Iteration 20 --
+int(17)
+int(17)
+bool(false)
+int(17)
+-- Iteration 21 --
+int(20)
+int(20)
+int(20)
+int(20)
+-- Iteration 22 --
+int(22)
+int(22)
+int(22)
+int(22)
+-- Iteration 23 --
+int(21)
+int(21)
+int(21)
+int(21)
+-- Iteration 24 --
+int(23)
+int(23)
+int(23)
+int(23)
+-- Iteration 25 --
+int(24)
+int(24)
+int(24)
+int(24)
+-- Iteration 26 --
+int(24)
+int(24)
+int(24)
+int(24)
+-- Iteration 27 --
+int(30)
+int(30)
+int(30)
+int(30)
+-- Iteration 28 --
+int(39)
+int(39)
+int(39)
+int(39)
+-- Iteration 29 --
+int(39)
+int(39)
+int(39)
+int(39)
+-- Iteration 30 --
+int(42)
+int(42)
+int(42)
+int(42)
+-- Iteration 31 --
+int(42)
+int(42)
+int(42)
+int(42)
+-- Iteration 32 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 33 --
+int(0)
+bool(false)
+bool(false)
+int(0)
diff --git a/tests/std/strings/strripos_variation2.phpt b/tests/std/strings/strripos_variation2.phpt
new file mode 100644
index 00000000..12bcc2d2
--- /dev/null
+++ b/tests/std/strings/strripos_variation2.phpt
@@ -0,0 +1,241 @@
+--TEST--
+Test strripos() function : usage variations - single quoted strings for 'haystack' & 'needle' arguments
+--FILE--
+<?php
+/* Test strripos() function by passing single quoted strings to 'haystack' & 'needle' arguments */
+
+echo "*** Testing strripos() function: with single quoted strings ***\n";
+$haystack = 'Hello,\t\n\0\n  $&!#%()*<=>?@hello123456he \x234 \101 ';
+$needles = array(
+          //regular strings
+/*1*/	  'l',
+          'L',
+          'HELLO',
+          'hEllo',
+
+          //escape characters
+/*5*/	  '\t',
+          '\T',
+          '     ',
+          '\n',
+          '\N',
+          '
+        ',  //new line
+
+          //nulls
+/*11*/	  '\0',
+
+          //boolean false
+/*14*/	  FALSE,
+          false,
+
+          //empty string
+/*16*/	  '',
+
+          //special chars
+/*17*/	  ' ',
+          '$',
+          ' $',
+          '&',
+          '!#',
+          '()',
+          '<=>',
+          '>',
+          '=>',
+          '?',
+          '@',
+          '@hEllo',
+
+/*29*/	  '12345', 	//decimal numeric string
+          '\x23',	//hexadecimal numeric string
+          '#',  	//respective ASCII char of \x23
+          '\101',  	//octal numeric string
+          'A', 		// respective ASCII char for \101
+          '456HEE', //numerics + chars
+          42, 		//needle as int(ASCII value of '*')
+          $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+foreach ($needles as $needle) {
+  echo "-- Iteration $count --\n";
+  var_dump( strripos($haystack, $needle) );
+  var_dump( strripos($haystack, $needle, 1) );
+  var_dump( strripos($haystack, $needle, 20) );
+  var_dump( strripos($haystack, $needle, -1) );
+  $count++;
+}
+?>
+--EXPECT--
+*** Testing strripos() function: with single quoted strings ***
+-- Iteration 1 --
+int(32)
+int(32)
+int(32)
+int(32)
+-- Iteration 2 --
+int(32)
+int(32)
+int(32)
+int(32)
+-- Iteration 3 --
+int(29)
+int(29)
+int(29)
+int(29)
+-- Iteration 4 --
+int(29)
+int(29)
+int(29)
+int(29)
+-- Iteration 5 --
+int(6)
+int(6)
+bool(false)
+int(6)
+-- Iteration 6 --
+int(6)
+int(6)
+bool(false)
+int(6)
+-- Iteration 7 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(12)
+int(12)
+bool(false)
+int(12)
+-- Iteration 9 --
+int(12)
+int(12)
+bool(false)
+int(12)
+-- Iteration 10 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 11 --
+int(10)
+int(10)
+bool(false)
+int(10)
+-- Iteration 12 --
+int(54)
+int(54)
+int(54)
+int(53)
+-- Iteration 13 --
+int(54)
+int(54)
+int(54)
+int(53)
+-- Iteration 14 --
+int(54)
+int(54)
+int(54)
+int(53)
+-- Iteration 15 --
+int(53)
+int(53)
+int(53)
+int(53)
+-- Iteration 16 --
+int(16)
+int(16)
+bool(false)
+int(16)
+-- Iteration 17 --
+int(15)
+int(15)
+bool(false)
+int(15)
+-- Iteration 18 --
+int(17)
+int(17)
+bool(false)
+int(17)
+-- Iteration 19 --
+int(18)
+int(18)
+bool(false)
+int(18)
+-- Iteration 20 --
+int(21)
+int(21)
+int(21)
+int(21)
+-- Iteration 21 --
+int(24)
+int(24)
+int(24)
+int(24)
+-- Iteration 22 --
+int(26)
+int(26)
+int(26)
+int(26)
+-- Iteration 23 --
+int(25)
+int(25)
+int(25)
+int(25)
+-- Iteration 24 --
+int(27)
+int(27)
+int(27)
+int(27)
+-- Iteration 25 --
+int(28)
+int(28)
+int(28)
+int(28)
+-- Iteration 26 --
+int(28)
+int(28)
+int(28)
+int(28)
+-- Iteration 27 --
+int(34)
+int(34)
+int(34)
+int(34)
+-- Iteration 28 --
+int(43)
+int(43)
+int(43)
+int(43)
+-- Iteration 29 --
+int(19)
+int(19)
+bool(false)
+int(19)
+-- Iteration 30 --
+int(49)
+int(49)
+int(49)
+int(49)
+-- Iteration 31 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 32 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 33 --
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+-- Iteration 34 --
+int(0)
+bool(false)
+bool(false)
+int(0)
diff --git a/tests/std/strings/strripos_variation3.phpt b/tests/std/strings/strripos_variation3.phpt
new file mode 100644
index 00000000..df61842a
--- /dev/null
+++ b/tests/std/strings/strripos_variation3.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Test strripos() function : usage variations - multi line heredoc string for 'haystack' argument
+--FILE--
+<?php
+/* Test strripos() function by passing multi-line heredoc string for haystack and
+ *  with various needles & offsets
+*/
+
+echo "*** Testing strripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing multi lines --\n";
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+
+echo "\n-- Multi line strings with +ve offsets -- \n";
+var_dump( strripos($multi_line_str, "iNg", 0) );
+var_dump( strripos($multi_line_str, "inG", 15) );
+var_dump( strripos($multi_line_str, "Ing", 22) );
+
+echo "\n-- Multi line strings with +ve offsets -- \n";
+var_dump( strripos($multi_line_str, "Ing", -1) );
+var_dump( strripos($multi_line_str, "Ing", -17) );
+var_dump( strripos($multi_line_str, "Ing", -50) );
+
+echo "\n-- Multi line strings with no offset -- \n";
+var_dump( strripos($multi_line_str, "spAn") );
+var_dump( strripos($multi_line_str, "IPlE") );
+var_dump( strripos($multi_line_str, "") );
+var_dump( strripos($multi_line_str, " ") );
+
+?>
+--EXPECT--
+*** Testing strripos() function: with heredoc strings ***
+-- With heredoc string containing multi lines --
+
+-- Multi line strings with +ve offsets -- 
+int(44)
+int(44)
+int(44)
+
+-- Multi line strings with +ve offsets -- 
+int(44)
+int(44)
+bool(false)
+
+-- Multi line strings with no offset -- 
+int(18)
+int(31)
+int(63)
+int(55)
diff --git a/tests/std/strings/strripos_variation4.phpt b/tests/std/strings/strripos_variation4.phpt
new file mode 100644
index 00000000..bd27fd95
--- /dev/null
+++ b/tests/std/strings/strripos_variation4.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test strripos() function : usage variations - heredoc string containing special chars for 'haystack' argument
+--FILE--
+<?php
+/* Test strripos() function by passing heredoc string containing special chars for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing special chars --\n";
+$special_chars_str = <<<EOD
+Ex'ple of h'doc st'g, contains
+$#%^*&*_("_")!#@@!$#$^^&$*(special)
+chars.
+EOD;
+var_dump( strripos($special_chars_str, "Ex'pLE", 0) );
+var_dump( strripos($special_chars_str, "!@@!", 23) );
+var_dump( strripos($special_chars_str, '_') );
+var_dump( strripos($special_chars_str, '("_")') );
+var_dump( strripos($special_chars_str, "$*") );
+var_dump( strripos($special_chars_str, "$*", 10) );
+var_dump( strripos($special_chars_str, "(speCIal)") );
+
+?>
+--EXPECT--
+*** Testing strripos() function: with heredoc strings ***
+-- With heredoc string containing special chars --
+int(0)
+bool(false)
+int(41)
+int(39)
+int(55)
+int(55)
+int(57)
diff --git a/tests/std/strings/strripos_variation5.phpt b/tests/std/strings/strripos_variation5.phpt
new file mode 100644
index 00000000..40bb331f
--- /dev/null
+++ b/tests/std/strings/strripos_variation5.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test strripos() function : usage variations - heredoc string containing escape chars for 'haystack' argument
+--FILE--
+<?php
+/* Test strripos() function by passing heredoc string containing escape chars for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strripos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing escape characters --\n";
+$control_char_str = <<<EOD
+Hello, World\n
+Hello\tWorld
+EOD;
+var_dump( strripos($control_char_str, "\n") );
+var_dump( strripos($control_char_str, "\t") );
+var_dump( strripos($control_char_str, "\n", 12) );
+var_dump( strripos($control_char_str, "\t", 15) );
+
+?>
+--EXPECT--
+*** Testing strripos() function: with heredoc strings ***
+-- With heredoc string containing escape characters --
+int(13)
+int(19)
+int(13)
+int(19)
diff --git a/tests/std/strings/strripos_variation6.phpt b/tests/std/strings/strripos_variation6.phpt
new file mode 100644
index 00000000..11fa9544
--- /dev/null
+++ b/tests/std/strings/strripos_variation6.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test strrpos() function : usage variations - negative offset with empty needle
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$haystack = "Hello,\t\n\0\n  $&!#%()*<=>?@hello123456he \x234 \101 ";
+
+var_dump(strlen($haystack));
+
+var_dump( strripos($haystack, "", -1) );
+var_dump( strripos($haystack, "", -10) );
+var_dump( strripos($haystack, "", -26) );
+var_dump( strripos($haystack, "", -44) );
+?>
+
+DONE
+?>
+--EXPECT--
+int(44)
+int(43)
+int(34)
+int(18)
+int(0)
+
+DONE
diff --git a/tests/std/strings/strrpos.phpt b/tests/std/strings/strrpos.phpt
new file mode 100644
index 00000000..fc9d49b3
--- /dev/null
+++ b/tests/std/strings/strrpos.phpt
@@ -0,0 +1,36 @@
+--TEST--
+strrpos() function
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+    var_dump(strrpos("test test string", "test"));
+    var_dump(strrpos("test string sTring", "string"));
+    var_dump(strrpos("test strip string strand", "str"));
+    var_dump(strrpos("I am what I am and that's all what I am", "am", -3));
+    var_dump(strrpos("test string", "g"));
+    var_dump(strrpos("te".chr(0)."st", chr(0)));
+    var_dump(strrpos("tEst", "test"));
+    var_dump(strrpos("teSt", "test"));
+    var_dump(strrpos("foo", "f", 1));
+    var_dump(strrpos("", ""));
+    var_dump(strrpos("a", ""));
+    var_dump(strrpos("", "a"));
+    var_dump(strrpos("\\\\a", "\\a"));
+?>
+--EXPECT--
+int(5)
+int(5)
+int(18)
+int(12)
+int(10)
+int(2)
+bool(false)
+bool(false)
+bool(false)
+int(0)
+int(1)
+bool(false)
+int(1)
diff --git a/tests/std/strings/strrpos_basic1.phpt b/tests/std/strings/strrpos_basic1.phpt
new file mode 100644
index 00000000..f5ab1a37
--- /dev/null
+++ b/tests/std/strings/strrpos_basic1.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test strrpos() function : basic functionality - with default arguments
+--FILE--
+<?php
+echo "*** Testing strrpos() function: basic functionality ***\n";
+$heredoc_str = <<<EOD
+Hello, World
+EOD;
+
+echo "-- With default arguments --\n";
+//regular string for haystack & needle
+var_dump( strrpos("Hello, World", "Hello") );
+var_dump( strrpos('Hello, World', "hello") );
+var_dump( strrpos("Hello, World", 'World') );
+var_dump( strrpos('Hello, World', 'WORLD') );
+
+//single char for needle
+var_dump( strrpos("Hello, World", "o") );
+var_dump( strrpos("Hello, World", ",") );
+
+//heredoc string for haystack & needle
+var_dump( strrpos($heredoc_str, "Hello, World") );
+var_dump( strrpos($heredoc_str, 'Hello') );
+var_dump( strrpos($heredoc_str, $heredoc_str) );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: basic functionality ***
+-- With default arguments --
+int(0)
+bool(false)
+int(7)
+bool(false)
+int(8)
+int(5)
+int(0)
+int(0)
+int(0)
+*** Done ***
diff --git a/tests/std/strings/strrpos_basic2.phpt b/tests/std/strings/strrpos_basic2.phpt
new file mode 100644
index 00000000..9d84a761
--- /dev/null
+++ b/tests/std/strings/strrpos_basic2.phpt
@@ -0,0 +1,45 @@
+--TEST--
+Test strrpos() function : basic functionality - with all arguments
+--FILE--
+<?php
+echo "*** Testing strrpos() function: basic functionality ***\n";
+$heredoc_str = <<<EOD
+Hello, World
+EOD;
+
+echo "-- With all arguments --\n";
+//regular string for haystack & needle, with various offsets
+var_dump( strrpos("Hello, World", "Hello", 0) );
+var_dump( strrpos("Hello, World", 'Hello', 1) );
+var_dump( strrpos('Hello, World', 'World', 1) );
+var_dump( strrpos('Hello, World', "World", 5) );
+
+//heredoc string for haystack & needle, with various offsets
+var_dump( strrpos($heredoc_str, "Hello, World", 0) );
+var_dump( strrpos($heredoc_str, 'Hello', 0) );
+var_dump( strrpos($heredoc_str, 'Hello', 1) );
+var_dump( strrpos($heredoc_str, $heredoc_str, 0) );
+var_dump( strrpos($heredoc_str, $heredoc_str, 1) );
+
+//various offsets
+var_dump( strrpos("Hello, World", "o", 3) );
+var_dump( strrpos("Hello, World", "o", 6) );
+var_dump( strrpos("Hello, World", "o", 10) );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: basic functionality ***
+-- With all arguments --
+int(0)
+bool(false)
+int(7)
+int(7)
+int(0)
+int(0)
+bool(false)
+int(0)
+bool(false)
+int(8)
+int(8)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strrpos_negative_offset.phpt b/tests/std/strings/strrpos_negative_offset.phpt
new file mode 100644
index 00000000..e4ac469b
--- /dev/null
+++ b/tests/std/strings/strrpos_negative_offset.phpt
@@ -0,0 +1,42 @@
+--TEST--
+strr[i]pos() function with negative offset
+--FILE--
+<?php
+    var_dump(strrpos("haysthack", 'ha', -9));
+    var_dump(strrpos("haystack", 'h', -8));
+    var_dump(strrpos("haystack", 'k', -1));
+    var_dump(strrpos("haystack", "ka", -1));
+    var_dump(strrpos("haystack", 'a', -3));
+    var_dump(strrpos("haystack", 'a', -4));
+    try {
+        strrpos("haystack", 'h', -9);
+    } catch (ValueError $exception) {
+        echo $exception->getMessage() . "\n";
+    }
+    var_dump(strripos("HAYSTHACk", 'ha', -9));
+    var_dump(strripos("HAYSTACK", 'h', -8));
+    var_dump(strripos("HAYSTACK", 'k', -1));
+    var_dump(strripos("HAYSTACK", "ka", -1));
+    var_dump(strripos("HAYSTACK", 'a', -3));
+    var_dump(strripos("HAYSTACK", 'a', -4));
+    try {
+        strripos("HAYSTACK", 'h', -9);
+    } catch (ValueError $exception) {
+        echo $exception->getMessage() . "\n";
+    }
+?>
+--EXPECT--
+int(0)
+int(0)
+int(7)
+bool(false)
+int(5)
+int(1)
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+int(0)
+int(0)
+int(7)
+bool(false)
+int(5)
+int(1)
+strripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
diff --git a/tests/std/strings/strrpos_offset.phpt b/tests/std/strings/strrpos_offset.phpt
new file mode 100644
index 00000000..4ec4b819
--- /dev/null
+++ b/tests/std/strings/strrpos_offset.phpt
@@ -0,0 +1,48 @@
+--TEST--
+strrpos() offset integer overflow
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+try {
+    var_dump(strrpos("t", "t", PHP_INT_MAX+1));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    strrpos(1024, 1024, -PHP_INT_MAX);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strrpos(1024, "te", -PHP_INT_MAX);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strrpos(1024, 1024, -PHP_INT_MAX-1);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+try {
+    strrpos(1024, "te", -PHP_INT_MAX-1);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+strrpos(): Argument #3 ($offset) must be of type int, float given
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+Done
diff --git a/tests/std/strings/strrpos_variation12.phpt b/tests/std/strings/strrpos_variation12.phpt
new file mode 100644
index 00000000..28a68339
--- /dev/null
+++ b/tests/std/strings/strrpos_variation12.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test strrpos() function : usage variations - checking binary safe with 'haystack' argument
+--FILE--
+<?php
+/* Test strrpos() function with null terminated strings for 'haystack' argument
+ *  in order to check the binary safe
+*/
+
+echo "*** Test strrpos() function: binary safe ***\n";
+$haystacks = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello World",
+  "Hello World".chr(0),
+  chr(0).chr(0).chr(0),
+  "Hello\0world",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($haystacks); $index++ ) {
+  var_dump( strrpos($haystacks[$index], "\0") );
+  var_dump( strrpos($haystacks[$index], "\0", $index) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Test strrpos() function: binary safe ***
+int(5)
+int(5)
+int(0)
+bool(false)
+int(11)
+int(11)
+int(2)
+bool(false)
+int(5)
+int(5)
+int(0)
+bool(false)
+int(5)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation13.phpt b/tests/std/strings/strrpos_variation13.phpt
new file mode 100644
index 00000000..e5757ae7
--- /dev/null
+++ b/tests/std/strings/strrpos_variation13.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test strrpos() function : usage variations - checking bianry safe with 'needle' argument
+--FILE--
+<?php
+/* Test strrpos() function with null terminated strings for 'needle' argument
+ *  in order to check binary safe
+*/
+
+echo "*** Test strrpos() function: binary safe ***\n";
+$haystack = "\0Hello\0World\0";
+
+$needles = array(
+  "Hello".chr(0)."World",
+  chr(0)."Hello\0",
+  chr(0),
+  "Hello\0world",
+  "\0Hello\0world\0",
+  "\0Hello",
+  "Hello\0"
+);
+
+for($index = 0; $index < count($needles); $index++ ) {
+  var_dump( strrpos($haystack, $needles[$index]) );
+  var_dump( strrpos($haystack, $needles[$index], $index) );
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Test strrpos() function: binary safe ***
+int(1)
+int(1)
+int(0)
+bool(false)
+int(12)
+int(12)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+int(0)
+bool(false)
+int(1)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation14.phpt b/tests/std/strings/strrpos_variation14.phpt
new file mode 100644
index 00000000..15ac4d0b
--- /dev/null
+++ b/tests/std/strings/strrpos_variation14.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test strrpos() function : usage variations - negative offset with empty needle
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$haystack = "Hello,\t\n\0\n  $&!#%()*<=>?@hello123456he \x234 \101 ";
+
+var_dump(strlen($haystack));
+
+var_dump( strrpos($haystack, "", -1) );
+var_dump( strrpos($haystack, "", -10) );
+var_dump( strrpos($haystack, "", -26) );
+var_dump( strrpos($haystack, "", -44) );
+?>
+
+DONE
+?>
+--EXPECT--
+int(44)
+int(43)
+int(34)
+int(18)
+int(0)
+
+DONE
diff --git a/tests/std/strings/strrpos_variation2.phpt b/tests/std/strings/strrpos_variation2.phpt
new file mode 100644
index 00000000..48c64158
--- /dev/null
+++ b/tests/std/strings/strrpos_variation2.phpt
@@ -0,0 +1,177 @@
+--TEST--
+Test strrpos() function : usage variations - single quoted strings for 'haystack' & 'needle' arguments
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/* Test strrpos() function by passing single quoted strings to 'haystack' & 'needle' arguments */
+
+echo "*** Testing strrpos() function: with single quoted strings ***\n";
+$haystack = 'Hello,\t\n\0\n  $&!#%()*<=>?@hello123456he \x234 \101 ';
+$needle = array(
+  //regular strings
+  'l',
+  'L',
+  'HELLO',
+  'hEllo',
+
+  //escape characters
+  '\t',
+  '\T',
+  '     ',
+  '\n',
+  '\N',
+  '
+',  //new line
+
+  //nulls
+  '\0',
+
+  //boolean false
+  FALSE,
+  false,
+
+  //empty string
+  '',
+
+  //special chars
+  ' ',
+  '$',
+  ' $',
+  '&',
+  '!#',
+  '()',
+  '<=>',
+  '>',
+  '=>',
+  '?',
+  '@',
+  '@hEllo',
+
+  '12345', //decimal numeric string
+  '\x23',  //hexadecimal numeric string
+  '#',  //hexadecimal numeric string
+  '\101',  //octal numeric string
+  'A',
+  '456HEE',  //numerics + chars
+  42, //needle as int(ASCII value of '*')
+  $haystack  //haystack as needle
+);
+
+/* loop through to get the position of the needle in haystack string */
+$count = 1;
+for($index=0; $index<count($needle); $index++) {
+  echo "-- Iteration $count --\n";
+  var_dump( strrpos($haystack, $needle[$index]) );
+  var_dump( strrpos($haystack, $needle[$index], $index) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: with single quoted strings ***
+-- Iteration 1 --
+int(32)
+int(32)
+-- Iteration 2 --
+bool(false)
+bool(false)
+-- Iteration 3 --
+bool(false)
+bool(false)
+-- Iteration 4 --
+bool(false)
+bool(false)
+-- Iteration 5 --
+int(6)
+int(6)
+-- Iteration 6 --
+bool(false)
+bool(false)
+-- Iteration 7 --
+bool(false)
+bool(false)
+-- Iteration 8 --
+int(12)
+int(12)
+-- Iteration 9 --
+bool(false)
+bool(false)
+-- Iteration 10 --
+bool(false)
+bool(false)
+-- Iteration 11 --
+int(10)
+int(10)
+-- Iteration 12 --
+int(54)
+int(54)
+-- Iteration 13 --
+int(54)
+int(54)
+-- Iteration 14 --
+int(54)
+int(54)
+-- Iteration 15 --
+int(53)
+int(53)
+-- Iteration 16 --
+int(16)
+int(16)
+-- Iteration 17 --
+int(15)
+bool(false)
+-- Iteration 18 --
+int(17)
+int(17)
+-- Iteration 19 --
+int(18)
+int(18)
+-- Iteration 20 --
+int(21)
+int(21)
+-- Iteration 21 --
+int(24)
+int(24)
+-- Iteration 22 --
+int(26)
+int(26)
+-- Iteration 23 --
+int(25)
+int(25)
+-- Iteration 24 --
+int(27)
+int(27)
+-- Iteration 25 --
+int(28)
+int(28)
+-- Iteration 26 --
+bool(false)
+bool(false)
+-- Iteration 27 --
+int(34)
+int(34)
+-- Iteration 28 --
+int(43)
+int(43)
+-- Iteration 29 --
+int(19)
+bool(false)
+-- Iteration 30 --
+int(49)
+int(49)
+-- Iteration 31 --
+bool(false)
+bool(false)
+-- Iteration 32 --
+bool(false)
+bool(false)
+-- Iteration 33 --
+bool(false)
+bool(false)
+-- Iteration 34 --
+int(0)
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation3.phpt b/tests/std/strings/strrpos_variation3.phpt
new file mode 100644
index 00000000..4142d087
--- /dev/null
+++ b/tests/std/strings/strrpos_variation3.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test strrpos() function : usage variations - multi line heredoc string for 'haystack' argument
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/* Test strrpos() function by passing multi-line heredoc string for haystack and
+ *  with various needles & offsets
+*/
+
+echo "*** Testing strrpos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing multi lines --\n";
+$multi_line_str = <<<EOD
+Example of string
+spanning multiple lines
+using heredoc syntax.
+EOD;
+var_dump( strrpos($multi_line_str, "ing", 0) );
+var_dump( strrpos($multi_line_str, "ing", 15) );
+var_dump( strrpos($multi_line_str, "ing", 22) );
+var_dump( strrpos($multi_line_str, "") );
+var_dump( strrpos($multi_line_str, " ") );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: with heredoc strings ***
+-- With heredoc string containing multi lines --
+int(44)
+int(44)
+int(44)
+int(63)
+int(55)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation4.phpt b/tests/std/strings/strrpos_variation4.phpt
new file mode 100644
index 00000000..494be992
--- /dev/null
+++ b/tests/std/strings/strrpos_variation4.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test strrpos() function : usage variations - heredoc string containing special chars for 'haystack' argument
+--FILE--
+<?php
+/* Test strrpos() function by passing heredoc string containing special chars for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strrpos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing special chars --\n";
+$special_chars_str = <<<EOD
+Ex'ple of h'doc st'g, contains
+$#%^*&*_("_")!#@@!$#$^^&$*(special)
+chars.
+EOD;
+var_dump( strrpos($special_chars_str, "Ex'ple", 0) );
+var_dump( strrpos($special_chars_str, "!@@!", 23) );
+var_dump( strrpos($special_chars_str, '_') );
+var_dump( strrpos($special_chars_str, '("_")') );
+var_dump( strrpos($special_chars_str, "$*") );
+var_dump( strrpos($special_chars_str, "$*", 10) );
+var_dump( strrpos($special_chars_str, "(special)") );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: with heredoc strings ***
+-- With heredoc string containing special chars --
+int(0)
+bool(false)
+int(41)
+int(39)
+int(55)
+int(55)
+int(57)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation5.phpt b/tests/std/strings/strrpos_variation5.phpt
new file mode 100644
index 00000000..a08c3ea2
--- /dev/null
+++ b/tests/std/strings/strrpos_variation5.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Test strrpos() function : usage variations - heredoc string containing escape chars for 'haystack' argument
+--FILE--
+<?php
+/* Test strrpos() function by passing heredoc string containing escape chars for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strrpos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing escape characters --\n";
+$control_char_str = <<<EOD
+Hello, World\n
+Hello\tWorld
+EOD;
+var_dump( strrpos($control_char_str, "\n") );
+var_dump( strrpos($control_char_str, "\t") );
+var_dump( strrpos($control_char_str, "\n", 12) );
+var_dump( strrpos($control_char_str, "\t", 15) );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: with heredoc strings ***
+-- With heredoc string containing escape characters --
+int(13)
+int(19)
+int(13)
+int(19)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation6.phpt b/tests/std/strings/strrpos_variation6.phpt
new file mode 100644
index 00000000..be501b26
--- /dev/null
+++ b/tests/std/strings/strrpos_variation6.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Test strrpos() function : usage variations - heredoc string containing quotes for 'haystack' argument
+--FILE--
+<?php
+/* Test strrpos() function by passing heredoc string containing quotes for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strrpos() function: with heredoc strings ***\n";
+echo "-- With heredoc string containing quote & slash chars --\n";
+$quote_char_str = <<<EOD
+it's bright,but i cann't see it.
+"things in double quote"
+'things in single quote'
+this\line is /with\slashs
+EOD;
+var_dump( strrpos($quote_char_str, "line") );
+var_dump( strrpos($quote_char_str, 'things') );
+var_dump( strrpos($quote_char_str, 'things', 0) );
+var_dump( strrpos($quote_char_str, "things", 20) );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: with heredoc strings ***
+-- With heredoc string containing quote & slash chars --
+int(88)
+int(59)
+int(59)
+int(59)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation7.phpt b/tests/std/strings/strrpos_variation7.phpt
new file mode 100644
index 00000000..a3ef9d29
--- /dev/null
+++ b/tests/std/strings/strrpos_variation7.phpt
@@ -0,0 +1,33 @@
+--TEST--
+Test strrpos() function : usage variations - empty heredoc string for 'haystack' argument
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/* Test strrpos() function by passing empty heredoc string for haystack
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strrpos() function: with heredoc strings ***\n";
+echo "-- With empty heredoc string --\n";
+$empty_string = <<<EOD
+EOD;
+var_dump( strrpos($empty_string, "") );
+try {
+    strrpos($empty_string, "", 1);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+var_dump( strrpos($empty_string, FALSE) );
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: with heredoc strings ***
+-- With empty heredoc string --
+int(0)
+strrpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+int(0)
+*** Done ***
diff --git a/tests/std/strings/strrpos_variation8.phpt b/tests/std/strings/strrpos_variation8.phpt
new file mode 100644
index 00000000..d16ec929
--- /dev/null
+++ b/tests/std/strings/strrpos_variation8.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test strrpos() function : usage variations - repetitive chars for 'haystack' argument
+--FILE--
+<?php
+/* Test strrpos() function with strings containing multiple occurrences of 'needle' in the 'haystack'
+ *  and with various needles & offsets
+*/
+
+echo "*** Testing strrpos() function: strings repetitive chars ***\n";
+$haystack = "ababababAbaBa";
+$needle = "aba";
+
+/* loop through to consider various offsets in getting the position of the needle in haystack string */
+$count = 1;
+for($offset = -1; $offset <= strlen($haystack); $offset++ ) {
+  echo "-- Iteration $count --\n";
+  var_dump( strrpos($haystack, $needle, $offset) );
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strrpos() function: strings repetitive chars ***
+-- Iteration 1 --
+int(4)
+-- Iteration 2 --
+int(4)
+-- Iteration 3 --
+int(4)
+-- Iteration 4 --
+int(4)
+-- Iteration 5 --
+int(4)
+-- Iteration 6 --
+int(4)
+-- Iteration 7 --
+bool(false)
+-- Iteration 8 --
+bool(false)
+-- Iteration 9 --
+bool(false)
+-- Iteration 10 --
+bool(false)
+-- Iteration 11 --
+bool(false)
+-- Iteration 12 --
+bool(false)
+-- Iteration 13 --
+bool(false)
+-- Iteration 14 --
+bool(false)
+-- Iteration 15 --
+bool(false)
+*** Done ***
diff --git a/tests/std/strings/strspn.phpt b/tests/std/strings/strspn.phpt
new file mode 100644
index 00000000..9f498b84
--- /dev/null
+++ b/tests/std/strings/strspn.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Test strspn() behavior
+--FILE--
+<?php
+$a = "22222222aaaa bbb1111 cccc";
+$b = "1234";
+var_dump($a);
+var_dump($b);
+var_dump(strspn($a,$b));
+var_dump(strspn($a,$b,2));
+var_dump(strspn($a,$b,2,3));
+?>
+--EXPECT--
+string(25) "22222222aaaa bbb1111 cccc"
+string(4) "1234"
+int(8)
+int(6)
+int(3)
diff --git a/tests/std/strings/strspn_basic.phpt b/tests/std/strings/strspn_basic.phpt
new file mode 100644
index 00000000..6d48812c
--- /dev/null
+++ b/tests/std/strings/strspn_basic.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test strspn() function : basic functionality
+--FILE--
+<?php
+/*
+* Testing strspn() : basic functionality
+*/
+
+echo "*** Testing strspn() : basic functionality ***\n";
+
+
+// Initialise all required variables
+$str = "this is the test string";
+$mask = "htes ";
+$start = 8;
+$len = 12;
+
+// Calling strspn() with all possible arguments
+var_dump( strspn($str, $mask, $start, $len) );
+
+// Calling strspn() with three arguments and default len argument
+var_dump( strspn($str, $mask, $start) );
+
+// Calling strspn() with default arguments
+var_dump( strspn($str, $mask) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strspn() : basic functionality ***
+int(11)
+int(11)
+int(2)
+Done
diff --git a/tests/std/strings/strspn_variation10.phpt b/tests/std/strings/strspn_variation10.phpt
new file mode 100644
index 00000000..c6452abd
--- /dev/null
+++ b/tests/std/strings/strspn_variation10.phpt
@@ -0,0 +1,267 @@
+--TEST--
+Test strspn() function : usage variations - with varying mask & default start and len args
+--FILE--
+<?php
+/*
+* Testing strspn() : with varying mask and default start and len arguments
+*/
+
+echo "*** Testing strspn() : with different mask strings and default start and len arguments ***\n";
+
+// initialing required variables
+// defining different strings
+$strings = array(
+                   "",
+           '',
+           "\n",
+           '\n',
+           "hello\tworld\nhello\nworld\n",
+           'hello\tworld\nhello\nworld\n',
+           "1234hello45world\t123",
+           '1234hello45world\t123',
+           "hello\0world\012",
+           'hello\0world\012',
+           chr(0).chr(0),
+           chr(0)."hello\0world".chr(0),
+           chr(0).'hello\0world'.chr(0),
+           "hello".chr(0)."world",
+           'hello'.chr(0).'world',
+           "hello\0\100\xaaaworld",
+           'hello\0\100\xaaaworld'
+                   );
+
+// define the array of mask strings
+$mask_array = array(
+            "",
+            '',
+            "f\n\trelshti \l",
+            'f\n\trelsthi \l',
+            "\telh",
+            "t\ ",
+            '\telh',
+            "felh\t\ ",
+            " \t",
+                    "fhel\t\i\100\xa"
+                   );
+
+
+// loop through each element of the array for mask argument
+
+$count = 1;
+foreach($strings as $str)  {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask)  {
+      var_dump( strspn($str,$mask) );
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strspn() : with different mask strings and default start and len arguments ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 2 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 3 --
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+
+-- Iteration 4 --
+int(0)
+int(0)
+int(1)
+int(2)
+int(0)
+int(1)
+int(1)
+int(1)
+int(0)
+int(1)
+
+-- Iteration 5 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 6 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 7 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 8 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 9 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 10 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 11 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 12 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 13 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 14 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 15 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 16 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+
+-- Iteration 17 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(4)
+int(0)
+int(4)
+int(4)
+int(0)
+int(4)
+Done
diff --git a/tests/std/strings/strspn_variation11.phpt b/tests/std/strings/strspn_variation11.phpt
new file mode 100644
index 00000000..6e4fcac3
--- /dev/null
+++ b/tests/std/strings/strspn_variation11.phpt
@@ -0,0 +1,1299 @@
+--TEST--
+Test strspn() function : usage variations - with varying start and default len args
+--FILE--
+<?php
+/*
+* Testing strspn() : with varying start and default len arguments
+*/
+
+echo "*** Testing strspn() : with different start and default len values ***\n";
+
+// initialing required variables
+// defining different strings
+$strings = array(
+                   "",
+           '',
+           "\n",
+           '\n',
+           "hello\tworld\nhello\nworld\n",
+           'hello\tworld\nhello\nworld\n',
+           "1234hello45world\t123",
+           '1234hello45world\t123',
+           "hello\0world\012",
+           'hello\0world\012',
+           chr(0).chr(0),
+           chr(0)."hello\0world".chr(0),
+           chr(0).'hello\0world'.chr(0),
+           "hello".chr(0)."world",
+           'hello'.chr(0).'world',
+           "hello\0\100\xaaaworld",
+           'hello\0\100\xaaaworld'
+                   );
+
+// define the array of mask strings
+$mask_array = array(
+            "",
+            '',
+            "f\n\trelshti \l",
+            'f\n\trelsthi \l',
+            "\telh",
+            "t\ ",
+            '\telh',
+            "felh\t\ ",
+            " \t",
+                    "fhel\t\i\100\xa"
+                   );
+
+// defining the array for start values
+$start_array = array(
+            0,
+            1,
+                    2,
+            -1,
+            -2,
+            2147483647,  // max positive integer
+            -2147483648,  // min negative integer
+                   );
+
+
+// loop through each element of the arrays for str, mask and start argument
+$count = 1;
+foreach($strings as $str) {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask) {
+    foreach($start_array as $start) {
+      var_dump( strspn($str,$mask,$start) );
+    }
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strspn() : with different start and default len values ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 2 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 3 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(1)
+int(1)
+int(0)
+int(1)
+
+-- Iteration 4 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+int(2)
+int(1)
+int(0)
+int(1)
+int(2)
+int(0)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+int(1)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(1)
+
+-- Iteration 5 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(1)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(1)
+int(0)
+int(0)
+int(4)
+
+-- Iteration 6 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(1)
+int(2)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 7 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 8 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
+int(0)
+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 9 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(1)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(1)
+int(0)
+int(0)
+int(4)
+
+-- Iteration 10 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(0)
+int(0)
+int(4)
+
+-- Iteration 11 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
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+int(0)
+int(0)
+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
+int(0)
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+int(0)
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+int(0)
+int(0)
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+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 12 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
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+int(4)
+int(3)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 13 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(0)
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+int(0)
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+int(0)
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+int(0)
+int(0)
+int(4)
+int(3)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 14 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
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+int(0)
+int(4)
+int(4)
+int(3)
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+int(0)
+int(1)
+int(0)
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+int(4)
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+int(2)
+int(0)
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+int(0)
+int(0)
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+int(0)
+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 15 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(1)
+int(0)
+int(4)
+int(4)
+int(3)
+int(2)
+int(0)
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+int(0)
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+int(0)
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+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 16 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 17 --
+int(0)
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+int(4)
+int(3)
+int(2)
+int(0)
+int(1)
+int(0)
+int(4)
+Done
diff --git a/tests/std/strings/strspn_variation12.phpt b/tests/std/strings/strspn_variation12.phpt
new file mode 100644
index 00000000..94ecbeec
--- /dev/null
+++ b/tests/std/strings/strspn_variation12.phpt
@@ -0,0 +1,2871 @@
+--TEST--
+Test strspn() function : usage variations - with varying start and len args
+--FILE--
+<?php
+/*
+* Testing strspn() : with varying start and len arguments
+*/
+
+echo "*** Testing strspn() : with different start and len values ***\n";
+
+// initialing required variables
+// defining different strings
+$strings = array(
+                   "",
+           '',
+           "\n",
+           '\n',
+           "hello\tworld\nhello\nworld\n",
+           "1234hello45world\t123",
+           "hello\0world\012",
+           chr(0).chr(0),
+           chr(0)."hello\0world".chr(0),
+           "hello".chr(0)."world",
+           "hello\0\100\xaaaworld",
+                   );
+
+// define the array of mask strings
+$mask_array = array(
+            "",
+            '',
+            "f\n\trelshti \l",
+            'f\n\trelsthi \l',
+            "\telh",
+            "felh\t\ ",
+                    "fhel\t\i\100\xa"
+                   );
+
+// defining the array for start values
+$start_array = array(
+            0,
+            1,
+            2,
+            -1,
+            2147483647,  // max positive integer
+            -2147483648,  // min negative integer
+                   );
+
+// defining an array of len values
+$len_array = array(
+            0,
+            1,
+            2,
+            -1,
+            2147483647,  // max positive integer
+            -2147483648,  // min negative integer
+                   );
+
+
+// loop through each element of the array for len argument
+$count = 1;
+foreach($strings as $str) {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask) {
+    foreach($start_array as $start) {
+      foreach($len_array as $len) {
+        var_dump( strspn($str,$mask,$start,$len) );
+      }
+    }
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strspn() : with different start and len values ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
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+-- Iteration 2 --
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+
+-- Iteration 3 --
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+
+-- Iteration 4 --
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+
+-- Iteration 5 --
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+
+-- Iteration 6 --
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+
+-- Iteration 7 --
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+
+-- Iteration 8 --
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+
+-- Iteration 9 --
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+
+-- Iteration 10 --
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+
+-- Iteration 11 --
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+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+int(0)
+int(1)
+int(2)
+int(3)
+int(3)
+int(0)
+int(0)
+int(1)
+int(2)
+int(2)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(1)
+int(2)
+int(4)
+int(4)
+int(0)
+Done
diff --git a/tests/std/strings/strspn_variation5.phpt b/tests/std/strings/strspn_variation5.phpt
new file mode 100644
index 00000000..cf16801f
--- /dev/null
+++ b/tests/std/strings/strspn_variation5.phpt
@@ -0,0 +1,112 @@
+--TEST--
+Test strspn() function : usage variations - with heredoc strings with default start and len args
+--SKIPIF--
+<?php
+echo 'skip null byte display differs under AOT';
+?>
+--FILE--
+<?php
+/* Prototype  : proto int strspn(string str, string mask [, int start [, int len]])
+ * Description: Finds length of initial segment consisting entirely of characters found in mask.
+                If start or/and length is provided works like strspn(substr($s,$start,$len),$good_chars)
+ * Source code: ext/standard/string.c
+ * Alias to functions: none
+*/
+
+/*
+* Testing strspn() : with different heredoc strings as str argument
+*/
+
+echo "*** Testing strspn() : with heredoc strings ***\n";
+
+// initialing required variables
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_with_hexa_octal = <<<EOT
+hello\0\100\xaaworld\0hello
+\0hello\0
+EOT;
+
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+                   $heredoc_with_newline_and_tabs,
+                   $heredoc_with_alphanumerics,
+                   $heredoc_with_embedded_nulls,
+                   $heredoc_with_hexa_octal
+                   );
+
+$mask = "sfth12\ne34l567890\0\xaa\100o";
+
+
+// loop through each element of the array for str argument
+
+foreach($heredoc_strings as $str) {
+      echo "\n-- Iteration with str value as \"$str\" --\n";
+      var_dump( strspn($str,$mask) ); // with default start and len values;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing strspn() : with heredoc strings ***
+
+-- Iteration with str value as "" --
+int(0)
+
+-- Iteration with str value as "
+
+" --
+int(2)
+
+-- Iteration with str value as "first line of heredoc string
+second line of heredoc string
+third line of heredocstring" --
+int(1)
+
+-- Iteration with str value as "hello	world
+hello
+world
+" --
+int(5)
+
+-- Iteration with str value as "hello123world456
+1234hello	1234" --
+int(8)
+
+-- Iteration with str value as "hello%0world%0hello
+%0hello%0" --
+int(6)
+
+-- Iteration with str value as "hello%0@�world%0hello
+%0hello%0" --
+int(8)
+Done
diff --git a/tests/std/strings/strspn_variation6.phpt b/tests/std/strings/strspn_variation6.phpt
new file mode 100644
index 00000000..f6539b81
--- /dev/null
+++ b/tests/std/strings/strspn_variation6.phpt
@@ -0,0 +1,176 @@
+--TEST--
+Test strspn() function : usage variations - with heredoc strings, varying mask & default start and len args
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+* Testing strspn() : with heredoc string, varying mask and default start and len arguments
+*/
+
+echo "*** Testing strspn() : with different mask strings ***\n";
+
+// initialing required variables
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_with_hexa_octal = <<<EOT
+hello\0\100\xaaworld\0hello
+\0hello\0
+EOT;
+
+// defining array of different heredoc strings
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+                   $heredoc_with_newline_and_tabs,
+                   $heredoc_with_alphanumerics,
+                   $heredoc_with_embedded_nulls,
+                   $heredoc_with_hexa_octal;
+                   );
+
+// defining array of different mask strings
+$mask_array = array(
+            "",
+            '',
+            "fh\ne\trlsti \l",
+            'fieh\n\trlsti \l',
+            "\t",
+            "lt\ ",
+            'l\t',
+            "fl\t\eh ",
+            "l \te",
+                    "lf\the\i\100\xaa"
+                   );
+
+
+// loop through each element of the array for different heredoc and mask strings
+
+$count = 1;
+
+foreach($heredoc_strings as $str)  {
+  echo "\n-- Iteration $count --\n";
+  foreach($mask_array as $mask)  {
+      var_dump( strspn($str,$mask) ); // with default start and len value;
+  }
+  $count++;
+}
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing strspn() : with different mask strings ***
+
+-- Iteration 1 --
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 2 --
+int(0)
+int(0)
+int(2)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+int(0)
+
+-- Iteration 3 --
+int(0)
+int(0)
+int(8)
+int(11)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(2)
+
+-- Iteration 4 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 5 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 6 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(4)
+
+-- Iteration 7 --
+int(0)
+int(0)
+int(4)
+int(4)
+int(0)
+int(0)
+int(0)
+int(1)
+int(0)
+int(4)
+Done
diff --git a/tests/std/strings/strspn_variation9.phpt b/tests/std/strings/strspn_variation9.phpt
new file mode 100644
index 00000000..24a62324
--- /dev/null
+++ b/tests/std/strings/strspn_variation9.phpt
@@ -0,0 +1,113 @@
+--TEST--
+Test strspn() function : usage variations - different strings with default start and len args
+--FILE--
+<?php
+/* Prototype  : proto int strspn(string str, string mask [, int start [, int len]])
+ * Description: Finds length of initial segment consisting entirely of characters found in mask.
+                If start or/and length is provided works like strspn(substr($s,$start,$len),$good_chars)
+ * Source code: ext/standard/string.c
+ * Alias to functions: none
+*/
+
+/*
+* Testing strspn() : with different strings as str argument and default start and len args
+*/
+
+echo "*** Testing strspn() : with different str and default start and len args ***\n";
+
+// initialing required variables
+// defining different strings
+
+$strings = array(
+                   "",
+           '',
+           "\n",
+           '\n',
+           "hello\tworld\nhello\nworld\n",
+           'hello\tworld\nhello\nworld\n',
+           "1234hello45world\t123",
+           '1234hello45world\t123',
+           "hello\0world\012",
+           'hello\0world\012',
+           chr(0).chr(0),
+           chr(0)."hello\0world".chr(0),
+           chr(0).'hello\0world'.chr(0),
+           "hello".chr(0)."world",
+           'hello'.chr(0).'world',
+           "hello\0\100\xaaaworld",
+           'hello\0\100\xaaaworld'
+                   );
+
+$mask = "sfth12\ne34lw56r78d90\0\xaa\100o";
+
+
+// loop through each element of the array for str argument
+
+foreach($strings as $str) {
+      echo "\n-- Iteration with str value \"$str\" --\n";
+
+      //calling strspn() with default arguments
+      var_dump( strspn($str,$mask) );
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing strspn() : with different str and default start and len args ***
+
+-- Iteration with str value "" --
+int(0)
+
+-- Iteration with str value "" --
+int(0)
+
+-- Iteration with str value "
+" --
+int(1)
+
+-- Iteration with str value "\n" --
+int(0)
+
+-- Iteration with str value "hello	world
+hello
+world
+" --
+int(5)
+
+-- Iteration with str value "hello\tworld\nhello\nworld\n" --
+int(5)
+
+-- Iteration with str value "1234hello45world	123" --
+int(16)
+
+-- Iteration with str value "1234hello45world\t123" --
+int(16)
+
+-- Iteration with str value "hello%0world
+" --
+int(12)
+
+-- Iteration with str value "hello\0world\012" --
+int(5)
+
+-- Iteration with str value "%0%0" --
+int(2)
+
+-- Iteration with str value "%0hello%0world%0" --
+int(13)
+
+-- Iteration with str value "%0hello\0world%0" --
+int(6)
+
+-- Iteration with str value "hello%0world" --
+int(11)
+
+-- Iteration with str value "hello%0world" --
+int(11)
+
+-- Iteration with str value "hello%0@ªaworld" --
+int(8)
+
+-- Iteration with str value "hello\0\100\xaaaworld" --
+int(5)
+Done
diff --git a/tests/std/strings/strstr.phpt b/tests/std/strings/strstr.phpt
new file mode 100644
index 00000000..fdee1c66
--- /dev/null
+++ b/tests/std/strings/strstr.phpt
@@ -0,0 +1,363 @@
+--TEST--
+Test strstr() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+echo "*** Testing basic functionality of strstr() ***\n";
+var_dump( strstr("test string", "test") );
+var_dump( strstr("test string", "string") );
+var_dump( strstr("test string", "strin") );
+var_dump( strstr("test string", "t s") );
+var_dump( strstr("test string", "g") );
+var_dump( md5(strstr("te".chr(0)."st", chr(0))) );
+var_dump( strstr("tEst", "test") );
+var_dump( strstr("teSt", "test") );
+var_dump( strstr("", "") );
+var_dump( strstr("a", "") );
+var_dump( strstr("", "a") );
+
+
+echo "\n*** Testing strstr() with various needles ***";
+$string =
+"Hello world,012033 -3.3445     NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n
+abcd$:Hello world";
+
+/* needles in an array to get the string starts with needle, in $string */
+$needles = array(
+  "Hello world",
+  "WORLD",
+  "\0",
+  "\x00",
+  "\x000",
+  "abcd",
+  "xyz",
+  "octal",
+  "-3",
+  -3,
+  "-3.344",
+  -3.344,
+  "NULL",
+  "0",
+  0,
+  TRUE,
+  "TRUE",
+  "1",
+  1,
+  FALSE,
+  "FALSE",
+  " ",
+  "     ",
+  'b',
+  '\n',
+  "\n",
+  "12",
+  "12twelve",
+  $string
+);
+
+/* loop through to get the string starts with "needle" in $string */
+for( $i = 0; $i < count($needles); $i++ ) {
+  echo "\n-- Iteration $i --\n";
+  var_dump( strstr($string, $needles[$i]) );
+}
+
+
+echo "\n*** Testing miscellaneous input data ***\n";
+
+echo "-- Passing objects as string and needle --\n";
+/* we get "Recoverable fatal error: saying Object of class needle could not be
+converted to string" by default when an object is passed instead of string:
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class StringCapable
+{
+  function __toString() {
+    return "Hello, world";
+  }
+}
+$obj_string = new StringCapable;
+
+class needle
+{
+  function __toString() {
+    return "world";
+  }
+}
+$obj_needle = new needle;
+
+var_dump(strstr("$obj_string", "$obj_needle"));
+
+
+echo "\n-- Posiibilities with null --\n";
+var_dump( strstr("", NULL) );
+var_dump( strstr(NULL, NULL) );
+var_dump( strstr("a", NULL) );
+var_dump( strstr("/x0", "0") );  // Hexadecimal NUL
+
+echo "\n-- A longer and heredoc string --\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump( strstr($string, "abcd") );
+var_dump( strstr($string, "1234") );
+
+echo "\n-- A heredoc null string --\n";
+$str = <<<EOD
+EOD;
+var_dump( strstr($str, "\0") );
+var_dump( strstr($str, "0") );
+
+
+echo "\n-- simple and complex syntax strings --\n";
+$needle = 'world';
+
+/* Simple syntax */
+var_dump( strstr("Hello, world", "$needle") );  // works
+var_dump( strstr("Hello, world'S", "$needle'S") );  // works
+var_dump( strstr("Hello, worldS", "$needleS") );  // won't work
+
+/* String with curly braces, complex syntax */
+var_dump( strstr("Hello, worldS", "${needle}S") );  // works
+var_dump( strstr("Hello, worldS", "{$needle}S") );  // works
+
+echo "\n*** Testing error conditions ***";
+var_dump( strstr($string, ""));
+var_dump( strstr("a", "b", "c") );  // args > expected
+
+?>
+
+DONE
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+*** Testing basic functionality of strstr() ***
+string(11) "test string"
+string(6) "string"
+string(6) "string"
+string(8) "t string"
+string(1) "g"
+string(32) "7272696018bdeb2c9a3f8d01fc2a9273"
+bool(false)
+bool(false)
+string(0) ""
+string(1) "a"
+bool(false)
+
+*** Testing strstr() with various needles ***
+-- Iteration 0 --
+string(85) "Hello world,012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 1 --
+bool(false)
+
+-- Iteration 2 --
+string(39) "%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 3 --
+string(39) "%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 4 --
+string(27) "%00 octal
+
+abcd$:Hello world"
+
+-- Iteration 5 --
+string(37) "abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 6 --
+string(31) "xyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 7 --
+string(24) "octal
+
+abcd$:Hello world"
+
+-- Iteration 8 --
+string(66) "-3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 9 --
+string(66) "-3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 10 --
+string(66) "-3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 11 --
+string(66) "-3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 12 --
+string(54) "NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 13 --
+string(73) "012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 14 --
+string(73) "012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 15 --
+string(72) "12033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 16 --
+string(49) "TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 17 --
+string(72) "12033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 18 --
+string(72) "12033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 19 --
+string(85) "Hello world,012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 20 --
+string(44) "FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 21 --
+string(80) " world,012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 22 --
+string(59) "     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 23 --
+string(36) "bcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 24 --
+bool(false)
+
+-- Iteration 25 --
+string(19) "
+
+abcd$:Hello world"
+
+-- Iteration 26 --
+string(72) "12033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+-- Iteration 27 --
+bool(false)
+
+-- Iteration 28 --
+string(85) "Hello world,012033 -3.3445     NULL TRUE FALSE%0 abcd\xxyz %00 octal
+
+abcd$:Hello world"
+
+*** Testing miscellaneous input data ***
+-- Passing objects as string and needle --
+string(5) "world"
+
+-- Posiibilities with null --
+
+Deprecated: strstr(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d
+string(0) ""
+
+Deprecated: strstr(): Passing null to parameter #1 ($haystack) of type string is deprecated in %s on line %d
+
+Deprecated: strstr(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d
+string(0) ""
+
+Deprecated: strstr(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d
+string(1) "a"
+string(1) "0"
+
+-- A longer and heredoc string --
+string(729) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
+string(702) "123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
+
+-- A heredoc null string --
+bool(false)
+bool(false)
+
+-- simple and complex syntax strings --
+string(5) "world"
+string(7) "world'S"
+
+Warning: Undefined variable $needleS in %s on line %d
+string(13) "Hello, worldS"
+string(6) "worldS"
+string(6) "worldS"
+
+*** Testing error conditions ***string(729) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
+bool(false)
+
+DONE
diff --git a/tests/std/strings/strstr2.phpt b/tests/std/strings/strstr2.phpt
new file mode 100644
index 00000000..fadeb10c
--- /dev/null
+++ b/tests/std/strings/strstr2.phpt
@@ -0,0 +1,40 @@
+--TEST--
+strstr() - New parameter: before_needle
+--FILE--
+<?php
+
+$email  = 'aexample.com';
+var_dump(strstr($email, '@'));
+var_dump(strstr($email, '@', 1));
+$email  = 'a@example.com';
+var_dump(strstr($email, '@'));
+var_dump(strstr($email, '@', 1));
+$email  = 'asdfasdfas@e';
+var_dump(strstr($email, '@'));
+var_dump(strstr($email, '@', 1));
+$email  = '@';
+var_dump(strstr($email, '@'));
+var_dump(strstr($email, '@', 1));
+$email  = 'eE@fF';
+var_dump(strstr($email, 'e'));
+var_dump(strstr($email, 'e', 1));
+var_dump(strstr($email, 'E'));
+var_dump(strstr($email, 'E', 1));
+
+var_dump(strstr('', ' ', ''));
+
+?>
+--EXPECT--
+bool(false)
+bool(false)
+string(12) "@example.com"
+string(1) "a"
+string(2) "@e"
+string(10) "asdfasdfas"
+string(1) "@"
+string(0) ""
+string(5) "eE@fF"
+string(0) ""
+string(4) "E@fF"
+string(1) "e"
+bool(false)
diff --git a/tests/std/strings/strstr_variation1.phpt b/tests/std/strings/strstr_variation1.phpt
new file mode 100644
index 00000000..d07ac27d
--- /dev/null
+++ b/tests/std/strings/strstr_variation1.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test strstr() function : usage variations - complex strings containing other than 7-bit chars
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+$string = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255);
+$stringAsHex = bin2hex($string);
+echo "-- Positions of some chars in the string '$stringAsHex' are as follows --\n";
+echo bin2hex( chr(128) ) ." => ";
+var_dump( bin2hex( strstr($string, chr(128) ) ) );
+echo bin2hex( chr(255) ) ." => ";
+var_dump( bin2hex( strstr($string, chr(255) ) ) );
+echo bin2hex( chr(0) ) ." => ";
+var_dump( bin2hex( strstr($string, chr(0) ) ) );
+?>
+
+DONE
+?>
+--EXPECT--
+-- Positions of some chars in the string '008081eaebfeff' are as follows --
+80 => string(12) "8081eaebfeff"
+ff => string(2) "ff"
+00 => string(14) "008081eaebfeff"
+
+DONE
diff --git a/tests/std/strings/strtok_basic.phpt b/tests/std/strings/strtok_basic.phpt
new file mode 100644
index 00000000..102e0d03
--- /dev/null
+++ b/tests/std/strings/strtok_basic.phpt
@@ -0,0 +1,58 @@
+--TEST--
+Test strtok() function : basic functionality
+--FILE--
+<?php
+/*
+ * Testing strtok() : basic functionality
+*/
+
+echo "*** Testing strtok() : basic functionality ***\n";
+
+// Initialize all required variables
+$str = 'This testcase test strtok() function.';
+$token = ' ().';
+
+echo "\nThe Input string is:\n\"$str\"\n";
+echo "\nThe token string is:\n\"$token\"\n";
+
+// using strtok() with $str argument
+echo "\n--- Token 1 ---\n";
+var_dump( strtok($str, $token) );
+
+for( $i = 2; $i <=7; $i++ )  {
+  echo "\n--- Token $i ---\n";
+  var_dump( strtok($token) );
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing strtok() : basic functionality ***
+
+The Input string is:
+"This testcase test strtok() function."
+
+The token string is:
+" ()."
+
+--- Token 1 ---
+string(4) "This"
+
+--- Token 2 ---
+string(8) "testcase"
+
+--- Token 3 ---
+string(4) "test"
+
+--- Token 4 ---
+string(6) "strtok"
+
+--- Token 5 ---
+string(8) "function"
+
+--- Token 6 ---
+bool(false)
+
+--- Token 7 ---
+bool(false)
+Done
diff --git a/tests/std/strings/strtok_variation3.phpt b/tests/std/strings/strtok_variation3.phpt
new file mode 100644
index 00000000..93927d9c
--- /dev/null
+++ b/tests/std/strings/strtok_variation3.phpt
@@ -0,0 +1,179 @@
+--TEST--
+Test strtok() function : usage variations - with heredoc strings
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * Testing strtok() : with heredoc strings
+*/
+
+echo "*** Testing strtok() : with heredoc strings ***\n";
+
+// defining different heredoc strings
+$empty_heredoc = <<<EOT
+EOT;
+
+$heredoc_with_newline = <<<EOT
+\n
+
+EOT;
+
+$heredoc_with_characters = <<<EOT
+first line of heredoc string
+second line of heredoc string
+third line of heredocstring
+EOT;
+
+$heredoc_with_newline_and_tabs = <<<EOT
+hello\tworld\nhello\nworld\n
+EOT;
+
+$heredoc_with_alphanumerics = <<<EOT
+hello123world456
+1234hello\t1234
+EOT;
+
+$heredoc_with_embedded_nulls = <<<EOT
+hello\0world\0hello
+\0hello\0
+EOT;
+
+$heredoc_strings = array(
+                   $empty_heredoc,
+                   $heredoc_with_newline,
+                   $heredoc_with_characters,
+                   $heredoc_with_newline_and_tabs,
+                   $heredoc_with_alphanumerics,
+                   $heredoc_with_embedded_nulls
+                   );
+
+// loop through each element of the array and check the working of strtok()
+// when supplied with different string values
+
+$count = 1;
+foreach($heredoc_strings as $string)  {
+  echo "\n--- Iteration $count ---\n";
+  var_dump( strtok($string, "5o\0\n\t") );
+  for($counter = 1; $counter <= 10; $counter++)  {
+    var_dump( strtok("5o\0\n\t") );
+  }
+  $count++;
+}
+
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing strtok() : with heredoc strings ***
+
+--- Iteration 1 ---
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 2 ---
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+--- Iteration 3 ---
+string(11) "first line "
+string(7) "f hered"
+string(8) "c string"
+string(3) "sec"
+string(8) "nd line "
+string(7) "f hered"
+string(8) "c string"
+string(11) "third line "
+string(7) "f hered"
+string(7) "cstring"
+bool(false)
+
+--- Iteration 4 ---
+string(4) "hell"
+string(1) "w"
+string(3) "rld"
+string(4) "hell"
+string(1) "w"
+string(3) "rld"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 5 ---
+string(4) "hell"
+string(4) "123w"
+string(4) "rld4"
+string(1) "6"
+string(8) "1234hell"
+string(4) "1234"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 6 ---
+string(4) "hell"
+string(1) "w"
+string(3) "rld"
+string(4) "hell"
+string(4) "hell"
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+Done
diff --git a/tests/std/strings/strtok_variation4.phpt b/tests/std/strings/strtok_variation4.phpt
new file mode 100644
index 00000000..81054f8e
--- /dev/null
+++ b/tests/std/strings/strtok_variation4.phpt
@@ -0,0 +1,127 @@
+--TEST--
+Test strtok() function : usage variations - with embedded nulls in the strings
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * Testing strtok() : with embedded nulls in the strings
+*/
+
+echo "*** Testing strtok() : with embedded nulls in the strings ***\n";
+
+// defining varous strings with embedded nulls
+$strings_with_nulls = array(
+                   "\0",
+                   '\0',
+                           "hello\0world",
+                           "\0hel\0lo",
+                           "hello\0",
+                           "\0\0hello\tworld\0\0",
+                           "\\0he\0llo\\0",
+                           'hello\0\0'
+                           );
+
+// loop through each element of the array and check the working of strtok()
+// when supplied with different string values
+
+$counter = 1;
+foreach( $strings_with_nulls as $string )  {
+  echo "\n--- Iteration $counter ---\n";
+  var_dump( strtok($string, "\0") );
+  for($count = 1; $count <= 5; $count++)  {
+    var_dump( strtok("\0") );
+  }
+  $counter++;
+}
+
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing strtok() : with embedded nulls in the strings ***
+
+--- Iteration 1 ---
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+--- Iteration 2 ---
+string(2) "\0"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 3 ---
+string(5) "hello"
+string(5) "world"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 4 ---
+string(3) "hel"
+string(2) "lo"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 5 ---
+string(5) "hello"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 6 ---
+string(11) "hello	world"
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+--- Iteration 7 ---
+string(4) "\0he"
+string(5) "llo\0"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 8 ---
+string(9) "hello\0\0"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+Done
diff --git a/tests/std/strings/strtok_variation5.phpt b/tests/std/strings/strtok_variation5.phpt
new file mode 100644
index 00000000..1771c74a
--- /dev/null
+++ b/tests/std/strings/strtok_variation5.phpt
@@ -0,0 +1,179 @@
+--TEST--
+Test strtok() function : usage variations - miscellaneous inputs
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * Testing strtok() : with miscellaneous combinations of string and token
+*/
+
+echo "*** Testing strtok() : with miscellaneous inputs ***\n";
+
+// defining arrays for input strings and tokens
+$string_array = array(
+               "HELLO WORLD",
+               "hello world",
+               "_HELLO_WORLD_",
+               "/thello/t/wor/ttld",
+               "hel/lo/t/world",
+                       "one:$:two:!:three:#:four",
+               "\rhello/r/wor\rrld",
+                   chr(0),
+                       chr(0).chr(0),
+                       chr(0).'hello'.chr(0),
+                       'hello'.chr(0).'world'
+             );
+$token_array = array(
+              "wr",
+              "hello world",
+              "__",
+                      "t/",
+              '/t',
+              ":",
+              "\r",
+              "\0",
+              "\0",
+              "\0",
+              "\0",
+            );
+
+// loop through each element of the array and check the working of strtok()
+// when supplied with different string and token values
+
+$counter =1;
+foreach( $string_array as $string )  {
+  echo "\n--- Iteration $counter ---\n";
+  var_dump( strtok($string, $token_array[$counter-1]) );
+  for( $count = 1; $count <=5; $count++ )  {
+    var_dump( strtok($token_array[$counter-1]) );
+  }
+  $counter++;
+}
+
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing strtok() : with miscellaneous inputs ***
+
+--- Iteration 1 ---
+string(11) "HELLO WORLD"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 2 ---
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+--- Iteration 3 ---
+string(5) "HELLO"
+string(5) "WORLD"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 4 ---
+string(5) "hello"
+string(3) "wor"
+string(2) "ld"
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 5 ---
+string(3) "hel"
+string(2) "lo"
+string(5) "world"
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 6 ---
+string(3) "one"
+string(1) "$"
+string(3) "two"
+string(1) "!"
+string(5) "three"
+string(1) "#"
+
+--- Iteration 7 ---
+string(11) "hello/r/wor"
+string(3) "rld"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 8 ---
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+--- Iteration 9 ---
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+--- Iteration 10 ---
+string(5) "hello"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+
+--- Iteration 11 ---
+string(5) "hello"
+string(5) "world"
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+Done
diff --git a/tests/std/strings/strtok_variation6.phpt b/tests/std/strings/strtok_variation6.phpt
new file mode 100644
index 00000000..9d5440d8
--- /dev/null
+++ b/tests/std/strings/strtok_variation6.phpt
@@ -0,0 +1,167 @@
+--TEST--
+Test strtok() function : usage variations - invalid escape sequences as tokens
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/*
+ * Testing strtok() : with invalid escape sequences in token
+*/
+
+echo "*** Testing strtok() : with invalid escape sequences in token ***\n";
+
+// defining arrays for input strings and tokens
+$string_array = array(
+               "khellok worldk",
+               "\khello\k world\k",
+               "/khello\k world/k",
+               "/hellok/ world"
+             );
+$token_array = array(
+               "k",
+               "/ ",
+               "/k",
+               "\k",
+               "\\\\\\\k\h\\e\l\o\w\r\l\d"
+            );
+
+// loop through each element of the array and check the working of strtok()
+// when supplied with different string and token values
+
+$counter =1;
+foreach( $string_array as $string )  {
+  echo "\n--- Iteration $counter ---\n";
+  foreach( $token_array as $token )  {
+    var_dump( strtok($string, $token) );
+    for( $count = 1; $count <=3; $count++ )  {
+      var_dump( strtok($token) );
+    }
+    echo "\n";
+  }
+  $counter++;
+}
+
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing strtok() : with invalid escape sequences in token ***
+
+--- Iteration 1 ---
+string(5) "hello"
+string(6) " world"
+bool(false)
+bool(false)
+
+string(7) "khellok"
+string(6) "worldk"
+bool(false)
+bool(false)
+
+string(5) "hello"
+string(6) " world"
+bool(false)
+bool(false)
+
+string(5) "hello"
+string(6) " world"
+bool(false)
+bool(false)
+
+string(1) " "
+string(1) "r"
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+
+--- Iteration 2 ---
+string(1) "\"
+string(6) "hello\"
+string(7) " world\"
+bool(false)
+
+string(9) "\khello\k"
+string(7) "world\k"
+bool(false)
+bool(false)
+
+string(1) "\"
+string(6) "hello\"
+string(7) " world\"
+bool(false)
+
+string(5) "hello"
+string(6) " world"
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+string(1) " "
+string(1) "r"
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+
+--- Iteration 3 ---
+string(1) "/"
+string(6) "hello\"
+string(7) " world/"
+bool(false)
+
+string(8) "khello\k"
+string(5) "world"
+string(1) "k"
+bool(false)
+
+string(6) "hello\"
+string(6) " world"
+bool(false)
+
+Warning: strtok(): Both arguments must be provided when starting tokenization in %s on line %d
+bool(false)
+
+string(1) "/"
+string(5) "hello"
+string(7) " world/"
+bool(false)
+
+string(1) "/"
+string(1) " "
+string(1) "r"
+string(1) "/"
+
+
+--- Iteration 4 ---
+string(6) "/hello"
+string(7) "/ world"
+bool(false)
+bool(false)
+
+string(6) "hellok"
+string(5) "world"
+bool(false)
+bool(false)
+
+string(5) "hello"
+string(6) " world"
+bool(false)
+bool(false)
+
+string(6) "/hello"
+string(7) "/ world"
+bool(false)
+bool(false)
+
+string(1) "/"
+string(2) "/ "
+string(1) "r"
+bool(false)
+
+Done
diff --git a/tests/std/strings/strtok_variation7.phpt b/tests/std/strings/strtok_variation7.phpt
new file mode 100644
index 00000000..07eb3ea0
--- /dev/null
+++ b/tests/std/strings/strtok_variation7.phpt
@@ -0,0 +1,103 @@
+--TEST--
+Test strtok() function : usage variations - modifying the input string while tokenising
+--FILE--
+<?php
+/*
+ * Testing strtok() : modifying the input string while it is getting tokenised
+*/
+
+echo "*** Testing strtok() : with modification of input string in between tokenising ***\n";
+
+$str = "this is a sample string";
+$token = " ";
+
+echo "\n*** Testing strtok() when string being tokenised is prefixed with another string in between the process ***\n";
+var_dump( strtok($str, $token) );
+// adding a string to the input string which is being tokenised
+$str = "extra string ".$str;
+for( $count = 1; $count <=6; $count++ )  {
+  echo "\n-- Token $count is --\n";
+  var_dump( strtok($token) );
+  echo "\n-- Input str is \"$str\" --\n";
+}
+
+echo "\n*** Testing strtok() when string being tokenised is suffixed with another string in between the process ***\n";
+var_dump( strtok($str, $token) );
+// adding a string to the input string which is being tokenised
+$str = $str." extra string";
+for( $count = 1; $count <=10; $count++ )  {
+  echo "\n-- Token $count is --\n";
+  var_dump( strtok($token) );
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing strtok() : with modification of input string in between tokenising ***
+
+*** Testing strtok() when string being tokenised is prefixed with another string in between the process ***
+string(4) "this"
+
+-- Token 1 is --
+string(2) "is"
+
+-- Input str is "extra string this is a sample string" --
+
+-- Token 2 is --
+string(1) "a"
+
+-- Input str is "extra string this is a sample string" --
+
+-- Token 3 is --
+string(6) "sample"
+
+-- Input str is "extra string this is a sample string" --
+
+-- Token 4 is --
+string(6) "string"
+
+-- Input str is "extra string this is a sample string" --
+
+-- Token 5 is --
+bool(false)
+
+-- Input str is "extra string this is a sample string" --
+
+-- Token 6 is --
+bool(false)
+
+-- Input str is "extra string this is a sample string" --
+
+*** Testing strtok() when string being tokenised is suffixed with another string in between the process ***
+string(5) "extra"
+
+-- Token 1 is --
+string(6) "string"
+
+-- Token 2 is --
+string(4) "this"
+
+-- Token 3 is --
+string(2) "is"
+
+-- Token 4 is --
+string(1) "a"
+
+-- Token 5 is --
+string(6) "sample"
+
+-- Token 6 is --
+string(6) "string"
+
+-- Token 7 is --
+bool(false)
+
+-- Token 8 is --
+bool(false)
+
+-- Token 9 is --
+bool(false)
+
+-- Token 10 is --
+bool(false)
+Done
diff --git a/tests/std/strings/strtolower.phpt b/tests/std/strings/strtolower.phpt
new file mode 100644
index 00000000..1abe45a8
--- /dev/null
+++ b/tests/std/strings/strtolower.phpt
@@ -0,0 +1,356 @@
+--TEST--
+Test strtolower() function
+--FILE--
+<?php
+
+echo "*** Testing strtolower() with 256 chars ***\n";
+for ($i=0; $i<=255; $i++){
+  $char = chr($i);
+  print(bin2hex($char))." => ".(bin2hex(strtolower("$char")))."\n";
+}
+
+echo "*** Testing strlower() with basic strings ***\n";
+$str = "Mary Had A liTTle LAmb and ShE loveD IT So\n";
+var_dump(strtolower($str));
+
+echo "\n*** Testing strtolower() with various strings ***";
+/* strings to pass strtolower() */
+$strings = array (
+  "",
+  "string",
+  "stRINg0234",
+  "1.233.344StrinG12333",
+  "$$$$$$!!!!@@@@@@@ ABCDEF !!!***",
+  "ABCD\0abcdABCD",
+  TRUE,
+  FALSE,
+
+  /* Check for off-by-one errors in the SSE implementation */
+  "AAAAAAAAAAAAAAAAAAAA",
+  "ZZZZZZZZZZZZZZZZZZZZ",
+  "@@@@@@@@@@@@@@@@@@@@",
+  "[[[[[[[[[[[[[[[[[[[[",
+  "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+);
+
+$count = 0;
+/* loop through to check possible variations */
+foreach ($strings as $string) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strtolower($string) );
+  $count++;
+}
+
+echo "\n*** Testing strtolower() with two different case strings ***\n";
+if (strtolower("HeLLo woRLd") === strtolower("hEllo WORLD"))
+  echo "strings are same, with Case Insensitive\n";
+else
+  echo "strings are not same\n";
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing strtolower() with 256 chars ***
+00 => 00
+01 => 01
+02 => 02
+03 => 03
+04 => 04
+05 => 05
+06 => 06
+07 => 07
+08 => 08
+09 => 09
+0a => 0a
+0b => 0b
+0c => 0c
+0d => 0d
+0e => 0e
+0f => 0f
+10 => 10
+11 => 11
+12 => 12
+13 => 13
+14 => 14
+15 => 15
+16 => 16
+17 => 17
+18 => 18
+19 => 19
+1a => 1a
+1b => 1b
+1c => 1c
+1d => 1d
+1e => 1e
+1f => 1f
+20 => 20
+21 => 21
+22 => 22
+23 => 23
+24 => 24
+25 => 25
+26 => 26
+27 => 27
+28 => 28
+29 => 29
+2a => 2a
+2b => 2b
+2c => 2c
+2d => 2d
+2e => 2e
+2f => 2f
+30 => 30
+31 => 31
+32 => 32
+33 => 33
+34 => 34
+35 => 35
+36 => 36
+37 => 37
+38 => 38
+39 => 39
+3a => 3a
+3b => 3b
+3c => 3c
+3d => 3d
+3e => 3e
+3f => 3f
+40 => 40
+41 => 61
+42 => 62
+43 => 63
+44 => 64
+45 => 65
+46 => 66
+47 => 67
+48 => 68
+49 => 69
+4a => 6a
+4b => 6b
+4c => 6c
+4d => 6d
+4e => 6e
+4f => 6f
+50 => 70
+51 => 71
+52 => 72
+53 => 73
+54 => 74
+55 => 75
+56 => 76
+57 => 77
+58 => 78
+59 => 79
+5a => 7a
+5b => 5b
+5c => 5c
+5d => 5d
+5e => 5e
+5f => 5f
+60 => 60
+61 => 61
+62 => 62
+63 => 63
+64 => 64
+65 => 65
+66 => 66
+67 => 67
+68 => 68
+69 => 69
+6a => 6a
+6b => 6b
+6c => 6c
+6d => 6d
+6e => 6e
+6f => 6f
+70 => 70
+71 => 71
+72 => 72
+73 => 73
+74 => 74
+75 => 75
+76 => 76
+77 => 77
+78 => 78
+79 => 79
+7a => 7a
+7b => 7b
+7c => 7c
+7d => 7d
+7e => 7e
+7f => 7f
+80 => 80
+81 => 81
+82 => 82
+83 => 83
+84 => 84
+85 => 85
+86 => 86
+87 => 87
+88 => 88
+89 => 89
+8a => 8a
+8b => 8b
+8c => 8c
+8d => 8d
+8e => 8e
+8f => 8f
+90 => 90
+91 => 91
+92 => 92
+93 => 93
+94 => 94
+95 => 95
+96 => 96
+97 => 97
+98 => 98
+99 => 99
+9a => 9a
+9b => 9b
+9c => 9c
+9d => 9d
+9e => 9e
+9f => 9f
+a0 => a0
+a1 => a1
+a2 => a2
+a3 => a3
+a4 => a4
+a5 => a5
+a6 => a6
+a7 => a7
+a8 => a8
+a9 => a9
+aa => aa
+ab => ab
+ac => ac
+ad => ad
+ae => ae
+af => af
+b0 => b0
+b1 => b1
+b2 => b2
+b3 => b3
+b4 => b4
+b5 => b5
+b6 => b6
+b7 => b7
+b8 => b8
+b9 => b9
+ba => ba
+bb => bb
+bc => bc
+bd => bd
+be => be
+bf => bf
+c0 => c0
+c1 => c1
+c2 => c2
+c3 => c3
+c4 => c4
+c5 => c5
+c6 => c6
+c7 => c7
+c8 => c8
+c9 => c9
+ca => ca
+cb => cb
+cc => cc
+cd => cd
+ce => ce
+cf => cf
+d0 => d0
+d1 => d1
+d2 => d2
+d3 => d3
+d4 => d4
+d5 => d5
+d6 => d6
+d7 => d7
+d8 => d8
+d9 => d9
+da => da
+db => db
+dc => dc
+dd => dd
+de => de
+df => df
+e0 => e0
+e1 => e1
+e2 => e2
+e3 => e3
+e4 => e4
+e5 => e5
+e6 => e6
+e7 => e7
+e8 => e8
+e9 => e9
+ea => ea
+eb => eb
+ec => ec
+ed => ed
+ee => ee
+ef => ef
+f0 => f0
+f1 => f1
+f2 => f2
+f3 => f3
+f4 => f4
+f5 => f5
+f6 => f6
+f7 => f7
+f8 => f8
+f9 => f9
+fa => fa
+fb => fb
+fc => fc
+fd => fd
+fe => fe
+ff => ff
+*** Testing strlower() with basic strings ***
+string(43) "mary had a little lamb and she loved it so
+"
+
+*** Testing strtolower() with various strings ***
+-- Iteration 0 --
+string(0) ""
+
+-- Iteration 1 --
+string(6) "string"
+
+-- Iteration 2 --
+string(10) "string0234"
+
+-- Iteration 3 --
+string(20) "1.233.344string12333"
+
+-- Iteration 4 --
+string(31) "$$$$$$!!!!@@@@@@@ abcdef !!!***"
+
+-- Iteration 5 --
+string(13) "abcd%0abcdabcd"
+
+-- Iteration 6 --
+string(1) "1"
+
+-- Iteration 7 --
+string(0) ""
+
+-- Iteration 8 --
+string(20) "aaaaaaaaaaaaaaaaaaaa"
+
+-- Iteration 9 --
+string(20) "zzzzzzzzzzzzzzzzzzzz"
+
+-- Iteration 10 --
+string(20) "@@@@@@@@@@@@@@@@@@@@"
+
+-- Iteration 11 --
+string(20) "[[[[[[[[[[[[[[[[[[[["
+
+-- Iteration 12 --
+string(62) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz"
+
+*** Testing strtolower() with two different case strings ***
+strings are same, with Case Insensitive
+*** Done ***
diff --git a/tests/std/strings/strtoupper1.phpt b/tests/std/strings/strtoupper1.phpt
new file mode 100644
index 00000000..220906a5
--- /dev/null
+++ b/tests/std/strings/strtoupper1.phpt
@@ -0,0 +1,372 @@
+--TEST--
+Test strtoupper() function
+--FILE--
+<?php
+echo "*** Testing strtoupper() with 256 chars ***\n";
+for ($i=0; $i<=255; $i++){
+  $char = chr($i);
+  print(bin2hex($char))." => ".(bin2hex(strtoupper("$char")))."\n";
+}
+
+echo "\n*** Testing strtoupper() with basic strings ***\n";
+$str = "Mary Had A liTTle LAmb and ShE loveD IT So\n";
+var_dump(strtoupper($str));
+
+echo "\n*** Testing strtoupper() with various strings ***";
+/* strings to pass strtoupper() */
+$strings = array (
+  "",
+  "string",
+  "stRINg0234",
+  "1.233.344StrinG12333",
+  "$$$$$$!!!!@@@@@@@ ABCDEF !!!***",
+  "ABCD\0abcdABCD",
+  TRUE,
+  FALSE,
+  /* Check for off-by-one errors in the SSE implementation */
+  "aaaaaaaaaaaaaaaaaaaa",
+  "zzzzzzzzzzzzzzzzzzzz",
+  "````````````````````",
+  "{{{{{{{{{{{{{{{{{{{{",
+  /* And the AVX2 implementation also */
+  "{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{",
+  "abcdefghijklmnopqrstuvwxyz01234",
+  "abcdefghijklmnopqrstuvwxyz012345",
+  "abcdefghijklmnopqrstuvwxyz0123456",
+  "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+);
+
+$count = 0;
+/* loop through to check possible variations */
+foreach ($strings as $string) {
+  echo "\n-- Iteration $count --\n";
+  var_dump( strtoupper($string) );
+  $count++;
+}
+
+echo "\n*** Testing strtoupper() with two different case strings ***\n";
+if (strtoupper("HeLLo woRLd") === strtoupper("hEllo WORLD"))
+  echo "strings are same, with Case Insensitive\n";
+else
+  echo "strings are not same\n";
+
+echo "*** Done ***";
+?>
+--EXPECTF--
+*** Testing strtoupper() with 256 chars ***
+00 => 00
+01 => 01
+02 => 02
+03 => 03
+04 => 04
+05 => 05
+06 => 06
+07 => 07
+08 => 08
+09 => 09
+0a => 0a
+0b => 0b
+0c => 0c
+0d => 0d
+0e => 0e
+0f => 0f
+10 => 10
+11 => 11
+12 => 12
+13 => 13
+14 => 14
+15 => 15
+16 => 16
+17 => 17
+18 => 18
+19 => 19
+1a => 1a
+1b => 1b
+1c => 1c
+1d => 1d
+1e => 1e
+1f => 1f
+20 => 20
+21 => 21
+22 => 22
+23 => 23
+24 => 24
+25 => 25
+26 => 26
+27 => 27
+28 => 28
+29 => 29
+2a => 2a
+2b => 2b
+2c => 2c
+2d => 2d
+2e => 2e
+2f => 2f
+30 => 30
+31 => 31
+32 => 32
+33 => 33
+34 => 34
+35 => 35
+36 => 36
+37 => 37
+38 => 38
+39 => 39
+3a => 3a
+3b => 3b
+3c => 3c
+3d => 3d
+3e => 3e
+3f => 3f
+40 => 40
+41 => 41
+42 => 42
+43 => 43
+44 => 44
+45 => 45
+46 => 46
+47 => 47
+48 => 48
+49 => 49
+4a => 4a
+4b => 4b
+4c => 4c
+4d => 4d
+4e => 4e
+4f => 4f
+50 => 50
+51 => 51
+52 => 52
+53 => 53
+54 => 54
+55 => 55
+56 => 56
+57 => 57
+58 => 58
+59 => 59
+5a => 5a
+5b => 5b
+5c => 5c
+5d => 5d
+5e => 5e
+5f => 5f
+60 => 60
+61 => 41
+62 => 42
+63 => 43
+64 => 44
+65 => 45
+66 => 46
+67 => 47
+68 => 48
+69 => 49
+6a => 4a
+6b => 4b
+6c => 4c
+6d => 4d
+6e => 4e
+6f => 4f
+70 => 50
+71 => 51
+72 => 52
+73 => 53
+74 => 54
+75 => 55
+76 => 56
+77 => 57
+78 => 58
+79 => 59
+7a => 5a
+7b => 7b
+7c => 7c
+7d => 7d
+7e => 7e
+7f => 7f
+80 => 80
+81 => 81
+82 => 82
+83 => 83
+84 => 84
+85 => 85
+86 => 86
+87 => 87
+88 => 88
+89 => 89
+8a => 8a
+8b => 8b
+8c => 8c
+8d => 8d
+8e => 8e
+8f => 8f
+90 => 90
+91 => 91
+92 => 92
+93 => 93
+94 => 94
+95 => 95
+96 => 96
+97 => 97
+98 => 98
+99 => 99
+9a => 9a
+9b => 9b
+9c => 9c
+9d => 9d
+9e => 9e
+9f => 9f
+a0 => a0
+a1 => a1
+a2 => a2
+a3 => a3
+a4 => a4
+a5 => a5
+a6 => a6
+a7 => a7
+a8 => a8
+a9 => a9
+aa => aa
+ab => ab
+ac => ac
+ad => ad
+ae => ae
+af => af
+b0 => b0
+b1 => b1
+b2 => b2
+b3 => b3
+b4 => b4
+b5 => b5
+b6 => b6
+b7 => b7
+b8 => b8
+b9 => b9
+ba => ba
+bb => bb
+bc => bc
+bd => bd
+be => be
+bf => bf
+c0 => c0
+c1 => c1
+c2 => c2
+c3 => c3
+c4 => c4
+c5 => c5
+c6 => c6
+c7 => c7
+c8 => c8
+c9 => c9
+ca => ca
+cb => cb
+cc => cc
+cd => cd
+ce => ce
+cf => cf
+d0 => d0
+d1 => d1
+d2 => d2
+d3 => d3
+d4 => d4
+d5 => d5
+d6 => d6
+d7 => d7
+d8 => d8
+d9 => d9
+da => da
+db => db
+dc => dc
+dd => dd
+de => de
+df => df
+e0 => e0
+e1 => e1
+e2 => e2
+e3 => e3
+e4 => e4
+e5 => e5
+e6 => e6
+e7 => e7
+e8 => e8
+e9 => e9
+ea => ea
+eb => eb
+ec => ec
+ed => ed
+ee => ee
+ef => ef
+f0 => f0
+f1 => f1
+f2 => f2
+f3 => f3
+f4 => f4
+f5 => f5
+f6 => f6
+f7 => f7
+f8 => f8
+f9 => f9
+fa => fa
+fb => fb
+fc => fc
+fd => fd
+fe => fe
+ff => ff
+
+*** Testing strtoupper() with basic strings ***
+string(43) "MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
+"
+
+*** Testing strtoupper() with various strings ***
+-- Iteration 0 --
+string(0) ""
+
+-- Iteration 1 --
+string(6) "STRING"
+
+-- Iteration 2 --
+string(10) "STRING0234"
+
+-- Iteration 3 --
+string(20) "1.233.344STRING12333"
+
+-- Iteration 4 --
+string(31) "$$$$$$!!!!@@@@@@@ ABCDEF !!!***"
+
+-- Iteration 5 --
+string(13) "ABCD%0ABCDABCD"
+
+-- Iteration 6 --
+string(1) "1"
+
+-- Iteration 7 --
+string(0) ""
+
+-- Iteration 8 --
+string(20) "AAAAAAAAAAAAAAAAAAAA"
+
+-- Iteration 9 --
+string(20) "ZZZZZZZZZZZZZZZZZZZZ"
+
+-- Iteration 10 --
+string(20) "````````````````````"
+
+-- Iteration 11 --
+string(20) "{{{{{{{{{{{{{{{{{{{{"
+
+-- Iteration 12 --
+string(40) "{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{"
+
+-- Iteration 13 --
+string(31) "ABCDEFGHIJKLMNOPQRSTUVWXYZ01234"
+
+-- Iteration 14 --
+string(32) "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"
+
+-- Iteration 15 --
+string(33) "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456"
+
+-- Iteration 16 --
+string(62) "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+*** Testing strtoupper() with two different case strings ***
+strings are same, with Case Insensitive
+*** Done ***
diff --git a/tests/std/strings/strtr.phpt b/tests/std/strings/strtr.phpt
new file mode 100644
index 00000000..1dc1e9c4
--- /dev/null
+++ b/tests/std/strings/strtr.phpt
@@ -0,0 +1,9 @@
+--TEST--
+strtr() function
+--FILE--
+<?php
+$trans = array("hello"=>"hi", "hi"=>"hello", "a"=>"A", "world"=>"planet");
+var_dump(strtr("# hi all, I said hello world! #", $trans));
+?>
+--EXPECT--
+string(32) "# hello All, I sAid hi planet! #"
diff --git a/tests/std/strings/strtr_basic.phpt b/tests/std/strings/strtr_basic.phpt
new file mode 100644
index 00000000..7ec9e697
--- /dev/null
+++ b/tests/std/strings/strtr_basic.phpt
@@ -0,0 +1,49 @@
+--TEST--
+Test strtr() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strtr() : basic functionality ***\n";
+//definitions of required input variables
+$trans1_arr = array("t" => "T", "e" => "E", "st" => "ST");
+$trans2_arr = array('t' => 'T', 'e' => 'E', 'st' => 'ST');
+$heredoc_str = <<<EOD
+test strtr
+EOD;
+
+//translating single char
+var_dump( strtr("test strtr", "t", "T") );
+var_dump( strtr('test strtr', 't', 'T') );
+var_dump( strtr($heredoc_str, "t", "T") );
+
+//translating set of chars
+//$from and $to are of same length
+var_dump( strtr("test strtr", "test", "TEST") );
+var_dump( strtr('test strtr', 'test', 'TEST') );
+var_dump( strtr($heredoc_str, "test", "TEST") );
+
+//$from and $to are of different lengths, extra chars in the longer one are ignored
+var_dump( strtr("test strtr", "test", "TESTz") );
+var_dump( strtr('test strtr', 'testz', 'TEST') );
+var_dump( strtr($heredoc_str, "test", "TESTz") );
+
+//by using replace_pairs array
+var_dump( strtr("test strtr", $trans1_arr) );
+var_dump( strtr('test strtr', $trans2_arr) );
+var_dump( strtr($heredoc_str, $trans1_arr) );
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strtr() : basic functionality ***
+string(10) "TesT sTrTr"
+string(10) "TesT sTrTr"
+string(10) "TesT sTrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+string(10) "TEST STrTr"
+*** Done ***
diff --git a/tests/std/strings/strtr_empty_search_string.phpt b/tests/std/strings/strtr_empty_search_string.phpt
new file mode 100644
index 00000000..1cea4564
--- /dev/null
+++ b/tests/std/strings/strtr_empty_search_string.phpt
@@ -0,0 +1,19 @@
+--TEST--
+strtr() trying to replace an empty string
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump(strtr("foo", ["" => "bar"]));
+var_dump(strtr("foo", ["" => "bar", "x" => "y"]));
+
+?>
+--EXPECTF--
+Warning: strtr(): Ignoring replacement of empty string in %s on line %d
+string(3) "foo"
+
+Warning: strtr(): Ignoring replacement of empty string in %s on line %d
+string(3) "foo"
diff --git a/tests/std/strings/strtr_variation1.phpt b/tests/std/strings/strtr_variation1.phpt
new file mode 100644
index 00000000..f52e14b6
--- /dev/null
+++ b/tests/std/strings/strtr_variation1.phpt
@@ -0,0 +1,80 @@
+--TEST--
+Test strtr() function : usage variations - regular & numeric strings for 'str' argument
+--FILE--
+<?php
+/* Testing strtr() function by passing the
+ *   combination of numeric & regular strings for 'str' argument and
+ *   corresponding translation pair of chars for 'from', 'to' & 'replace_pairs' arguments
+*/
+
+echo "*** Testing strtr() : numeric & regular double quoted strings ***\n";
+/* definitions of required input variables */
+$count = 1;
+$heredoc_str = <<<EOD
+123
+abc
+1a2b3c
+EOD;
+//array of string inputs for $str
+$str_arr = array(
+  //double quoted strings
+  "123",
+  "abc",
+  "1a2b3c",
+
+  //single quoted strings
+  '123',
+  'abc',
+  '1a2b3c',
+
+  //heredoc string
+  $heredoc_str
+);
+$from = "123abc";
+$to = "abc123";
+$replace_pairs = array("1" => "a", "a" => 1, "2b3c" => "b2c3", "b2c3" => "3c2b");
+
+/* loop through to test strtr() with each element of $str_arr */
+for($index = 0; $index < count($str_arr); $index++) {
+  echo "-- Iteration $count --\n";
+
+  $str = $str_arr[$index];  //getting the $str_arr element in $str variable
+
+  //strtr() call in three args syntax form
+  var_dump( strtr($str, $from, $to) );
+
+  //strtr() call in two args syntax form
+  var_dump( strtr($str, $replace_pairs) );
+
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strtr() : numeric & regular double quoted strings ***
+-- Iteration 1 --
+string(3) "abc"
+string(3) "a23"
+-- Iteration 2 --
+string(3) "123"
+string(3) "1bc"
+-- Iteration 3 --
+string(6) "a1b2c3"
+string(6) "a1b2c3"
+-- Iteration 4 --
+string(3) "abc"
+string(3) "a23"
+-- Iteration 5 --
+string(3) "123"
+string(3) "1bc"
+-- Iteration 6 --
+string(6) "a1b2c3"
+string(6) "a1b2c3"
+-- Iteration 7 --
+string(14) "abc
+123
+a1b2c3"
+string(14) "a23
+1bc
+a1b2c3"
+*** Done ***
diff --git a/tests/std/strings/strtr_variation2.phpt b/tests/std/strings/strtr_variation2.phpt
new file mode 100644
index 00000000..35cbc1f0
--- /dev/null
+++ b/tests/std/strings/strtr_variation2.phpt
@@ -0,0 +1,84 @@
+--TEST--
+Test strtr() function : usage variations - string containing special chars for 'str' argument
+--FILE--
+<?php
+/* Testing strtr() function by passing the
+ *   string containing various special characters for 'str' argument and
+ *   corresponding translation pair of chars for 'from', 'to' & 'replace_pairs' arguments
+*/
+
+echo "*** Testing strtr() : string containing special chars for 'str' arg ***\n";
+
+/* definitions of required input variables */
+$count = 1;
+
+$heredoc_str = <<<EOD
+%
+#$*&
+text & @()
+EOD;
+
+//array of string inputs for $str
+$str_arr = array(
+  //double quoted strings
+  "%",
+  "#$*",
+  "text & @()",
+
+  //single quoted strings
+  '%',
+  '#$*',
+  'text & @()',
+
+  //heredoc string
+  $heredoc_str
+);
+
+$from = "%#$*&@()";
+$to = "specials";
+$replace_pairs = array("$" => "%", "%" => "$", "#*&@()" => "()@&*#");
+
+/* loop through to test strtr() with each element of $str_arr */
+for($index = 0; $index < count($str_arr); $index++) {
+  echo "-- Iteration $count --\n";
+
+  $str = $str_arr[$index];  //getting the array element in 'str' variable
+
+  //strtr() call in three args syntax form
+  var_dump( strtr($str, $from, $to) );
+
+  //strtr() call in two args syntax form
+  var_dump( strtr($str, $replace_pairs) );
+
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strtr() : string containing special chars for 'str' arg ***
+-- Iteration 1 --
+string(1) "s"
+string(1) "$"
+-- Iteration 2 --
+string(3) "pec"
+string(3) "#%*"
+-- Iteration 3 --
+string(10) "text i als"
+string(10) "text & @()"
+-- Iteration 4 --
+string(1) "s"
+string(1) "$"
+-- Iteration 5 --
+string(3) "pec"
+string(3) "#%*"
+-- Iteration 6 --
+string(10) "text i als"
+string(10) "text & @()"
+-- Iteration 7 --
+string(17) "s
+peci
+text i als"
+string(17) "$
+#%*&
+text & @()"
+*** Done ***
diff --git a/tests/std/strings/strtr_variation3.phpt b/tests/std/strings/strtr_variation3.phpt
new file mode 100644
index 00000000..012baf9a
--- /dev/null
+++ b/tests/std/strings/strtr_variation3.phpt
@@ -0,0 +1,97 @@
+--TEST--
+Test strtr() function : usage variations - string containing escape sequences for 'str' argument
+--FILE--
+<?php
+/* Testing strtr() function by passing the
+ *   string containing various escape sequences for 'str' argument and
+ *   corresponding translation pair of chars for 'from', 'to' & 'replace_pairs' arguments
+*/
+
+echo "*** Testing strtr() : string containing escape sequences for 'str' arg ***\n";
+/* definitions of required input variables */
+$count = 1;
+
+$heredoc_str = <<<EOD
+\tes\t\\stt\r
+\\test\\\strtr
+\ntest\r\nstrtr
+\$variable
+\"quotes
+EOD;
+
+//array of string inputs for $str
+$str_arr = array(
+  //double quoted strings
+  "\tes\t\\stt\r",
+  "\\test\\\strtr",
+  "\ntest\r\nstrtr",
+  "\$variable",
+  "\"quotes",
+
+  //single quoted strings
+  '\tes\t\\stt\r',
+  '\\test\\\strtr',
+  '\ntest\r\nstrtr',
+  '\$variable',
+  '\"quotes',
+
+  //heredoc string
+  $heredoc_str
+);
+
+$from = "\n\r\t\\";
+$to = "TEST";
+$replace_pairs = array("\n" => "t", "\r\n" => "T", "\n\r\t\\" => "TEST");
+
+/* loop through to test strtr() with each element of $str_arr */
+for($index = 0; $index < count($str_arr); $index++) {
+  echo "-- Iteration $count --\n";
+
+  $str = $str_arr[$index];  //getting the array element in 'str' variable
+
+  //strtr() call in three args syntax form
+  var_dump( strtr($str, $from, $to) );
+
+  //strtr() call in two args syntax form
+  var_dump( strtr($str, $replace_pairs) );
+
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strtr() : string containing escape sequences for 'str' arg ***
+-- Iteration 1 --
+string(9) "SesSTsttE"
+string(9) "	es	\stt
"
+-- Iteration 2 --
+string(12) "TtestTTstrtr"
+string(12) "\test\\strtr"
+-- Iteration 3 --
+string(12) "TtestETstrtr"
+string(11) "ttestTstrtr"
+-- Iteration 4 --
+string(9) "$variable"
+string(9) "$variable"
+-- Iteration 5 --
+string(7) ""quotes"
+string(7) ""quotes"
+-- Iteration 6 --
+string(12) "TtesTtTsttTr"
+string(12) "\tes\t\stt\r"
+-- Iteration 7 --
+string(12) "TtestTTstrtr"
+string(12) "\test\\strtr"
+-- Iteration 8 --
+string(15) "TntestTrTnstrtr"
+string(15) "\ntest\r\nstrtr"
+-- Iteration 9 --
+string(10) "T$variable"
+string(10) "\$variable"
+-- Iteration 10 --
+string(8) "T"quotes"
+string(8) "\"quotes"
+-- Iteration 11 --
+string(54) "SesSTsttETTtestTTstrtrTTtestETstrtrT$variableTT"quotes"
+string(52) "	es	\sttT\test\\strtrtttestTstrtrt$variablet\"quotes"
+*** Done ***
diff --git a/tests/std/strings/strtr_variation4.phpt b/tests/std/strings/strtr_variation4.phpt
new file mode 100644
index 00000000..f89ff654
--- /dev/null
+++ b/tests/std/strings/strtr_variation4.phpt
@@ -0,0 +1,65 @@
+--TEST--
+Test strtr() function : usage variations - empty string & null for 'str' argument
+--FILE--
+<?php
+/* Testing strtr() function by passing the
+ *   empty string & null for 'str' argument and
+ *   corresponding translation pair of chars for 'from', 'to' & 'replace_pairs' arguments
+*/
+
+echo "*** Testing strtr() : empty string & null for 'str' arg ***\n";
+/* definitions of required input variables */
+$count = 1;
+
+$heredoc_str = <<<EOD
+
+EOD;
+
+//array of string inputs for $str
+$str_arr = array(
+  "",
+  '',
+  FALSE,
+  false,
+  $heredoc_str
+);
+
+$from = "";
+$to = "TEST";
+$replace_pairs = array("" => "t", '' => "TEST");
+
+
+/* loop through to test strtr() with each element of $str_arr */
+for($index = 0; $index < count($str_arr); $index++) {
+  echo "-- Iteration $count --\n";
+
+  $str = $str_arr[$index];  //getting the array element in 'str' variable
+
+  //strtr() call in three args syntax form
+  var_dump( strtr($str, $from, $to) );
+
+  //strtr() call in two args syntax form
+  var_dump( strtr($str, $replace_pairs) );
+
+  $count++;
+}
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strtr() : empty string & null for 'str' arg ***
+-- Iteration 1 --
+string(0) ""
+string(0) ""
+-- Iteration 2 --
+string(0) ""
+string(0) ""
+-- Iteration 3 --
+string(0) ""
+string(0) ""
+-- Iteration 4 --
+string(0) ""
+string(0) ""
+-- Iteration 5 --
+string(0) ""
+string(0) ""
+*** Done ***
diff --git a/tests/std/strings/strtr_variation6.phpt b/tests/std/strings/strtr_variation6.phpt
new file mode 100644
index 00000000..65c59d75
--- /dev/null
+++ b/tests/std/strings/strtr_variation6.phpt
@@ -0,0 +1,120 @@
+--TEST--
+Test strtr() function : usage variations - unexpected inputs for 'from' argument
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/* Test strtr() function: with unexpected inputs for 'from'
+ *  and expected type for 'str' & 'to' arguments
+*/
+
+echo "*** Testing strtr() function: with unexpected inputs for 'from' ***\n";
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  }
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+//defining 'str' argument
+$str = "012atm";
+
+// array of values for 'from'
+$from_arr =  array (
+
+          // integer values
+/*1*/	  0,
+          1,
+          -2,
+
+          // float values
+/*4*/	  10.5,
+          -20.5,
+          10.1234567e10,
+
+          // array values
+/*7*/	  array(),
+          array(0),
+          array(1, 2),
+
+          // boolean values
+/*10*/	  true,
+          false,
+          TRUE,
+          FALSE,
+
+          // null values
+/*14*/	  NULL,
+          null,
+
+          // objects
+/*16*/	  new sample(),
+
+          // resource
+/*17*/	  $file_handle,
+);
+
+//defining 'to' argument
+$to = "atm012";
+
+// loop through with each element of the $from array to test strtr() function
+$count = 1;
+for($index = 0; $index < count($from_arr); $index++) {
+  echo "-- Iteration $count --\n";
+  $from = $from_arr[$index];
+  try {
+    var_dump(strtr($str, $from, $to));
+  } catch (TypeError $exception) {
+    echo $exception->getMessage() . "\n";
+  }
+  $count++;
+}
+
+fclose($file_handle);  //closing the file handle
+?>
+--EXPECTF--
+*** Testing strtr() function: with unexpected inputs for 'from' ***
+-- Iteration 1 --
+string(6) "a12atm"
+-- Iteration 2 --
+string(6) "0a2atm"
+-- Iteration 3 --
+string(6) "01tatm"
+-- Iteration 4 --
+string(6) "ta2atm"
+-- Iteration 5 --
+string(6) "m1tatm"
+-- Iteration 6 --
+string(6) "tm0atm"
+-- Iteration 7 --
+strtr(): Argument #2 ($from) must be of type string, array given
+-- Iteration 8 --
+strtr(): Argument #2 ($from) must be of type string, array given
+-- Iteration 9 --
+strtr(): Argument #2 ($from) must be of type string, array given
+-- Iteration 10 --
+string(6) "0a2atm"
+-- Iteration 11 --
+string(6) "012atm"
+-- Iteration 12 --
+string(6) "0a2atm"
+-- Iteration 13 --
+string(6) "012atm"
+-- Iteration 14 --
+
+Deprecated: strtr(): Passing null to parameter #2 ($from) of type array|string is deprecated in %s on line %d
+string(6) "012atm"
+-- Iteration 15 --
+
+Deprecated: strtr(): Passing null to parameter #2 ($from) of type array|string is deprecated in %s on line %d
+string(6) "012atm"
+-- Iteration 16 --
+string(6) "012ttm"
+-- Iteration 17 --
+strtr(): Argument #2 ($from) must be of type string, resource given
diff --git a/tests/std/strings/strtr_variation8.phpt b/tests/std/strings/strtr_variation8.phpt
new file mode 100644
index 00000000..9bf99bd8
--- /dev/null
+++ b/tests/std/strings/strtr_variation8.phpt
@@ -0,0 +1,134 @@
+--TEST--
+Test strtr() function : usage variations - unexpected inputs for 'replace_pairs' argument
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/* Test strtr() function: with unexpected inputs for 'replace_pairs'
+ *  and expected type for 'str' arguments
+*/
+
+echo "*** Testing strtr() function: with unexpected inputs for 'replace_pairs' ***\n";
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  }
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+//defining 'str' argument
+$str = "012atm";
+
+// array of inputs for 'replace_pairs' argument
+$replace_pairs_arr =  array (
+
+  // integer values
+  0,
+  1,
+  -2,
+
+  // float values
+  10.5,
+  -20.5,
+  10.5e10,
+
+  // array values
+  array(),
+  array(0),
+  array(1, 2),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // null values
+  NULL,
+  null,
+
+  // objects
+  new sample(),
+
+  // resource
+  $file_handle,
+);
+
+// loop through with each element of the $replace_pairs array to test strtr() function
+$count = 1;
+for($index = 0; $index < count($replace_pairs_arr); $index++) {
+    echo "\n-- Iteration $count --\n";
+    $replace_pairs = $replace_pairs_arr[$index];
+    try {
+        var_dump(strtr($str, $replace_pairs));
+    } catch (TypeError $e) {
+        echo $e->getMessage() . "\n";
+    }
+
+    $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+echo "*** Done ***";
+?>
+--EXPECT--
+*** Testing strtr() function: with unexpected inputs for 'replace_pairs' ***
+
+-- Iteration 1 --
+strtr(): Argument #2 ($from) must be of type array, int given
+
+-- Iteration 2 --
+strtr(): Argument #2 ($from) must be of type array, int given
+
+-- Iteration 3 --
+strtr(): Argument #2 ($from) must be of type array, int given
+
+-- Iteration 4 --
+strtr(): Argument #2 ($from) must be of type array, float given
+
+-- Iteration 5 --
+strtr(): Argument #2 ($from) must be of type array, float given
+
+-- Iteration 6 --
+strtr(): Argument #2 ($from) must be of type array, float given
+
+-- Iteration 7 --
+string(6) "012atm"
+
+-- Iteration 8 --
+string(6) "012atm"
+
+-- Iteration 9 --
+string(6) "122atm"
+
+-- Iteration 10 --
+strtr(): Argument #2 ($from) must be of type array, true given
+
+-- Iteration 11 --
+strtr(): Argument #2 ($from) must be of type array, false given
+
+-- Iteration 12 --
+strtr(): Argument #2 ($from) must be of type array, true given
+
+-- Iteration 13 --
+strtr(): Argument #2 ($from) must be of type array, false given
+
+-- Iteration 14 --
+strtr(): Argument #2 ($from) must be of type array, null given
+
+-- Iteration 15 --
+strtr(): Argument #2 ($from) must be of type array, null given
+
+-- Iteration 16 --
+strtr(): Argument #2 ($from) must be of type array, sample given
+
+-- Iteration 17 --
+strtr(): Argument #2 ($from) must be of type array, resource given
+*** Done ***
diff --git a/tests/std/strings/strtr_with_reference.phpt b/tests/std/strings/strtr_with_reference.phpt
new file mode 100644
index 00000000..21cdc203
--- /dev/null
+++ b/tests/std/strings/strtr_with_reference.phpt
@@ -0,0 +1,12 @@
+--TEST--
+strtr() with references
+--FILE--
+<?php
+
+$foo = 'foo';
+$arr = ['bar' => &$foo];
+var_dump(strtr('foobar', $arr));
+
+?>
+--EXPECT--
+string(6) "foofoo"
diff --git a/tests/std/strings/strval.phpt b/tests/std/strings/strval.phpt
new file mode 100644
index 00000000..4d896ba1
--- /dev/null
+++ b/tests/std/strings/strval.phpt
@@ -0,0 +1,30 @@
+--TEST--
+strval() function
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+$foo = 'bar';
+var_dump(strval($foo));
+define('FOO', 'BAR');
+var_dump(strval(FOO));
+var_dump(strval('foobar'));
+var_dump(strval(1));
+var_dump(strval(1.1));
+var_dump(strval(true));
+var_dump(strval(false));
+var_dump(strval(array('foo')));
+?>
+--EXPECTF--
+string(3) "bar"
+string(3) "BAR"
+string(6) "foobar"
+string(1) "1"
+string(3) "1.1"
+string(1) "1"
+string(0) ""
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
diff --git a/tests/std/strings/strval_basic.phpt b/tests/std/strings/strval_basic.phpt
new file mode 100644
index 00000000..71131c26
--- /dev/null
+++ b/tests/std/strings/strval_basic.phpt
@@ -0,0 +1,70 @@
+--TEST--
+Test strval() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing strval() : basic variations ***\n";
+
+error_reporting(E_ALL ^ E_NOTICE);
+
+$simple_heredoc =<<<EOT
+Simple HEREDOC string
+EOT;
+
+
+//array of values to iterate over
+$values = array(
+            // Simple strings
+/*1*/		"Hello World",
+            'Hello World',
+
+            // String with control chars
+/*3*/		"String\nwith\ncontrol\ncharacters\r\n",
+
+            // String with quotes
+/*4*/		"String with \"quotes\"",
+
+            //Numeric String
+/*5*/		"123456",
+
+            // Hexadecimal string
+/*6*/		"0xABC",
+
+            //Heredoc String
+/*7*/		$simple_heredoc
+);
+
+// loop through each element of the array for strval
+$iterator = 1;
+foreach($values as $value) {
+      echo "\n-- Iteration $iterator --\n";
+      var_dump( strval($value) );
+      $iterator++;
+};
+?>
+--EXPECT--
+*** Testing strval() : basic variations ***
+
+-- Iteration 1 --
+string(11) "Hello World"
+
+-- Iteration 2 --
+string(11) "Hello World"
+
+-- Iteration 3 --
+string(32) "String
+with
+control
+characters
+"
+
+-- Iteration 4 --
+string(20) "String with "quotes""
+
+-- Iteration 5 --
+string(6) "123456"
+
+-- Iteration 6 --
+string(5) "0xABC"
+
+-- Iteration 7 --
+string(21) "Simple HEREDOC string"
diff --git a/tests/std/strings/strval_error.phpt b/tests/std/strings/strval_error.phpt
new file mode 100644
index 00000000..a71e54aa
--- /dev/null
+++ b/tests/std/strings/strval_error.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test strval() function : usage variations  - error conditions
+--SKIPIF--
+<?php
+echo 'skip AOT requires all executable code be in functions';
+?>
+--FILE--
+<?php
+echo "*** Testing strval() : error conditions ***\n";
+
+error_reporting(E_ALL ^ E_NOTICE);
+
+class MyClass
+{
+    // no toString() method defined
+}
+
+// Testing strval with a object which has no toString() method
+echo "\n-- Testing strval() function with object which has not toString() method  --\n";
+try {
+    var_dump( strval(new MyClass()) );
+} catch (Error $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+*** Testing strval() : error conditions ***
+
+-- Testing strval() function with object which has not toString() method  --
+Object of class MyClass could not be converted to string
diff --git a/tests/std/strings/strval_variation1.phpt b/tests/std/strings/strval_variation1.phpt
new file mode 100644
index 00000000..4635b2e7
--- /dev/null
+++ b/tests/std/strings/strval_variation1.phpt
@@ -0,0 +1,189 @@
+--TEST--
+Test strval() function : usage variations  - Pass different data types as strval
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+echo "*** Testing strval() : usage variations ***\n";
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+class MyClass
+{
+  function __toString() {
+    return "MyClass";
+  }
+}
+
+//array of values to iterate over
+$values = array(
+          //Decimal values
+/*1*/	  0,
+          1,
+          12345,
+          -12345,
+
+          //Octal values
+/*5*/	  02,
+          010,
+          030071,
+          -030071,
+
+          //Hexadecimal values
+/*9*/	  0x0,
+          0x1,
+          0xABCD,
+          -0xABCD,
+
+          // float data
+/*13*/    100.5,
+          -100.5,
+          100.1234567e10,
+          100.7654321E-10,
+          .5,
+
+          // array data
+/*18*/    array(),
+          array('color' => 'red', 'item' => 'pen'),
+
+          // null data
+/*20*/    NULL,
+          null,
+
+          // boolean data
+/*22*/    true,
+          false,
+          TRUE,
+          FALSE,
+
+          // empty data
+/*26*/    "",
+          '',
+
+          // object data
+/*28*/    new MyClass(),
+
+          // resource
+/*29*/    $file_handle,
+
+          // undefined data
+/*30*/    @$undefined_var,
+
+          // unset data
+/*31*/    @$unset_var,
+);
+
+// loop through each element of the array for strval
+$iterator = 1;
+foreach($values as $value) {
+      echo "\n-- Iteration $iterator --\n";
+      var_dump( strval($value) );
+      $iterator++;
+};
+?>
+--EXPECTF--
+*** Testing strval() : usage variations ***
+
+-- Iteration 1 --
+string(1) "0"
+
+-- Iteration 2 --
+string(1) "1"
+
+-- Iteration 3 --
+string(5) "12345"
+
+-- Iteration 4 --
+string(6) "-12345"
+
+-- Iteration 5 --
+string(1) "2"
+
+-- Iteration 6 --
+string(1) "8"
+
+-- Iteration 7 --
+string(5) "12345"
+
+-- Iteration 8 --
+string(6) "-12345"
+
+-- Iteration 9 --
+string(1) "0"
+
+-- Iteration 10 --
+string(1) "1"
+
+-- Iteration 11 --
+string(5) "43981"
+
+-- Iteration 12 --
+string(6) "-43981"
+
+-- Iteration 13 --
+string(5) "100.5"
+
+-- Iteration 14 --
+string(6) "-100.5"
+
+-- Iteration 15 --
+string(13) "1001234567000"
+
+-- Iteration 16 --
+string(14) "1.007654321E-8"
+
+-- Iteration 17 --
+string(3) "0.5"
+
+-- Iteration 18 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 19 --
+
+Warning: Array to string conversion in %s on line %d
+string(5) "Array"
+
+-- Iteration 20 --
+string(0) ""
+
+-- Iteration 21 --
+string(0) ""
+
+-- Iteration 22 --
+string(1) "1"
+
+-- Iteration 23 --
+string(0) ""
+
+-- Iteration 24 --
+string(1) "1"
+
+-- Iteration 25 --
+string(0) ""
+
+-- Iteration 26 --
+string(0) ""
+
+-- Iteration 27 --
+string(0) ""
+
+-- Iteration 28 --
+string(7) "MyClass"
+
+-- Iteration 29 --
+string(%d) "Resource id #%d"
+
+-- Iteration 30 --
+string(0) ""
+
+-- Iteration 31 --
+string(0) ""
diff --git a/tests/std/strings/strval_variation2.phpt b/tests/std/strings/strval_variation2.phpt
new file mode 100644
index 00000000..46bf9dc3
--- /dev/null
+++ b/tests/std/strings/strval_variation2.phpt
@@ -0,0 +1,75 @@
+--TEST--
+Test strval() function : usage variations  - Pass all valid char codes
+--FILE--
+<?php
+echo "*** Testing strval() : usage variations  - Pass all valid char codes ***\n";
+
+$s0 = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f";
+$s1 = "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f";
+$s2 = "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f";
+$s3 = "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f";
+$s4 = "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f";
+$s5 = "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f";
+$s6 = "\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f";
+$s7 = "\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f";
+$s8 = "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f";
+$s9 = "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f";
+$sa = "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf";
+$sb = "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf";
+$sc = "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf";
+$sd = "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf";
+$se = "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef";
+$sf = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff";
+
+echo bin2hex(strval($s0));
+echo "\n";
+echo bin2hex(strval($s1));
+echo "\n";
+echo bin2hex(strval($s2));
+echo "\n";
+echo bin2hex(strval($s3));
+echo "\n";
+echo bin2hex(strval($s4));
+echo "\n";
+echo bin2hex(strval($s5));
+echo "\n";
+echo bin2hex(strval($s6));
+echo "\n";
+echo bin2hex(strval($s7));
+echo "\n";
+echo bin2hex(strval($s8));
+echo "\n";
+echo bin2hex(strval($s9));
+echo "\n";
+echo bin2hex(strval($sa));
+echo "\n";
+echo bin2hex(strval($sb));
+echo "\n";
+echo bin2hex(strval($sc));
+echo "\n";
+echo bin2hex(strval($sd));
+echo "\n";
+echo bin2hex(strval($se));
+echo "\n";
+echo bin2hex(strval($sf));
+echo "\n";
+
+?>
+--EXPECT--
+*** Testing strval() : usage variations  - Pass all valid char codes ***
+000102030405060708090a0b0c0d0e0f
+101112131415161718191a1b1c1d1e1f
+202122232425262728292a2b2c2d2e2f
+303132333435363738393a3b3c3d3e3f
+404142434445464748494a4b4c4d4e4f
+505152535455565758595a5b5c5d5e5f
+606162636465666768696a6b6c6d6e6f
+707172737475767778797a7b7c7d7e7f
+808182838485868788898a8b8c8d8e8f
+909192939495969798999a9b9c9d9e9f
+a0a1a2a3a4a5a6a7a8a9aaabacadaeaf
+b0b1b2b3b4b5b6b7b8b9babbbcbdbebf
+c0c1c2c3c4c5c6c7c8c9cacbcccdcecf
+d0d1d2d3d4d5d6d7d8d9dadbdcdddedf
+e0e1e2e3e4e5e6e7e8e9eaebecedeeef
+f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
diff --git a/tests/std/strings/substr.phpt b/tests/std/strings/substr.phpt
new file mode 100644
index 00000000..4e5c70ea
--- /dev/null
+++ b/tests/std/strings/substr.phpt
@@ -0,0 +1,180 @@
+--TEST--
+Testing substr() function
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+$strings_array = array( "", 12345, "abcdef", "123abc", "_123abc");
+
+$counter = 1;
+foreach ($strings_array as $str) {
+  /* variations with two arguments */
+  /* start values >, < and = 0    */
+
+  echo ("\n--- Iteration ".$counter." ---\n");
+  echo ("\n-- Variations for two arguments --\n");
+  var_dump ( substr($str, 1) );
+  var_dump ( substr($str, 0) );
+  var_dump ( substr($str, -2) );
+
+  /* variations with three arguments */
+  /* start value variations with length values  */
+
+  echo ("\n-- Variations for three arguments --\n");
+  var_dump ( substr($str, 1, 3) );
+  var_dump ( substr($str, 1, 0) );
+  var_dump ( substr($str, 1, -3) );
+  var_dump ( substr($str, 0, 3) );
+  var_dump ( substr($str, 0, 0) );
+  var_dump ( substr($str, 0, -3) );
+  var_dump ( substr($str, -2, 3) );
+  var_dump ( substr($str, -2, 0 ) );
+  var_dump ( substr($str, -2, -3) );
+
+  $counter++;
+}
+
+/* variation of start and length to point to same element */
+echo ("\n*** Testing for variations of start and length to point to same element ***\n");
+var_dump (substr("abcde" , 2, -2) );
+var_dump (substr("abcde" , -3, -2) );
+
+/* Testing to return empty string when start denotes the position beyond the truncation (set by negative length) */
+echo ("\n*** Testing for start > truncation  ***\n");
+var_dump (substr("abcdef" , 4, -4) );
+
+/* String with null character */
+echo ("\n*** Testing for string with null characters ***\n");
+var_dump (substr("abc\x0xy\x0z" ,2) );
+
+/* String with international characters */
+echo ("\n*** Testing for string with international characters ***\n");
+var_dump (substr('\xIñtërnâtiônàlizætiøn',3) );
+
+/* start <0 && -start > length */
+echo "\n*** Start before the first char ***\n";
+var_dump (substr("abcd" , -8) );
+
+/* Omitting length and passing a NULL length */
+echo "\n*** Omitting length or using NULL length ***\n";
+var_dump (substr("abcdef" , 2) );
+var_dump (substr("abcdef" , 2, NULL) );
+
+echo"\nDone";
+
+?>
+--EXPECTF--
+--- Iteration 1 ---
+
+-- Variations for two arguments --
+string(0) ""
+string(0) ""
+string(0) ""
+
+-- Variations for three arguments --
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+
+--- Iteration 2 ---
+
+-- Variations for two arguments --
+string(4) "2345"
+string(5) "12345"
+string(2) "45"
+
+-- Variations for three arguments --
+string(3) "234"
+string(0) ""
+string(1) "2"
+string(3) "123"
+string(0) ""
+string(2) "12"
+string(2) "45"
+string(0) ""
+string(0) ""
+
+--- Iteration 3 ---
+
+-- Variations for two arguments --
+string(5) "bcdef"
+string(6) "abcdef"
+string(2) "ef"
+
+-- Variations for three arguments --
+string(3) "bcd"
+string(0) ""
+string(2) "bc"
+string(3) "abc"
+string(0) ""
+string(3) "abc"
+string(2) "ef"
+string(0) ""
+string(0) ""
+
+--- Iteration 4 ---
+
+-- Variations for two arguments --
+string(5) "23abc"
+string(6) "123abc"
+string(2) "bc"
+
+-- Variations for three arguments --
+string(3) "23a"
+string(0) ""
+string(2) "23"
+string(3) "123"
+string(0) ""
+string(3) "123"
+string(2) "bc"
+string(0) ""
+string(0) ""
+
+--- Iteration 5 ---
+
+-- Variations for two arguments --
+string(6) "123abc"
+string(7) "_123abc"
+string(2) "bc"
+
+-- Variations for three arguments --
+string(3) "123"
+string(0) ""
+string(3) "123"
+string(3) "_12"
+string(0) ""
+string(4) "_123"
+string(2) "bc"
+string(0) ""
+string(0) ""
+
+*** Testing for variations of start and length to point to same element ***
+string(1) "c"
+string(1) "c"
+
+*** Testing for start > truncation  ***
+string(0) ""
+
+*** Testing for string with null characters ***
+string(6) "c%0xy%0z"
+
+*** Testing for string with international characters ***
+string(26) "ñtërnâtiônàlizætiøn"
+
+*** Start before the first char ***
+string(4) "abcd"
+
+*** Omitting length or using NULL length ***
+string(4) "cdef"
+string(4) "cdef"
+
+Done
diff --git a/tests/std/strings/substr_compare.phpt b/tests/std/strings/substr_compare.phpt
new file mode 100644
index 00000000..51d093a6
--- /dev/null
+++ b/tests/std/strings/substr_compare.phpt
@@ -0,0 +1,38 @@
+--TEST--
+substr_compare()
+--FILE--
+<?php
+
+var_dump(substr_compare("abcde", "df", -2) < 0);
+var_dump(substr_compare("abcde", "df", -2, null) < 0);
+var_dump(substr_compare("abcde", "bc", 1, 2));
+var_dump(substr_compare("abcde", "bcg", 1, 2));
+var_dump(substr_compare("abcde", "BC", 1, 2, true));
+var_dump(substr_compare("abcde", "bc", 1, 3) > 0);
+var_dump(substr_compare("abcde", "cd", 1, 2) < 0);
+var_dump(substr_compare("abcde", "abc", 5, 1));
+var_dump(substr_compare("abcde", "abcdef", -10, 10) < 0);
+var_dump(substr_compare("abcde", "abc", 0, 0));
+echo "Test\n";
+
+try {
+    substr_compare("abcde", "abc", 0, -1);
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+var_dump(substr_compare("abcde", "abc", -1, NULL, -5) > 0);
+?>
+--EXPECT--
+bool(true)
+bool(true)
+int(0)
+int(0)
+int(0)
+bool(true)
+bool(true)
+int(-1)
+bool(true)
+int(0)
+Test
+substr_compare(): Argument #4 ($length) must be greater than or equal to 0
+bool(true)
diff --git a/tests/std/strings/substr_count_basic.phpt b/tests/std/strings/substr_count_basic.phpt
new file mode 100644
index 00000000..fd2e3a77
--- /dev/null
+++ b/tests/std/strings/substr_count_basic.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test substr_count() function (basic)
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+echo "***Testing basic operations ***\n";
+try {
+    substr_count("", "");
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+try {
+    substr_count("a", "");
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+var_dump(substr_count("", "a"));
+var_dump(substr_count("", "a"));
+var_dump(substr_count("", chr(0)));
+
+$a = str_repeat("abcacba", 100);
+var_dump(substr_count($a, "bca"));
+
+$a = str_repeat("abcacbabca", 100);
+var_dump(substr_count($a, "bca"));
+var_dump(substr_count($a, "bca", 200));
+var_dump(substr_count($a, "bca", 200, null));
+var_dump(substr_count($a, "bca", 200, 50));
+var_dump(substr_count($a, "bca", -200));
+var_dump(substr_count($a, "bca", -200, null));
+var_dump(substr_count($a, "bca", -200, 50));
+var_dump(substr_count($a, "bca", -200, -50));
+
+?>
+--EXPECT--
+***Testing basic operations ***
+substr_count(): Argument #2 ($needle) must not be empty
+substr_count(): Argument #2 ($needle) must not be empty
+int(0)
+int(0)
+int(0)
+int(100)
+int(200)
+int(160)
+int(160)
+int(10)
+int(40)
+int(40)
+int(10)
+int(30)
diff --git a/tests/std/strings/substr_count_error.phpt b/tests/std/strings/substr_count_error.phpt
new file mode 100644
index 00000000..dc0d3d98
--- /dev/null
+++ b/tests/std/strings/substr_count_error.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test substr_count() function (error conditions)
+--FILE--
+<?php
+
+echo "\n*** Testing error conditions ***\n";
+$str = 'abcdefghik';
+
+/* offset before start */
+try {
+    substr_count($str, "t", -20);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+/* offset > size of the string */
+try {
+    substr_count($str, "t", 25);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+/* Using offset and length to go beyond the size of the string:
+   Exception is expected, as length+offset > length of string */
+try {
+    substr_count($str, "i", 5, 7);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+/* length too small */
+try {
+    substr_count($str, "t", 2, -20);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
+echo "Done\n";
+
+?>
+--EXPECT--
+*** Testing error conditions ***
+substr_count(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+substr_count(): Argument #3 ($offset) must be contained in argument #1 ($haystack)
+substr_count(): Argument #4 ($length) must be contained in argument #1 ($haystack)
+substr_count(): Argument #4 ($length) must be contained in argument #1 ($haystack)
+Done
diff --git a/tests/std/strings/substr_count_variation_001.phpt b/tests/std/strings/substr_count_variation_001.phpt
new file mode 100644
index 00000000..d7ac3dcd
--- /dev/null
+++ b/tests/std/strings/substr_count_variation_001.phpt
@@ -0,0 +1,69 @@
+--TEST--
+Test substr_count() function (variation - 1)
+--FILE--
+<?php
+
+echo "\n*** Testing possible variations ***\n";
+echo "-- 3rd or 4th arg as string --\n";
+$str = "this is a string";
+var_dump( substr_count($str, "t", "5") );
+var_dump( substr_count($str, "t", "5", "10") );
+
+echo "\n-- overlapped substrings --\n";
+var_dump( substr_count("abcabcabcabcabc", "abca") );
+var_dump( substr_count("abcabcabcabcabc", "abca", 2) );
+
+echo "\n-- complex strings containing other than 7-bit chars --\n";
+$str = chr(128).chr(129).chr(128).chr(0).chr(255).chr(254).chr(255);
+var_dump(substr_count($str, chr(128)));
+var_dump(substr_count($str, chr(255)));
+var_dump(substr_count($str, chr(0)));
+
+echo "\n-- heredoc string --\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(substr_count($string, "abcd"));
+var_dump(substr_count($string, "1234"));
+
+echo "\n-- heredoc null string --\n";
+$str = <<<EOD
+EOD;
+var_dump(substr_count($str, "\0"));
+var_dump(substr_count($str, "\x000"));
+var_dump(substr_count($str, "0"));
+
+echo "Done\n";
+
+?>
+--EXPECT--
+*** Testing possible variations ***
+-- 3rd or 4th arg as string --
+int(1)
+int(1)
+
+-- overlapped substrings --
+int(2)
+int(2)
+
+-- complex strings containing other than 7-bit chars --
+int(2)
+int(2)
+int(1)
+
+-- heredoc string --
+int(14)
+int(16)
+
+-- heredoc null string --
+int(0)
+int(0)
+int(0)
+Done
diff --git a/tests/std/strings/substr_count_variation_002.phpt b/tests/std/strings/substr_count_variation_002.phpt
new file mode 100644
index 00000000..9bf41dab
--- /dev/null
+++ b/tests/std/strings/substr_count_variation_002.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test substr_count() function (variation - 2)
+--FILE--
+<?php
+
+echo "\n*** Testing possible variations ***\n";
+echo "\n-- complex strings containing other than 7-bit chars --\n";
+$str = chr(128).chr(129).chr(128).chr(0).chr(255).chr(254).chr(255);
+var_dump(substr_count($str, chr(128)));
+var_dump(substr_count($str, chr(255)));
+var_dump(substr_count($str, chr(0)));
+
+echo "\n-- heredoc string --\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(substr_count($string, "abcd"));
+var_dump(substr_count($string, "1234"));
+
+echo "\n-- heredoc null string --\n";
+$str = <<<EOD
+EOD;
+var_dump(substr_count($str, "\0"));
+var_dump(substr_count($str, "\x000"));
+var_dump(substr_count($str, "0"));
+
+echo "Done\n";
+
+?>
+--EXPECT--
+*** Testing possible variations ***
+
+-- complex strings containing other than 7-bit chars --
+int(2)
+int(2)
+int(1)
+
+-- heredoc string --
+int(14)
+int(16)
+
+-- heredoc null string --
+int(0)
+int(0)
+int(0)
+Done
diff --git a/tests/std/strings/substr_int_min.phpt b/tests/std/strings/substr_int_min.phpt
new file mode 100644
index 00000000..4c00577e
--- /dev/null
+++ b/tests/std/strings/substr_int_min.phpt
@@ -0,0 +1,10 @@
+--TEST--
+substr() with PHP_INT_MIN offset or length
+--FILE--
+<?php
+var_dump(substr('x', PHP_INT_MIN));
+var_dump(substr('x', 0, PHP_INT_MIN));
+?>
+--EXPECT--
+string(1) "x"
+string(0) ""
diff --git a/tests/std/strings/substr_replace.phpt b/tests/std/strings/substr_replace.phpt
new file mode 100644
index 00000000..3f9a37fe
--- /dev/null
+++ b/tests/std/strings/substr_replace.phpt
@@ -0,0 +1,813 @@
+--TEST--
+substr_replace() function
+--SKIPIF--
+<?php
+echo 'skip AOT does not support cross-type reassignment';
+?>
+--FILE--
+<?php
+$str = "try this";
+$repl = "bala ";
+$start = 2;
+echo "\n";
+
+
+echo "substr_replace('$str', '$repl', $start)\n";
+var_dump(substr_replace($str, $repl, $start));
+echo "\n";
+
+$len = 3;
+echo "substr_replace('$str', '$repl', $start, $len)\n";
+var_dump(substr_replace($str, $repl, $start, $len));
+echo "\n";
+
+$len = 0;
+echo "substr_replace('$str', '$repl', $start, $len)\n";
+var_dump(substr_replace($str, $repl, $start, $len));
+echo "\n";
+
+$len = -2;
+echo "substr_replace('$str', '$repl', $start, $len)\n";
+var_dump(substr_replace($str, $repl, $start, $len));
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = "try this";
+$repl = array("bala ");
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1)."")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1)."")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala");
+$repl = array("bala ");
+$start = array(4);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1)."")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$len = array(0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$len = array(-2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = 4;
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = 4;
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = 4;
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = 4;
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4,2);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(-2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(-2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3,2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(3,2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3,2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(0,0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(0,0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(-2,-3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(-2,-3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+
+
+?>
+--EXPECT--
+substr_replace('try this', 'bala ', 2)
+string(7) "trbala "
+
+substr_replace('try this', 'bala ', 2, 3)
+string(10) "trbala his"
+
+substr_replace('try this', 'bala ', 2, 0)
+string(13) "trbala y this"
+
+substr_replace('try this', 'bala ', 2, -2)
+string(9) "trbala is"
+
+
+
+substr_replace('try this', array (  0 => 'bala ',), 4
+string(9) "try bala "
+
+substr_replace('try this', array (  0 => 'bala ',), 4
+string(10) "try bala s"
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,)
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,), array (  0 => 3,))
+array(1) {
+  [0]=>
+  string(15) "ala bala tokala"
+}
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,), array (  0 => 0,))
+array(1) {
+  [0]=>
+  string(18) "ala bala portokala"
+}
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,), array (  0 => -2,))
+array(1) {
+  [0]=>
+  string(11) "ala bala la"
+}
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',4)
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),4, 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(5) "try s"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',4, 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(10) "try bala s"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),4, 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',4, 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "try bala this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),4, -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(6) "try is"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',4, -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(11) "try bala is"
+}
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(5) " this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(10) "bala  this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "bala try this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(2) "is"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(7) "bala is"
+}
+
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,  1 => 2,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(5) "trhis"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(10) "trbala his"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "trbala y this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(4) "tris"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(9) "trbala is"
+}
+
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,  1 => 2,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 3,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(2) "tr"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 3,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(7) "trbala "
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(2) "tr"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(7) "trbala "
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => -2,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(2) "tr"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => -2,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(7) "trbala "
+}
+
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,  1 => 2,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 3,  1 => 2,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(6) "trthis"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 3,  1 => 2,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(11) "trbala this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 0,  1 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 0,  1 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "trbala y this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => -2,  1 => -3,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(5) "trhis"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => -2,  1 => -3,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(10) "trbala his"
+}
diff --git a/tests/std/strings/substr_replace_array.phpt b/tests/std/strings/substr_replace_array.phpt
new file mode 100644
index 00000000..240e8c10
--- /dev/null
+++ b/tests/std/strings/substr_replace_array.phpt
@@ -0,0 +1,19 @@
+--TEST--
+substr_replace() function - array
+--FILE--
+<?php
+
+$arr = array('abc' => 'llsskdkk','def' => 'llsskjkkdd', 4 => 'hello', 42 => 'world');
+$newarr = substr_replace($arr, 'zzz', 0, -2);
+
+print_r($newarr);
+
+?>
+--EXPECT--
+Array
+(
+    [abc] => zzzkk
+    [def] => zzzdd
+    [4] => zzzlo
+    [42] => zzzld
+)
diff --git a/tests/std/strings/substr_replace_array_unset.phpt b/tests/std/strings/substr_replace_array_unset.phpt
new file mode 100644
index 00000000..ff253d39
--- /dev/null
+++ b/tests/std/strings/substr_replace_array_unset.phpt
@@ -0,0 +1,27 @@
+--TEST--
+substr_replace() function - array with unset
+--FILE--
+<?php
+
+$replacement = ['A', 'C', 'B'];
+unset($replacement[1]);
+$newarr = substr_replace(['1 string', '2 string'], $replacement, 0);
+print_r($newarr);
+
+$replacement = ['foo', 42 => 'bar', 'baz'];
+unset($replacement[42]);
+$newarr = substr_replace(['1 string', '2 string'], $replacement, 0);
+print_r($newarr);
+
+?>
+--EXPECT--
+Array
+(
+    [0] => A
+    [1] => B
+)
+Array
+(
+    [0] => foo
+    [1] => baz
+)
diff --git a/tests/std/strings/substr_replace_error.phpt b/tests/std/strings/substr_replace_error.phpt
new file mode 100644
index 00000000..165cc1e6
--- /dev/null
+++ b/tests/std/strings/substr_replace_error.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test substr_replace() function : error conditions
+--FILE--
+<?php
+/*
+ * Testing substr_replace() for error conditions
+*/
+
+echo "*** Testing substr_replace() : error conditions ***\n";
+
+$s1 = "Good morning";
+
+echo "\n-- Testing substr_replace() function with start and length as arrays but string not--\n";
+try {
+    var_dump(substr_replace($s1, "evening", array(5)));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump(substr_replace($s1, "evening", 5, array(1)));
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+*** Testing substr_replace() : error conditions ***
+
+-- Testing substr_replace() function with start and length as arrays but string not--
+substr_replace(): Argument #3 ($offset) cannot be an array when working on a single string
+substr_replace(): Argument #4 ($length) cannot be an array when working on a single string
diff --git a/tests/std/strings/trim.diff b/tests/std/strings/trim.diff
new file mode 100644
index 00000000..251dc8b1
--- /dev/null
+++ b/tests/std/strings/trim.diff
@@ -0,0 +1,10 @@
+--
+     bool(true)
+     bool(true)
+     bool(true)
+016- bool(true)
+017- bool(true)
+018- bool(true)
+016+ bool(false)
+017+ bool(false)
+018+ bool(false)
diff --git a/tests/std/strings/trim.exp b/tests/std/strings/trim.exp
new file mode 100644
index 00000000..71739f30
--- /dev/null
+++ b/tests/std/strings/trim.exp
@@ -0,0 +1,18 @@
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
\ No newline at end of file
diff --git a/tests/std/strings/trim.log b/tests/std/strings/trim.log
new file mode 100644
index 00000000..ab8bfd67
--- /dev/null
+++ b/tests/std/strings/trim.log
@@ -0,0 +1,40 @@
+
+---- EXPECTED OUTPUT
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+---- ACTUAL OUTPUT
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(false)
+---- FAILED
diff --git a/tests/std/strings/trim.out b/tests/std/strings/trim.out
new file mode 100644
index 00000000..0820f275
--- /dev/null
+++ b/tests/std/strings/trim.out
@@ -0,0 +1,18 @@
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(false)
\ No newline at end of file
diff --git a/tests/std/strings/trim.php b/tests/std/strings/trim.php
new file mode 100644
index 00000000..c1fea925
--- /dev/null
+++ b/tests/std/strings/trim.php
@@ -0,0 +1,25 @@
+<?php
+function main() {
+
+
+var_dump('ABC' ===  trim('ABC'));
+var_dump('ABC' === ltrim('ABC'));
+var_dump('ABC' === rtrim('ABC'));
+var_dump('ABC' ===  trim(" \0\t\nABC \0\t\n"));
+var_dump("ABC \0\t\n" === ltrim(" \0\t\nABC \0\t\n"));
+var_dump(" \0\t\nABC" === rtrim(" \0\t\nABC \0\t\n"));
+var_dump(" \0\t\nABC \0\t\n" ===  trim(" \0\t\nABC \0\t\n",''));
+var_dump(" \0\t\nABC \0\t\n" === ltrim(" \0\t\nABC \0\t\n",''));
+var_dump(" \0\t\nABC \0\t\n" === rtrim(" \0\t\nABC \0\t\n",''));
+var_dump("ABC\x50\xC1" === trim("ABC\x50\xC1\x60\x90","\x51..\xC0"));
+var_dump("ABC\x50" === trim("ABC\x50\xC1\x60\x90","\x51..\xC1"));
+var_dump("ABC" === trim("ABC\x50\xC1\x60\x90","\x50..\xC1"));
+var_dump("ABC\x50\xC1" === trim("ABC\x50\xC1\x60\x90","\x51..\xC0"));
+var_dump("ABC\x50" === trim("ABC\x50\xC1\x60\x90","\x51..\xC1"));
+var_dump("ABC" === trim("ABC\x50\xC1\x60\x90","\x50..\xC1"));
+var_dump("ABC" ===  trim("\fABC\f"));
+var_dump("ABC" === ltrim("\fABC"));
+var_dump("ABC" === rtrim("ABC\f"));
+
+
+}
diff --git a/tests/std/strings/trim.phpt b/tests/std/strings/trim.phpt
new file mode 100644
index 00000000..b9cfa1b2
--- /dev/null
+++ b/tests/std/strings/trim.phpt
@@ -0,0 +1,48 @@
+--TEST--
+trim(), rtrim() and ltrim() functions
+--SKIPIF--
+<?php
+//echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump('ABC' ===  trim('ABC'));
+var_dump('ABC' === ltrim('ABC'));
+var_dump('ABC' === rtrim('ABC'));
+var_dump('ABC' ===  trim(" \0\t\nABC \0\t\n"));
+var_dump("ABC \0\t\n" === ltrim(" \0\t\nABC \0\t\n"));
+var_dump(" \0\t\nABC" === rtrim(" \0\t\nABC \0\t\n"));
+var_dump(" \0\t\nABC \0\t\n" ===  trim(" \0\t\nABC \0\t\n",''));
+var_dump(" \0\t\nABC \0\t\n" === ltrim(" \0\t\nABC \0\t\n",''));
+var_dump(" \0\t\nABC \0\t\n" === rtrim(" \0\t\nABC \0\t\n",''));
+var_dump("ABC\x50\xC1" === trim("ABC\x50\xC1\x60\x90","\x51..\xC0"));
+var_dump("ABC\x50" === trim("ABC\x50\xC1\x60\x90","\x51..\xC1"));
+var_dump("ABC" === trim("ABC\x50\xC1\x60\x90","\x50..\xC1"));
+var_dump("ABC\x50\xC1" === trim("ABC\x50\xC1\x60\x90","\x51..\xC0"));
+var_dump("ABC\x50" === trim("ABC\x50\xC1\x60\x90","\x51..\xC1"));
+var_dump("ABC" === trim("ABC\x50\xC1\x60\x90","\x50..\xC1"));
+var_dump("ABC" ===  trim("\fABC\f"));
+var_dump("ABC" === ltrim("\fABC"));
+var_dump("ABC" === rtrim("ABC\f"));
+
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
diff --git a/tests/std/strings/trim.sh b/tests/std/strings/trim.sh
new file mode 100755
index 00000000..04e36154
--- /dev/null
+++ b/tests/std/strings/trim.sh
@@ -0,0 +1,106 @@
+#!/bin/sh
+
+unset $(env | cut -d= -f1)
+export SHELL='/bin/bash'
+export COREPACK_ENABLE_AUTO_PIN='0'
+export SESSION_MANAGER='local/swoole-26:@/tmp/.ICE-unix/3966,unix/swoole-26:/tmp/.ICE-unix/3966'
+export QT_ACCESSIBILITY='1'
+export COLORTERM='truecolor'
+export XDG_CONFIG_DIRS='/etc/xdg/xdg-ubuntu:/etc/xdg'
+export SSH_AGENT_LAUNCHER='gnome-keyring'
+export XDG_MENU_PREFIX='gnome-'
+export GNOME_DESKTOP_SESSION_ID='this-is-deprecated'
+export GTK_IM_MODULE='fcitx'
+export AI_AGENT='claude-code_2-1-143_agent'
+export LANGUAGE='zh_CN:zh:en_US:en'
+export CLAUDE_CODE_SESSION_ID='2b8f004d-cd4c-49e8-a69a-c1a760f0576b'
+export LC_ADDRESS='zh_CN.UTF-8'
+export GNOME_SHELL_SESSION_MODE='ubuntu'
+export LC_NAME='zh_CN.UTF-8'
+export SSH_AUTH_SOCK='/run/user/1000/keyring/ssh'
+export CLAUDE_EFFORT='high'
+export XMODIFIERS='@im=fcitx'
+export DESKTOP_SESSION='ubuntu'
+export LC_MONETARY='zh_CN.UTF-8'
+export GTK_MODULES='gail:atk-bridge'
+export PWD='/home/swoole/workspace/aot/compiler'
+export LOGNAME='swoole'
+export XDG_SESSION_DESKTOP='ubuntu'
+export XDG_SESSION_TYPE='x11'
+export GPG_AGENT_INFO='/run/user/1000/gnupg/S.gpg-agent:0:1'
+export SYSTEMD_EXEC_PID='8519'
+export XAUTHORITY='/run/user/1000/gdm/Xauthority'
+export PHPBREW_HOME='/home/swoole/.phpbrew'
+export NoDefaultCurrentDirectoryInExePath='1'
+export CLAUDECODE='1'
+export WINDOWPATH='2'
+export HOME='/home/swoole'
+export USERNAME='swoole'
+export IM_CONFIG_PHASE='1'
+export LANG='zh_CN.UTF-8'
+export LC_PAPER='zh_CN.UTF-8'
+export LS_COLORS='rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:'
+export XDG_CURRENT_DESKTOP='ubuntu:GNOME'
+export VTE_VERSION='6800'
+export GNOME_TERMINAL_SCREEN='/org/gnome/Terminal/screen/dcdedd7b_a193_4708_9f60_953b8ad197db'
+export ANTHROPIC_BASE_URL='https://api.deepseek.com/anthropic'
+export CLUTTER_IM_MODULE='fcitx'
+export PHPBREW_ROOT='/home/swoole/.phpbrew'
+export LESSCLOSE='/usr/bin/lesspipe %s %s'
+export XDG_SESSION_CLASS='user'
+export LC_IDENTIFICATION='zh_CN.UTF-8'
+export TERM='xterm-256color'
+export LESSOPEN='| /usr/bin/lesspipe %s'
+export USER='swoole'
+export GNOME_TERMINAL_SERVICE=':1.124'
+export DISPLAY=':1'
+export SHLVL='2'
+export GIT_EDITOR='true'
+export LC_TELEPHONE='zh_CN.UTF-8'
+export QT_IM_MODULE='fcitx'
+export LC_MEASUREMENT='zh_CN.UTF-8'
+export ANTHROPIC_MODEL='deepseek-v4-pro'
+export XDG_RUNTIME_DIR='/run/user/1000'
+export ANTHROPIC_AUTH_TOKEN='sk-2589037b3ccd47638419865c759811b5'
+export CLAUDE_CODE_ENTRYPOINT='cli'
+export LC_TIME='zh_CN.UTF-8'
+export XDG_DATA_DIRS='/usr/share/ubuntu:/usr/share/gnome:/home/swoole/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop'
+export CLAUDE_CODE_EXECPATH='/home/swoole/.local/share/claude/versions/2.1.143'
+export PATH='/home/swoole/.npm-global/bin:/home/swoole/.local/bin:/home/swoole/.cargo/bin:/home/swoole/bin:/home/swoole/.config/composer/vendor/bin:/home/swoole/soft/node-v22.19.0-linux-x64/bin:/home/swoole/.npm-global/bin:/home/swoole/.local/bin:/home/swoole/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin'
+export ANTHROPIC_SMALL_FAST_MODEL='deepseek-v4-pro'
+export GDMSESSION='ubuntu'
+export DBUS_SESSION_BUS_ADDRESS='unix:path=/run/user/1000/bus'
+export LC_NUMERIC='zh_CN.UTF-8'
+export _='/home/swoole/bin/php'
+export TEMP='/tmp'
+export SKIP_ONLINE_TESTS='1'
+export SKIP_IO_CAPTURE_TESTS='1'
+export TEST_PHP_EXECUTABLE='/opt/php-8.4/bin/php'
+export TEST_PHP_EXECUTABLE_ESCAPED=''\''/opt/php-8.4/bin/php'\'''
+export TEST_PHP_CGI_EXECUTABLE='/opt/php-8.4/bin/php-cgi'
+export TEST_PHP_CGI_EXECUTABLE_ESCAPED=''\''/opt/php-8.4/bin/php-cgi'\'''
+export TEST_PHPDBG_EXECUTABLE='/opt/php-8.4/bin/phpdbg'
+export TEST_PHPDBG_EXECUTABLE_ESCAPED=''\''/opt/php-8.4/bin/phpdbg'\'''
+export REDIRECT_STATUS='1'
+export PATH_TRANSLATED='/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php'
+export SCRIPT_FILENAME='/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php'
+export REQUEST_METHOD='GET'
+export TEST_PHP_EXTRA_ARGS='  -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "fatal_error_backtraces=Off" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=0" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "session.auto_start=0" -d "zlib.output_compression=Off"'
+
+case "$1" in
+"gdb")
+    gdb -ex 'unset environment LINES' -ex 'unset environment COLUMNS' --args '/opt/php-8.4/bin/php'    -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "fatal_error_backtraces=Off" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=0" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "session.auto_start=0" -d "zlib.output_compression=Off" -f "/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php"  2>&1
+    ;;
+"lldb")
+    lldb -- '/opt/php-8.4/bin/php'    -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "fatal_error_backtraces=Off" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=0" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "session.auto_start=0" -d "zlib.output_compression=Off" -f "/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php"  2>&1
+    ;;
+"valgrind")
+    USE_ZEND_ALLOC=0 valgrind $2 '/opt/php-8.4/bin/php'    -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "fatal_error_backtraces=Off" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=0" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "session.auto_start=0" -d "zlib.output_compression=Off" -f "/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php"  2>&1
+    ;;
+"rr")
+    rr record $2 '/opt/php-8.4/bin/php'    -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "fatal_error_backtraces=Off" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=0" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "session.auto_start=0" -d "zlib.output_compression=Off" -f "/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php"  2>&1
+    ;;
+*)
+    '/opt/php-8.4/bin/php'    -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "fatal_error_backtraces=Off" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=0" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "session.auto_start=0" -d "zlib.output_compression=Off" -f "/home/swoole/workspace/aot/compiler/tests/std/strings/trim.php"  2>&1
+    ;;
+esac
\ No newline at end of file
diff --git a/tests/std/strings/trim1.phpt b/tests/std/strings/trim1.phpt
new file mode 100644
index 00000000..75b7ea77
--- /dev/null
+++ b/tests/std/strings/trim1.phpt
@@ -0,0 +1,64 @@
+--TEST--
+Test trim() function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+/* trim with unset/null/boolean variable - returns an empty string */
+echo "\n";
+$null_var = "";
+var_dump( trim($null_var) );
+$null_var = 0;
+var_dump( trim($null_var) );
+$bool_val = true;
+var_dump( trim($null_var) );
+
+/* second argument charlist as empty - does not trim any white spaces */
+var_dump( trim("\ttesting trim", "") );
+var_dump( trim("\ttesting trim  ", true) );
+
+/* Use of class and objects */
+echo "\n*** Testing with OBJECTS ***\n";
+class string1
+{
+  public function __toString() {
+    return "Object";
+  }
+}
+$obj = new string1;
+var_dump( trim($obj, "Ot") );
+
+/* String with embedded NULL */
+echo "\n*** Testing with String with embedded NULL ***\n";
+var_dump( trim("\x0n1234\x0005678\x0000efgh\xijkl\x0n1", "\x0n1") );
+
+/* heredoc string */
+$str = <<<EOD
+us
+ing heredoc string
+EOD;
+
+echo "\n*** Testing with heredoc string ***\n";
+var_dump( trim($str, "us\ning") );
+
+echo "\nDone";
+?>
+--EXPECTF--
+string(0) ""
+string(1) "0"
+string(1) "0"
+string(13) "	testing trim"
+string(15) "	testing trim  "
+
+*** Testing with OBJECTS ***
+string(4) "bjec"
+
+*** Testing with String with embedded NULL ***
+string(22) "234%005678%000efgh\xijkl"
+
+*** Testing with heredoc string ***
+string(12) " heredoc str"
+
+Done
diff --git a/tests/std/strings/trim_basic.phpt b/tests/std/strings/trim_basic.phpt
new file mode 100644
index 00000000..db41f27c
--- /dev/null
+++ b/tests/std/strings/trim_basic.phpt
@@ -0,0 +1,38 @@
+--TEST--
+Test trim() function : basic functionality
+--FILE--
+<?php
+
+echo "*** Testing trim() : basic functionality ***\n";
+
+$text  = "  \t\r\n\0\x0B  ---These are a few words---  \t\r\n\0\x0B  ";
+$hello  = "!===Hello World===!";
+$binary = "\x0A\x0DExample string\x0A\x0D";
+
+echo "\n-- Trim string with all white space characters --\n";
+var_dump(trim($text));
+
+echo "\n-- Trim non-whitespace from a string --\n";
+var_dump(trim($hello, "=!"));
+
+echo "\n-- Trim some non-white space characters from a string --\n";
+var_dump(trim($hello, "Hdle"));
+
+echo "\n-- Trim the ASCII control characters at the beginning of a string --\n";
+var_dump(trim($binary, "\x00..\x1F"));
+
+?>
+--EXPECT--
+*** Testing trim() : basic functionality ***
+
+-- Trim string with all white space characters --
+string(27) "---These are a few words---"
+
+-- Trim non-whitespace from a string --
+string(11) "Hello World"
+
+-- Trim some non-white space characters from a string --
+string(19) "!===Hello World===!"
+
+-- Trim the ASCII control characters at the beginning of a string --
+string(14) "Example string"
diff --git a/tests/std/strings/trim_error.phpt b/tests/std/strings/trim_error.phpt
new file mode 100644
index 00000000..3cf7808a
--- /dev/null
+++ b/tests/std/strings/trim_error.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test trim() function : error conditions
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+echo "*** Testing trim() : error conditions ***\n";
+
+$hello = "  Hello World\n";
+echo "\n-- Test trim function with various invalid charlists --\n";
+var_dump(trim($hello, "..a"));
+var_dump(trim($hello, "a.."));
+var_dump(trim($hello, "z..a"));
+var_dump(trim($hello, "a..b..c"));
+
+?>
+--EXPECTF--
+*** Testing trim() : error conditions ***
+
+-- Test trim function with various invalid charlists --
+
+Warning: trim(): Invalid '..'-range, no character to the left of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: trim(): Invalid '..'-range, no character to the right of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: trim(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: trim(): Invalid '..'-range in %s on line %d
+string(14) "  Hello World
+"
diff --git a/tests/std/strings/ucfirst.phpt b/tests/std/strings/ucfirst.phpt
new file mode 100644
index 00000000..236e5f61
--- /dev/null
+++ b/tests/std/strings/ucfirst.phpt
@@ -0,0 +1,171 @@
+--TEST--
+"ucfirst()" function
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--INI--
+precision=14
+--FILE--
+<?php
+/* Make a string's first character uppercase */
+
+echo "#### Basic and Various operations ####\n";
+$str_array = array(
+            "testing ucfirst.",
+            "1.testing ucfirst",
+            "hELLO wORLD",
+            'hELLO wORLD',
+                    "\0",		// Null
+                    "\x00",		// Hex Null
+                    "\x000",
+                    "abcd",		// double quoted string
+                    'xyz',		// single quoted string
+                    "-3",
+                    -3,
+                    '-3.344',
+                    -3.344,
+                    "NULL",
+                    "0",
+                    0,
+                    TRUE,		// bool type
+                    "TRUE",
+                    "1",
+                    1,
+                    1.234444,
+                    FALSE,
+                    "FALSE",
+                    " ",
+                    "     ",
+                    'b',		// single char
+                    '\t',		// escape sequences
+                    "\t",
+                    "12",
+                    "12twelve",		// int + string
+              );
+/* loop to test working of ucfirst with different values */
+foreach ($str_array as $string) {
+  var_dump( ucfirst($string) );
+}
+
+
+
+echo "\n#### Testing miscellaneous inputs ####\n";
+
+echo "\n--- Testing objects ---\n";
+/* we get "Recoverable fatal error: saying Object of class could not be converted
+        to string" by default when an object is passed instead of string:
+The error can be  avoided by choosing the __toString magix method as follows: */
+
+class StringCapable {
+  function __toString() {
+    return "hello, world";
+  }
+}
+$obj_string = new StringCapable;
+
+var_dump(ucfirst("$obj_string"));
+
+
+echo "\n--- Testing a longer and heredoc string ---\n";
+$string = <<<EOD
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+EOD;
+var_dump(ucfirst($string));
+
+echo "\n--- Testing a heredoc null string ---\n";
+$str = <<<EOD
+EOD;
+var_dump(ucfirst($str));
+
+
+echo "\n--- Testing simple and complex syntax strings ---\n";
+$str = 'world';
+
+/* Simple syntax */
+var_dump(ucfirst("$str"));
+var_dump(ucfirst("$str'S"));
+var_dump(ucfirst("$strS"));
+
+/* String with curly braces, complex syntax */
+var_dump(ucfirst("${str}S"));
+var_dump(ucfirst("{$str}S"));
+
+echo "\n--- Nested ucfirst() ---\n";
+var_dump(ucfirst(ucfirst("hello")));
+
+echo "Done\n";
+?>
+--EXPECTF--
+Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
+#### Basic and Various operations ####
+string(16) "Testing ucfirst."
+string(17) "1.testing ucfirst"
+string(11) "HELLO wORLD"
+string(11) "HELLO wORLD"
+string(1) "%0"
+string(1) "%0"
+string(2) "%00"
+string(4) "Abcd"
+string(3) "Xyz"
+string(2) "-3"
+string(2) "-3"
+string(6) "-3.344"
+string(6) "-3.344"
+string(4) "NULL"
+string(1) "0"
+string(1) "0"
+string(1) "1"
+string(4) "TRUE"
+string(1) "1"
+string(1) "1"
+string(8) "1.234444"
+string(0) ""
+string(5) "FALSE"
+string(1) " "
+string(5) "     "
+string(1) "B"
+string(2) "\t"
+string(1) "	"
+string(2) "12"
+string(8) "12twelve"
+
+#### Testing miscellaneous inputs ####
+
+--- Testing objects ---
+string(12) "Hello, world"
+
+--- Testing a longer and heredoc string ---
+string(639) "Abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
+@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
+abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
+
+--- Testing a heredoc null string ---
+string(0) ""
+
+--- Testing simple and complex syntax strings ---
+string(5) "World"
+string(7) "World'S"
+
+Warning: Undefined variable $strS in %s on line %d
+string(0) ""
+string(6) "WorldS"
+string(6) "WorldS"
+
+--- Nested ucfirst() ---
+string(5) "Hello"
+Done
diff --git a/tests/std/strings/ucwords_basic.phpt b/tests/std/strings/ucwords_basic.phpt
new file mode 100644
index 00000000..63b8eaa3
--- /dev/null
+++ b/tests/std/strings/ucwords_basic.phpt
@@ -0,0 +1,78 @@
+--TEST--
+Test ucwords() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing ucwords() : basic functionality ***\n";
+
+// lines with different whitespace character
+$str_array = array(
+ "testing ucwords",
+ 'testing ucwords',
+ 'testing\tucwords',
+ "testing\tucwords",
+ "testing\nucwords",
+ 'testing\nucwords',
+ "testing\vucwords",
+ 'testing\vucwords',
+ "testing",
+ 'testing',
+ ' testing',
+ " testing",
+ "testing  ucwords",
+ 'testing  ucwords',
+ 'testing\rucwords',
+ "testing\rucwords",
+ 'testing\fucwords',
+ "testing\fucwords"
+);
+
+// loop through the $strings array to test ucwords on each element
+$iteration = 1;
+for($index = 0; $index < count($str_array); $index++) {
+  echo "-- Iteration $iteration --\n";
+  var_dump( ucwords($str_array[$index]) );
+  $iteration++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing ucwords() : basic functionality ***
+-- Iteration 1 --
+string(15) "Testing Ucwords"
+-- Iteration 2 --
+string(15) "Testing Ucwords"
+-- Iteration 3 --
+string(16) "Testing\tucwords"
+-- Iteration 4 --
+string(15) "Testing	Ucwords"
+-- Iteration 5 --
+string(15) "Testing
+Ucwords"
+-- Iteration 6 --
+string(16) "Testing\nucwords"
+-- Iteration 7 --
+string(15) "TestingUcwords"
+-- Iteration 8 --
+string(16) "Testing\vucwords"
+-- Iteration 9 --
+string(7) "Testing"
+-- Iteration 10 --
+string(7) "Testing"
+-- Iteration 11 --
+string(8) " Testing"
+-- Iteration 12 --
+string(8) " Testing"
+-- Iteration 13 --
+string(16) "Testing  Ucwords"
+-- Iteration 14 --
+string(16) "Testing  Ucwords"
+-- Iteration 15 --
+string(16) "Testing\rucwords"
+-- Iteration 16 --
+string(15) "Testing
Ucwords"
+-- Iteration 17 --
+string(16) "Testing\fucwords"
+-- Iteration 18 --
+string(15) "TestingUcwords"
+Done
diff --git a/tests/std/strings/ucwords_variation2.phpt b/tests/std/strings/ucwords_variation2.phpt
new file mode 100644
index 00000000..8e2e3a6f
--- /dev/null
+++ b/tests/std/strings/ucwords_variation2.phpt
@@ -0,0 +1,91 @@
+--TEST--
+Test ucwords() function : usage variations - heredoc strings
+--FILE--
+<?php
+/*
+ * test ucwords() with different string prepared using heredoc
+*/
+
+echo "*** Testing ucwords() : usage variations ***\n";
+
+// Null here doc string
+$null_string = <<<EOT
+EOT;
+
+// Heredoc string with blank line
+$blank_line = <<<EOT
+
+EOT;
+
+// here doc with multiline string
+$multiline_string = <<<EOT
+testing ucword() with
+multiline string using
+heredoc
+EOT;
+
+// here doc with different whitespaces
+$diff_whitespaces = <<<EOT
+testing\rucword(str)\twith
+multiline   string\t\tusing
+heredoc\nstring.with\vdifferent\fwhite\vspaces
+EOT;
+
+// here doc with numeric values
+$numeric_string = <<<EOT
+12sting 123string 4567
+string\t123string\r12 test\n5test
+EOT;
+
+// heredoc with quote chars & slash
+$quote_char_string = <<<EOT
+it's bright,but i cann't see it.
+"things in double quote"
+'things in single quote'
+this\line is /with\slashs
+EOT;
+
+$heredoc_strings = array(
+  $null_string,
+  $blank_line,
+  $multiline_string,
+  $diff_whitespaces,
+  $numeric_string,
+  $quote_char_string
+);
+
+// loop through $heredoc_strings element and check the working on ucwords()
+$count = 1;
+for($index =0; $index < count($heredoc_strings); $index ++) {
+  echo "-- Iteration $count --\n";
+  var_dump( ucwords($heredoc_strings[$index]) );
+  $count ++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing ucwords() : usage variations ***
+-- Iteration 1 --
+string(0) ""
+-- Iteration 2 --
+string(0) ""
+-- Iteration 3 --
+string(52) "Testing Ucword() With
+Multiline String Using
+Heredoc"
+-- Iteration 4 --
+string(93) "Testing
Ucword(str)	With
+Multiline   String		Using
+Heredoc
+String.withDifferentWhiteSpaces"
+-- Iteration 5 --
+string(53) "12sting 123string 4567
+String	123string
12 Test
+5test"
+-- Iteration 6 --
+string(108) "It's Bright,but I Cann't See It.
+"things In Double Quote"
+'things In Single Quote'
+This\line Is /with\slashs"
+Done
diff --git a/tests/std/strings/ucwords_variation3.phpt b/tests/std/strings/ucwords_variation3.phpt
new file mode 100644
index 00000000..8e693647
--- /dev/null
+++ b/tests/std/strings/ucwords_variation3.phpt
@@ -0,0 +1,92 @@
+--TEST--
+Test ucwords() function : usage variations - single quoted string
+--FILE--
+<?php
+/*
+ * test ucwords() with different string prepared using single quote
+*/
+
+echo "*** Testing ucwords() : usage variations ***\n";
+
+// different strings containing regular chars and special chars
+$str_array = array(
+  // multiple spaces
+  'testing    ucwords',
+  't e s t i n g   u c w o r d s ',
+
+  // brackets in sentence
+  'testing function(ucwords)',
+  '(testing ( function (ucwords) )a )test',
+  '(t)',
+  ' ( t )t',
+
+  // using quote chars in sentence
+  '"testing",ucword,"test"',
+  '"t""t",test, t',
+  '\'t \'t\',test',
+
+  // using other white spaces
+  '\ttesting\ttesting\tucwords',
+  'testing\rucwords testing ucwords',
+  'testing\fucwords \f testing \nucwords',
+  '\ntesting\nucwords\n testing \n ucwords',
+  'using\vvertical\vtab',
+
+  //using special chars in sentence
+  't@@#$% %test ^test &test *test +test -test',
+  '!test ~test `test` =test= @test@test.com',
+  '/test/r\test\ucwords\t\y\y\u\3 \yy\ /uu/',
+
+  //only special chars
+  '!@#$%^&*()_+=-`~'
+);
+
+// loop through the $str_array array to test ucwords on each element
+$iteration = 1;
+for($index = 0; $index < count($str_array); $index++) {
+  echo "-- Iteration $iteration --\n";
+  var_dump( ucwords($str_array[$index]) );
+  $iteration++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing ucwords() : usage variations ***
+-- Iteration 1 --
+string(18) "Testing    Ucwords"
+-- Iteration 2 --
+string(30) "T E S T I N G   U C W O R D S "
+-- Iteration 3 --
+string(25) "Testing Function(ucwords)"
+-- Iteration 4 --
+string(38) "(testing ( Function (ucwords) )a )test"
+-- Iteration 5 --
+string(3) "(t)"
+-- Iteration 6 --
+string(7) " ( T )t"
+-- Iteration 7 --
+string(23) ""testing",ucword,"test""
+-- Iteration 8 --
+string(14) ""t""t",test, T"
+-- Iteration 9 --
+string(11) "'t 't',test"
+-- Iteration 10 --
+string(27) "\ttesting\ttesting\tucwords"
+-- Iteration 11 --
+string(32) "Testing\rucwords Testing Ucwords"
+-- Iteration 12 --
+string(37) "Testing\fucwords \f Testing \nucwords"
+-- Iteration 13 --
+string(39) "\ntesting\nucwords\n Testing \n Ucwords"
+-- Iteration 14 --
+string(20) "Using\vvertical\vtab"
+-- Iteration 15 --
+string(42) "T@@#$% %test ^test &test *test +test -test"
+-- Iteration 16 --
+string(40) "!test ~test `test` =test= @test@test.com"
+-- Iteration 17 --
+string(40) "/test/r\test\ucwords\t\y\y\u\3 \yy\ /uu/"
+-- Iteration 18 --
+string(16) "!@#$%^&*()_+=-`~"
+Done
diff --git a/tests/std/strings/ucwords_variation4.phpt b/tests/std/strings/ucwords_variation4.phpt
new file mode 100644
index 00000000..70dbe466
--- /dev/null
+++ b/tests/std/strings/ucwords_variation4.phpt
@@ -0,0 +1,119 @@
+--TEST--
+Test ucwords() function : usage variations - double quoted string
+--FILE--
+<?php
+/*
+ * test ucwords() with different string prepared using double quote
+*/
+
+echo "*** Testing ucwords() : usage variations ***\n";
+
+// different strings containing regular chars and special chars
+$str_array = array(
+  // multiple spaces
+  "testing    ucwords",
+  "t e s t i n g   u c w o r d s ",
+
+  // brackets in sentence
+  "testing function(ucwords)",
+  "(testing ( function (ucwords) )a )test",
+  "(t)",
+  " ( t )t",
+
+  // using quote chars in sentence
+  "\"testing\",ucwords,\"test\"",
+  "\"t\"\"t\",test, t",
+  "\'t \'t\',test",
+  "Jack's pen",
+  "P't'y 't it's ",
+
+  // using other white spaces
+  "\ttesting\ttesting\tucwords",
+  "\\ttesting\\ttesting\tucwords",
+  "testing\rucwords testing ucwords",
+  "testing\\rucwords testing ucwords",
+  "testing\fucwords \f testing \nucwords",
+  "testing\\fucwords \\f testing \nucwords",
+  "\ntesting\nucwords\n testing \n ucwords",
+  "\\ntesting\\nucwords\\n testing \\n ucwords",
+  "using\vvertical\vtab",
+  "using\\vvertical\\vtab",
+
+  //using special chars in sentence
+  "t@@#$% %test ^test &test *test +test -test",
+  "!test ~test `test` =test= @test@test.com",
+  "/test/r\test\\ucwords\t\y\y\\u\3 \yy\ /uu/",
+
+  //only special chars
+  "!@#$%^&*()_+=-`~"
+);
+
+// loop through the $str_array array to test ucwords on each element
+$iteration = 1;
+for($index = 0; $index < count($str_array); $index++) {
+  echo "-- Iteration $iteration --\n";
+  var_dump( ucwords($str_array[$index]) );
+  $iteration++;
+}
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing ucwords() : usage variations ***
+-- Iteration 1 --
+string(18) "Testing    Ucwords"
+-- Iteration 2 --
+string(30) "T E S T I N G   U C W O R D S "
+-- Iteration 3 --
+string(25) "Testing Function(ucwords)"
+-- Iteration 4 --
+string(38) "(testing ( Function (ucwords) )a )test"
+-- Iteration 5 --
+string(3) "(t)"
+-- Iteration 6 --
+string(7) " ( T )t"
+-- Iteration 7 --
+string(24) ""testing",ucwords,"test""
+-- Iteration 8 --
+string(14) ""t""t",test, T"
+-- Iteration 9 --
+string(14) "\'t \'t\',test"
+-- Iteration 10 --
+string(10) "Jack's Pen"
+-- Iteration 11 --
+string(14) "P't'y 't It's "
+-- Iteration 12 --
+string(24) "	Testing	Testing	Ucwords"
+-- Iteration 13 --
+string(26) "\ttesting\ttesting	Ucwords"
+-- Iteration 14 --
+string(31) "Testing
Ucwords Testing Ucwords"
+-- Iteration 15 --
+string(32) "Testing\rucwords Testing Ucwords"
+-- Iteration 16 --
+string(34) "TestingUcwords  Testing 
+Ucwords"
+-- Iteration 17 --
+string(36) "Testing\fucwords \f Testing 
+Ucwords"
+-- Iteration 18 --
+string(35) "
+Testing
+Ucwords
+ Testing 
+ Ucwords"
+-- Iteration 19 --
+string(39) "\ntesting\nucwords\n Testing \n Ucwords"
+-- Iteration 20 --
+string(18) "UsingVerticalTab"
+-- Iteration 21 --
+string(20) "Using\vvertical\vtab"
+-- Iteration 22 --
+string(42) "T@@#$% %test ^test &test *test +test -test"
+-- Iteration 23 --
+string(40) "!test ~test `test` =test= @test@test.com"
+-- Iteration 24 --
+string(37) "/test/r	Est\ucwords	\y\y\u \yy\ /uu/"
+-- Iteration 25 --
+string(16) "!@#$%^&*()_+=-`~"
+Done
diff --git a/tests/std/strings/ucwords_variation5.phpt b/tests/std/strings/ucwords_variation5.phpt
new file mode 100644
index 00000000..b7613f22
--- /dev/null
+++ b/tests/std/strings/ucwords_variation5.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Test ucwords() function : usage variations - custom delimiters
+--FILE--
+<?php
+echo "*** Testing ucwords() : usage variations ***\n";
+
+var_dump(ucwords('testing-dashed-words', '-'));
+var_dump(ucwords('test(braced)words', '()'));
+var_dump(ucwords('testing empty delimiters', ''));
+var_dump(ucwords('testing ranges', 'a..e'));
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing ucwords() : usage variations ***
+string(%d) "Testing-Dashed-Words"
+string(%d) "Test(Braced)Words"
+string(%d) "Testing empty delimiters"
+string(%d) "TeSting raNgeS"
+Done
diff --git a/tests/std/strings/unpack_bug68225.phpt b/tests/std/strings/unpack_bug68225.phpt
new file mode 100644
index 00000000..c3d1692c
--- /dev/null
+++ b/tests/std/strings/unpack_bug68225.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Bug #68225 unpack and X format code
+--FILE--
+<?php
+
+$data = pack('VV', 1, 2);
+
+$result = unpack('Va/X' ,$data);
+var_dump($result);
+
+$result = unpack('Va/X4' ,$data);
+var_dump($result);
+
+$result = unpack('V1a/X4/V1b/V1c/X4/V1d', $data);
+var_dump($result);
+
+?>
+--EXPECT--
+array(1) {
+  ["a"]=>
+  int(1)
+}
+array(1) {
+  ["a"]=>
+  int(1)
+}
+array(4) {
+  ["a"]=>
+  int(1)
+  ["b"]=>
+  int(1)
+  ["c"]=>
+  int(2)
+  ["d"]=>
+  int(2)
+}
diff --git a/tests/std/strings/unpack_error.phpt b/tests/std/strings/unpack_error.phpt
new file mode 100644
index 00000000..c41185b2
--- /dev/null
+++ b/tests/std/strings/unpack_error.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Test unpack() function : error conditions
+--FILE--
+<?php
+
+try {
+    var_dump(unpack("B", pack("I", 65534)));
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+Invalid format type B
diff --git a/tests/std/strings/unpack_offset.phpt b/tests/std/strings/unpack_offset.phpt
new file mode 100644
index 00000000..bd787859
--- /dev/null
+++ b/tests/std/strings/unpack_offset.phpt
@@ -0,0 +1,29 @@
+--TEST--
+unpack() with offset
+--FILE--
+<?php
+$data = "pad" . pack("ll", 0x01020304, 0x05060708);
+
+$a = unpack("l2", $data, 3);
+printf("0x%08x 0x%08x\n", $a[1], $a[2]);
+
+printf("0x%08x 0x%08x\n",
+    unpack("l", $data, 3)[1],
+    unpack("@4/l", $data, 3)[1]);
+
+try {
+    unpack("l", "foo", 10);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    unpack("l", "foo", -1);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+?>
+--EXPECT--
+0x01020304 0x05060708
+0x01020304 0x05060708
+unpack(): Argument #3 ($offset) must be contained in argument #2 ($data)
+unpack(): Argument #3 ($offset) must be contained in argument #2 ($data)
diff --git a/tests/std/strings/url_t.phpt b/tests/std/strings/url_t.phpt
new file mode 100644
index 00000000..caa93cb9
--- /dev/null
+++ b/tests/std/strings/url_t.phpt
@@ -0,0 +1,799 @@
+--TEST--
+parse_url() function
+--FILE--
+<?php
+$sample_urls = array (
+'',
+'64.246.30.37',
+'http://64.246.30.37',
+'http://64.246.30.37/',
+'64.246.30.37/',
+'64.246.30.37:80/',
+'php.net',
+'php.net/',
+'http://php.net',
+'http://php.net/',
+'www.php.net',
+'www.php.net/',
+'http://www.php.net',
+'http://www.php.net/',
+'www.php.net:80',
+'http://www.php.net:80',
+'http://www.php.net:80/',
+'http://www.php.net/index.php',
+'www.php.net/?',
+'www.php.net:80/?',
+'http://www.php.net/?',
+'http://www.php.net:80/?',
+'http://www.php.net:80/index.php',
+'http://www.php.net:80/foo/bar/index.php',
+'http://www.php.net:80/this/is/a/very/deep/directory/structure/and/file.php',
+'http://www.php.net:80/this/is/a/very/deep/directory/structure/and/file.php?lots=1&of=2&parameters=3&too=4&here=5',
+'http://www.php.net:80/this/is/a/very/deep/directory/structure/and/',
+'http://www.php.net:80/this/is/a/very/deep/directory/structure/and/file.php',
+'http://www.php.net:80/this/../a/../deep/directory',
+'http://www.php.net:80/this/../a/../deep/directory/',
+'http://www.php.net:80/this/is/a/very/deep/directory/../file.php',
+'http://www.php.net:80/index.php',
+'http://www.php.net:80/index.php?',
+'http://www.php.net:80/#foo',
+'http://www.php.net:80/?#',
+'http://www.php.net:80/?test=1',
+'http://www.php.net/?test=1&',
+'http://www.php.net:80/?&',
+'http://www.php.net:80/index.php?test=1&',
+'http://www.php.net/index.php?&',
+'http://www.php.net:80/index.php?foo&',
+'http://www.php.net/index.php?&foo',
+'http://www.php.net:80/index.php?test=1&test2=char&test3=mixesCI',
+'www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'http://secret@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'http://secret:@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'http://:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'http://secret:hideout@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'http://secret:hid:out@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123',
+'nntp://news.php.net',
+'ftp://ftp.gnu.org/gnu/glic/glibc.tar.gz',
+'zlib:http://foo@bar',
+'zlib:filename.txt',
+'zlib:/path/to/my/file/file.txt',
+'foo://foo@bar',
+'mailto:me@mydomain.com',
+'/foo.php?a=b&c=d',
+'foo.php?a=b&c=d',
+'http://user:passwd@www.example.com:8080?bar=1&boom=0',
+'file:///path/to/file',
+'file://path/to/file',
+'file:/path/to/file',
+'http://1.2.3.4:/abc.asp?a=1&b=2',
+'http://foo.com#bar',
+'scheme:',
+'foo+bar://baz@bang/bla',
+'gg:9130731',
+'http://user:@pass@host/path?argument?value#etc',
+);
+
+    foreach ($sample_urls as $url) {
+        echo "\n--> $url: ";
+        var_dump(@parse_url($url));
+    }
+
+    $url = 'http://secret:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123';
+    foreach (array(PHP_URL_SCHEME,PHP_URL_HOST,PHP_URL_PORT,PHP_URL_USER,PHP_URL_PASS,PHP_URL_PATH,PHP_URL_QUERY,PHP_URL_FRAGMENT) as $v) {
+    var_dump(parse_url($url, $v));
+    }
+?>
+--EXPECT--
+--> : array(1) {
+  ["path"]=>
+  string(0) ""
+}
+
+--> 64.246.30.37: array(1) {
+  ["path"]=>
+  string(12) "64.246.30.37"
+}
+
+--> http://64.246.30.37: array(2) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(12) "64.246.30.37"
+}
+
+--> http://64.246.30.37/: array(3) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(12) "64.246.30.37"
+  ["path"]=>
+  string(1) "/"
+}
+
+--> 64.246.30.37/: array(1) {
+  ["path"]=>
+  string(13) "64.246.30.37/"
+}
+
+--> 64.246.30.37:80/: array(3) {
+  ["host"]=>
+  string(12) "64.246.30.37"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+}
+
+--> php.net: array(1) {
+  ["path"]=>
+  string(7) "php.net"
+}
+
+--> php.net/: array(1) {
+  ["path"]=>
+  string(8) "php.net/"
+}
+
+--> http://php.net: array(2) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(7) "php.net"
+}
+
+--> http://php.net/: array(3) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(7) "php.net"
+  ["path"]=>
+  string(1) "/"
+}
+
+--> www.php.net: array(1) {
+  ["path"]=>
+  string(11) "www.php.net"
+}
+
+--> www.php.net/: array(1) {
+  ["path"]=>
+  string(12) "www.php.net/"
+}
+
+--> http://www.php.net: array(2) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+}
+
+--> http://www.php.net/: array(3) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["path"]=>
+  string(1) "/"
+}
+
+--> www.php.net:80: array(2) {
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+}
+
+--> http://www.php.net:80: array(3) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+}
+
+--> http://www.php.net:80/: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+}
+
+--> http://www.php.net/index.php: array(3) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["path"]=>
+  string(10) "/index.php"
+}
+
+--> www.php.net/?: array(2) {
+  ["path"]=>
+  string(12) "www.php.net/"
+  ["query"]=>
+  string(0) ""
+}
+
+--> www.php.net:80/?: array(4) {
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(0) ""
+}
+
+--> http://www.php.net/?: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(0) ""
+}
+
+--> http://www.php.net:80/?: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(0) ""
+}
+
+--> http://www.php.net:80/index.php: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+}
+
+--> http://www.php.net:80/foo/bar/index.php: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(18) "/foo/bar/index.php"
+}
+
+--> http://www.php.net:80/this/is/a/very/deep/directory/structure/and/file.php: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(53) "/this/is/a/very/deep/directory/structure/and/file.php"
+}
+
+--> http://www.php.net:80/this/is/a/very/deep/directory/structure/and/file.php?lots=1&of=2&parameters=3&too=4&here=5: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(53) "/this/is/a/very/deep/directory/structure/and/file.php"
+  ["query"]=>
+  string(37) "lots=1&of=2&parameters=3&too=4&here=5"
+}
+
+--> http://www.php.net:80/this/is/a/very/deep/directory/structure/and/: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(45) "/this/is/a/very/deep/directory/structure/and/"
+}
+
+--> http://www.php.net:80/this/is/a/very/deep/directory/structure/and/file.php: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(53) "/this/is/a/very/deep/directory/structure/and/file.php"
+}
+
+--> http://www.php.net:80/this/../a/../deep/directory: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(28) "/this/../a/../deep/directory"
+}
+
+--> http://www.php.net:80/this/../a/../deep/directory/: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(29) "/this/../a/../deep/directory/"
+}
+
+--> http://www.php.net:80/this/is/a/very/deep/directory/../file.php: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(42) "/this/is/a/very/deep/directory/../file.php"
+}
+
+--> http://www.php.net:80/index.php: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+}
+
+--> http://www.php.net:80/index.php?: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(0) ""
+}
+
+--> http://www.php.net:80/#foo: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+  ["fragment"]=>
+  string(3) "foo"
+}
+
+--> http://www.php.net:80/?#: array(6) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(0) ""
+  ["fragment"]=>
+  string(0) ""
+}
+
+--> http://www.php.net:80/?test=1: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(6) "test=1"
+}
+
+--> http://www.php.net/?test=1&: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(7) "test=1&"
+}
+
+--> http://www.php.net:80/?&: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(1) "/"
+  ["query"]=>
+  string(1) "&"
+}
+
+--> http://www.php.net:80/index.php?test=1&: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(7) "test=1&"
+}
+
+--> http://www.php.net/index.php?&: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(1) "&"
+}
+
+--> http://www.php.net:80/index.php?foo&: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(4) "foo&"
+}
+
+--> http://www.php.net/index.php?&foo: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(4) "&foo"
+}
+
+--> http://www.php.net:80/index.php?test=1&test2=char&test3=mixesCI: array(5) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+}
+
+--> www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(5) {
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> http://secret@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["user"]=>
+  string(6) "secret"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> http://secret:@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["user"]=>
+  string(6) "secret"
+  ["pass"]=>
+  string(0) ""
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> http://:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(8) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["user"]=>
+  string(0) ""
+  ["pass"]=>
+  string(7) "hideout"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> http://secret:hideout@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["user"]=>
+  string(6) "secret"
+  ["pass"]=>
+  string(7) "hideout"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["user"]=>
+  string(14) "secret@hideout"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> http://secret:hid:out@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(8) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(11) "www.php.net"
+  ["port"]=>
+  int(80)
+  ["user"]=>
+  string(6) "secret"
+  ["pass"]=>
+  string(7) "hid:out"
+  ["path"]=>
+  string(10) "/index.php"
+  ["query"]=>
+  string(31) "test=1&test2=char&test3=mixesCI"
+  ["fragment"]=>
+  string(16) "some_page_ref123"
+}
+
+--> nntp://news.php.net: array(2) {
+  ["scheme"]=>
+  string(4) "nntp"
+  ["host"]=>
+  string(12) "news.php.net"
+}
+
+--> ftp://ftp.gnu.org/gnu/glic/glibc.tar.gz: array(3) {
+  ["scheme"]=>
+  string(3) "ftp"
+  ["host"]=>
+  string(11) "ftp.gnu.org"
+  ["path"]=>
+  string(22) "/gnu/glic/glibc.tar.gz"
+}
+
+--> zlib:http://foo@bar: array(2) {
+  ["scheme"]=>
+  string(4) "zlib"
+  ["path"]=>
+  string(14) "http://foo@bar"
+}
+
+--> zlib:filename.txt: array(2) {
+  ["scheme"]=>
+  string(4) "zlib"
+  ["path"]=>
+  string(12) "filename.txt"
+}
+
+--> zlib:/path/to/my/file/file.txt: array(2) {
+  ["scheme"]=>
+  string(4) "zlib"
+  ["path"]=>
+  string(25) "/path/to/my/file/file.txt"
+}
+
+--> foo://foo@bar: array(3) {
+  ["scheme"]=>
+  string(3) "foo"
+  ["host"]=>
+  string(3) "bar"
+  ["user"]=>
+  string(3) "foo"
+}
+
+--> mailto:me@mydomain.com: array(2) {
+  ["scheme"]=>
+  string(6) "mailto"
+  ["path"]=>
+  string(15) "me@mydomain.com"
+}
+
+--> /foo.php?a=b&c=d: array(2) {
+  ["path"]=>
+  string(8) "/foo.php"
+  ["query"]=>
+  string(7) "a=b&c=d"
+}
+
+--> foo.php?a=b&c=d: array(2) {
+  ["path"]=>
+  string(7) "foo.php"
+  ["query"]=>
+  string(7) "a=b&c=d"
+}
+
+--> http://user:passwd@www.example.com:8080?bar=1&boom=0: array(6) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(15) "www.example.com"
+  ["port"]=>
+  int(8080)
+  ["user"]=>
+  string(4) "user"
+  ["pass"]=>
+  string(6) "passwd"
+  ["query"]=>
+  string(12) "bar=1&boom=0"
+}
+
+--> file:///path/to/file: array(2) {
+  ["scheme"]=>
+  string(4) "file"
+  ["path"]=>
+  string(13) "/path/to/file"
+}
+
+--> file://path/to/file: array(3) {
+  ["scheme"]=>
+  string(4) "file"
+  ["host"]=>
+  string(4) "path"
+  ["path"]=>
+  string(8) "/to/file"
+}
+
+--> file:/path/to/file: array(2) {
+  ["scheme"]=>
+  string(4) "file"
+  ["path"]=>
+  string(13) "/path/to/file"
+}
+
+--> http://1.2.3.4:/abc.asp?a=1&b=2: array(4) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(7) "1.2.3.4"
+  ["path"]=>
+  string(8) "/abc.asp"
+  ["query"]=>
+  string(7) "a=1&b=2"
+}
+
+--> http://foo.com#bar: array(3) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(7) "foo.com"
+  ["fragment"]=>
+  string(3) "bar"
+}
+
+--> scheme:: array(1) {
+  ["scheme"]=>
+  string(6) "scheme"
+}
+
+--> foo+bar://baz@bang/bla: array(4) {
+  ["scheme"]=>
+  string(7) "foo+bar"
+  ["host"]=>
+  string(4) "bang"
+  ["user"]=>
+  string(3) "baz"
+  ["path"]=>
+  string(4) "/bla"
+}
+
+--> gg:9130731: array(2) {
+  ["scheme"]=>
+  string(2) "gg"
+  ["path"]=>
+  string(7) "9130731"
+}
+
+--> http://user:@pass@host/path?argument?value#etc: array(7) {
+  ["scheme"]=>
+  string(4) "http"
+  ["host"]=>
+  string(4) "host"
+  ["user"]=>
+  string(4) "user"
+  ["pass"]=>
+  string(5) "@pass"
+  ["path"]=>
+  string(5) "/path"
+  ["query"]=>
+  string(14) "argument?value"
+  ["fragment"]=>
+  string(3) "etc"
+}
+string(4) "http"
+string(11) "www.php.net"
+int(80)
+string(6) "secret"
+string(7) "hideout"
+string(10) "/index.php"
+string(31) "test=1&test2=char&test3=mixesCI"
+string(16) "some_page_ref123"
diff --git a/tests/std/strings/utf8.phpt b/tests/std/strings/utf8.phpt
new file mode 100644
index 00000000..e681cb74
--- /dev/null
+++ b/tests/std/strings/utf8.phpt
@@ -0,0 +1,17 @@
+--TEST--
+UTF-8<->ISO Latin 1 encoding/decoding test
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+printf("%s -> %s\n", urlencode("æ"), urlencode(utf8_encode("æ")));
+printf("%s <- %s\n", urlencode(utf8_decode(urldecode("%C3%A6"))), "%C3%A6");
+?>
+--EXPECTF--
+Deprecated: Function utf8_encode() is deprecated since 8.2, visit the php.net documentation for various alternatives in %s on line %d
+%E6 -> %C3%A6
+
+Deprecated: Function utf8_decode() is deprecated since 8.2, visit the php.net documentation for various alternatives in %s on line %d
+%E6 <- %C3%A6
diff --git a/tests/std/strings/uuencode.phpt b/tests/std/strings/uuencode.phpt
new file mode 100644
index 00000000..8eb0874d
--- /dev/null
+++ b/tests/std/strings/uuencode.phpt
@@ -0,0 +1,41 @@
+--TEST--
+uuencode family tests
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--FILE--
+<?php
+
+var_dump($enc = convert_uuencode(""));
+var_dump(convert_uudecode($enc));
+var_dump($enc = convert_uuencode("~!@#$%^&*()_}{POIUYTREWQQSDFGHJKL:<MNBVCXZ"));
+var_dump(convert_uudecode("!@#$%^YUGFDFGHJKLUYTFBNMLOYT"));
+var_dump(convert_uudecode($enc));
+var_dump($enc = convert_uuencode("not very sophisticated"));
+var_dump(convert_uudecode($enc));
+var_dump(convert_uudecode(""));
+var_dump(convert_uudecode(substr($enc, 0, -10)));
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(2) "`
+"
+string(0) ""
+string(60) "J?B%`(R0E7B8J*"E??7M03TE5651215=145-$1D=(2DM,.CQ-3D)60UA:
+`
+"
+string(1) "%s"
+string(42) "~!@#$%^&*()_}{POIUYTREWQQSDFGHJKL:<MNBVCXZ"
+string(36) "6;F]T('9E<GD@<V]P:&ES=&EC871E9```
+`
+"
+string(22) "not very sophisticated"
+
+Warning: convert_uudecode(): Argument #1 ($data) is not a valid uuencoded string in %s on line %d
+bool(false)
+
+Warning: convert_uudecode(): Argument #1 ($data) is not a valid uuencoded string in %s on line %d
+bool(false)
+Done
diff --git a/tests/std/strings/vfprintf_basic.phpt b/tests/std/strings/vfprintf_basic.phpt
new file mode 100644
index 00000000..e7271d9d
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic.phpt
@@ -0,0 +1,67 @@
+--TEST--
+Test vfprintf() function : basic functionality
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--INI--
+precision=14
+--FILE--
+<?php
+function writeAndDump($fp, $format, $args)
+{
+    ftruncate( $fp, 0 );
+    $length = vfprintf( $fp, $format, $args );
+    rewind( $fp );
+    $content = stream_get_contents( $fp );
+    var_dump( $content );
+    var_dump( $length );
+}
+
+echo "*** Testing vfprintf() : basic functionality ***\n";
+
+// Open handle
+$file = 'vfprintf_basic.txt';
+$fp = fopen( $file, "a+" );
+
+// Test vfprintf()
+writeAndDump( $fp, "Foo is %d and %s", array( 30, 'bar' ) );
+writeAndDump( $fp, "%s %s %s", array( 'bar', 'bar', 'bar' ) );
+writeAndDump( $fp, "%d digit", array( '54' ) );
+writeAndDump( $fp, "%b %b", array( true, false ) );
+writeAndDump( $fp, "%c %c %c", array( 65, 66, 67 ) );
+writeAndDump( $fp, "%e %E %e", array( 1000, 2e4, +2e2 ) );
+writeAndDump( $fp, "%02d", array( 50 ) );
+writeAndDump( $fp, "Testing %b %d %f %s %x %X", array( 9, 6, 2.5502, "foobar", 15, 65 ) );
+
+// Close handle
+fclose( $fp );
+
+?>
+--CLEAN--
+<?php
+
+$file = 'vfprintf_basic.txt';
+unlink( $file );
+
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality ***
+string(17) "Foo is 30 and bar"
+int(17)
+string(11) "bar bar bar"
+int(11)
+string(8) "54 digit"
+int(8)
+string(3) "1 0"
+int(3)
+string(5) "A B C"
+int(5)
+string(35) "1.000000e+3 2.000000E+4 2.000000e+2"
+int(35)
+string(2) "50"
+int(2)
+string(35) "Testing 1001 6 2.550200 foobar f 41"
+int(35)
diff --git a/tests/std/strings/vfprintf_basic1.phpt b/tests/std/strings/vfprintf_basic1.phpt
new file mode 100644
index 00000000..d37f2a81
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic1.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test vfprintf() function : basic functionality - string format
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using string format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%s\n";
+$format2 = "%s %s\n";
+$format3 = "%s %s %s\n";
+$arg1 = array("one");
+$arg2 = array("one","two");
+$arg3 = array("one","two","three");
+
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic1.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$result = vfprintf($fp, $format1, $arg1);
+var_dump($result);
+$result = vfprintf($fp, $format2, $arg2);
+var_dump($result);
+$result = vfprintf($fp, $format3, $arg3);
+var_dump($result);
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using string format ***
+int(4)
+int(8)
+int(14)
+one
+one two
+one two three
diff --git a/tests/std/strings/vfprintf_basic2.phpt b/tests/std/strings/vfprintf_basic2.phpt
new file mode 100644
index 00000000..3d51bb75
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic2.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test vfprintf() function : basic functionality - integer format
+--FILE--
+<?php
+/*
+ *  Testing vfprintf() : basic functionality - using integer format
+*/
+
+echo "*** Testing vfprintf() : basic functionality - using integer format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%d";
+$format2 = "%d %d";
+$format3 = "%d %d %d";
+$arg1 = array(111);
+$arg2 = array(111,222);
+$arg3 = array(111,222,333);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic2.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1, $arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2, $arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3, $arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using integer format ***
+111
+111 222
+111 222 333
diff --git a/tests/std/strings/vfprintf_basic3.phpt b/tests/std/strings/vfprintf_basic3.phpt
new file mode 100644
index 00000000..e8b245b0
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic3.phpt
@@ -0,0 +1,56 @@
+--TEST--
+Test vfprintf() function : basic functionality - float format
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using float format ***\n";
+
+// Initialise all required variables
+
+$format = "format";
+$format1 = "%f";
+$format2 = "%f %f";
+$format3 = "%f %f %f";
+
+$format11 = "%F";
+$format22 = "%F %F";
+$format33 = "%F %F %F";
+$arg1 = array(11.11);
+$arg2 = array(11.11,22.22);
+$arg3 = array(11.11,22.22,33.33);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic3.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp,$format11,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp,$format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp,$format22,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp,$format3,$arg3);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format33,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using float format ***
+11.110000
+11.110000
+11.110000 22.220000
+11.110000 22.220000
+11.110000 22.220000 33.330000
+11.110000 22.220000 33.330000
diff --git a/tests/std/strings/vfprintf_basic4.phpt b/tests/std/strings/vfprintf_basic4.phpt
new file mode 100644
index 00000000..d855b8b4
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic4.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test vfprintf() function : basic functionality - bool format
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using bool format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%b";
+$format2 = "%b %b";
+$format3 = "%b %b %b";
+$arg1 = array(TRUE);
+$arg2 = array(TRUE,FALSE);
+$arg3 = array(TRUE,FALSE,TRUE);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic4.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using bool format ***
+1
+1 0
+1 0 1
diff --git a/tests/std/strings/vfprintf_basic5.phpt b/tests/std/strings/vfprintf_basic5.phpt
new file mode 100644
index 00000000..13d17d00
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic5.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test vfprintf() function : basic functionality - char format
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using char format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%c";
+$format2 = "%c %c";
+$format3 = "%c %c %c";
+$arg1 = array(65);
+$arg2 = array(65,66);
+$arg3 = array(65,66,67);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic5.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using char format ***
+A
+A B
+A B C
diff --git a/tests/std/strings/vfprintf_basic6.phpt b/tests/std/strings/vfprintf_basic6.phpt
new file mode 100644
index 00000000..a11125c3
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic6.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test vfprintf() function : basic functionality - exponential format
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using exponential format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%e";
+$format2 = "%e %e";
+$format3 = "%e %e %e";
+$arg1 = array(1000);
+$arg2 = array(1000,2000);
+$arg3 = array(1000,2000,3000);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic6.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using exponential format ***
+1.000000e+3
+1.000000e+3 2.000000e+3
+1.000000e+3 2.000000e+3 3.000000e+3
diff --git a/tests/std/strings/vfprintf_basic7.phpt b/tests/std/strings/vfprintf_basic7.phpt
new file mode 100644
index 00000000..7f013872
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic7.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test vfprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using unsigned format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = array(-1111);
+$arg2 = array(-1111,-1234567);
+$arg3 = array(-1111,-1234567,-2345432);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic7.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using unsigned format ***
+4294966185
+4294966185 4293732729
+4294966185 4293732729 4292621864
diff --git a/tests/std/strings/vfprintf_basic7_64bit.phpt b/tests/std/strings/vfprintf_basic7_64bit.phpt
new file mode 100644
index 00000000..38922f51
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic7_64bit.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test vfprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using unsigned format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = array(-1111);
+$arg2 = array(-1111,-1234567);
+$arg3 = array(-1111,-1234567,-2345432);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic7_64bit.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using unsigned format ***
+18446744073709550505
+18446744073709550505 18446744073708317049
+18446744073709550505 18446744073708317049 18446744073707206184
diff --git a/tests/std/strings/vfprintf_basic8.phpt b/tests/std/strings/vfprintf_basic8.phpt
new file mode 100644
index 00000000..99bf2da0
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic8.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test vfprintf() function : basic functionality - octal format
+--FILE--
+<?php
+echo "*** Testing vfprintf() : basic functionality - using octal format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%o";
+$format2 = "%o %o";
+$format3 = "%o %o %o";
+$arg1 = array(021);
+$arg2 = array(021,0347);
+$arg3 = array(021,0347,0567);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic8.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1,$arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2,$arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3,$arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+?>
+--EXPECT--
+*** Testing vfprintf() : basic functionality - using octal format ***
+21
+21 347
+21 347 567
diff --git a/tests/std/strings/vfprintf_basic9.phpt b/tests/std/strings/vfprintf_basic9.phpt
new file mode 100644
index 00000000..bcbd5320
--- /dev/null
+++ b/tests/std/strings/vfprintf_basic9.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test vfprintf) function : basic functionality - hexadecimal format
+--FILE--
+<?php
+echo "*** Testing vfprintf) : basic functionality - using hexadecimal format ***\n";
+
+// Initialising different format strings
+$format = "format";
+$format1 = "%x";
+$format2 = "%x %x";
+$format3 = "%x %x %x";
+
+$format11 = "%X";
+$format22 = "%X %X";
+$format33 = "%X %X %X";
+
+$arg1 = array(11);
+$arg2 = array(11,132);
+$arg3 = array(11,132,177);
+
+/* creating dumping file */
+$data_file = __DIR__ . '/vfprintf_basic9.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+vfprintf($fp, $format1, $arg1);
+fprintf($fp, "\n");
+vfprintf($fp, $format11, $arg1);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format2, $arg2);
+fprintf($fp, "\n");
+vfprintf($fp, $format22, $arg2);
+fprintf($fp, "\n");
+
+vfprintf($fp, $format3, $arg3);
+fprintf($fp, "\n");
+vfprintf($fp, $format33, $arg3);
+fprintf($fp, "\n");
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+
+unlink($data_file);
+?>
+--EXPECT--
+*** Testing vfprintf) : basic functionality - using hexadecimal format ***
+b
+B
+b 84
+B 84
+b 84 b1
+B 84 B1
diff --git a/tests/std/strings/vfprintf_error1.phpt b/tests/std/strings/vfprintf_error1.phpt
new file mode 100644
index 00000000..93b20a6c
--- /dev/null
+++ b/tests/std/strings/vfprintf_error1.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test vfprintf() function : error conditions (more than expected arguments)
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--INI--
+precision=14
+--FILE--
+<?php
+// Open handle
+$file = 'vfprintf_error1.txt';
+$fp = fopen( $file, "a+" );
+
+echo "\n-- Testing vfprintf() function with more than expected no. of arguments --\n";
+$format = 'string_val';
+$args = array( 1, 2 );
+$extra_arg = 10;
+try {
+    var_dump( vfprintf( $fp, $format, $args, $extra_arg ) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( vfprintf( $fp, "Foo %d", array(6), "bar" ) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+// Close handle
+fclose($fp);
+
+?>
+--CLEAN--
+<?php
+
+$file = 'vfprintf_error1.txt';
+unlink( $file );
+
+?>
+--EXPECT--
+-- Testing vfprintf() function with more than expected no. of arguments --
+vfprintf() expects exactly 3 arguments, 4 given
+vfprintf() expects exactly 3 arguments, 4 given
diff --git a/tests/std/strings/vfprintf_error3.phpt b/tests/std/strings/vfprintf_error3.phpt
new file mode 100644
index 00000000..24991552
--- /dev/null
+++ b/tests/std/strings/vfprintf_error3.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test vfprintf() function : error conditions (wrong argument types)
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--INI--
+precision=14
+--FILE--
+<?php
+// Open handle
+$file = 'vfprintf_error3.txt';
+$fp = fopen( $file, "a+" );
+
+echo "\n-- Testing vfprintf() function with wrong variable types as argument --\n";
+try {
+  vfprintf($fp, array( 'foo %d', 'bar %s' ), 3.55552);
+} catch (TypeError $exception) {
+  echo $exception->getMessage() . "\n";
+}
+
+try {
+    vfprintf($fp, "Foo: %s", "not available");
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+try {
+    vfprintf($fp, "Foo %y fake", ["not available"]);
+} catch (ValueError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+rewind( $fp );
+var_dump( stream_get_contents( $fp ) );
+ftruncate( $fp, 0 );
+rewind( $fp );
+
+// Close handle
+fclose( $fp );
+
+?>
+--CLEAN--
+<?php
+
+$file = 'vfprintf_error3.txt';
+unlink( $file );
+
+?>
+--EXPECT--
+-- Testing vfprintf() function with wrong variable types as argument --
+vfprintf(): Argument #2 ($format) must be of type string, array given
+vfprintf(): Argument #3 ($values) must be of type array, string given
+Unknown format specifier "y"
+string(0) ""
diff --git a/tests/std/strings/vfprintf_error4.phpt b/tests/std/strings/vfprintf_error4.phpt
new file mode 100644
index 00000000..7c4578ee
--- /dev/null
+++ b/tests/std/strings/vfprintf_error4.phpt
@@ -0,0 +1,38 @@
+--TEST--
+Test vfprintf() function : error conditions (various conditions)
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--INI--
+precision=14
+--FILE--
+<?php
+// Open handle
+$file = 'vfprintf_error4.txt';
+$fp = fopen( $file, "a+" );
+
+echo "\n-- Testing vfprintf() function with other strangeties  --\n";
+try {
+    var_dump( vfprintf( 'foo', 'bar', array( 'baz' ) ) );
+} catch (TypeError $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    var_dump( vfprintf( $fp, 'Foo %$c-0202Sd', array( 2 ) ) );
+} catch(\ValueError $e) {
+    print('Error found: '.$e->getMessage().".\n");
+}
+// Close handle
+fclose( $fp );
+
+?>
+--CLEAN--
+<?php
+
+$file = 'vfprintf_error4.txt';
+unlink( $file );
+
+?>
+--EXPECT--
+-- Testing vfprintf() function with other strangeties  --
+vfprintf(): Argument #1 ($stream) must be of type resource, string given
+Error found: Argument number specifier must be greater than zero and less than 2147483647.
diff --git a/tests/std/strings/vfprintf_variation1.phpt b/tests/std/strings/vfprintf_variation1.phpt
new file mode 100644
index 00000000..89d07662
--- /dev/null
+++ b/tests/std/strings/vfprintf_variation1.phpt
@@ -0,0 +1,79 @@
+--TEST--
+Test vfprintf() function : variation functionality
+--SKIPIF--
+<?php
+echo 'skip AOT limitation';
+?>
+--CREDITS--
+Felix De Vliegher <felix.devliegher@gmail.com>
+--INI--
+precision=14
+--FILE--
+<?php
+echo "*** Testing vfprintf() : variation functionality ***\n";
+
+// Open handle
+$file = 'vfprintf_variation1.txt';
+$fp = fopen( $file, 'a+' );
+
+$funset = fopen( __FILE__, 'r' );
+unset( $funset );
+
+class FooClass
+{
+    public function __toString()
+    {
+        return "Object";
+    }
+}
+
+// Output facilitating function
+function writeAndDump($fp, $format, $args)
+{
+    try {
+        ftruncate( $fp, 0 );
+        $length = vfprintf( $fp, $format, $args );
+        rewind( $fp );
+        $content = stream_get_contents( $fp );
+        var_dump( $content );
+        var_dump( $length );
+    } catch (TypeError $exception) {
+        echo $exception->getMessage() . "\n";
+    }
+}
+
+// Test vfprintf()
+writeAndDump( $fp, "format", null );
+writeAndDump( $fp, "Foo is %d and %s", array( 30, 'bar' ) );
+writeAndDump( $fp, "Foobar testing", array() );
+writeAndDump( $fp, "%s %s %s", array( 'bar', 'bar', 'bar' ) );
+writeAndDump( $fp, "%02d", array( 50 ) );
+writeAndDump( $fp, "", array() );
+writeAndDump( $fp, "Testing %b %d %f %o %s %x %X", array( 9, 6, 2.5502, 24, "foobar", 15, 65 ) );
+
+// Close handle
+fclose( $fp );
+
+?>
+--CLEAN--
+<?php
+
+$file = 'vfprintf_variation1.txt';
+unlink( $file );
+
+?>
+--EXPECT--
+*** Testing vfprintf() : variation functionality ***
+vfprintf(): Argument #3 ($values) must be of type array, null given
+string(17) "Foo is 30 and bar"
+int(17)
+string(14) "Foobar testing"
+int(14)
+string(11) "bar bar bar"
+int(11)
+string(2) "50"
+int(2)
+string(0) ""
+int(0)
+string(38) "Testing 1001 6 2.550200 30 foobar f 41"
+int(38)
diff --git a/tests/std/strings/vprintf_basic1.phpt b/tests/std/strings/vprintf_basic1.phpt
new file mode 100644
index 00000000..c7b09c01
--- /dev/null
+++ b/tests/std/strings/vprintf_basic1.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Test vprintf() function : basic functionality - string format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using string format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%s";
+$format2 = "%s %s";
+$format3 = "%s %s %s";
+$arg1 = array("one");
+$arg2 = array("one","two");
+$arg3 = array("one","two","three");
+
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using string format ***
+one
+int(3)
+one two
+int(7)
+one two three
+int(13)
diff --git a/tests/std/strings/vprintf_basic2.phpt b/tests/std/strings/vprintf_basic2.phpt
new file mode 100644
index 00000000..e7b7f037
--- /dev/null
+++ b/tests/std/strings/vprintf_basic2.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test vprintf() function : basic functionality - integer format
+--FILE--
+<?php
+/*
+ *  Testing vprintf() : basic functionality - using integer format
+*/
+
+echo "*** Testing vprintf() : basic functionality - using integer format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%d";
+$format2 = "%d %d";
+$format3 = "%d %d %d";
+$arg1 = array(111);
+$arg2 = array(111,222);
+$arg3 = array(111,222,333);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using integer format ***
+111
+int(3)
+111 222
+int(7)
+111 222 333
+int(11)
diff --git a/tests/std/strings/vprintf_basic3.phpt b/tests/std/strings/vprintf_basic3.phpt
new file mode 100644
index 00000000..d585cf3b
--- /dev/null
+++ b/tests/std/strings/vprintf_basic3.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test vprintf() function : basic functionality - float format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using float format ***\n";
+
+// Initialise all required variables
+
+$format = "format";
+$format1 = "%f";
+$format2 = "%f %f";
+$format3 = "%f %f %f";
+
+$format11 = "%F";
+$format22 = "%F %F";
+$format33 = "%F %F %F";
+$arg1 = array(11.11);
+$arg2 = array(11.11,22.22);
+$arg3 = array(11.11,22.22,33.33);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format11,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format22,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format33,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using float format ***
+11.110000
+int(9)
+11.110000
+int(9)
+11.110000 22.220000
+int(19)
+11.110000 22.220000
+int(19)
+11.110000 22.220000 33.330000
+int(29)
+11.110000 22.220000 33.330000
+int(29)
diff --git a/tests/std/strings/vprintf_basic4.phpt b/tests/std/strings/vprintf_basic4.phpt
new file mode 100644
index 00000000..d0a30439
--- /dev/null
+++ b/tests/std/strings/vprintf_basic4.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test vprintf() function : basic functionality - bool format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using bool format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%b";
+$format2 = "%b %b";
+$format3 = "%b %b %b";
+$arg1 = array(TRUE);
+$arg2 = array(TRUE,FALSE);
+$arg3 = array(TRUE,FALSE,TRUE);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using bool format ***
+1
+int(1)
+1 0
+int(3)
+1 0 1
+int(5)
diff --git a/tests/std/strings/vprintf_basic5.phpt b/tests/std/strings/vprintf_basic5.phpt
new file mode 100644
index 00000000..56206a55
--- /dev/null
+++ b/tests/std/strings/vprintf_basic5.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test vprintf() function : basic functionality - char format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using char format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%c";
+$format2 = "%c %c";
+$format3 = "%c %c %c";
+$arg1 = array(65);
+$arg2 = array(65,66);
+$arg3 = array(65,66,67);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using char format ***
+A
+int(1)
+A B
+int(3)
+A B C
+int(5)
diff --git a/tests/std/strings/vprintf_basic6.phpt b/tests/std/strings/vprintf_basic6.phpt
new file mode 100644
index 00000000..6d290ab0
--- /dev/null
+++ b/tests/std/strings/vprintf_basic6.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test vprintf() function : basic functionality - exponential format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using exponential format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%e";
+$format2 = "%e %e";
+$format3 = "%e %e %e";
+$arg1 = array(1000);
+$arg2 = array(1000,2000);
+$arg3 = array(1000,2000,3000);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using exponential format ***
+1.000000e+3
+int(11)
+1.000000e+3 2.000000e+3
+int(23)
+1.000000e+3 2.000000e+3 3.000000e+3
+int(35)
diff --git a/tests/std/strings/vprintf_basic7.phpt b/tests/std/strings/vprintf_basic7.phpt
new file mode 100644
index 00000000..e515edac
--- /dev/null
+++ b/tests/std/strings/vprintf_basic7.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test vprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using unsigned format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = array(-1111);
+$arg2 = array(-1111,-1234567);
+$arg3 = array(-1111,-1234567,-2345432);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using unsigned format ***
+4294966185
+int(10)
+4294966185 4293732729
+int(21)
+4294966185 4293732729 4292621864
+int(32)
diff --git a/tests/std/strings/vprintf_basic7_64bit.phpt b/tests/std/strings/vprintf_basic7_64bit.phpt
new file mode 100644
index 00000000..7f2dd437
--- /dev/null
+++ b/tests/std/strings/vprintf_basic7_64bit.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test vprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using unsigned format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = array(-1111);
+$arg2 = array(-1111,-1234567);
+$arg3 = array(-1111,-1234567,-2345432);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using unsigned format ***
+18446744073709550505
+int(20)
+18446744073709550505 18446744073708317049
+int(41)
+18446744073709550505 18446744073708317049 18446744073707206184
+int(62)
diff --git a/tests/std/strings/vprintf_basic8.phpt b/tests/std/strings/vprintf_basic8.phpt
new file mode 100644
index 00000000..95de8557
--- /dev/null
+++ b/tests/std/strings/vprintf_basic8.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test vprintf() function : basic functionality - octal format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using octal format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%o";
+$format2 = "%o %o";
+$format3 = "%o %o %o";
+$arg1 = array(021);
+$arg2 = array(021,0347);
+$arg3 = array(021,0347,0567);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using octal format ***
+21
+int(2)
+21 347
+int(6)
+21 347 567
+int(10)
diff --git a/tests/std/strings/vprintf_basic9.phpt b/tests/std/strings/vprintf_basic9.phpt
new file mode 100644
index 00000000..5e33b080
--- /dev/null
+++ b/tests/std/strings/vprintf_basic9.phpt
@@ -0,0 +1,55 @@
+--TEST--
+Test vprintf() function : basic functionality - hexadecimal format
+--FILE--
+<?php
+echo "*** Testing vprintf() : basic functionality - using hexadecimal format ***\n";
+
+// Initialising different format strings
+$format = "format";
+$format1 = "%x";
+$format2 = "%x %x";
+$format3 = "%x %x %x";
+
+$format11 = "%X";
+$format22 = "%X %X";
+$format33 = "%X %X %X";
+
+$arg1 = array(11);
+$arg2 = array(11,132);
+$arg3 = array(11,132,177);
+
+$result = vprintf($format1,$arg1);
+echo "\n";
+var_dump($result);
+$result = vprintf($format11,$arg1);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format2,$arg2);
+echo "\n";
+var_dump($result);
+$result = vprintf($format22,$arg2);
+echo "\n";
+var_dump($result);
+
+$result = vprintf($format3,$arg3);echo "\n";
+var_dump($result);
+$result = vprintf($format33,$arg3);
+echo "\n";
+var_dump($result);
+
+?>
+--EXPECT--
+*** Testing vprintf() : basic functionality - using hexadecimal format ***
+b
+int(1)
+B
+int(1)
+b 84
+int(4)
+B 84
+int(4)
+b 84 b1
+int(7)
+B 84 B1
+int(7)
diff --git a/tests/std/strings/vprintf_variation10.phpt b/tests/std/strings/vprintf_variation10.phpt
new file mode 100644
index 00000000..26282b73
--- /dev/null
+++ b/tests/std/strings/vprintf_variation10.phpt
@@ -0,0 +1,119 @@
+--TEST--
+Test vprintf() function : usage variations - char formats with non-char values
+--FILE--
+<?php
+/* Prototype  : string vprintf(string format, array args)
+ * Description: Output a formatted string
+ * Source code: ext/standard/formatted_print.c
+*/
+
+/*
+ * Test vprintf() when different char formats and non-char values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : char formats and non-char values ***\n";
+
+// defining an array of various char formats
+$formats =
+  '%c %+c %-c
+   %lc %4c %-4c
+   %10.4c %-10.4c %04c %04.4c
+   %\'10c %\'10c %\'$10c %\'_10c
+   %3$c %4$c %1$c %2$c';
+
+// Arrays of non char values for the format defined in $format.
+// Each sub array contains non char values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(65.8, -65.8, +66.8,
+        93.2, 126.8, -126.49,
+        35.44, -35.68, 32.99, -32.00,
+        -61.51, 61.51, 50.49, -54.50,
+        83.33, +84.44, 81.11, 82.22),
+
+  // array of int values
+  array(65, -65, +66,
+        169, 126, -126,
+        35, -35, 32, -32,
+        -61, 61, 50, -54,
+        83, +84, 81, 82),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", '0123456hello', 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different char formats from the above $format array
+// and with non-char values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : char formats and non-char values ***
+
+-- Iteration 1 --
+A ¿ B
+   ] ~ ‚
+   # Ý   à
+   Ã = 2 Ê
+   B ] A ¿
+int(47)
+
+-- Iteration 2 --
+A ¿ B
+   © ~ ‚
+   # Ý   à
+   Ã = 2 Ê
+   B © A ¿
+int(47)
+
+-- Iteration 3 --
+%0 %0 %0
+   { … {
+   %0 %0 @ %0
+   Ò %0 %0 %0
+   %0 { %0 %0
+int(47)
+
+-- Iteration 4 --
+
 
 

+   
 
 

+   
 
 
 

+   
 
 
 

+   
 
 
 

+int(47)
+
+-- Iteration 5 --
+
 
 %0
+   
 %0 

+   
 %0 
 %0
+   %0 
 
 %0
+   %0 
 
 

+int(47)
diff --git a/tests/std/strings/vprintf_variation11.phpt b/tests/std/strings/vprintf_variation11.phpt
new file mode 100644
index 00000000..2926c62a
--- /dev/null
+++ b/tests/std/strings/vprintf_variation11.phpt
@@ -0,0 +1,87 @@
+--TEST--
+Test vprintf() function : usage variations - octal formats with octal values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different octal formats and octal values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : octal formats with octal values ***\n";
+
+// defining array of octal formats
+$formats = array(
+  "%o",
+  "%+o %-o",
+  "%lo %4o %-4o",
+  "%10.4o %-10.4o %04o %04.4o",
+  "%'#2o %'2o %'$2o %'_2o",
+  "%o %o %o %o",
+  "%% %%o",
+  '%3$o %4$o %1$o %2$o'
+);
+
+// Arrays of octal values for the format defined in $format.
+// Each sub array contains octal values which correspond to each format string in $format
+$args_array = array(
+  array(00),
+  array(-01, 01),
+  array(-020000000000, 017777777777, -017777777777),
+  array(0123456, 01234567, -01234567, 01234567),
+  array(0111, 02222, -0333333, -044444444),
+  array(0x123b, 0xfAb, 0123, 012),
+  array(01234, 0567),
+  array(03, 04, 01, 02)
+
+);
+
+// looping to test vprintf() with different octal formats from the above $formats array
+// and with octal values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : octal formats with octal values ***
+
+-- Iteration 1 --
+0
+int(1)
+
+-- Iteration 2 --
+37777777777 1
+int(13)
+
+-- Iteration 3 --
+20000000000 17777777777 20000000001
+int(35)
+
+-- Iteration 4 --
+                      37776543211 0000
+int(38)
+
+-- Iteration 5 --
+111 2222 37777444445 37733333334
+int(32)
+
+-- Iteration 6 --
+11073 7653 123 12
+int(17)
+
+-- Iteration 7 --
+% %o
+int(4)
+
+-- Iteration 8 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation11_64bit.phpt b/tests/std/strings/vprintf_variation11_64bit.phpt
new file mode 100644
index 00000000..d642613b
--- /dev/null
+++ b/tests/std/strings/vprintf_variation11_64bit.phpt
@@ -0,0 +1,87 @@
+--TEST--
+Test vprintf() function : usage variations - octal formats with octal values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different octal formats and octal values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : octal formats with octal values ***\n";
+
+// defining array of octal formats
+$formats = array(
+  "%o",
+  "%+o %-o",
+  "%lo %4o %-4o",
+  "%10.4o %-10.4o %04o %04.4o",
+  "%'#2o %'2o %'$2o %'_2o",
+  "%o %o %o %o",
+  "%% %%o",
+  '%3$o %4$o %1$o %2$o'
+);
+
+// Arrays of octal values for the format defined in $format.
+// Each sub array contains octal values which correspond to each format string in $format
+$args_array = array(
+  array(00),
+  array(-01, 01),
+  array(-020000000000, 017777777777, -017777777777),
+  array(0123456, 01234567, -01234567, 01234567),
+  array(0111, 02222, -0333333, -044444444),
+  array(0x123b, 0xfAb, 0123, 012),
+  array(01234, 0567),
+  array(03, 04, 01, 02)
+
+);
+
+// looping to test vprintf() with different octal formats from the above $formats array
+// and with octal values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : octal formats with octal values ***
+
+-- Iteration 1 --
+0
+int(1)
+
+-- Iteration 2 --
+1777777777777777777777 1
+int(24)
+
+-- Iteration 3 --
+1777777777760000000000 17777777777 1777777777760000000001
+int(57)
+
+-- Iteration 4 --
+                      1777777777777776543211 0000
+int(49)
+
+-- Iteration 5 --
+111 2222 1777777777777777444445 1777777777777733333334
+int(54)
+
+-- Iteration 6 --
+11073 7653 123 12
+int(17)
+
+-- Iteration 7 --
+% %o
+int(4)
+
+-- Iteration 8 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation12.phpt b/tests/std/strings/vprintf_variation12.phpt
new file mode 100644
index 00000000..f2e4270a
--- /dev/null
+++ b/tests/std/strings/vprintf_variation12.phpt
@@ -0,0 +1,124 @@
+--TEST--
+Test vprintf() function : usage variations - octal formats with non-octal values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different octal formats and non-octal values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : octal formats and non-octal values ***\n";
+
+// defining array of octal formats
+$formats =
+  '%o %+o %-o
+   %lo %4o %-4o
+   %10.4o %-10.4o %.4o
+   %\'#2o %\'2o %\'$2o %\'_2o
+   %3$o %4$o %1$o %2$o';
+
+// Arrays of non octal values for the format defined in $format.
+// Each sub array contains non octal values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2e10, +2e12, 22e+12,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of int values
+  array(2, -2, +2,
+        123456, -12346789, +12346789,
+        123200, +20000, 22212,
+        12345780, 1211111, -12111111, -12345634,
+        3, +4, 1,-2 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different octal formats from the above $format array
+// and with non-octal values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : octal formats and non-octal values ***
+
+-- Iteration 1 --
+
+Warning: The float 20000000000 is not representable as an int, cast occurred in %s on line %d
+
+Warning: The float 2000000000000 is not representable as an int, cast occurred in %s on line %d
+
+Warning: The float 22000000000000 is not representable as an int, cast occurred in %s on line %d
+2 0 12
+   361100 37777775456 2322
+                         
+   30071 14 37777777764 37777416700
+   12 361100 2 0
+int(112)
+
+-- Iteration 2 --
+2 37777777776 2
+   361100 37720715133 57062645
+                         
+   57060664 4475347 37721631371 37720717336
+   2 361100 2 37777777776
+int(142)
+
+-- Iteration 3 --
+0 0 0
+   173 37777777605 173 
+                         
+   2322 0 $0 _0
+   0 173 0 0
+int(84)
+
+-- Iteration 4 --
+1 1 1
+   1    1 1   
+                         
+   #1 1 $1 _1
+   1 1 1 1
+int(71)
+
+-- Iteration 5 --
+1 1 0
+   1    0 1   
+                         
+   #0 1 $1 _0
+   0 1 1 1
+int(71)
diff --git a/tests/std/strings/vprintf_variation12_64bit.phpt b/tests/std/strings/vprintf_variation12_64bit.phpt
new file mode 100644
index 00000000..e3eee126
--- /dev/null
+++ b/tests/std/strings/vprintf_variation12_64bit.phpt
@@ -0,0 +1,118 @@
+--TEST--
+Test vprintf() function : usage variations - octal formats with non-octal values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different octal formats and non-octal values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : octal formats and non-octal values ***\n";
+
+// defining array of octal formats
+$formats =
+    '%o %+o %-o
+    %lo %4o %-4o
+    %10.4o %-10.4o %.4o
+    %\'#2o %\'2o %\'$2o %\'_2o
+    %3$o %4$o %1$o %2$o';
+
+// Arrays of non octal values for the format defined in $format.
+// Each sub array contains non octal values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2e10, +2e12, 22e+12,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of int values
+  array(2, -2, +2,
+        123456, -12346789, +12346789,
+        123200, +20000, 22212,
+        12345780, 1211111, -12111111, -12345634,
+        3, +4, 1,-2 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different octal formats from the above $format array
+// and with non-octal values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : octal formats and non-octal values ***
+
+-- Iteration 1 --
+2 0 12
+    361100 1777777777777777775456 2322
+                          
+    30071 14 1777777777777777777764 1777777777777777416700
+    12 361100 2 0
+int(149)
+
+-- Iteration 2 --
+2 1777777777777777777776 2
+    361100 1777777777777720715133 57062645
+                          
+    57060664 4475347 1777777777777721631371 1777777777777720717336
+    2 361100 2 1777777777777777777776
+int(201)
+
+-- Iteration 3 --
+0 0 0
+    173 1777777777777777777605 173 
+                          
+    2322 0 $0 _0
+    0 173 0 0
+int(99)
+
+-- Iteration 4 --
+1 1 1
+    1    1 1   
+                          
+    #1 1 $1 _1
+    1 1 1 1
+int(75)
+
+-- Iteration 5 --
+1 1 0
+    1    0 1   
+                          
+    #0 1 $1 _0
+    0 1 1 1
+int(75)
diff --git a/tests/std/strings/vprintf_variation13.phpt b/tests/std/strings/vprintf_variation13.phpt
new file mode 100644
index 00000000..952115b2
--- /dev/null
+++ b/tests/std/strings/vprintf_variation13.phpt
@@ -0,0 +1,87 @@
+--TEST--
+Test vprintf() function : usage variations - hexa formats with hexa values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different hexa formats and hexa values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : hexa formats with hexa values ***\n";
+
+// defining array of different hexa formats
+$formats = array(
+  "%x",
+  "%+x %-x %X",
+  "%lx %4x %-4x",
+  "%10.4x %-10.4x %04x %04.4x",
+  "%'#2x %'2x %'$2x %'_2x",
+  "%x %x %x %x",
+  "% %%x",
+  '%3$x %4$x %1$x %2$x'
+);
+
+// Arrays of hexa values for the format defined in $format.
+// Each sub array contains hexa values which correspond to each format string in $format
+$args_array = array(
+  array(0x0),
+  array(-0x1, 0x1, +0x22),
+  array(0x7FFFFFFF, +0x7000000, -0x80000000),
+  array(123456, 12345678, -1234567, 1234567),
+  array(1, 0x2222, 0333333, -0x44444444),
+  array(0x123b, 0xfAb, "0xaxz", 012),
+  array(0x1234, 0x34, 0x2ff),
+  array(0x3, 0x4, 0x1, 0x2)
+
+);
+
+// looping to test vprintf() with different char octal from the above $format array
+// and with octal values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : hexa formats with hexa values ***
+
+-- Iteration 1 --
+0
+int(1)
+
+-- Iteration 2 --
+ffffffff 1 22
+int(13)
+
+-- Iteration 3 --
+7fffffff 7000000 80000000
+int(25)
+
+-- Iteration 4 --
+                      ffed2979 0000
+int(35)
+
+-- Iteration 5 --
+#1 2222 1b6db bbbbbbbc
+int(22)
+
+-- Iteration 6 --
+123b fab 0 a
+int(12)
+
+-- Iteration 7 --
+%34
+int(3)
+
+-- Iteration 8 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation13_64bit.phpt b/tests/std/strings/vprintf_variation13_64bit.phpt
new file mode 100644
index 00000000..881942e6
--- /dev/null
+++ b/tests/std/strings/vprintf_variation13_64bit.phpt
@@ -0,0 +1,87 @@
+--TEST--
+Test vprintf() function : usage variations - hexa formats with hexa values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different hexa formats and hexa values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : hexa formats with hexa values ***\n";
+
+// defining array of different hexa formats
+$formats = array(
+  "%x",
+  "%+x %-x %X",
+  "%lx %4x %-4x",
+  "%10.4x %-10.4x %04x %04.4x",
+  "%'#2x %'2x %'$2x %'_2x",
+  "%x %x %x %x",
+  "% %%x",
+  '%3$x %4$x %1$x %2$x'
+);
+
+// Arrays of hexa values for the format defined in $format.
+// Each sub array contains hexa values which correspond to each format string in $format
+$args_array = array(
+  array(0x0),
+  array(-0x1, 0x1, +0x22),
+  array(0x7FFFFFFF, +0x7000000, -0x80000000),
+  array(123456, 12345678, -1234567, 1234567),
+  array(1, 0x2222, 0333333, -0x44444444),
+  array(0x123b, 0xfAb, "0xaxz", 012),
+  array(0x1234, 0x34),
+  array(0x3, 0x4, 0x1, 0x2)
+
+);
+
+// looping to test vprintf() with different char octal from the above $format array
+// and with octal values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : hexa formats with hexa values ***
+
+-- Iteration 1 --
+0
+int(1)
+
+-- Iteration 2 --
+ffffffffffffffff 1 22
+int(21)
+
+-- Iteration 3 --
+7fffffff 7000000 ffffffff80000000
+int(33)
+
+-- Iteration 4 --
+                      ffffffffffed2979 0000
+int(43)
+
+-- Iteration 5 --
+#1 2222 1b6db ffffffffbbbbbbbc
+int(30)
+
+-- Iteration 6 --
+123b fab 0 a
+int(12)
+
+-- Iteration 7 --
+%34
+int(3)
+
+-- Iteration 8 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation14.phpt b/tests/std/strings/vprintf_variation14.phpt
new file mode 100644
index 00000000..4bda9591
--- /dev/null
+++ b/tests/std/strings/vprintf_variation14.phpt
@@ -0,0 +1,125 @@
+--TEST--
+Test vprintf() function : usage variations - hexa formats with non-hexa values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different hexa formats and non-hexa values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : hexa formats and non-hexa values ***\n";
+
+// defining array of different hexa formats
+$formats =
+  '%x %+x %-x
+   %lx x %4x %-4x
+   %10.4x %-10.4x %.4x
+   %\'#2x %\'2x %\'$2x %\'_2x
+   %3$x %4$x %1$x %2$x';
+
+// Arrays of non hexa values for the format defined in $format.
+// Each sub array contains non hexa values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2e10, +2e12, 22e+12,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of int values
+  array(2, -2, +2,
+        123456, -12346789, +12346789,
+        123200, +20000, 22212,
+        12345780, 1211111, -12111111, -12345634,
+        3, +4, 1,-2 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different hexa formats from the above $format array
+// and with non-hexa values from the above $args_array array
+
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : hexa formats and non-hexa values ***
+
+-- Iteration 1 --
+
+Warning: The float 20000000000 is not representable as an int, cast occurred in %s on line %d
+
+Warning: The float 2000000000000 is not representable as an int, cast occurred in %s on line %d
+
+Warning: The float 22000000000000 is not representable as an int, cast occurred in %s on line %d
+2 0 a
+   1e240 x fffffb2e 4d2 
+                         
+   3039 c fffffff4 fffe1dc0
+   a 1e240 2 0
+int(99)
+
+-- Iteration 2 --
+2 fffffffe 2
+   1e240 x ff439a5b bc65a5
+                         
+   bc61b4 127ae7 ff4732f9 ff439ede
+   2 1e240 2 fffffffe
+int(122)
+
+-- Iteration 3 --
+0 0 0
+   7b x ffffff85 7b  
+                         
+   4d2 0 $0 _0
+   0 7b 0 0
+int(80)
+
+-- Iteration 4 --
+1 1 1
+   1 x    1 1   
+                         
+   #1 1 $1 _1
+   1 1 1 1
+int(73)
+
+-- Iteration 5 --
+1 1 0
+   1 x    0 1   
+                         
+   #0 1 $1 _0
+   0 1 1 1
+int(73)
diff --git a/tests/std/strings/vprintf_variation14_64bit.phpt b/tests/std/strings/vprintf_variation14_64bit.phpt
new file mode 100644
index 00000000..91ef18a9
--- /dev/null
+++ b/tests/std/strings/vprintf_variation14_64bit.phpt
@@ -0,0 +1,119 @@
+--TEST--
+Test vprintf() function : usage variations - hexa formats with non-hexa values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different hexa formats and non-hexa values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : hexa formats and non-hexa values ***\n";
+
+// defining array of different hexa formats
+$formats =
+    '%x %+x %-x
+    %lx %4x %-4x
+    %10.4x %-10.4x %.4x
+    %\'#2x %\'2x %\'$2x %\'_2x
+    %3$x %4$x %1$x %2$x';
+
+// Arrays of non hexa values for the format defined in $format.
+// Each sub array contains non hexa values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2e10, +2e12, 22e+12,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of int values
+  array(2, -2, +2,
+        123456, -12346789, +12346789,
+        123200, +20000, 22212,
+        12345780, 1211111, -12111111, -12345634,
+        3, +4, 1,-2 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different hexa formats from the above $format array
+// and with non-hexa values from the above $args_array array
+
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : hexa formats and non-hexa values ***
+
+-- Iteration 1 --
+2 0 a
+    1e240 fffffffffffffb2e 4d2 
+                          
+    3039 c fffffffffffffff4 fffffffffffe1dc0
+    a 1e240 2 0
+int(125)
+
+-- Iteration 2 --
+2 fffffffffffffffe 2
+    1e240 ffffffffff439a5b bc65a5
+                          
+    bc61b4 127ae7 ffffffffff4732f9 ffffffffff439ede
+    2 1e240 2 fffffffffffffffe
+int(164)
+
+-- Iteration 3 --
+0 0 0
+    7b ffffffffffffff85 7b  
+                          
+    4d2 0 $0 _0
+    0 7b 0 0
+int(90)
+
+-- Iteration 4 --
+1 1 1
+    1    1 1   
+                          
+    #1 1 $1 _1
+    1 1 1 1
+int(75)
+
+-- Iteration 5 --
+1 1 0
+    1    0 1   
+                          
+    #0 1 $1 _0
+    0 1 1 1
+int(75)
diff --git a/tests/std/strings/vprintf_variation15.phpt b/tests/std/strings/vprintf_variation15.phpt
new file mode 100644
index 00000000..2eda443e
--- /dev/null
+++ b/tests/std/strings/vprintf_variation15.phpt
@@ -0,0 +1,72 @@
+--TEST--
+Test vprintf() function : usage variations - unsigned formats with unsigned values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different unsigned formats and unsigned values
+ * are passed to the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : unsigned formats and unsigned values ***\n";
+
+// defining array of unsigned formats
+$formats = array(
+  '%u %+u %-u',
+  '%lu %4u %-4u',
+  '%10.4u %-10.4u %.4u',
+  '%\'#2u %\'2u %\'$2u %\'_2u',
+  '%3$u %4$u %1$u %2$u'
+);
+
+// Arrays of unsigned values for the format defined in $format.
+// Each sub array contains unsigned values which correspond to each format string in $format
+$args_array = array(
+  array(1234567, 01234567, 0 ),
+  array(12345678900, 1234, 12345),
+  array("1234000", 10.1234567e10, 1.2e2),
+  array(1, 0, 00, "10_"),
+  array(3, 4, 1, 2)
+);
+
+// looping to test vprintf() with different unsigned formats from the above $format array
+// and with signed and other types of  values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : unsigned formats and unsigned values ***
+
+-- Iteration 1 --
+1234567 342391 0
+int(16)
+
+-- Iteration 2 --
+
+Warning: The float 12345678900 is not representable as an int, cast occurred in %s on line %d
+3755744308 1234 12345
+int(21)
+
+-- Iteration 3 --
+
+Warning: The float 101234567000 is not representable as an int, cast occurred in %s on line %d
+   1234000 2450319192 120
+int(25)
+
+-- Iteration 4 --
+#1 0 $0 10
+int(10)
+
+-- Iteration 5 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation15_64bit.phpt b/tests/std/strings/vprintf_variation15_64bit.phpt
new file mode 100644
index 00000000..55e2a2c2
--- /dev/null
+++ b/tests/std/strings/vprintf_variation15_64bit.phpt
@@ -0,0 +1,70 @@
+--TEST--
+Test vprintf() function : usage variations - unsigned formats with unsigned values
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different unsigned formats and unsigned values
+ * are passed to the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : unsigned formats and unsigned values ***\n";
+
+// defining array of unsigned formats
+$formats = array(
+  '%u %+u %-u',
+  '%lu %4u %-4u',
+  '%10.4u %-10.4u %.4u',
+  '%\'#2u %\'2u %\'$2u %\'_2u',
+  '%3$u %4$u %1$u %2$u'
+);
+
+// Arrays of unsigned values for the format defined in $format.
+// Each sub array contains unsigned values which correspond to each format string in $format
+$args_array = array(
+  array(1234567, 01234567, 0 ),
+  array(12345678900, 1234, 12345),
+  array("1234000", 10e20, 1.2e2),
+  array(1, 0, 00, "10_"),
+  array(3, 4, 1, 2)
+);
+
+// looping to test vprintf() with different unsigned formats from the above $format array
+// and with signed and other types of  values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result =  vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : unsigned formats and unsigned values ***
+
+-- Iteration 1 --
+1234567 342391 0
+int(16)
+
+-- Iteration 2 --
+12345678900 1234 12345
+int(22)
+
+-- Iteration 3 --
+
+Warning: The float 1.0E+21 is not representable as an int, cast occurred in %s on line %d
+   1234000 3875820019684212736 120
+int(34)
+
+-- Iteration 4 --
+#1 0 $0 10
+int(10)
+
+-- Iteration 5 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation16.phpt b/tests/std/strings/vprintf_variation16.phpt
new file mode 100644
index 00000000..c064b7c4
--- /dev/null
+++ b/tests/std/strings/vprintf_variation16.phpt
@@ -0,0 +1,108 @@
+--TEST--
+Test vprintf() function : usage variations - unsigned formats with signed and other types of values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different unsigned formats and signed values and other types of values
+ * are passed to the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : unsigned formats and signed & other types of values ***\n";
+
+// defining array of unsigned formats
+$formats =
+  '%u %+u %-u
+   %lu %4u %-4u
+   %10.4u %-10.4u %.4u
+   %\'#2u %\'2u %\'$2u %\'_2u
+   %3$u %4$u %1$u %2$u';
+
+// Arrays of signed and other type of values for the format defined in $format.
+// Each sub array contains signed values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(+2.2, +.2, +10.2,
+        +123456.234, +123456.234, +1234.6789,
+        +2e10, +2e12, +22e+12,
+        +12345.780, +12.000000011111, -12.00000111111, -123456.234,
+        +3.33, +4.44, +1.11,-2.22 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different unsigned formats from the above $format array
+// and with signed and other types of  values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+?>
+--EXPECTF--
+*** Testing vprintf() : unsigned formats and signed & other types of values ***
+
+-- Iteration 1 --
+
+Warning: The float 20000000000 is not representable as an int, cast occurred in %s on line %d
+
+Warning: The float 2000000000000 is not representable as an int, cast occurred in %s on line %d
+
+Warning: The float 22000000000000 is not representable as an int, cast occurred in %s on line %d
+2 0 10
+   123456 123456 1234
+   2820130816 2840207360 1177509888
+   12345 12 4294967284 4294843840
+   10 123456 2 0
+int(115)
+
+-- Iteration 2 --
+0 0 0
+   123 4294967173 123 
+            0 0          0
+   1234 0 $0 _0
+   0 123 0 0
+int(84)
+
+-- Iteration 3 --
+1 1 1
+   1    1 1   
+            1 1          1
+   #1 1 $1 _1
+   1 1 1 1
+int(72)
+
+-- Iteration 4 --
+1 1 0
+   1    0 1   
+            1 1          0
+   #0 1 $1 _0
+   0 1 1 1
+int(72)
diff --git a/tests/std/strings/vprintf_variation16_64bit.phpt b/tests/std/strings/vprintf_variation16_64bit.phpt
new file mode 100644
index 00000000..9ea63998
--- /dev/null
+++ b/tests/std/strings/vprintf_variation16_64bit.phpt
@@ -0,0 +1,103 @@
+--TEST--
+Test vprintf() function : usage variations - unsigned formats with signed and other types of values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different unsigned formats and signed values and other types of values
+ * are passed to the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : unsigned formats and signed & other types of values ***\n";
+
+// defining array of unsigned formats
+$formats =
+    '%u %+u %-u
+    %lu %4u %-4u
+    %10.4u %-10.4u %.4u
+    %\'#2u %\'2u %\'$2u %\'_2u
+    %3$u %4$u %1$u %2$u';
+
+// Arrays of signed and other type of values for the format defined in $format.
+// Each sub array contains signed values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(+2.2, +.2, +10.2,
+        +123456.234, +123456.234, +1234.6789,
+        +2e10, +2e12, +22e+12,
+        +12345.780, +12.000000011111, -12.00000111111, -123456.234,
+        +3.33, +4.44, +1.11,-2.22 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different unsigned formats from the above $format array
+// and with signed and other types of  values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : unsigned formats and signed & other types of values ***
+
+-- Iteration 1 --
+2 0 10
+    123456 123456 1234
+    20000000000 2000000000000 22000000000000
+    12345 12 18446744073709551604 18446744073709428160
+    10 123456 2 0
+int(147)
+
+-- Iteration 2 --
+0 0 0
+    123 18446744073709551493 123 
+             0 0          0
+    1234 0 $0 _0
+    0 123 0 0
+int(98)
+
+-- Iteration 3 --
+1 1 1
+    1    1 1   
+             1 1          1
+    #1 1 $1 _1
+    1 1 1 1
+int(76)
+
+-- Iteration 4 --
+1 1 0
+    1    0 1   
+             1 1          0
+    #0 1 $1 _0
+    0 1 1 1
+int(76)
diff --git a/tests/std/strings/vprintf_variation17.phpt b/tests/std/strings/vprintf_variation17.phpt
new file mode 100644
index 00000000..f4660fcb
--- /dev/null
+++ b/tests/std/strings/vprintf_variation17.phpt
@@ -0,0 +1,64 @@
+--TEST--
+Test vsprintf() function : usage variations - scientific formats with scientific values
+--FILE--
+<?php
+/*
+ * Test vprintf() when different scientific formats and scientific values
+ * are passed to the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : scientific formats and scientific values ***\n";
+
+// defining array of scientific formats
+$formats = array(
+  '%e %+e %-e',
+  '%le %4e %-4e',
+  '%10.4e %-10.4e %.4e',
+  '%\'#20e %\'20e %\'$20e %\'_20e',
+  '%3$e %4$e %1$e %2$e'
+);
+
+// Arrays of scientific values for the format defined in $format.
+// Each sub array contains scientific values which correspond to each format string in $format
+$args_array = array(
+  array(0, 1e0, "10e2" ),
+  array(2.2e2, 1000e-2, 1000e7),
+  array(-22e12, 10e20, 1.2e2),
+  array(1e1, +1e2, -1e3, "1e2_"),
+  array(3e3, 4e3, 1e3, 2e3)
+);
+
+// looping to test vprintf() with different scientific formats from the above $format array
+// and with signed and other types of  values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : scientific formats and scientific values ***
+
+-- Iteration 1 --
+0.000000e+0 +1.000000e+0 1.000000e+3
+int(36)
+
+-- Iteration 2 --
+2.200000e+2 1.000000e+1 1.000000e+10
+int(36)
+
+-- Iteration 3 --
+-2.2000e+13 1.0000e+21 1.2000e+2
+int(32)
+
+-- Iteration 4 --
+#########1.000000e+1 1.000000e+2 $$$$$$$$-1.000000e+3 _________1.000000e+2
+int(74)
+
+-- Iteration 5 --
+1.000000e+3 2.000000e+3 3.000000e+3 4.000000e+3
+int(47)
diff --git a/tests/std/strings/vprintf_variation18.phpt b/tests/std/strings/vprintf_variation18.phpt
new file mode 100644
index 00000000..e082fbcc
--- /dev/null
+++ b/tests/std/strings/vprintf_variation18.phpt
@@ -0,0 +1,103 @@
+--TEST--
+Test vprintf() function : usage variations - scientific formats with non-scientific values
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different scientific formats and non-scientific values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : scientific formats and non-scientific values ***\n";
+
+// defining array of non-scientific formats
+$formats =
+    '%e %+e %-e
+    %le %4e %-4e
+    %10.4e %-10.4e %04e %04.4e
+    %\'#2e %\'2e %\'$2e %\'_2e
+    %3$e %4$e %1$e %2$e';
+
+// Arrays of non scientific values for the format defined in $format.
+// Each sub array contains non scientific values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        20.00, +212.2, -411000000000, 2212.000000000001,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", '0123456hello', 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different scientific formats from the above $format array
+// and with non-scientific values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : scientific formats and non-scientific values ***
+
+-- Iteration 1 --
+2.200000e+0 +2.000000e-1 1.020000e+1
+    1.234562e+5 -1.234679e+3 1.234679e+3
+     2.0000e+1 2.1220e+2  -4.110000e+11 2.2120e+3
+    1.234578e+4 1.200000e+1 -1.200000e+1 -1.234562e+5
+    1.020000e+1 1.234562e+5 2.200000e+0 2.000000e-1
+int(233)
+
+-- Iteration 2 --
+0.000000e+0 +0.000000e+0 0.000000e+0
+    1.230000e+2 -1.230000e+2 1.230000e+2
+     0.0000e+0 0.0000e+0  1.234560e+5 0.0000e+0
+    1.234000e+3 0.000000e+0 0.000000e+0 0.000000e+0
+    0.000000e+0 1.230000e+2 0.000000e+0 0.000000e+0
+int(229)
+
+-- Iteration 3 --
+1.000000e+0 +1.000000e+0 1.000000e+0
+    1.000000e+0 1.000000e+0 1.000000e+0
+     1.0000e+0 1.0000e+0  1.000000e+0 1.0000e+0
+    1.000000e+0 1.000000e+0 1.000000e+0 1.000000e+0
+    1.000000e+0 1.000000e+0 1.000000e+0 1.000000e+0
+int(228)
+
+-- Iteration 4 --
+1.000000e+0 +1.000000e+0 0.000000e+0
+    1.000000e+0 0.000000e+0 1.000000e+0
+     1.0000e+0 0.0000e+0  1.000000e+0 0.0000e+0
+    0.000000e+0 1.000000e+0 1.000000e+0 0.000000e+0
+    0.000000e+0 1.000000e+0 1.000000e+0 1.000000e+0
+int(228)
diff --git a/tests/std/strings/vprintf_variation19.phpt b/tests/std/strings/vprintf_variation19.phpt
new file mode 100644
index 00000000..d4f30ece
--- /dev/null
+++ b/tests/std/strings/vprintf_variation19.phpt
@@ -0,0 +1,97 @@
+--TEST--
+Test vprintf() function : usage variations - with whitespaces in format strings
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vprintf() : with  white spaces in format strings ***\n";
+
+// initializing the format array
+$formats = array(
+  "% d  %  d  %   d",
+  "% f  %  f  %   f",
+  "% F  %  F  %   F",
+  "% b  %  b  %   b",
+  "% c  %  c  %   c",
+  "% e  %  e  %   e",
+  "% u  %  u  %   u",
+  "% o  %  o  %   o",
+  "% x  %  x  %   x",
+  "% X  %  X  %   X",
+  "% E  %  E  %   E"
+);
+
+// initializing the args array
+
+$args_array = array(
+  array(111, 222, 333),
+  array(1.1, .2, -0.6),
+  array(1.12, -1.13, +0.23),
+  array(1, 2, 3),
+  array(65, 66, 67),
+  array(2e1, 2e-1, -2e1),
+  array(-11, +22, 33),
+  array(012, -023, +023),
+  array(0x11, -0x22, +0x33),
+  array(0x11, -0x22, +0x33),
+  array(2e1, 2e-1, -2e1)
+);
+
+$counter = 1;
+foreach($formats as $format) {
+  echo"\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : with  white spaces in format strings ***
+
+-- Iteration 1 --
+111  222  333
+int(13)
+
+-- Iteration 2 --
+1.100000  0.200000  -0.600000
+int(29)
+
+-- Iteration 3 --
+1.120000  -1.130000  0.230000
+int(29)
+
+-- Iteration 4 --
+1  10  11
+int(9)
+
+-- Iteration 5 --
+A  B  C
+int(7)
+
+-- Iteration 6 --
+2.000000e+1  2.000000e-1  -2.000000e+1
+int(38)
+
+-- Iteration 7 --
+4294967285  22  33
+int(18)
+
+-- Iteration 8 --
+12  37777777755  23
+int(19)
+
+-- Iteration 9 --
+11  ffffffde  33
+int(16)
+
+-- Iteration 10 --
+11  FFFFFFDE  33
+int(16)
+
+-- Iteration 11 --
+2.000000E+1  2.000000E-1  -2.000000E+1
+int(38)
diff --git a/tests/std/strings/vprintf_variation19_64bit.phpt b/tests/std/strings/vprintf_variation19_64bit.phpt
new file mode 100644
index 00000000..672ac62e
--- /dev/null
+++ b/tests/std/strings/vprintf_variation19_64bit.phpt
@@ -0,0 +1,97 @@
+--TEST--
+Test vprintf() function : usage variations - with whitespaces in format strings
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vprintf() : with  white spaces in format strings ***\n";
+
+// initializing the format array
+$formats = array(
+  "% d  %  d  %   d",
+  "% f  %  f  %   f",
+  "% F  %  F  %   F",
+  "% b  %  b  %   b",
+  "% c  %  c  %   c",
+  "% e  %  e  %   e",
+  "% u  %  u  %   u",
+  "% o  %  o  %   o",
+  "% x  %  x  %   x",
+  "% X  %  X  %   X",
+  "% E  %  E  %   E"
+);
+
+// initializing the args array
+
+$args_array = array(
+  array(111, 222, 333),
+  array(1.1, .2, -0.6),
+  array(1.12, -1.13, +0.23),
+  array(1, 2, 3),
+  array(65, 66, 67),
+  array(2e1, 2e-1, -2e1),
+  array(-11, +22, 33),
+  array(012, -023, +023),
+  array(0x11, -0x22, +0x33),
+  array(0x11, -0x22, +0x33),
+  array(2e1, 2e-1, -2e1)
+);
+
+$counter = 1;
+foreach($formats as $format) {
+  echo"\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : with  white spaces in format strings ***
+
+-- Iteration 1 --
+111  222  333
+int(13)
+
+-- Iteration 2 --
+1.100000  0.200000  -0.600000
+int(29)
+
+-- Iteration 3 --
+1.120000  -1.130000  0.230000
+int(29)
+
+-- Iteration 4 --
+1  10  11
+int(9)
+
+-- Iteration 5 --
+A  B  C
+int(7)
+
+-- Iteration 6 --
+2.000000e+1  2.000000e-1  -2.000000e+1
+int(38)
+
+-- Iteration 7 --
+18446744073709551605  22  33
+int(28)
+
+-- Iteration 8 --
+12  1777777777777777777755  23
+int(30)
+
+-- Iteration 9 --
+11  ffffffffffffffde  33
+int(24)
+
+-- Iteration 10 --
+11  FFFFFFFFFFFFFFDE  33
+int(24)
+
+-- Iteration 11 --
+2.000000E+1  2.000000E-1  -2.000000E+1
+int(38)
diff --git a/tests/std/strings/vprintf_variation2.phpt b/tests/std/strings/vprintf_variation2.phpt
new file mode 100644
index 00000000..d96d108b
--- /dev/null
+++ b/tests/std/strings/vprintf_variation2.phpt
@@ -0,0 +1,172 @@
+--TEST--
+Test vprintf() function : usage variations - unexpected values for args argument
+--SKIPIF--
+<?php
+echo 'skip AOT compiler requires __toString() to have explicit :string return type';
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different unexpected values are passed to
+ * the '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : with unexpected values for args argument ***\n";
+
+// initialising the required variables
+$format = '%s';
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// declaring a class
+class sample
+{
+  public function __toString() {
+  return "object";
+  }
+}
+
+// Defining resource
+$file_handle = fopen(__FILE__, 'r');
+
+
+//array of values to iterate over
+$values = array(
+
+          // int data
+/*1*/	  0,
+          1,
+          12345,
+          -2345,
+
+          // float data
+/*5*/	  10.5,
+          -10.5,
+          10.1234567e10,
+          10.7654321E-10,
+          .5,
+
+          // null data
+/*10*/	  NULL,
+          null,
+
+          // boolean data
+/*12*/	  true,
+          false,
+          TRUE,
+          FALSE,
+
+          // empty data
+/*16*/	  "",
+          '',
+
+          // string data
+/*18*/	  "string",
+          'string',
+
+          // object data
+/*20*/	  new sample(),
+
+          // undefined data
+/*21*/	  @$undefined_var,
+
+          // unset data
+/*22*/	  @$unset_var,
+
+          // resource data
+/*23*/		  $file_handle
+);
+
+// loop through each element of the array for args
+$counter = 1;
+foreach($values as $value) {
+  echo "\n-- Iteration $counter --\n";
+  try {
+    $result = vprintf($format,$value);
+    echo "\n";
+    var_dump($result);
+  } catch (\TypeError $e) {
+    echo $e->getMessage(), "\n";
+  } catch (\ValueError $e) {
+    echo $e->getMessage(), "\n";
+  }
+  $counter++;
+};
+
+// closing the resource
+fclose($file_handle);
+
+?>
+--EXPECT--
+*** Testing vprintf() : with unexpected values for args argument ***
+
+-- Iteration 1 --
+vprintf(): Argument #2 ($values) must be of type array, int given
+
+-- Iteration 2 --
+vprintf(): Argument #2 ($values) must be of type array, int given
+
+-- Iteration 3 --
+vprintf(): Argument #2 ($values) must be of type array, int given
+
+-- Iteration 4 --
+vprintf(): Argument #2 ($values) must be of type array, int given
+
+-- Iteration 5 --
+vprintf(): Argument #2 ($values) must be of type array, float given
+
+-- Iteration 6 --
+vprintf(): Argument #2 ($values) must be of type array, float given
+
+-- Iteration 7 --
+vprintf(): Argument #2 ($values) must be of type array, float given
+
+-- Iteration 8 --
+vprintf(): Argument #2 ($values) must be of type array, float given
+
+-- Iteration 9 --
+vprintf(): Argument #2 ($values) must be of type array, float given
+
+-- Iteration 10 --
+vprintf(): Argument #2 ($values) must be of type array, null given
+
+-- Iteration 11 --
+vprintf(): Argument #2 ($values) must be of type array, null given
+
+-- Iteration 12 --
+vprintf(): Argument #2 ($values) must be of type array, true given
+
+-- Iteration 13 --
+vprintf(): Argument #2 ($values) must be of type array, false given
+
+-- Iteration 14 --
+vprintf(): Argument #2 ($values) must be of type array, true given
+
+-- Iteration 15 --
+vprintf(): Argument #2 ($values) must be of type array, false given
+
+-- Iteration 16 --
+vprintf(): Argument #2 ($values) must be of type array, string given
+
+-- Iteration 17 --
+vprintf(): Argument #2 ($values) must be of type array, string given
+
+-- Iteration 18 --
+vprintf(): Argument #2 ($values) must be of type array, string given
+
+-- Iteration 19 --
+vprintf(): Argument #2 ($values) must be of type array, string given
+
+-- Iteration 20 --
+vprintf(): Argument #2 ($values) must be of type array, sample given
+
+-- Iteration 21 --
+vprintf(): Argument #2 ($values) must be of type array, null given
+
+-- Iteration 22 --
+vprintf(): Argument #2 ($values) must be of type array, null given
+
+-- Iteration 23 --
+vprintf(): Argument #2 ($values) must be of type array, resource given
diff --git a/tests/std/strings/vprintf_variation3.phpt b/tests/std/strings/vprintf_variation3.phpt
new file mode 100644
index 00000000..e6b0afab
--- /dev/null
+++ b/tests/std/strings/vprintf_variation3.phpt
@@ -0,0 +1,84 @@
+--TEST--
+Test vprintf() function : usage variations - int formats with int values
+--FILE--
+<?php
+/*
+ * Test vprintf() when different int formats and int values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : int formats with int values ***\n";
+
+
+// defining array of int formats
+$formats = array(
+  "%d",
+  "%+d %-d",
+  "%ld %4d %-4d",
+  "%10.4d %-10.4d %04d %04.4d",
+  "%'#2d %'2d %'$2d %'_2d",
+  "%d %d %d %d",
+  "% %%d",
+  '%3$d %4$d %1$d %2$d'
+);
+
+// Arrays of int values for the format defined in $format.
+// Each sub array contains int values which correspond to each format string in $format
+$args_array = array(
+  array(0),
+  array(-1, 1),
+  array(2147483647, +2147483640, -2147483640),
+  array(123456, 12345678, -1234567, 1234567),
+  array(111, 2222, 333333, 44444444),
+  array(0x123b, 0xfAb, 0123, 012),
+  array(1234, -5678),
+  array(3, 4, 1, 2)
+
+);
+
+// looping to test vprintf() with different int formats from the above $format array
+// and with int values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : int formats with int values ***
+
+-- Iteration 1 --
+0
+int(1)
+
+-- Iteration 2 --
+-1 1
+int(4)
+
+-- Iteration 3 --
+2147483647 2147483640 -2147483640
+int(33)
+
+-- Iteration 4 --
+    123456 12345678   -1234567 1234567
+int(38)
+
+-- Iteration 5 --
+111 2222 333333 44444444
+int(24)
+
+-- Iteration 6 --
+4667 4011 83 10
+int(15)
+
+-- Iteration 7 --
+%-5678
+int(6)
+
+-- Iteration 8 --
+1 2 3 4
+int(7)
diff --git a/tests/std/strings/vprintf_variation4.phpt b/tests/std/strings/vprintf_variation4.phpt
new file mode 100644
index 00000000..96836f83
--- /dev/null
+++ b/tests/std/strings/vprintf_variation4.phpt
@@ -0,0 +1,105 @@
+--TEST--
+Test vprintf() function : usage variations - int formats with non-integer values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different int formats and non-int values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : int formats and non-integer values ***\n";
+
+// defining array of int formats
+$formats =
+  '%d %+d %-d
+   %ld %4d %-4d
+   %10.4d %-10.4d %.4d %04.4d
+   %\'#2d %\'2d %\'$2d %\'_2d
+   %3$d %4$d %1$d %2$d';
+
+// Arrays of non int values for the format defined in $format.
+// Each sub array contains non int values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2e10, +2e5, 4e3, 22e+6,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", '0123456hello', 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different int formats from the above $format array
+// and with non-int values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : int formats and non-integer values ***
+
+-- Iteration 1 --
+
+Warning: The float 20000000000 is not representable as an int, cast occurred in %s on line %d
+2 +0 10
+   123456 -1234 1234
+   -1474836480 200000     4000 22000000
+   12345 12 -12 -123456
+   10 123456 2 0
+int(109)
+
+-- Iteration 2 --
+0 +0 0
+   123 -123 123 
+            0 0          123456 0000
+   1234 0 $0 _0
+   0 123 0 0
+int(89)
+
+-- Iteration 3 --
+1 +1 1
+   1    1 1   
+            1 1          1 0001
+   #1 1 $1 _1
+   1 1 1 1
+int(78)
+
+-- Iteration 4 --
+1 +1 0
+   1    0 1   
+            1 0          1 0000
+   #0 1 $1 _0
+   0 1 1 1
+int(78)
diff --git a/tests/std/strings/vprintf_variation4_64bit.phpt b/tests/std/strings/vprintf_variation4_64bit.phpt
new file mode 100644
index 00000000..5631a9ad
--- /dev/null
+++ b/tests/std/strings/vprintf_variation4_64bit.phpt
@@ -0,0 +1,103 @@
+--TEST--
+Test vprintf() function : usage variations - int formats with non-integer values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different int formats and non-int values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : int formats and non-integer values ***\n";
+
+// defining array of int formats
+$formats =
+    '%d %+d %-d
+    %ld %4d %-4d
+    %10.4d %-10.4d %.4d %04.4d
+    %\'#2d %\'2d %\'$2d %\'_2d
+    %3$d %4$d %1$d %2$d';
+
+// Arrays of non int values for the format defined in $format.
+// Each sub array contains non int values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2e10, +2e5, 4e3, 22e+6,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", '0123456hello', 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different int formats from the above $format array
+// and with non-int values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : int formats and non-integer values ***
+
+-- Iteration 1 --
+2 +0 10
+    123456 -1234 1234
+    20000000000 200000     4000 22000000
+    12345 12 -12 -123456
+    10 123456 2 0
+int(113)
+
+-- Iteration 2 --
+0 +0 0
+    123 -123 123 
+             0 0          123456 0000
+    1234 0 $0 _0
+    0 123 0 0
+int(93)
+
+-- Iteration 3 --
+1 +1 1
+    1    1 1   
+             1 1          1 0001
+    #1 1 $1 _1
+    1 1 1 1
+int(82)
+
+-- Iteration 4 --
+1 +1 0
+    1    0 1   
+             1 0          1 0000
+    #0 1 $1 _0
+    0 1 1 1
+int(82)
diff --git a/tests/std/strings/vprintf_variation5.phpt b/tests/std/strings/vprintf_variation5.phpt
new file mode 100644
index 00000000..b09acb78
--- /dev/null
+++ b/tests/std/strings/vprintf_variation5.phpt
@@ -0,0 +1,84 @@
+--TEST--
+Test vprintf() function : usage variations - float formats with float values
+--FILE--
+<?php
+/*
+ * Test vprintf() when different float formats and float values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : int formats with float values ***\n";
+
+
+// defining array of float formats
+$formats = array(
+  "%f",
+  "%+f %-f %F",
+  "%lf %4f %-4f",
+  "%10.4f %-10.4F %04f %04.4f",
+  "%'#2f %'2f %'$2f %'_2f",
+  "%f %f %f %f",
+  "% %%f",
+  '%3$f %4$f %1$f %2$f'
+);
+
+// Arrays of float values for the format defined in $format.
+// Each sub array contains float values which correspond to each format string in $format
+$args_array = array(
+  array(0.0),
+  array(-0.1, +0.1, +10.0000006),
+  array(2147483649, +2147483640, -2147483640),
+  array(2e5, 2e-5, -2e5, -2e-5),
+  array(0.2E5, -0.2e40, 0.2E-20, 0.2E+20),
+  array(0x123b, 0xfAb, 0123, 012),
+  array(1234.1234, -5678.5678),
+  array(3.33, 4.44, 1.11, 2.22)
+
+);
+
+// looping to test vprintf() with different float formats from the above $format array
+// and with float values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : int formats with float values ***
+
+-- Iteration 1 --
+0.000000
+int(8)
+
+-- Iteration 2 --
+-0.100000 0.100000 10.000001
+int(28)
+
+-- Iteration 3 --
+2147483649.000000 2147483640.000000 -2147483640.000000
+int(54)
+
+-- Iteration 4 --
+200000.0000 0.0000     -200000.000000 -0.0000
+int(45)
+
+-- Iteration 5 --
+20000.000000 -1999999999999999879418332743206357172224.000000 0.000000 20000000000000000000.000000
+int(98)
+
+-- Iteration 6 --
+4667.000000 4011.000000 83.000000 10.000000
+int(43)
+
+-- Iteration 7 --
+%-5678.567800
+int(13)
+
+-- Iteration 8 --
+1.110000 2.220000 3.330000 4.440000
+int(35)
diff --git a/tests/std/strings/vprintf_variation6.phpt b/tests/std/strings/vprintf_variation6.phpt
new file mode 100644
index 00000000..ab19f530
--- /dev/null
+++ b/tests/std/strings/vprintf_variation6.phpt
@@ -0,0 +1,99 @@
+--TEST--
+Test vprintf() function : usage variations - float formats with non-float values
+--FILE--
+<?php
+/*
+ * Test vprintf() when different float formats and non-float values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : float formats and non-float values ***\n";
+
+// defining array of float formats
+$formats =
+    '%f %+f %-f
+    %lf %4f %-4f
+    %10.4f %-10.4f %04f %04.4f
+    %\'#2f %\'2f %\'$2f %\'_2f
+    %3$f %4$f %1$f %2$f';
+
+// Arrays of non float values for the format defined in $format.
+// Each sub array contains non float values which correspond to each format in $format
+$args_array = array(
+
+  // array of int values
+  array(2, -2, +2,
+        123456, -12346789, +12346789,
+        123200, +20000, -40000, 22212,
+        12345780, 1211111, -12111111, -12345634,
+        3, +4, 1,-2 ),
+
+  // array of strings
+  array(" ", ' ', 'hello',
+        '123hello', '-123hello', '+123hello',
+        "\12345678hello", "-\12345678hello", '0123456hello', 'h123456ello',
+        "1234hello", "hello\0world", "NULL", "true",
+        "3", "4", '1', '2'),
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different float formats from the above $format array
+// and with non-float values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECT--
+*** Testing vprintf() : float formats and non-float values ***
+
+-- Iteration 1 --
+2.000000 -2.000000 2.000000
+    123456.000000 -12346789.000000 12346789.000000
+    123200.0000 20000.0000 -40000.000000 22212.0000
+    12345780.000000 1211111.000000 -12111111.000000 -12345634.000000
+    2.000000 123456.000000 2.000000 -2.000000
+int(245)
+
+-- Iteration 2 --
+0.000000 +0.000000 0.000000
+    123.000000 -123.000000 123.000000
+        0.0000 0.0000     123456.000000 0.0000
+    1234.000000 0.000000 0.000000 0.000000
+    0.000000 123.000000 0.000000 0.000000
+int(197)
+
+-- Iteration 3 --
+1.000000 +1.000000 1.000000
+    1.000000 1.000000 1.000000
+        1.0000 1.0000     1.000000 1.0000
+    1.000000 1.000000 1.000000 1.000000
+    1.000000 1.000000 1.000000 1.000000
+int(180)
+
+-- Iteration 4 --
+1.000000 +1.000000 0.000000
+    1.000000 0.000000 1.000000
+        1.0000 0.0000     1.000000 0.0000
+    0.000000 1.000000 1.000000 0.000000
+    0.000000 1.000000 1.000000 1.000000
+int(180)
diff --git a/tests/std/strings/vprintf_variation7.phpt b/tests/std/strings/vprintf_variation7.phpt
new file mode 100644
index 00000000..a4dbe73c
--- /dev/null
+++ b/tests/std/strings/vprintf_variation7.phpt
@@ -0,0 +1,97 @@
+--TEST--
+Test vprintf() function : usage variations - string formats with strings
+--FILE--
+<?php
+
+/*
+ * Test vprintf() when different string formats and string values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : string formats with strings ***\n";
+
+
+// defining different heredoc strings
+$heredoc_string = <<<EOT
+This is string defined
+using heredoc.
+EOT;
+
+/* heredoc string with only numerics */
+$heredoc_numeric_string = <<<EOT
+123456 3993
+4849 string
+EOT;
+
+/* empty heardoc string */
+$heredoc_empty_string = <<<EOT
+EOT;
+
+// defining array of string formats
+$formats = array(
+  "%s",
+  "%+s %-s",
+  "%ls %4s %-4s",
+  "%10.4s %-10.4s %04s %04.4s",
+  "%'#2s %'2s %'$2s %'_2s",
+  "%% %%s",
+  '%3$s %4$s %1$s %2$s'
+);
+
+// Arrays of string values for the format defined in $format.
+// Each sub array contains string values which correspond to each format string in $format
+$args_array = array(
+  array(" "),
+  array("hello\0world", "hello\0"),
+  array("@#$%&*", "\x55F", "\001"),
+  array("sunday", 'monday', "tuesday", 'wednesday'),
+  array($heredoc_string, "abcdef", $heredoc_numeric_string, $heredoc_empty_string),
+  array("one", "two", 'three'),
+  array("three", 'four', 'one', "two")
+
+);
+
+// looping to test vprintf() with different string formats from the above $format array
+// and with string from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : string formats with strings ***
+
+-- Iteration 1 --
+ 
+int(1)
+
+-- Iteration 2 --
+hello%0world hello%0
+int(18)
+
+-- Iteration 3 --
+@#$%&*   UF 
   
+int(16)
+
+-- Iteration 4 --
+      sund mond       tuesday wedn
+int(34)
+
+-- Iteration 5 --
+This is string defined
+using heredoc. abcdef 123456 3993
+4849 string __
+int(71)
+
+-- Iteration 6 --
+% %s
+int(4)
+
+-- Iteration 7 --
+one two three four
+int(18)
diff --git a/tests/std/strings/vprintf_variation8.phpt b/tests/std/strings/vprintf_variation8.phpt
new file mode 100644
index 00000000..dceef6e8
--- /dev/null
+++ b/tests/std/strings/vprintf_variation8.phpt
@@ -0,0 +1,140 @@
+--TEST--
+Test vprintf() function : usage variations - string formats with non-string values
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+/*
+ * Test vprintf() when different string formats and non-string values are passed to
+ * the '$format' and '$args' arguments of the function
+*/
+
+echo "*** Testing vprintf() : string formats and non-string values ***\n";
+
+// defining array of string formats
+$formats =
+    '%s %+s %-s
+    %ls %4s %-4s
+    %10.4s %-10.4s %04s %04.4s
+    %\'#2s %\'2s %\'$2s %\'_2s
+    %3$s %4$s %1$s %2$s';
+
+// Arrays of non string values for the format defined in $format.
+// Each sub array contains non string values which correspond to each format in $format
+$args_array = array(
+
+  // array of float values
+  array(2.2, .2, 10.2,
+        123456.234, -1234.6789, +1234.6789,
+        2.1234567e10, +2.7654321e10, -2.7654321e10,
+        12345.780, 12.000000011111, -12.00000111111, -123456.234,
+        3.33, +4.44, 1.11,-2.22 ),
+
+ // array of int values
+ array(2, -2, +2,
+       123456, -12346789, +12346789,
+       123200, +20000, -40000, 22212,
+       12345780, 1211111, -12111111, -12345634,
+       3, +4, 1,-2 ),
+
+
+  // different arrays
+  array( array(0), array(1, 2), array(-1, -1),
+         array("123"), array('-123'), array("-123"),
+         array(true), array(false), array(TRUE), array(FALSE),
+         array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
+         array("3"), array("4"), array("1"), array("2") ),
+
+  // array of boolean data
+  array( true, TRUE, false,
+         TRUE, FALSE, 1,
+         true, false, TRUE, FALSE,
+         0, 1, 1, 0,
+         1, TRUE, 0, FALSE),
+
+);
+
+// looping to test vprintf() with different string formats from the above $format array
+// and with non-string values from the above $args_array array
+$counter = 1;
+foreach($args_array as $args) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($formats, $args);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : string formats and non-string values ***
+
+-- Iteration 1 --
+2.2 0.2 10.2
+    123456.234 -1234.6789 1234.6789
+          2123 2765       -27654321000 1234
+    12.000000011111 -12.00000111111 -123456.234 3.33
+    10.2 123456.234 2.2 0.2
+int(173)
+
+-- Iteration 2 --
+2 -2 2
+    123456 -12346789 12346789
+          1232 2000       -40000 2221
+    12345780 1211111 -12111111 -12345634
+    2 123456 2 -2
+int(133)
+
+-- Iteration 3 --
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+
+Warning: Array to string conversion in %s on line %d
+Array Array Array
+    Array Array Array
+          Arra Arra       Array Arra
+    Array Array Array Array
+    Array Array Array Array
+int(132)
+
+-- Iteration 4 --
+1 1 
+    1      1   
+             1            0001 0000
+    #0 1 $1 _0
+     1 1 1
+int(82)
diff --git a/tests/std/strings/vprintf_variation9.phpt b/tests/std/strings/vprintf_variation9.phpt
new file mode 100644
index 00000000..70b28c21
--- /dev/null
+++ b/tests/std/strings/vprintf_variation9.phpt
@@ -0,0 +1,85 @@
+--TEST--
+Test vprintf() function : usage variations - char formats with char values
+--FILE--
+<?php
+
+/*
+* Test vprintf() for char formats with an array of chars passed to the function
+*/
+
+echo "*** Testing vprintf() : char formats with char values ***\n";
+
+
+// defining array of char formats
+$formats = array(
+  "%c",
+  "%+c %-c",
+  "%lc %4c %-4c",
+  "%10.4c %-10.4c %04c %04.4c",
+  "%'#2c %'2c %'$2c %'_2c",
+  "%c %c %c %c",
+  "% %%c",
+  '%3$c %4$c %1$c %2$c'
+);
+
+// Arrays of char values for the format defined in $format.
+// Each sub array contains char values which correspond to each format string in $format
+$args_array = array(
+  array(0),
+  array('c', 67),
+  array(' ', -67, +67),
+  array(97, -97, 98, +98),
+  array(97, -97, 98, +98),
+  array(0x123b, 0xfAb, 0123, 012),
+  array(38, -1234),
+  array(67, 68, 65, 66)
+
+);
+
+// looping to test vprintf() with different char formats from the above $format array
+// and with char values from the above $args_array array
+$counter = 1;
+foreach($formats as $format) {
+  echo "\n-- Iteration $counter --\n";
+  $result = vprintf($format, $args_array[$counter-1]);
+  echo "\n";
+  var_dump($result);
+  $counter++;
+}
+
+?>
+--EXPECTF--
+*** Testing vprintf() : char formats with char values ***
+
+-- Iteration 1 --
+%0
+int(1)
+
+-- Iteration 2 --
+%0 C
+int(3)
+
+-- Iteration 3 --
+%0 ½ C
+int(5)
+
+-- Iteration 4 --
+a Ÿ b b
+int(7)
+
+-- Iteration 5 --
+a Ÿ b b
+int(7)
+
+-- Iteration 6 --
+; « S 
+
+int(7)
+
+-- Iteration 7 --
+%.
+int(2)
+
+-- Iteration 8 --
+A B C D
+int(7)
diff --git a/tests/std/strings/vsprintf_basic1.phpt b/tests/std/strings/vsprintf_basic1.phpt
new file mode 100644
index 00000000..b8dea334
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic1.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Test vsprintf() function : basic functionality - string format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using string format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%s";
+$format2 = "%s %s";
+$format3 = "%s %s %s";
+$arg1 = array("one");
+$arg2 = array("one","two");
+$arg3 = array("one","two","three");
+
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using string format ***
+string(3) "one"
+string(7) "one two"
+string(13) "one two three"
+Done
diff --git a/tests/std/strings/vsprintf_basic2.phpt b/tests/std/strings/vsprintf_basic2.phpt
new file mode 100644
index 00000000..86f7380d
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic2.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test vsprintf() function : basic functionality - integer format
+--FILE--
+<?php
+/*
+ *  Testing vsprintf() : basic functionality - using integer format
+*/
+
+echo "*** Testing vsprintf() : basic functionality - using integer format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%d";
+$format2 = "%d %d";
+$format3 = "%d %d %d";
+$arg1 = array(111);
+$arg2 = array(111,222);
+$arg3 = array(111,222,333);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using integer format ***
+string(3) "111"
+string(7) "111 222"
+string(11) "111 222 333"
+Done
diff --git a/tests/std/strings/vsprintf_basic3.phpt b/tests/std/strings/vsprintf_basic3.phpt
new file mode 100644
index 00000000..97275193
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic3.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test vsprintf() function : basic functionality - float format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using float format ***\n";
+
+// Initialise all required variables
+
+$format = "format";
+$format1 = "%f";
+$format2 = "%f %f";
+$format3 = "%f %f %f";
+
+$format11 = "%F";
+$format22 = "%F %F";
+$format33 = "%F %F %F";
+$arg1 = array(11.11);
+$arg2 = array(11.11,22.22);
+$arg3 = array(11.11,22.22,33.33);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format11,$arg1) );
+
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format22,$arg2) );
+
+var_dump( vsprintf($format3,$arg3) );
+var_dump( vsprintf($format33,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using float format ***
+string(9) "11.110000"
+string(9) "11.110000"
+string(19) "11.110000 22.220000"
+string(19) "11.110000 22.220000"
+string(29) "11.110000 22.220000 33.330000"
+string(29) "11.110000 22.220000 33.330000"
+Done
diff --git a/tests/std/strings/vsprintf_basic4.phpt b/tests/std/strings/vsprintf_basic4.phpt
new file mode 100644
index 00000000..80482b2d
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic4.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test vsprintf() function : basic functionality - bool format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using bool format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%b";
+$format2 = "%b %b";
+$format3 = "%b %b %b";
+$arg1 = array(TRUE);
+$arg2 = array(TRUE,FALSE);
+$arg3 = array(TRUE,FALSE,TRUE);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using bool format ***
+string(1) "1"
+string(3) "1 0"
+string(5) "1 0 1"
+Done
diff --git a/tests/std/strings/vsprintf_basic5.phpt b/tests/std/strings/vsprintf_basic5.phpt
new file mode 100644
index 00000000..82f78b18
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic5.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test vsprintf() function : basic functionality - char format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using char format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%c";
+$format2 = "%c %c";
+$format3 = "%c %c %c";
+$arg1 = array(65);
+$arg2 = array(65,66);
+$arg3 = array(65,66,67);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using char format ***
+string(1) "A"
+string(3) "A B"
+string(5) "A B C"
+Done
diff --git a/tests/std/strings/vsprintf_basic6.phpt b/tests/std/strings/vsprintf_basic6.phpt
new file mode 100644
index 00000000..ae72e5af
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic6.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test vsprintf() function : basic functionality - exponential format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using exponential format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%e";
+$format2 = "%e %e";
+$format3 = "%e %e %e";
+$arg1 = array(1000);
+$arg2 = array(1000,2000);
+$arg3 = array(1000,2000,3000);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using exponential format ***
+string(11) "1.000000e+3"
+string(23) "1.000000e+3 2.000000e+3"
+string(35) "1.000000e+3 2.000000e+3 3.000000e+3"
+Done
diff --git a/tests/std/strings/vsprintf_basic7.phpt b/tests/std/strings/vsprintf_basic7.phpt
new file mode 100644
index 00000000..e9a3dae7
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic7.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test vsprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using unsigned format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = array(-1111);
+$arg2 = array(-1111,-1234567);
+$arg3 = array(-1111,-1234567,-2345432);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using unsigned format ***
+string(10) "4294966185"
+string(21) "4294966185 4293732729"
+string(32) "4294966185 4293732729 4292621864"
+Done
diff --git a/tests/std/strings/vsprintf_basic7_64bit.phpt b/tests/std/strings/vsprintf_basic7_64bit.phpt
new file mode 100644
index 00000000..664b5174
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic7_64bit.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test vsprintf() function : basic functionality - unsigned format
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using unsigned format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%u";
+$format2 = "%u %u";
+$format3 = "%u %u %u";
+$arg1 = array(-1111);
+$arg2 = array(-1111,-1234567);
+$arg3 = array(-1111,-1234567,-2345432);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using unsigned format ***
+string(20) "18446744073709550505"
+string(41) "18446744073709550505 18446744073708317049"
+string(62) "18446744073709550505 18446744073708317049 18446744073707206184"
+Done
diff --git a/tests/std/strings/vsprintf_basic8.phpt b/tests/std/strings/vsprintf_basic8.phpt
new file mode 100644
index 00000000..6a5b01fb
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic8.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Test vsprintf() function : basic functionality - octal format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using octal format ***\n";
+
+// Initialise all required variables
+$format = "format";
+$format1 = "%o";
+$format2 = "%o %o";
+$format3 = "%o %o %o";
+$arg1 = array(021);
+$arg2 = array(021,0347);
+$arg3 = array(021,0347,0567);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format3,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using octal format ***
+string(2) "21"
+string(6) "21 347"
+string(10) "21 347 567"
+Done
diff --git a/tests/std/strings/vsprintf_basic9.phpt b/tests/std/strings/vsprintf_basic9.phpt
new file mode 100644
index 00000000..30019d35
--- /dev/null
+++ b/tests/std/strings/vsprintf_basic9.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test vsprintf() function : basic functionality - hexadecimal format
+--FILE--
+<?php
+echo "*** Testing vsprintf() : basic functionality - using hexadecimal format ***\n";
+
+// Initialising different format strings
+$format = "format";
+$format1 = "%x";
+$format2 = "%x %x";
+$format3 = "%x %x %x";
+
+$format11 = "%X";
+$format22 = "%X %X";
+$format33 = "%X %X %X";
+
+$arg1 = array(11);
+$arg2 = array(11,132);
+$arg3 = array(11,132,177);
+
+var_dump( vsprintf($format1,$arg1) );
+var_dump( vsprintf($format11,$arg1) );
+
+var_dump( vsprintf($format2,$arg2) );
+var_dump( vsprintf($format22,$arg2) );
+
+var_dump( vsprintf($format3,$arg3) );
+var_dump( vsprintf($format33,$arg3) );
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing vsprintf() : basic functionality - using hexadecimal format ***
+string(1) "b"
+string(1) "B"
+string(4) "b 84"
+string(4) "B 84"
+string(7) "b 84 b1"
+string(7) "B 84 B1"
+Done
diff --git a/tests/std/strings/wordwrap.phpt b/tests/std/strings/wordwrap.phpt
new file mode 100644
index 00000000..7befc013
--- /dev/null
+++ b/tests/std/strings/wordwrap.phpt
@@ -0,0 +1,60 @@
+--TEST--
+wordwrap() function
+--SKIPIF--
+<?php
+echo 'skip Test output differs under AOT compilation';
+?>
+--FILE--
+<?php
+
+var_dump("12345 12345 12345 12345" === wordwrap("12345 12345 12345 12345"));
+var_dump("12345 12345\n1234567890\n1234567890" === wordwrap("12345 12345 1234567890 1234567890",12));
+var_dump("12345\n12345\n12345\n12345" === wordwrap("12345 12345 12345 12345",0));
+var_dump("12345ab12345ab12345ab12345" === wordwrap("12345 12345 12345 12345",0,"ab"));
+var_dump("12345 12345ab1234567890ab1234567890" === wordwrap("12345 12345 1234567890 1234567890",12,"ab"));
+var_dump("123ab123ab123" === wordwrap("123ab123ab123", 3, "ab"));
+var_dump("123ab123ab123" === wordwrap("123ab123ab123", 5, "ab"));
+var_dump("123ab 123ab123" === wordwrap("123  123ab123", 3, "ab"));
+var_dump("123ab123ab123" === wordwrap("123 123ab123", 5, "ab"));
+var_dump("123 123ab123" === wordwrap("123 123 123", 10, "ab"));
+
+var_dump("123ab123ab123" === wordwrap("123ab123ab123", 3, "ab", 1));
+var_dump("123ab123ab123" === wordwrap("123ab123ab123", 5, "ab", 1));
+var_dump("123ab 12ab3ab123" === wordwrap("123  123ab123", 3, "ab", 1));
+var_dump("123 ab123ab123" === wordwrap("123  123ab123", 5, "ab", 1));
+var_dump("123  123ab 123" === wordwrap("123  123  123", 8, "ab", 1));
+var_dump("123 ab12345 ab123" === wordwrap("123  12345  123", 8, "ab", 1));
+var_dump("1ab2ab3ab4" === wordwrap("1234", 1, "ab", 1));
+
+var_dump("12345|12345|67890" === wordwrap("12345 1234567890", 5, "|", 1));
+
+var_dump("123|==1234567890|==123" === wordwrap("123 1234567890 123", 10, "|==", 1));
+
+
+try {
+    wordwrap(chr(0), 0, "");
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+wordwrap(): Argument #3 ($break) must not be empty
diff --git a/tests/std/strings/wordwrap_basic.phpt b/tests/std/strings/wordwrap_basic.phpt
new file mode 100644
index 00000000..ec40e96f
--- /dev/null
+++ b/tests/std/strings/wordwrap_basic.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test wordwrap() function : basic functionality
+--FILE--
+<?php
+echo "*** Testing wordwrap() : basic functionality ***\n";
+
+// Initialize all required variables
+$str = "The quick brown foooooooooox jummmmmmmmmmmmped over the lazzzzzzzzzzzy doooooooooooooooooooooog.";
+$width = 80;
+$break = '<br />\n';
+
+// Calling wordwrap() with default arguments
+var_dump( wordwrap($str) );
+
+// Calling wordwrap() with all possible optional arguments
+// with $width arg
+var_dump( wordwrap($str, $width) );
+// with $break arg
+var_dump( wordwrap($str, $width, $break) );
+
+// Calling wordwrap() with all arguments
+// $cut as true
+$width = 10;
+$cut = true;
+var_dump( wordwrap($str, $width, $break, $cut) );
+
+// $cut as false
+$width = 10;
+$cut = false;
+var_dump( wordwrap($str, $width, $break, $cut) );
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing wordwrap() : basic functionality ***
+string(96) "The quick brown foooooooooox jummmmmmmmmmmmped over the lazzzzzzzzzzzy
+doooooooooooooooooooooog."
+string(96) "The quick brown foooooooooox jummmmmmmmmmmmped over the lazzzzzzzzzzzy
+doooooooooooooooooooooog."
+string(103) "The quick brown foooooooooox jummmmmmmmmmmmped over the lazzzzzzzzzzzy<br />\ndoooooooooooooooooooooog."
+string(178) "The quick<br />\nbrown<br />\nfooooooooo<br />\nox<br />\njummmmmmmm<br />\nmmmmped<br />\nover the<br />\nlazzzzzzzz<br />\nzzzy<br />\ndooooooooo<br />\noooooooooo<br />\nooog."
+string(138) "The quick<br />\nbrown<br />\nfoooooooooox<br />\njummmmmmmmmmmmped<br />\nover the<br />\nlazzzzzzzzzzzy<br />\ndoooooooooooooooooooooog."
+Done
diff --git a/tests/std/strings/wordwrap_error.phpt b/tests/std/strings/wordwrap_error.phpt
new file mode 100644
index 00000000..b93bb805
--- /dev/null
+++ b/tests/std/strings/wordwrap_error.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test wordwrap() function : error conditions
+--FILE--
+<?php
+echo "*** Testing wordwrap() : error conditions ***\n";
+
+$str = 'testing wordwrap function';
+$width = 10;
+$break = '<br />\n';
+$cut = true;
+
+// $width arg as negative value
+echo "\n-- Testing wordwrap() function with negative/zero value for width argument --\n";
+echo "-- width = 0 & cut = false --\n";
+// width as zero and cut as false
+$width = 0;
+$cut = false;
+var_dump( wordwrap($str, $width, $break, $cut) );
+
+echo "-- width = 0 & cut = true --\n";
+// width as zero and cut as true
+$width = 0;
+$cut = true;
+
+try {
+    wordwrap($str, $width, $break, $cut);
+} catch (\ValueError $e) {
+    echo $e->getMessage() . "\n";
+}
+
+echo "-- width = -10 & cut = false --\n";
+// width as -ne and cut as false
+$width = -10;
+$cut = false;
+var_dump( wordwrap($str, $width, $break, $cut) );
+
+echo "-- width = -10 & cut = true --\n";
+// width as -ne and cut as true
+$width = -10;
+$cut = true;
+var_dump( wordwrap($str, $width, $break, $cut) );
+?>
+--EXPECT--
+*** Testing wordwrap() : error conditions ***
+
+-- Testing wordwrap() function with negative/zero value for width argument --
+-- width = 0 & cut = false --
+string(39) "testing<br />\nwordwrap<br />\nfunction"
+-- width = 0 & cut = true --
+wordwrap(): Argument #4 ($cut_long_words) cannot be true when argument #2 ($width) is 0
+-- width = -10 & cut = false --
+string(39) "testing<br />\nwordwrap<br />\nfunction"
+-- width = -10 & cut = true --
+string(223) "<br />\nt<br />\ne<br />\ns<br />\nt<br />\ni<br />\nn<br />\ng<br />\n<br />\nw<br />\no<br />\nr<br />\nd<br />\nw<br />\nr<br />\na<br />\np<br />\n<br />\nf<br />\nu<br />\nn<br />\nc<br />\nt<br />\ni<br />\no<br />\nn"
diff --git a/tests/std/strings/wordwrap_memory_limit.phpt b/tests/std/strings/wordwrap_memory_limit.phpt
new file mode 100644
index 00000000..b7c2a3ba
--- /dev/null
+++ b/tests/std/strings/wordwrap_memory_limit.phpt
@@ -0,0 +1,18 @@
+--TEST--
+No overflow should occur during the memory_limit check for wordwrap()
+--SKIPIF--
+<?php
+echo 'skip AOT compilation or behavior differs';
+?>
+--INI--
+memory_limit=128M
+--FILE--
+<?php
+
+$str = str_repeat('x', 65534);
+$str2 = str_repeat('x', 65535);
+wordwrap($str, 1, $str2);
+
+?>
+--EXPECTF--
+Fatal error: Allowed memory size of 134217728 bytes exhausted%s(tried to allocate %d bytes) in %s on line %d
diff --git a/tests/std/strings/wordwrap_memory_limit_32bit.phpt b/tests/std/strings/wordwrap_memory_limit_32bit.phpt
new file mode 100644
index 00000000..36d22cc8
--- /dev/null
+++ b/tests/std/strings/wordwrap_memory_limit_32bit.phpt
@@ -0,0 +1,19 @@
+--TEST--
+No overflow should occur during the memory_limit check for wordwrap()
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platforms only");
+if (getenv("USE_ZEND_ALLOC") === "0") die("skip Zend MM disabled");
+?>
+--INI--
+memory_limit=128M
+--FILE--
+<?php
+
+$str = str_repeat('x', 65534);
+$str2 = str_repeat('x', 65535);
+wordwrap($str, 1, $str2);
+
+?>
+--EXPECTF--
+Fatal error: %rAllowed memory size of %d bytes exhausted%s\(tried to allocate %d bytes\)|Possible integer overflow in memory allocation \(4294901777 \+ %d\)%r in %s on line %d
diff --git a/tests/std/strings/wordwrap_variation5.phpt b/tests/std/strings/wordwrap_variation5.phpt
new file mode 100644
index 00000000..70c97ed5
--- /dev/null
+++ b/tests/std/strings/wordwrap_variation5.phpt
@@ -0,0 +1,55 @@
+--TEST--
+Test wordwrap() function : usage variations  - valid break arguments(spaces)
+--FILE--
+<?php
+/*
+ *test wordwrap() with break arguments as single spaces
+*/
+
+echo "*** Testing wordwrap() : usage variations ***\n";
+
+// Initialize all required variables
+$str = "Testing wordrap function";
+$width = 1;
+$cut = false;
+
+echo "\n-- Testing wordwrap() with default break value and single space as value --\n";
+echo "-- with default break and cut value --\n";
+var_dump( wordwrap($str, $width) );  // default break and cut value
+
+echo "-- with default cut value --\n";
+$break = ' ';
+$break1 = "  ";
+var_dump( wordwrap($str, $width, $break) );
+var_dump( wordwrap($str, $width, $break1) );
+
+echo "-- with cut value as false --\n";
+$cut = false;
+var_dump( wordwrap($str, $width, $break, $cut) );
+var_dump( wordwrap($str, $width, $break1, $cut) );
+
+echo "-- with cut value as true --\n";
+$cut = true;
+var_dump( wordwrap($str, $width, $break, $cut) );
+var_dump( wordwrap($str, $width, $break1, $cut) );
+
+echo "Done\n";
+?>
+--EXPECT--
+*** Testing wordwrap() : usage variations ***
+
+-- Testing wordwrap() with default break value and single space as value --
+-- with default break and cut value --
+string(24) "Testing
+wordrap
+function"
+-- with default cut value --
+string(24) "Testing wordrap function"
+string(26) "Testing  wordrap  function"
+-- with cut value as false --
+string(24) "Testing wordrap function"
+string(26) "Testing  wordrap  function"
+-- with cut value as true --
+string(43) "T e s t i n g w o r d r a p f u n c t i o n"
+string(64) "T  e  s  t  i  n  g  w  o  r  d  r  a  p  f  u  n  c  t  i  o  n"
+Done