diff --git a/run-tests.php b/run-tests.php
index 8d082700..7592c7a9 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -2467,8 +2467,6 @@ COMMAND $cmd
     $stdin = $test->hasSection('STDIN') ? $test->getSection('STDIN') : null;
     $out = system_with_timeout($cmd, $env, $stdin, $captureStdIn, $captureStdOut, $captureStdErr);
 
-    unlink('./' . $bin_file);
-
     $junit->stopTimer($shortname);
     $hrtime = hrtime();
     $time = $hrtime[0] * 1000000000 + $hrtime[1] - $startTime;
@@ -2628,6 +2626,7 @@ COMMAND $cmd
             $file = substr($test_file, 0, strlen($test_file) - 4);
             @unlink($file . '.cc');
             @unlink($file . '.cc.o');
+            @unlink('./' . $bin_file);
         }
         @unlink($tmp_post);
 
diff --git a/src/Php/Translator.php b/src/Php/Translator.php
index b0b238dd..f75f4581 100644
--- a/src/Php/Translator.php
+++ b/src/Php/Translator.php
@@ -356,6 +356,8 @@ class Translator extends \PhpAot\Core\Translator
             var_dump($expr);
         }
         switch ($type) {
+            case 'Expr_Isset':
+                return $this->parseIsset($expr);
             case 'Expr_Assign':
                 return $this->parseAssign($expr);
             case 'Expr_Print':
@@ -400,6 +402,8 @@ class Translator extends \PhpAot\Core\Translator
                 return $this->parseAssignOpDiv($expr);
             case 'Expr_AssignOp_Mod':
                 return $this->parseAssignOpMod($expr);
+            case 'Expr_AssignOp_Concat':
+                return $this->parseAssignOpConcat($expr);
             case 'Expr_AssignOp_ShiftRight':
                 return $this->parseAssignOpShiftRight($expr);
             case 'Expr_BinaryOp_Mul':
@@ -708,22 +712,44 @@ class Translator extends \PhpAot\Core\Translator
         if (count($items) === 0) {
             return self::TYPE_ARRAY .'{}';
         }
-        $list = [];
-        $this->indentLevel++;
+
+        // 检查一下数组的赋值方式，是否为索引数组或关联数组，若是混杂模式，需要改为多行插入
+        $assocArray = (bool)$items[0]->key;
+        $mixed = false;
         foreach ($items as $item) {
             if ($item->key) {
-                $list[] = $this->getIndent() . '{ ' . $this->parseIdentifier($item->key) . ', ' .
-                    self::TYPE_VAR . '(' . $this->parseIdentifier($item->value) . ') }';
+                if (!$assocArray) {
+                    $mixed = true;
+                    break;
+                }
             } else {
-                $value = $this->parseIdentifier($item->value);
-                $list[] = $this->getIndent() . self::TYPE_VAR . '(' . $value . ')';
+                if ($assocArray) {
+                    $mixed = true;
+                    break;
+                }
             }
         }
-        $this->indentLevel--;
-        return self::TYPE_ARRAY . '{' . PHP_EOL .
-            implode(', ' . PHP_EOL, $list) . PHP_EOL .
-            $this->getIndent() .
-            '}';
+
+        if ($mixed) {
+            abort($node);
+        } else {
+            $list = [];
+            $this->indentLevel++;
+            foreach ($items as $item) {
+                if ($item->key) {
+                    $list[] = $this->getIndent() . '{ ' . $this->parseIdentifier($item->key) . ', ' .
+                        self::TYPE_VAR . '(' . $this->parseIdentifier($item->value) . ') }';
+                } else {
+                    $value = $this->parseIdentifier($item->value);
+                    $list[] = $this->getIndent() . self::TYPE_VAR . '(' . $value . ')';
+                }
+            }
+            $this->indentLevel--;
+            return self::TYPE_ARRAY . '{' . PHP_EOL .
+                implode(', ' . PHP_EOL, $list) . PHP_EOL .
+                $this->getIndent() .
+                '}';
+        }
     }
 
     private function parseType($type)
@@ -809,6 +835,13 @@ class Translator extends \PhpAot\Core\Translator
         return 'php::concat(' . $left . ', ' . $right . ')';
     }
 
+    private function parseAssignOpConcat(mixed $expr): string
+    {
+        $var = $this->parseIdentifier($expr->var);
+        $value = $this->parseIdentifier($expr->expr);
+        return $var . '.append(' . $value . ')';
+    }
+
     private function parseFor(mixed $v): string
     {
         $init = $v->init;
@@ -1367,9 +1400,8 @@ class Translator extends \PhpAot\Core\Translator
         return '"' . $this->escapeString($this->file) . '"';
     }
 
-    private function parseForeach(Node $node)
+    private function parseForeach(Node $node): string
     {
-        $expr = $this->parseIdentifier($node->expr);
         if ($node->keyVar) {
             $keyVar = $this->parseIdentifier($node->keyVar);
         }
@@ -1380,6 +1412,14 @@ class Translator extends \PhpAot\Core\Translator
         $stmts = $node->stmts;
         $code = '';
 
+        $this->regressionDetection = true;
+        $expr = $this->parseIdentifier($node->expr);
+        $this->regressionDetection = false;
+        if ($this->beforeStmtLines) {
+            foreach ($this->beforeStmtLines as $line) {
+                $code .= $line . PHP_EOL;
+            }
+        }
         $code .= self::TYPE_ARRAY . " $iteratorVar = " . $expr . ';' . PHP_EOL;
 
         $code .= 'for (auto iter = ' . $iteratorVar . '.begin(); iter != ' . $iteratorVar . '.end(); ++iter) {' . PHP_EOL;
@@ -1528,12 +1568,27 @@ class Translator extends \PhpAot\Core\Translator
 
     private function parseScalarFloat(Node $expr): string
     {
-        if (is_nan($expr->value)) {
+        $value = $expr->value;
+        if (is_nan($value)) {
             return self::VALUE_NAN;
-        } elseif (is_infinite($expr->value)) {
-            return $expr->value > 0 ? self::VALUE_INF : '-' . self::VALUE_INF;
+        } elseif (is_infinite($value)) {
+            return $value > 0 ? self::VALUE_INF : '-' . self::VALUE_INF;
+        } else if (floor($value) == $value && abs($value) < 1e15) {
+            return number_format($value, 1, '.', '');
         } else {
-            return number_format($expr->value, 1, '.', '');
+            return $value;
+        }
+    }
+
+    private function parseIsset(mixed $expr)
+    {
+        $vars = $expr->vars;
+        foreach($vars as $var) {
+            if ($var->getType() === 'Expr_Variable') {
+                return $this->hasVar($var->name) ? 'true' : 'false';
+            } else {
+                abort($var);
+            }
         }
     }
 }
diff --git a/tests/core/func/001.phpt b/tests/core/func/001.phpt
new file mode 100644
index 00000000..a94c1198
--- /dev/null
+++ b/tests/core/func/001.phpt
@@ -0,0 +1,6 @@
+--TEST--
+Strlen() function test
+--FILE--
+<?php echo strlen("abcdef");?>
+--EXPECT--
+6
diff --git a/tests/core/func/002.phpt b/tests/core/func/002.phpt
new file mode 100644
index 00000000..c7c32434
--- /dev/null
+++ b/tests/core/func/002.phpt
@@ -0,0 +1,24 @@
+--TEST--
+Static variables in functions
+--FILE--
+<?php
+function blah()
+{
+  static $hey=0,$yo=0;
+
+  echo "hey=".$hey++.", ",$yo--."\n";
+}
+
+function main() {
+    blah();
+    blah();
+    blah();
+    if (isset($hey) || isset($yo)) {
+      echo "Local variables became global :(\n";
+    }
+}
+?>
+--EXPECT--
+hey=0, 0
+hey=1, -1
+hey=2, -2
diff --git a/tests/core/func/003.phpt b/tests/core/func/003.phpt
new file mode 100644
index 00000000..df76103a
--- /dev/null
+++ b/tests/core/func/003.phpt
@@ -0,0 +1,287 @@
+--TEST--
+General function test
+--FILE--
+<?php
+
+function a()
+{
+  echo "hey\n";
+}
+
+function b($i)
+{
+  echo "$i\n";
+}
+
+function c($i, $j)
+{
+  echo "Counting from $i to $j\n";
+  for ($k=$i; $k<=$j; $k++) {
+    echo "$k\n";
+  }
+}
+
+function factorial($n)
+{
+  if ($n==0 || $n==1) {
+    return 1;
+  } else {
+    return factorial($n-1)*$n;
+  }
+}
+
+function factorial2($start, $n)
+{
+  if ($n<=$start) {
+    return $start;
+  } else {
+    return factorial2($start,$n-1)*$n;
+  }
+}
+
+function call_fact()
+{
+  echo "(it should break at 5...)\n";
+  for ($i=0; $i<=10; $i++) {
+    if ($i == 5) break;
+    $n=factorial($i);
+    echo "factorial($i) = $n\n";
+  }
+}
+
+function return4() { return 4; }
+function return7() { return 7; }
+
+function andi($i, $j)
+{
+    for ($k=$i ; $k<=$j ; $k++) {
+        if ($k >5) continue;
+        echo "$k\n";
+    }
+}
+
+function main() {
+    a();
+    b("blah");
+    a();
+    b("blah");
+    c(7,14);
+
+    a();
+
+    for ($k=0; $k<10; $k++) {
+      for ($i=0; $i<=10; $i++) {
+        $n=factorial($i);
+        echo "factorial($i) = $n\n";
+      }
+    }
+
+
+    echo "and now, from a function...\n";
+
+    for ($k=0; $k<10; $k++) {
+      call_fact();
+    }
+
+    echo "------\n";
+    $result = factorial(factorial(3));
+    echo "$result\n";
+
+    $result = factorial2(return4(),return7());
+    echo "$result\n";
+
+    andi (3,10);
+}
+?>
+--EXPECT--
+hey
+blah
+hey
+blah
+Counting from 7 to 14
+7
+8
+9
+10
+11
+12
+13
+14
+hey
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+factorial(5) = 120
+factorial(6) = 720
+factorial(7) = 5040
+factorial(8) = 40320
+factorial(9) = 362880
+factorial(10) = 3628800
+and now, from a function...
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+(it should break at 5...)
+factorial(0) = 1
+factorial(1) = 1
+factorial(2) = 2
+factorial(3) = 6
+factorial(4) = 24
+------
+720
+840
+3
+4
+5
diff --git a/tests/core/func/004.phpt b/tests/core/func/004.phpt
new file mode 100644
index 00000000..11eb2deb
--- /dev/null
+++ b/tests/core/func/004.phpt
@@ -0,0 +1,62 @@
+--TEST--
+General function test
+--FILE--
+<?php
+function print_something_multiple_times($something,$times)
+{
+  echo "----\nIn function, printing the string \"$something\" $times times\n";
+  for ($i=0; $i<$times; $i++) {
+    echo "$i) $something\n";
+  }
+  echo "Done with function...\n-----\n";
+}
+
+function some_other_function()
+{
+  echo "This is some other function, to ensure more than just one function works fine...\n";
+}
+
+function main() {
+    echo "Before function declaration...\n";
+    echo "After function declaration...\n";
+
+    echo "Calling function for the first time...\n";
+    print_something_multiple_times("This works!",10);
+    echo "Returned from function call...\n";
+
+    echo "Calling the function for the second time...\n";
+    print_something_multiple_times("This like, really works and stuff...",3);
+    echo "Returned from function call...\n";
+
+    some_other_function();
+}
+?>
+--EXPECT--
+Before function declaration...
+After function declaration...
+Calling function for the first time...
+----
+In function, printing the string "This works!" 10 times
+0) This works!
+1) This works!
+2) This works!
+3) This works!
+4) This works!
+5) This works!
+6) This works!
+7) This works!
+8) This works!
+9) This works!
+Done with function...
+-----
+Returned from function call...
+Calling the function for the second time...
+----
+In function, printing the string "This like, really works and stuff..." 3 times
+0) This like, really works and stuff...
+1) This like, really works and stuff...
+2) This like, really works and stuff...
+Done with function...
+-----
+Returned from function call...
+This is some other function, to ensure more than just one function works fine...
diff --git a/tests/core/func/005.phpt b/tests/core/func/005.phpt
new file mode 100644
index 00000000..9d21817b
--- /dev/null
+++ b/tests/core/func/005.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Testing register_shutdown_function()
+--SKIPIF--
+<?php die("skip");?>
+--FILE--
+<?php
+
+function foo()
+{
+    print "foo";
+}
+function main() {
+    register_shutdown_function("foo");
+    print "foo() will be called on shutdown...\n";
+}
+?>
+--EXPECT--
+foo() will be called on shutdown...
+foo
diff --git a/tests/core/func/005a.phpt b/tests/core/func/005a.phpt
new file mode 100644
index 00000000..b4a6144d
--- /dev/null
+++ b/tests/core/func/005a.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Testing register_shutdown_function() with timeout. (Bug: #21513)
+--SKIPIF--
+<?php die("skip");?>
+<?php
+if (PHP_OS_FAMILY === 'Windows' && version_compare(PHP_VERSION, '8.4', '<')) {
+    die("xfail fails on Windows Server 2022 and newer.");
+}
+if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
+?>
+--FILE--
+<?php
+
+echo "Start\n";
+
+function boo()
+{
+    echo "Shutdown\n";
+}
+
+register_shutdown_function("boo");
+
+set_time_limit(1);
+
+/* infinite loop to simulate long processing */
+for (;;) {}
+
+echo "End\n";
+
+?>
+--EXPECTF--
+Start
+
+Fatal error: Maximum execution time of 1 second exceeded in %s on line %d
+Shutdown
diff --git a/tests/core/func/006.phpt b/tests/core/func/006.phpt
new file mode 100644
index 00000000..077b6f87
--- /dev/null
+++ b/tests/core/func/006.phpt
@@ -0,0 +1,26 @@
+--TEST--
+Output buffering tests
+--INI--
+output_buffering=0
+output_handler=
+zlib.output_compression=0
+zlib.output_handler=
+--FILE--
+<?php
+ob_start();
+echo ob_get_level();
+echo 'A';
+  ob_start();
+  echo ob_get_level();
+  echo 'B';
+  $b = ob_get_contents();
+  ob_end_clean();
+$a = ob_get_contents();
+ob_end_clean();
+
+var_dump( $b ); // 2B
+var_dump( $a ); // 1A
+?>
+--EXPECT--
+string(2) "2B"
+string(2) "1A"
diff --git a/tests/core/func/007.phpt b/tests/core/func/007.phpt
new file mode 100644
index 00000000..6a18d444
--- /dev/null
+++ b/tests/core/func/007.phpt
@@ -0,0 +1,22 @@
+--TEST--
+INI functions test
+--FILE--
+<?php
+
+$ini1 =  ini_get('include_path');
+ini_set('include_path','ini_set_works');
+echo ini_get('include_path')."\n";
+ini_restore('include_path');
+$ini2 =  ini_get('include_path');
+
+if ($ini1 !== $ini2) {
+        echo "ini_restore() does not work.\n";
+}
+else {
+        echo "ini_restore_works\n";
+}
+
+?>
+--EXPECT--
+ini_set_works
+ini_restore_works
diff --git a/tests/core/func/008.phpt b/tests/core/func/008.phpt
new file mode 100644
index 00000000..48098e13
--- /dev/null
+++ b/tests/core/func/008.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Test for buffering in core functions with implicit flush off
+--INI--
+implicit_flush=0
+--FILE--
+<?php
+$res = var_export("foo1");
+echo "\n";
+$res = var_export("foo2", TRUE);
+echo "\n";
+echo $res."\n";
+?>
+--EXPECT--
+'foo1'
+
+'foo2'
diff --git a/tests/core/func/009.phpt b/tests/core/func/009.phpt
new file mode 100644
index 00000000..05b40e8e
--- /dev/null
+++ b/tests/core/func/009.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Test for buffering in core functions with implicit flush on
+--INI--
+implicit_flush=1
+--FILE--
+<?php
+$res = var_export("foo1");
+echo "\n";
+$res = var_export("foo2", TRUE);
+echo "\n";
+echo $res."\n";
+?>
+--EXPECT--
+'foo1'
+
+'foo2'
diff --git a/tests/core/func/010.phpt b/tests/core/func/010.phpt
new file mode 100644
index 00000000..bc8cb8a4
--- /dev/null
+++ b/tests/core/func/010.phpt
@@ -0,0 +1,78 @@
+--TEST--
+function with many parameters
+--SKIPIF--
+<?php die("skip");?>
+<?php
+if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
+?>
+--FILE--
+<?php
+function test($a,$b)
+{
+    var_dump($a === $b);
+    test2($a,$b);
+}
+
+function test2($a, $b)
+{
+    if ($a !== $b) {
+        var_dump("something went wrong: $a !== $b");
+    }
+}
+
+function main() {
+    // the stack size + some random constant
+    $boundary = 16*1024-16;
+    $limit    = $boundary+42;
+
+    // generate the function
+    $str = "<?php\nfunction x(";
+
+    for($i=0; $i < $limit; ++$i) {
+        $str .= '$v'.dechex($i).($i===($limit-1) ? '' : ',');
+    }
+
+    $str .= ') {
+        test($v42, \'42\');
+        test(\'4000\', $v4000);
+        test2($v300, \'300\');
+        test($v0, \'0\'); // first
+        test($v'.dechex($limit-1).", '".dechex($limit-1).'\'); // last
+        test($v'.dechex($boundary).", '".dechex($boundary).'\'); //boundary
+        test($v'.dechex($boundary+1).", '".dechex($boundary+1).'\'); //boundary+1
+        test($v'.dechex($boundary-1).", '".dechex($boundary-1).'\'); //boundary-1
+    }';
+
+    // generate the function call
+    $str .= "\n\nx(";
+
+    for($i=0; $i< $limit; ++$i) {
+        $str .= "'".dechex($i)."'".($i===($limit-1) ? '' : ',');
+    }
+
+    $str .= ");\n";
+
+    $filename = __DIR__.'/010-file.php';
+    file_put_contents(__DIR__.'/010-file.php', $str);
+    unset($str);
+
+    include($filename);
+
+    echo "Done\n";
+}
+
+
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__.'/010-file.php');
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+Done
diff --git a/tests/core/func/011.phpt b/tests/core/func/011.phpt
new file mode 100644
index 00000000..368ed0b1
--- /dev/null
+++ b/tests/core/func/011.phpt
@@ -0,0 +1,9 @@
+--TEST--
+Test bitwise AND, OR, XOR, NOT and logical NOT in INI via error_reporting
+--INI--
+error_reporting = E_ALL & E_NOTICE | E_PARSE ^ E_DEPRECATED & ~E_WARNING | !E_ERROR
+--FILE--
+<?php
+assert(ini_get('error_reporting') > 0);
+?>
+--EXPECT--
diff --git a/tests/core/func/bug64523.phpt b/tests/core/func/bug64523.phpt
new file mode 100644
index 00000000..173a0e6a
--- /dev/null
+++ b/tests/core/func/bug64523.phpt
@@ -0,0 +1,12 @@
+--TEST--
+Bug #64523: XOR not parsed in INI
+--SKIPIF--
+<?php die("skip");?>
+--INI--
+error_reporting = E_ALL ^ E_NOTICE ^ E_WARNING ^ E_DEPRECATED
+--FILE--
+<?php
+echo ini_get('error_reporting');
+?>
+--EXPECT--
+22517
diff --git a/tests/core/func/ini_alter.phpt b/tests/core/func/ini_alter.phpt
new file mode 100644
index 00000000..258e4d2d
--- /dev/null
+++ b/tests/core/func/ini_alter.phpt
@@ -0,0 +1,18 @@
+--TEST--
+ini_alter() check
+--CREDITS--
+Sebastian Schürmann
+sebs@php.net
+Testfest 2009 Munich
+--FILE--
+<?php
+ini_alter('error_reporting', 1);
+$var = ini_get('error_reporting');
+var_dump($var);
+ini_alter('error_reporting', 0);
+$var = ini_get('error_reporting');
+var_dump($var);
+?>
+--EXPECT--
+string(1) "1"
+string(1) "0"
diff --git a/tests/core/strings/001.phpt b/tests/core/strings/001.phpt
new file mode 100644
index 00000000..e1260001
--- /dev/null
+++ b/tests/core/strings/001.phpt
@@ -0,0 +1,223 @@
+--TEST--
+String functions
+--FILE--
+<?php
+
+echo "Testing strtok: ";
+
+$str = "testing 1/2\\3";
+$tok1 = strtok($str, " ");
+$tok2 = strtok("/");
+$tok3 = strtok("\\");
+$tok4 = strtok(".");
+if ($tok1 != "testing") {
+    echo("failed 1\n");
+} elseif ($tok2 != "1") {
+    echo("failed 2\n");
+} elseif ($tok3 != "2") {
+    echo("failed 3\n");
+} elseif ($tok4 != "3") {
+    echo("failed 4\n");
+} else {
+    echo("passed\n");
+}
+
+echo "Testing strstr: ";
+$test = "This is a test";
+$found1 = strstr($test, chr(32));
+$found2 = strstr($test, "a ");
+if ($found1 != " is a test") {
+    echo("failed 1\n");
+} elseif ($found2 != "a test") {
+    echo("failed 2\n");
+} else {
+    echo("passed\n");
+}
+
+echo "Testing strrchr: ";
+$test = "fola fola blakken";
+$found1 = strrchr($test, "b");
+$found2 = strrchr($test, chr(102));
+if ($found1 != "blakken") {
+    echo("failed 1\n");
+} elseif ($found2 != "fola blakken") {
+    echo("failed 2\n");
+}
+else {
+    echo("passed\n");
+}
+
+echo "Testing strtoupper: ";
+$test = "abCdEfg";
+$upper = strtoupper($test);
+if ($upper == "ABCDEFG") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing strtolower: ";
+$test = "ABcDeFG";
+$lower = strtolower($test);
+if ($lower == "abcdefg") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing substr: ";
+$tests = $ok = 0;
+$string = "string12345";
+$tests++; if (substr($string, 2, 10) == "ring12345") { $ok++; }
+$tests++; if (substr($string, 4, 7) == "ng12345") { $ok++; }
+$tests++; if (substr($string, 4) == "ng12345") { $ok++; }
+$tests++; if (substr($string, 10, 2) == "5") { $ok++; }
+$tests++; if (substr($string, 6, 0) == "") { $ok++; }
+$tests++; if (substr($string, -2, 2) == "45") { $ok++; }
+$tests++; if (substr($string, 1, -1) == "tring1234") { $ok++; }
+$tests++; if (substr($string, -1, -2) == "") { $ok++; }
+$tests++; if (substr($string, -3, -2) == "3") { $ok++; }
+
+if ($tests == $ok) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+$raw = ' !"#$%&\'()*+,-./0123456789:;<=>?'
+     . '@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_'
+     . '`abcdefghijklmnopqrstuvwxyz{|}~'
+     . "";
+
+echo "Testing rawurlencode: ";
+$encoded = rawurlencode($raw);
+$correct = '%20%21%22%23%24%25%26%27%28%29%2A%2B%2C-.%2F0123456789%3A%3B%3C%3D%3E%3F'
+         . '%40ABCDEFGHIJKLMNOPQRSTUVWXYZ%5B%5C%5D%5E_'
+         . '%60abcdefghijklmnopqrstuvwxyz%7B%7C%7D~'
+         . '';
+if ($encoded == $correct) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing rawurldecode: ";
+$decoded = rawurldecode($correct);
+if ($decoded == $raw) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing urlencode: ";
+$encoded = urlencode($raw);
+$correct = '+%21%22%23%24%25%26%27%28%29%2A%2B%2C-.%2F0123456789%3A%3B%3C%3D%3E%3F'
+         . '%40ABCDEFGHIJKLMNOPQRSTUVWXYZ%5B%5C%5D%5E_'
+         . '%60abcdefghijklmnopqrstuvwxyz%7B%7C%7D%7E'
+         . '';
+if ($encoded == $correct) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing urldecode: ";
+$decoded = urldecode($correct);
+if ($decoded == $raw) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing quotemeta: ";
+$raw = "a.\\+*?" . chr(91) . "^" . chr(93) . "b\$c";
+$quoted = quotemeta($raw);
+if ($quoted == "a\\.\\\\\\+\\*\\?\\[\\^\\]b\\\$c") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing ufirst: ";
+$str = "fahrvergnuegen";
+$uc = ucfirst($str);
+if ($uc == "Fahrvergnuegen") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing strtr: ";
+$str = "test abcdefgh";
+$tr = strtr($str, "def", "456");
+if ($tr == "t5st abc456gh") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing addslashes: ";
+$str = "\"\\'";
+$as = addslashes($str);
+if ($as == "\\\"\\\\\\'") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing stripslashes: ";
+$str = "\$\\'";
+$ss = stripslashes($str);
+if ($ss == "\$'") {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+
+echo "Testing uniqid(true): ";
+$str = "prefix";
+$ui1 = uniqid($str, true);
+$ui2 = uniqid($str, true);
+
+$len = 29;
+
+if (strlen($ui1) == strlen($ui2) && strlen($ui1) == $len && $ui1 != $ui2) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+echo "Testing uniqid(false): ";
+$str = "prefix";
+$ui1 = uniqid($str);
+usleep( 1 );
+$ui2 = uniqid($str);
+
+$len = strncasecmp(PHP_OS, 'CYGWIN', 6) ? 19 : 29;
+
+if (strlen($ui1) == strlen($ui2) && strlen($ui1) == $len && $ui1 != $ui2) {
+    echo("passed\n");
+} else {
+    echo("failed!\n");
+}
+
+?>
+--EXPECT--
+Testing strtok: passed
+Testing strstr: passed
+Testing strrchr: passed
+Testing strtoupper: passed
+Testing strtolower: passed
+Testing substr: passed
+Testing rawurlencode: passed
+Testing rawurldecode: passed
+Testing urlencode: passed
+Testing urldecode: passed
+Testing quotemeta: passed
+Testing ufirst: passed
+Testing strtr: passed
+Testing addslashes: passed
+Testing stripslashes: passed
+Testing uniqid(true): passed
+Testing uniqid(false): passed
diff --git a/tests/core/strings/002.phpt b/tests/core/strings/002.phpt
new file mode 100644
index 00000000..ee970100
--- /dev/null
+++ b/tests/core/strings/002.phpt
@@ -0,0 +1,89 @@
+--TEST--
+Formatted print functions
+--FILE--
+<?php
+
+$fp = fopen("php://stdout", "w");
+$x = fprintf($fp, "fprintf test 1:%.5s", "abcdefghij");
+echo "\n";
+var_dump($x);
+
+printf("printf test 1:%s\n", "simple string");
+printf("printf test 2:%d\n", 42);
+printf("printf test 3:%f\n", 10.0/3);
+printf("printf test 4:%.10f\n", 10.0/3);
+printf("printf test 5:%-10.2f\n", 2.5);
+printf("printf test 6:%-010.2f\n", 2.5);
+printf("printf test 7:%010.2f\n", 2.5);
+printf("printf test 8:<%20s>\n", "foo");
+printf("printf test 9:<%-20s>\n", "bar");
+printf("printf test 10: 123456789012345\n");
+printf("printf test 10:<%15s>\n", "hoyesterettsjustitiarius");
+printf("printf test 11: 123456789012345678901234567890\n");
+printf("printf test 11:<%30s>\n", "hoyesterettsjustitiarius");
+printf("printf test 12:%5.2f\n", -12.34);
+printf("printf test 13:%5d\n", -12);
+printf("printf test 14:%c\n", 64);
+printf("printf test 15:%b\n", 170);
+printf("printf test 16:%x\n", 170);
+printf("printf test 17:%X\n", 170);
+printf("printf test 18:%16b\n", 170);
+printf("printf test 19:%16x\n", 170);
+printf("printf test 20:%16X\n", 170);
+printf("printf test 21:%016b\n", 170);
+printf("printf test 22:%016x\n", 170);
+printf("printf test 23:%016X\n", 170);
+printf("printf test 24:%.5s\n", "abcdefghij");
+printf("printf test 25:%-2s\n", "gazonk");
+printf("printf test 26:%2\$d %1\$d\n", 1, 2);
+printf("printf test 27:%3\$d %d %d\n", 1, 2, 3);
+printf("printf test 28:%2\$02d %1\$2d\n", 1, 2);
+printf("printf test 29:%2\$-2d %1\$2d\n", 1, 2);
+//try {
+//    print("printf test 30:"); printf("%0\$s", 1); print("x\n");
+//} catch(\ValueError $e) {
+//    print('Error found: '.$e->getMessage()."\n");
+//}
+printf("printf test 31:%.17g\n", INF);
+printf("printf test 32:%.17g\n", -INF);
+vprintf("vprintf test 1:%2\$-2d %1\$2d\n", array(1, 2));
+
+
+?>
+--EXPECT--
+fprintf test 1:abcde
+int(20)
+printf test 1:simple string
+printf test 2:42
+printf test 3:3.333333
+printf test 4:3.3333333333
+printf test 5:2.50      
+printf test 6:2.50000000
+printf test 7:0000002.50
+printf test 8:<                 foo>
+printf test 9:<bar                 >
+printf test 10: 123456789012345
+printf test 10:<hoyesterettsjustitiarius>
+printf test 11: 123456789012345678901234567890
+printf test 11:<      hoyesterettsjustitiarius>
+printf test 12:-12.34
+printf test 13:  -12
+printf test 14:@
+printf test 15:10101010
+printf test 16:aa
+printf test 17:AA
+printf test 18:        10101010
+printf test 19:              aa
+printf test 20:              AA
+printf test 21:0000000010101010
+printf test 22:00000000000000aa
+printf test 23:00000000000000AA
+printf test 24:abcde
+printf test 25:gazonk
+printf test 26:2 1
+printf test 27:3 1 2
+printf test 28:02  1
+printf test 29:2   1
+printf test 31:INF
+printf test 32:-INF
+vprintf test 1:2   1
diff --git a/tests/core/strings/004.phpt b/tests/core/strings/004.phpt
new file mode 100644
index 00000000..45827883
--- /dev/null
+++ b/tests/core/strings/004.phpt
@@ -0,0 +1,17 @@
+--TEST--
+highlight_string() buffering
+--INI--
+highlight.string=#DD0000
+highlight.comment=#FF9900
+highlight.keyword=#007700
+highlight.default=#0000BB
+highlight.html=#000000
+--FILE--
+<?php
+$var = highlight_string("<br /><?php echo \"foo\"; ?><br />");
+$var = highlight_string("<br /><?php echo \"bar\"; ?><br />", TRUE);
+echo "\n[$var]\n";
+?>
+--EXPECT--
+<pre><code style="color: #000000">&lt;br /&gt;<span style="color: #0000BB">&lt;?php </span><span style="color: #007700">echo </span><span style="color: #DD0000">"foo"</span><span style="color: #007700">; </span><span style="color: #0000BB">?&gt;</span>&lt;br /&gt;</code></pre>
+[<pre><code style="color: #000000">&lt;br /&gt;<span style="color: #0000BB">&lt;?php </span><span style="color: #007700">echo </span><span style="color: #DD0000">"bar"</span><span style="color: #007700">; </span><span style="color: #0000BB">?&gt;</span>&lt;br /&gt;</code></pre>]
diff --git a/tests/core/strings/offsets_chaining_1.phpt b/tests/core/strings/offsets_chaining_1.phpt
new file mode 100644
index 00000000..18b6fa2f
--- /dev/null
+++ b/tests/core/strings/offsets_chaining_1.phpt
@@ -0,0 +1,9 @@
+--TEST--
+testing the behavior of string offset chaining
+--FILE--
+<?php
+$string = "foobar";
+var_dump($string[0][0][0][0]);
+?>
+--EXPECT--
+string(1) "f"
diff --git a/tests/zend/add_001.phpt b/tests/zend/add_001.phpt
new file mode 100644
index 00000000..be3cbe43
--- /dev/null
+++ b/tests/zend/add_001.phpt
@@ -0,0 +1,80 @@
+--TEST--
+adding arrays
+--FILE--
+<?php
+
+$a = array(1,2,3);
+$b = array("str", "here");
+
+$c = $a + $b;
+var_dump($c);
+
+$a = array(1,2,3);
+$b = array(1,2,4);
+
+$c = $a + $b;
+var_dump($c);
+
+$a = array();
+$a["a"] = "aaa";
+$a[] = 2;
+$a[] = 3;
+
+$b = array();
+$b[] = 1;
+$b[] = 2;
+$b["a"] = "bbbbbb";
+
+$c = $a + $b;
+var_dump($c);
+
+$a += $b;
+var_dump($c);
+
+$a += $a;
+var_dump($c);
+
+echo "Done\n";
+?>
+--EXPECT--
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(3) {
+  ["a"]=>
+  string(3) "aaa"
+  [0]=>
+  int(2)
+  [1]=>
+  int(3)
+}
+array(3) {
+  ["a"]=>
+  string(3) "aaa"
+  [0]=>
+  int(2)
+  [1]=>
+  int(3)
+}
+array(3) {
+  ["a"]=>
+  string(3) "aaa"
+  [0]=>
+  int(2)
+  [1]=>
+  int(3)
+}
+Done
diff --git a/tests/zend/array_unpack/basic.phpt b/tests/zend/array_unpack/basic.phpt
new file mode 100644
index 00000000..7ef62a82
--- /dev/null
+++ b/tests/zend/array_unpack/basic.phpt
@@ -0,0 +1,122 @@
+--TEST--
+Basic array unpacking
+--SKIPIF--
+<?php die("skip");?>
+--FILE--
+<?php
+function getArr() {
+    return [4, 5];
+}
+
+function arrGen() {
+    for($i = 11; $i < 15; $i++) {
+        yield $i;
+    }
+}
+
+function main() {
+    $array = [1, 2, 3];
+    var_dump([...[]]);
+    var_dump([...[1, 2, 3]]);
+    var_dump([...$array]);
+    var_dump([...getArr()]);
+    var_dump([...arrGen()]);
+    var_dump([...new ArrayIterator(['a', 'b', 'c'])]);
+
+    var_dump([0, ...$array, ...getArr(), 6, 7, 8, 9, 10, ...arrGen()]);
+    var_dump([0, ...$array, ...$array, 'end']);
+}
+?>
+--EXPECT--
+array(0) {
+}
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(3) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+array(2) {
+  [0]=>
+  int(4)
+  [1]=>
+  int(5)
+}
+array(4) {
+  [0]=>
+  int(11)
+  [1]=>
+  int(12)
+  [2]=>
+  int(13)
+  [3]=>
+  int(14)
+}
+array(3) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+}
+array(15) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+  [3]=>
+  int(3)
+  [4]=>
+  int(4)
+  [5]=>
+  int(5)
+  [6]=>
+  int(6)
+  [7]=>
+  int(7)
+  [8]=>
+  int(8)
+  [9]=>
+  int(9)
+  [10]=>
+  int(10)
+  [11]=>
+  int(11)
+  [12]=>
+  int(12)
+  [13]=>
+  int(13)
+  [14]=>
+  int(14)
+}
+array(8) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+  [3]=>
+  int(3)
+  [4]=>
+  int(1)
+  [5]=>
+  int(2)
+  [6]=>
+  int(3)
+  [7]=>
+  string(3) "end"
+}
diff --git a/tests/zend/concat/concat_002.phpt b/tests/zend/concat/concat_002.phpt
new file mode 100644
index 00000000..c9f74951
--- /dev/null
+++ b/tests/zend/concat/concat_002.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Stress test $x .= $x
+--FILE--
+<?php
+
+/*
+ * Test case for a concat_function() change that broke a test outside of Zend
+ *
+ * @see https://github.com/php/php-src/commit/29397f8fd2b4bc8d95e18448ca2d27a62241a407
+**/
+
+$result = 'f';
+
+for ($i = 0; $i < 25; ++$i) {
+    $result .= $result;
+}
+
+var_dump(strlen($result));
+echo "Done\n";
+?>
+--EXPECT--
+int(33554432)
+Done
diff --git a/tests/zend/concat/concat_003.phpt b/tests/zend/concat/concat_003.phpt
new file mode 100644
index 00000000..ed4026af
--- /dev/null
+++ b/tests/zend/concat/concat_003.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Concatenating many small strings should not slowdown allocations
+--SKIPIF--
+<?php
+//if (PHP_DEBUG) { die ("skip debug version is slow"); }
+//if (getenv('SKIP_PERF_SENSITIVE')) die("skip performance sensitive test");
+?>
+--FILE--
+<?php
+
+$time = microtime(TRUE);
+
+/* This might vary on Linux/Windows, so the worst case and also count in slow machines. */
+$t_max = 1.0;
+
+$datas = array_fill(0, 220000, [
+    '000.000.000.000',
+    '000.255.255.255',
+    '保留地址',
+    '保留地址',
+    '保留地址',
+    '保留地址',
+    '保留地址',
+    '保留地址',
+]);
+
+$time = microtime(TRUE);
+$texts = '';
+foreach ($datas AS $data)
+{
+    $texts .= implode("\t", $data) . "\r\n";
+}
+
+$t = microtime(TRUE) - $time;
+var_dump($t < $t_max);
+echo "+++DONE+++\n";
+?>
+--EXPECT--
+bool(true)
++++DONE+++
diff --git a/tests/zend/foreach/foreach_002.phpt b/tests/zend/foreach/foreach_002.phpt
new file mode 100644
index 00000000..325a3ffa
--- /dev/null
+++ b/tests/zend/foreach/foreach_002.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Creating recursive array on foreach using same variable
+--INI--
+zend.enable_gc=1
+--SKIPIF--
+<?php die("skip");?>
+--FILE--
+<?php
+
+error_reporting(E_ALL);
+
+foreach (($a = array('a' => array('a' => &$a))) as $a) {
+    var_dump($a);
+}
+
+?>
+--EXPECT--
+array(1) {
+  ["a"]=>
+  *RECURSION*
+}
diff --git a/tests/zend/foreach/foreach_003.phpt b/tests/zend/foreach/foreach_003.phpt
new file mode 100644
index 00000000..d30802f2
--- /dev/null
+++ b/tests/zend/foreach/foreach_003.phpt
@@ -0,0 +1,73 @@
+--TEST--
+Iterator exceptions in foreach by value
+--SKIPIF--
+<?php die("skip");?>
+--FILE--
+<?php
+class IT implements Iterator {
+    private $n = 0;
+    private $count = 0;
+    private $trap = null;
+
+    function __construct($count, $trap = null) {
+        $this->count = $count;
+        $this->trap = $trap;
+    }
+
+    function trap($trap) {
+        if ($trap === $this->trap) {
+            throw new Exception($trap);
+        }
+    }
+
+    function rewind(): void  {$this->trap(__FUNCTION__); $this->n = 0;}
+    function valid(): bool   {$this->trap(__FUNCTION__); return $this->n < $this->count;}
+    function key(): mixed     {$this->trap(__FUNCTION__); return $this->n;}
+    function current(): mixed {$this->trap(__FUNCTION__); return $this->n;}
+    function next(): void    {$this->trap(__FUNCTION__); $this->n++;}
+}
+
+foreach(['rewind', 'valid', 'key', 'current', 'next'] as $trap) {
+    $obj = new IT(3, $trap);
+    try {
+        // IS_CV
+        foreach ($obj as $key => $val) echo "$val\n";
+    } catch (Exception $e) {
+        echo $e->getMessage() . "\n";
+    }
+    unset($obj);
+
+    try {
+        // IS_VAR
+        foreach (new IT(3, $trap) as $key => $val) echo "$val\n";
+    } catch (Exception $e) {
+        echo $e->getMessage() . "\n";
+    }
+
+    try {
+        // IS_TMP_VAR
+        foreach ((object)new IT(2, $trap) as $key => $val) echo "$val\n";
+    } catch (Exception $e) {
+        echo $e->getMessage() . "\n";
+    }
+}
+?>
+--EXPECT--
+rewind
+rewind
+rewind
+valid
+valid
+valid
+key
+key
+key
+current
+current
+current
+0
+next
+0
+next
+0
+next
diff --git a/tests/zend/foreach/foreach_005.phpt b/tests/zend/foreach/foreach_005.phpt
new file mode 100644
index 00000000..097d74d4
--- /dev/null
+++ b/tests/zend/foreach/foreach_005.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Nested foreach by reference on the same array
+--FILE--
+<?php
+$a = [1,2,3];
+foreach($a as &$x) {
+    foreach($a as &$y) {
+        echo "$x-$y\n";
+        $y++;
+    }
+}
+?>
+--EXPECT--
+1-1
+2-2
+2-3
+3-2
+3-3
+4-4
+5-3
+5-4
+5-5
diff --git a/tests/zend/foreach/foreach_006.phpt b/tests/zend/foreach/foreach_006.phpt
new file mode 100644
index 00000000..8e81a686
--- /dev/null
+++ b/tests/zend/foreach/foreach_006.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Foreach by reference on constant
+--FILE--
+<?php
+for ($i = 0; $i < 3; $i++) {
+    foreach ([1,2,3] as &$val) {
+        echo "$val\n";
+    }
+}
+?>
+--EXPECT--
+1
+2
+3
+1
+2
+3
+1
+2
+3
diff --git a/tests/zend/foreach/foreach_007.phpt b/tests/zend/foreach/foreach_007.phpt
new file mode 100644
index 00000000..09cf6024
--- /dev/null
+++ b/tests/zend/foreach/foreach_007.phpt
@@ -0,0 +1,13 @@
+--TEST--
+Foreach by reference and inserting new element when we are already at the end
+--FILE--
+<?php
+$a = [1];
+foreach($a as &$v) {
+    echo "$v\n";
+    $a[1]=2;
+}
+?>
+--EXPECT--
+1
+2