支持 empty 语法

src/Php/Translator.php

@@ -598,6 +598,8 @@ class Translator extends \PhpAot\Core\Translator
         switch ($type) {
             case 'Expr_Isset':
                 return $this->parseIsset($expr);
+            case 'Expr_Empty':
+                return $this->parseEmpty($expr);
             case 'Expr_Assign':
                 return $this->parseAssign($expr);
             case 'Expr_AssignRef':
@@ -2218,6 +2220,11 @@ class Translator extends \PhpAot\Core\Translator
         }
     }
 
+    private function parseEmpty(mixed $expr): string
+    {
+        return 'php::empty(' . $this->parseExpr($expr->expr) . ')';
+    }
+
     private function parseCastArray(mixed $expr): string
     {
         return $this->convertArrayExpr($this->parseIdentifier($expr->expr));

tests/core/lang/empty_variation.phpt

@@ -0,0 +1,14 @@
+--TEST--
+empty() on array elements
+--FILE--
+<?php
+$a=array('0' => '0', 'empty' => '0');
+var_dump(empty($a['empty']));
+var_dump(empty($a[0]));
+$b='0';
+var_dump(empty($b));
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)

tests/core/lang/foreachLoop.004.phpt

@@ -0,0 +1,76 @@
+--TEST--
+Foreach loop tests - using an array element as the $value
+--FILE--
+<?php
+
+$a=array("a", "b", "c");
+$v=array();
+foreach($a as $v[0]) {
+    var_dump($v);
+}
+var_dump($a);
+var_dump($v);
+
+echo "\n";
+$a=array("a", "b", "c");
+$v=array();
+foreach($a as $k=>$v[0]) {
+    var_dump($k, $v);
+}
+var_dump($a);
+var_dump($k, $v);
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  string(1) "a"
+}
+array(1) {
+  [0]=>
+  string(1) "b"
+}
+array(1) {
+  [0]=>
+  string(1) "c"
+}
+array(3) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+}
+array(1) {
+  [0]=>
+  string(1) "c"
+}
+
+int(0)
+array(1) {
+  [0]=>
+  string(1) "a"
+}
+int(1)
+array(1) {
+  [0]=>
+  string(1) "b"
+}
+int(2)
+array(1) {
+  [0]=>
+  string(1) "c"
+}
+array(3) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(1) "c"
+}
+int(2)
+array(1) {
+  [0]=>
+  string(1) "c"
+}

tests/core/lang/string_decimals_001.phpt

@@ -0,0 +1,44 @@
+--TEST--
+String conversion with multiple decimal points
+--FILE--
+<?php
+function test($str) {
+  echo "\n--> Testing $str:\n";
+  var_dump((int)$str);
+  var_dump((float)$str);
+  var_dump($str > 0);
+}
+
+function main() {
+    test("..9");
+    test(".9.");
+    test("9..");
+    test("9.9.");
+    test("9.9.9");
+}
+?>
+--EXPECT--
+--> Testing ..9:
+int(0)
+float(0)
+bool(false)
+
+--> Testing .9.:
+int(0)
+float(0.9)
+bool(false)
+
+--> Testing 9..:
+int(9)
+float(9)
+bool(true)
+
+--> Testing 9.9.:
+int(9)
+float(9.9)
+bool(true)
+
+--> Testing 9.9.9:
+int(9)
+float(9.9)
+bool(true)

tests/core/lang/throw_variation_001.phpt

@@ -0,0 +1,13 @@
+--TEST--
+Catching an exception thrown from an included file
+--FILE--
+<?php
+
+try {
+    include __DIR__ . "/inc_throw.inc";
+} catch (Exception $e) {
+    echo "caught exception\n";
+}
+?>
+--EXPECT--
+caught exception

tests/core/lang/zend_throw_exception_001.phpt

@@ -0,0 +1,13 @@
+--TEST--
+zend_throw_exception with NULL message
+--FILE--
+<?php
+try {
+    $assert = 'assert';
+    $assert(false);
+} catch (AssertionError $assertionError) {
+    echo 'Done' . PHP_EOL;
+}
+?>
+--EXPECT--
+Done