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run code in 200+ php & hhvm versions
Bugs & Features
<?php class MyElement extends DOMElement { public $id; public static $next = 0; function init() { $this->id = MyElement::$next++; echo "Initializing DOMElement #" . $this->id . ": " . $this->tagName . "\n"; return $this; } function __destruct() { echo "Destructing DOMElement #" . $this->id . ": " . $this->tagName . "\n"; } function info() { echo "Querying DOMElement #" . $this->id . ": " . $this->tagName . "\n"; } } function foo() { echo "Enter foo()\n"; $dom = new DOMDocument; $dom->registerNodeClass('DOMElement', 'MyElement'); $child = $dom->createElement('foo')->init(); $grandchild = $dom->createElement('bar')->init(); $greatgrandchild = $dom->createElement('fiz')->init(); $grandchild->appendChild($greatgrandchild); $child->appendChild($grandchild); $dom->appendChild($child); echo "Leave foo()\n"; return $grandchild; } function bar() { echo "Enter bar()\n"; $g = foo(); $fooList = $g->getElementsByTagName('fiz'); foreach ($fooList as $foo) { $foo->info(); var_dump($foo->getNodePath()); } echo "Leave bar()\n"; } echo "Enter main()\n"; bar(); echo "Leave main()\n";
based on AQaML
Output for 5.3.0 - 7.2.0
Enter main() Enter bar() Enter foo() Initializing DOMElement #0: foo Initializing DOMElement #1: bar Initializing DOMElement #2: fiz Leave foo() Destructing DOMElement #0: foo Destructing DOMElement #2: fiz Querying DOMElement #: fiz string(12) "/foo/bar/fiz" Leave bar() Destructing DOMElement #1: bar Destructing DOMElement #: fiz Leave main()
Output for 5.2.6 - 5.2.17
Enter main() Enter bar() Enter foo() Initializing DOMElement #0: foo Initializing DOMElement #1: bar Initializing DOMElement #2: fiz Leave foo() Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #0: Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #2: Querying DOMElement #: fiz string(12) "/foo/bar/fiz" Leave bar() Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #1: Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #: Leave main()
Output for 5.2.0 - 5.2.5
Enter main() Enter bar() Enter foo() Initializing DOMElement #0: foo Initializing DOMElement #1: bar Initializing DOMElement #2: fiz Leave foo() Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #0: Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #2: Querying DOMElement #: fiz string(12) "/foo/bar/fiz" Leave bar() Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #1: Notice: Undefined property: MyElement::$tagName in /in/FtFt6 on line 15 Destructing DOMElement #: Leave main()
Output for 5.0.0 - 5.1.6
Enter main() Enter bar() Enter foo() Fatal error: Call to undefined method DOMDocument::registerNodeClass() in /in/FtFt6 on line 26
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FtFt6 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FtFt6 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/FtFt6 on line 4
Process exited with code 255.