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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace DOMWorks; use \DOMNode, \DOMElement, \DOMDocument; class Node extends DOMNode { public function foo() { echo "Yay for foo!"; } } class Element extends DOMElement { public function bar() { echo "Yay for bar!"; } } class Document extends DOMDocument { public function __construct($version = null, $encoding = null) { parent::__construct($version, $encoding); $this->registerNodeClass('\DOMElement', __NAMESPACE__ . '\Element'); $this->registerNodeClass('\DOMNode', __NAMESPACE__ . '\Node'); } // methods... } $doc = new Document; $doc->foo();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined method DOMWorks\Document::foo() in /in/ScD0n:38 Stack trace: #0 {main} thrown in /in/ScD0n on line 38
Process exited with code 255.
Output for 5.3.0 - 5.6.21, hhvm-3.12.0
Fatal error: Call to undefined method DOMWorks\Document::foo() in /in/ScD0n on line 38
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/ScD0n on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/ScD0n on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ScD0n on line 3
Process exited with code 255.