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<?php class MyElement extends \DOMElement { public function __get($name) { if (defined('HHVM_VERSION')) { return parent::__get($name); } return $this->$name; } } $dom = new DOMDocument(); $dom->registerNodeClass('DOMElement', 'MyElement'); $dom->appendChild($dom->createElement('Foo', 'Bar')); echo $dom->documentElement->nodeValue; echo $dom->documentElement->UNKNOWN_PROPERTY;
Output for git.master, git.master_jit, rfc.property-hooks
Bar Warning: Undefined property: MyElement::$UNKNOWN_PROPERTY in /in/rLOLC on line 8

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