3v4l.org

run code in 500+ PHP versions simultaneously
<?php class SerializableDomDocument // extends DOMDocument { private $xmlData; /** * @return array */ public function __sleep() { //$this->xmlData = $this->saveXML(); $this->xmlData = []; return ['xmlData']; } public function __wakeup() { $this->xmlData = ['xmlData']; } } $dom = new SerializableDomDocument('1.0', 'UTF-8'); //$dom->loadXML('<tag>value</tag>'); $ser = serialize($dom); var_dump($ser); var_dump(unserialize($ser));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
string(81) "O:23:"SerializableDomDocument":1:{s:32:"SerializableDomDocumentxmlData";a:0:{}}" object(SerializableDomDocument)#2 (1) { ["xmlData":"SerializableDomDocument":private]=> array(1) { [0]=> string(7) "xmlData" } }
preferences:
88.53 ms | 1302 KiB | 4 Q