- var_dump: documentation ( source)
- unserialize: documentation ( source)
- serialize: documentation ( source)
<?php
$html = '<!DOCTYPE HTML><html><head></head><body>
Hello World
</body></html>';
$domd=new DOMDocument();
$domd->loadHTML($html);
$serialized=serialize($domd); // O:11:"DOMDocument":0:{}
$unserialized=unserialize($serialized);
var_dump($domd->textContent); // Hello World
var_dump($unserialized->textContent); // null... and a Warning: main(): Invalid State Error