- var_dump: documentation ( source)
- unserialize: documentation ( source)
<?php
$serialized = 'O:7:"MyClass":1:{s:4:"prop";s:15:"searched-string";}';
$myClass = unserialize($serialized);
var_dump($myClass);
var_dump($myClass instanceof __PHP_Incomplete_Class);
var_dump(is_object($myClass));