- var_dump: documentation ( source)
- unserialize: documentation ( source)
<?php
class a {
}
class b {
}
$as = 'O:1:"a":0:{}';
$bs = 'O:1:"b":0:{}';
var_dump(unserialize($as, array('allowed_asss' => 'a') ));
var_dump(unserialize($bs, array('allowed_asss' => 'a') ));