- ob_get_clean: documentation ( source)
- phpcredits: documentation ( source)
- ob_start: documentation ( source)
- reset: documentation ( source)
- str_split: documentation ( source)
- ord: documentation ( source)
<?php
ob_start();phpcredits();$d='';$c=0;foreach (str_split(reset(ob_get_clean())) as $x) {$d.=ord($x^$c);$c=$x;}echo $d;