Online PHP editor | refs for YfKjS

<?php class A { public $e = array(); } $c = new A; for ($i = 0; $i < 4; $i++) { $e = new A; $c->e[] = $e; $e->e = $c->e; } unserialize(serialize($c)); class Token implements \Serializable { public function serialize() { global $c; return serialize(array(serialize($c))); } public function unserialize($str) { $r = unserialize($str); $r = unserialize($r[0]); } } $token = new Token; $token = serialize($token); unserialize($token);