Online PHP editor | refs for Xa3vX

<?php class D { } class E extends D { public $D; } class F extends D { public $D; public $E; } class A implements Serializable { public function serialize () { $serialized = array(); foreach($this as $prop => $val) { $serialized[$prop] = $val; } return serialize($serialized); //return serialize(get_object_vars($this)); } function unserialize($serialized) { foreach(unserialize($serialized) as $prop => $val) { $this->$prop = $val; } return true; } } class B extends A { public $A; } class C extends A { public $A; public $B; } $oC = new C(); $oC->A = new A(); $oC->B = new B(); $oC->B->A = $oC->A; $oF = new F(); $oF->D = new D(); $oF->E = new E(); $oF->E->D = $oF->D; $ser = serialize($oC); echo $ser, "\n"; $ser = serialize($oF); echo $ser, "\n";