Online PHP editor | refs for kE5tF

<?php class A { private $a; private $b; public function __construct($a) { $this->a = $a; $this->b = $a; } public function __sleep() { return array('a'); } public function __wakeUp() { $this->__construct($this->a); } public function getA() { return $this->a; } public function getB() { return $this->b; } } class B implements \Serializable { private $a; private $b; public function __construct($a) { $this->a = $a; $this->b = $a; } public function serialize() { return array($this->a); } public function unserialize($serialized) { list($this->a) = unserialize($serialized); $this->__construct($this->a); } public function getA() { return $this->a; } public function getB() { return $this->b; } } $a = new A('a'); $b = new B('b'); $serializedA = serialize($a); $serializedB = serialize($b); var_dump($serializedA); var_dump($serializedB);