[TOC] ## 实例 ``` class obj implements Serializable { private $data; public function __construct() { $this->data = "My private data"; } public function serialize() { return serialize($this->data); } public function unserialize($data) { $this->data = unserialize($data); } public function getData() { return $this->data; } } $obj = new obj; $ser = serialize($obj); $newobj = unserialize($ser); var_dump($newobj->getData()); ```