3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { private $data; public function __construct() { $this->data = "My private data"; } public function serialize() { echo 'serialize' . PHP_EOL; return serialize($this->data); } public function unserialize($data) { echo 'unserialize' . PHP_EOL; $this->data = unserialize($data); } public function getData() { return $this->data; } } $obj = new obj; $ser = serialize($obj); var_dump($ser); $unser = unserialize($ser); echo($unser->getData());
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Deprecated: obj implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/Tp4UF on line 3 serialize string(38) "C:3:"obj":23:{s:15:"My private data";}" unserialize My private data
Output for 8.0.1 - 8.0.30
serialize string(38) "C:3:"obj":23:{s:15:"My private data";}" unserialize My private data
preferences:
87.53 ms | 407 KiB | 5 Q