3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { private $data; public function __construct() { $this->data = "My private data"; } public function serialize() { return serialize($this); } public function unserialize($data) { unserialize($data); } public function getData() { return $this->data; } } $obj = new obj; $ser = serialize($obj); var_dump($ser); $newobj = unserialize($ser); var_dump($newobj->getData());
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
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/8I1KD on line 3 string(18) "C:3:"obj":4:{r:1;}" NULL
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(18) "C:3:"obj":4:{r:1;}" NULL
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29

Process exited with code 139.
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/8I1KD on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/8I1KD on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/8I1KD on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/8I1KD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/8I1KD on line 3
Process exited with code 255.
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288.09 ms | 401 KiB | 461 Q