3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $bar = null; } $class = unserialize('O:3:"Foo":1:{s:3:"bar";s:3:"baz";}'); var_dump($class);
Output for 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(Foo)#1 (1) { ["bar":protected]=> string(3) "baz" }
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
object(Foo)#1 (2) { ["bar":protected]=> NULL ["bar"]=> string(3) "baz" }
preferences:
92.97 ms | 407 KiB | 5 Q