3v4l.org

run code in 300+ PHP versions simultaneously
<?php Class Foo { } $unserialize = unserialize( serialize(new Foo), ['allowed_classes' => []] ); var_dump($unserialize);
Output for 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, 8.1.0 - 8.1.26, 8.2.0 - 8.2.13, 8.3.0
object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(3) "Foo" }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: unserialize() expects exactly 1 parameter, 2 given in /in/2pjom on line 8 bool(false)

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156.05 ms | 402 KiB | 363 Q