3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ private $foo = 100; function __debugInfo(){ return null; } } var_dump(new Foo);
Output for 8.5.0 - 8.5.3
Deprecated: Returning null from Foo::__debugInfo() is deprecated, return an empty array instead in /in/4Z9W9 on line 10 object(Foo)#1 (0) { }
Output for 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, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
object(Foo)#1 (0) { }
preferences:
85.13 ms | 1936 KiB | 4 Q