3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} $foo = new Foo( // readonly public $allTheThings = '42'; ); $foo->allTheThings = 'all your base'; echo $foo->allTheThings;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property Foo::$allTheThings is deprecated in /in/0mION on line 9 all your base
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
all your base
preferences:
185.85 ms | 405 KiB | 311 Q