3v4l.org

run code in 300+ PHP versions simultaneously
<?php #[\AllowDynamicProperties] class Foo { } new Foo;
Output for 7.2.34, 7.4.33, 8.1.23 - 8.1.30, 8.2.10 - 8.2.25, 8.3.0 - 8.3.13
preferences:
50.65 ms | 406 KiB | 5 Q