3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $name = ''; }
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
preferences:
85.8 ms | 407 KiB | 5 Q