3v4l.org

run code in 500+ PHP versions simultaneously
<?php $action = empty($_POST['action']) ? 'default' : $_POST['action'];
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
preferences:
68.2 ms | 1134 KiB | 4 Q