3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo(preg_match('/^(\d-\s)+$/', '1-2-3'));
Output for 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
0
preferences:
47.7 ms | 406 KiB | 5 Q