3v4l.org

run code in 300+ PHP versions simultaneously
<?php $id ="sylvanas\\/*"; if(preg_match("/'|\\\\/i", $id)){ echo('hacking detected'); } else { echo('bypassed!'); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
hacking detected
preferences:
147.54 ms | 403 KiB | 204 Q