3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $id ="sylvanas'"; if(preg_match("/'|\\\\/i", $id)){ echo('hacking detected'); } else { echo('bypassed!'); }
based on D9KXe
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
hacking detected