3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $password = "Derp\a\a\a\a"; echo preg_replace('/\\[a-z]$/gi','',$password);
Output for 4.3.11 - 7.1.0
Warning: preg_replace(): Unknown modifier 'g' in /in/nPOEn on line 3
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'g' in /in/nPOEn on line 3