3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $mew=array(); if(preg_match("#^[a-z0-9._-]+@[a-z0-9._-]{2,}\.[a-z]{2,4}$#", $mew)) { echo "lol"; } ?>
Output for 5.3.7 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: preg_match() expects parameter 2 to be string, array given in /in/sKe5U on line 3