3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('remboursement' => 'remboursement'); $key = 'MER'; if(preg_match("/".$key."/i", join(",", array_keys($arr)))){ echo "oui"; } else{ echo "non"; }
Output for 4.3.0 - 7.1.0
non