3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $checkfor = 'test'; $words = array('test','derp','herp'); for ($i = 1; $i++ < 100000;){ $flipped = array_flip($words); if (isset($flipped[$checkfor])) { echo "match\n"; } } /* if (in_array($checkfor,$words)) { echo "non-flip match"; } */

Abusive script

This script was stopped while abusing our resources