3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url = null; $result = $url && strlen($url) !== 0 && strtolower(substr($url, -4)) === '.gif';
based on t77LQ
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0