3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $options = 'fr=1&mm=1'; $arr = explode('&',$option); print_r($arr,1); sort($arr); print_r($arr,1);
based on g13Ed
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: option in /in/8Ds8L on line 3
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: option in /in/8Ds8L on line 3