3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = CÓco; print strtolower($str);
Output for 5.5.0 - 7.1.0
Notice: Use of undefined constant CÓco - assumed 'CÓco' in /in/4eAZh on line 3 cÓco
Output for 4.3.0 - 5.4.45
cÓco