3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $url = 'www.google.co.m'; preg_match('/(.*):\/\/.*/', $url, $match); print_R($match[1]);
based on 0VCkE
Output for 5.3.0 - 7.1.0
Notice: Undefined offset: 1 in /in/iM2f0 on line 4
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 1 in /in/iM2f0 on line 4