3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'sd'; //echo $a !== ''; echo preg_match('^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?', 'http://wewewe');
based on 9cTJe
Output for 4.3.11 - 7.1.0
Warning: preg_match(): Unknown modifier ':' in /in/CpJu1 on line 5
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier ':' in /in/CpJu1 on line 5