3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_match('\/\?','biopure.com/geoff/?frank=1&bob=0');
based on Yb5Y8
Output for 4.3.11 - 7.2.0
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/EYWkK on line 2
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/EYWkK on line 2