3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_replace("/^//", "", "/index.html");
based on mHbJJ
Output for 4.3.11 - 7.2.0
Warning: preg_replace(): Unknown modifier '/' in /in/mG3Us on line 2
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '/' in /in/mG3Us on line 2