3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace("/^//", "", "/index.html");
based on mHbJJ
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Unknown modifier '/' in /in/mG3Us on line 2
Output for hhvm-3.12.0
Warning: Unknown modifier '/': [/^//] in /in/mG3Us on line 2
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '/' in /in/mG3Us on line 2