3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $url = "http://youtube.com"; $url = preg_replace("|([^\/]*)\/\/|i",'https://',$url); echo $url;
based on 8lc8F
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
https://youtube.com
Output for hhvm-3.10.0

Process exited with code 153.