3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url = "example.com//sf/asf///saf//asf/asf/"; $string = preg_replace('/([^:])(\/{2,})/', '$1/', $url); echo $string;
based on NF3Hl
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
example.com/sf/asf/saf/asf/asf/