3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $host = 'host.dupa.com'; $parts = explode('.', $host); $count = count($parts) - 1; echo $parts[$count - 1] .'.'. $parts[$count];
Output for 4.3.0 - 7.2.0
dupa.com