3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $host = parse_url($_SERVER['SERVER_NAME']); preg_match('/(.*?)((\.co)?[a-z]{2,4})$/i', $host['host'], $m); $ext = isset($m[2]) ? $m[2]: 'nl'; var_dump($ext);
Output for 5.5.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined index: SERVER_NAME in /in/LIj5J on line 2 Notice: Undefined index: host in /in/LIj5J on line 3 string(2) "nl"
Output for 4.3.0 - 5.4.45
string(2) "nl"