3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $addr = "http://www.example.com/?pk_lol=VAgin&utm_campaign=printemps&utm_medium=e-mail&utm_source=newsletter1&utm_content=lien-en-haut"; $pattern ="/(utm_campaign=.[^&]+)?(utm_medium=.[^&]+)?(utm_source=.[^&]+)?/"; preg_match($pattern, $addr, $result); print_r($result);
Output for 4.3.0 - 7.1.0
Array ( [0] => )