- preg_match: documentation ( source)
- print_r: documentation ( source)
<?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 = array ("/(utm_campaign=.[^&]+)/i", "/(utm_medium=.[^&]+)/i", "/(utm_source=.[^&]+)/i");
foreach ( $pattern as $p) {
preg_match($p, $addr, $result);
print_r($result);
}