- parse_str: documentation ( source)
- print_r: documentation ( source)
- parse_url: documentation ( source)
<?php
$who = 'rejuvenair.com/?utm_source=google&utm_medium=cpc&utm_term=oxygen+facial&utm_content=coupon&utm_campaign=discount';
$refer = parse_url($who);
$utm = parse_str($refer['query']);
print_r($utm);
?>