- 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';
$utm = parse_str(parse_url($who)['query']);
print_r($utm);
?>