- 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);
//$refer = parse_url($who);
echo $refer[0];
echo $refer[1];
echo $refer[2];
echo $refer[3];
?>