- var_dump: documentation ( source)
- parse_str: documentation ( source)
- strtr: documentation ( source)
<?php
$campaign_data = '183921978.1445242386.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)';
parse_str(strtr($campaign_data, "|", "&"));
var_dump($campaign_data, $utmcsr, $utmccn, $utmcmd,$utmctr , $utmcct);