$wpsc_ignore_tracking_parameters = 1;
$wpsc_tracking_parameters = array ( 0 => 'fbclid', 1 => 'ref', 2 => 'gclid', 3 => 'fb_source', 4 => 'mc_cid', 5 => 'mc_eid', 6 => 'msclkid', 7 => 'utm_source', 8 => 'utm_medium', 9 => 'utm_campaign', 10 => 'utm_term', 11 => 'utm_content', 12 => 'utm_id', 13 => '_ga', 14 => '_gl', 15 => 'gbraid', 16 => 'wbraid', 17 => 'igshid', );