// Get referal ID from ref or refid variable
$ref = 0;
- if (!empty($_GET['ref'])) $ref = bigintval($_GET['ref']);
- elseif (!empty($_GET['refid'])) $ref = bigintval($_GET['refid']);
+ if (REQUEST_ISSET_GET(('ref'))) $ref = bigintval(REQUEST_GET('ref'));
+ elseif (REQUEST_ISSET_GET(('refid'))) $ref = bigintval(REQUEST_GET('refid'));
if (!empty($ref)) {
// We have an refid here. So we simply add it