- if (!empty($ref)) {
- // Test if nickname or numeric id
- if ($ref != "".($ref + 0)."") {
- if (EXT_IS_ACTIVE("nickname")) {
- // Nickname in URL, so load the ID
- $result = SQL_QUERY_ESC("SELECT userid FROM `"._MYSQL_PREFIX."_user_data` WHERE nickname='%s' LIMIT 1",
- array($ref), __FILE__, __LINE__);
+// Check for determined referral id
+if ((isExtensionActive('user')) && (isValidReferralId()) && (isValidId(determineReferralId()))) {
+ // Run filter chain for updating referral data
+ runFilterChain('update_referral_data');