- }
-
- // Get referal ID from ref or refid variable
- if (REQUEST_ISSET_GET(('ref'))) $ref = REQUEST_GET('ref');
- elseif (REQUEST_ISSET_GET(('refid'))) $ref = REQUEST_GET('refid');
-
- if (!empty($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__);
-
- // Load userid
- list($ref) = SQL_FETCHROW($result);