if (!empty($ref)) {
// Test if nickname or numeric id
- if ($ref != "".bigintval($ref)."") {
+ if ($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",