$result_user = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_user_cats` WHERE `userid`=%s AND `cat_id`=%s LIMIT 1",
array(getMemberId(), bigintval($cat)), __FILE__, __LINE__);
- if (SQL_NUMROWS($result_user) == '0') {
+ if (!SQL_HASZERONUMS($result_user)) {
$sql = "INSERT INTO `{?_MYSQL_PREFIX?}_user_cats` (userid, cat_id) VALUES ('%s','%s')";
} // END - if