public static function getRatingNumToListing($listing_sid) { $result = SJB_DB::query("SELECT COUNT(*) AS `num` , ROUND((SUM(vote) / COUNT(*)), 1) AS rating FROM `rating` WHERE `listing_id` = ?n ", $listing_sid); $row = array_shift($result); self::$rating = is_numeric($row['rating']) ? $row['rating'] : 0; self::$num = is_numeric($row['num']) ? $row['num'] : 0; return self::$num; }