gistfile1.txt

            foreach( $userIdProductIdTable as $userId => $productArray ){
                foreach( $productArray as $productId => $tpIds ){
                    $total = 0;
                    foreach( $tpIds as $id ){ $total += $keyedResults[$id]["total"]; }
                    foreach( $tpIds as $id ){ $keyedResults[$id]["total"] = $total; }
                }
            }