Array ( [0] => Array ( [prod_id] => 40 [sum_quantity] => 10 ) [1] => Array ( [prod_id] => 46 [sum_quantity] => 1 ) [2] => Array ( [prod_id] => 47 [sum_quantity] => 7 ) [3] => Array ( [prod_id] => 48 [sum_quantity] => 4 ) ) Array ( [0] => Array ( [prod_id] => 40 [sum_quantity] => 10 ) [1] => Array ( [prod_id] => 46 [sum_quantity] => 1 ) [2] => Array ( [prod_id] => 47 [sum_quantity] => 7 ) [3] => Array ( [prod_id] => 48 [sum_quantity] => 4 ) ) Array ( [0] => Array ( [prod_id] => 40 [sum_quantity] => 10 ) [1] => Array ( [prod_id] => 46 [sum_quantity] => 1 ) [2] => Array ( [prod_id] => 47 [sum_quantity] => 7 ) [3] => Array ( [prod_id] => 48 [sum_quantity] => 4 ) )

$cid = (int)$this->customer->getId();
                $pid = (int)$product_query->row['product_id'];
                $customer_new = $this->db->query("
                   SELECT tb03.customer_id, tb01.product_id AS prod_id, sum(tb01.quantity) AS sum_quantity
                   FROM oc_order_product AS tb01
                   LEFT JOIN oc_order AS tb02 ON tb01.order_id = tb02.order_id
                   LEFT JOIN oc_customer AS tb03 ON tb02.customer_id = tb03.customer_id
                   WHERE tb03.customer_id = '{$cid}'
                   GROUP BY tb03.customer_id, tb01.product_id
                ");
                $rows = $customer_new->rows;
                $ssd = array();
                foreach($rows as $index => $row){
                  $ssd[] = array(
                    'prod_id' => $row['prod_id'],
                    'sum_quantity' => $row['sum_quantity']
                  );
                }



print_r($ssd);