Order by cartId - Prestashop 1.7

- getOrderByCartId

//call
$order = Order::getOrderByCartId($cart->id);


//Function on order class
public static function getOrderByCartId($id_cart)
    {
        return self::getIdByCartId($id_cart);
    }


-get cart by order id


Cart::getCartByOrderId($id_order);