onОбщий массив

Array
(
    [71724544] => Array
        (
            [0] => Array
                (
                    [sku] => 0 280 158 427
                    [price] => €88.43
                    [id_product] => 849581
                )

            [3] => Array
                (
                    [sku] => 805001800302
                    [price] => €105.30
                    [id_product] => 848503
                )

        )

    [181857070] => Array
        (
            [0] => Array
                (
                    [sku] => 000042356010
                    [price] => €54.09
                    [id_product] => 832876
                )

        )

    [735251559] => Array
        (
            [0] => Array
                (
                    [sku] => 000043085010
                    [price] => €90.31
                    [id_product] => 826804
                )

        )

)