Array
(
    [0] => Array
        (
            [id_product] => 3450
        )

    [1] => Array
        (
            [id_product] => 4183
        )

    [2] => Array
        (
            [id_product] => 6049
        )

    [3] => Array
        (
            [id_product] => 2768
        )

)
llArray
(
    [0] => Array
        (
            [id_product] => 3450
        )

    [1] => Array
        (
            [id_product] => 4183
        )

    [2] => Array
        (
            [id_product] => 6049
        )

    [3] => Array
        (
            [id_product] => 2768
        )

)