Array
(
    [0] => Array
        (
            [id_product] => 1590
        )

    [1] => Array
        (
            [id_product] => 4164
        )

)
llArray
(
    [0] => Array
        (
            [id_product] => 1590
        )

    [1] => Array
        (
            [id_product] => 4164
        )

)