Array
(
    [20] => Array
        (
            [group_name] => TAILLE COMBIS
            [name] => TAILLE COMBIS
            [group_type] => select
            [default] => 2256
            [attributes] => Array
                (
                    [2256] => 52
                    [2257] => 54
                    [2258] => 56
                    [2666] => 48 S
                    [2667] => 50 M
                )

            [attributes_quantity] => Array
                (
                    [2256] => 0
                    [2257] => 0
                    [2258] => 0
                    [2666] => 0
                    [2667] => 0
                )

        )

)