Array
(
    [3] => Array
        (
            [id_attribute_group] => 3
            [is_color_group] => 0
            [group_name] => Size
            [public_group_name] => size
            [id_attribute] => 49
            [attribute_name] => XL
            [attribute_color] => 
            [id_product_attribute] => 51023
            [quantity] => 1
            [price] => 5.322580
            [ecotax] => 0.000000
            [weight] => 0.500000
            [default_on] => 1
            [reference] => 025630
            [unit_price_impact] => 0.000000
            [minimal_quantity] => 1
            [available_date] => 0000-00-00
            [group_type] => select
        )

)
1

XL