----------- groups --------- Array ( [8] => Array ( [group_name] => Pack [name] => Pack [group_type] => select [default] => 55 [attributes] => Array ( [55] => 1 x ) [attributes_quantity] => Array ( [55] => 5 ) ) ) 1

----------- combinations --------- Array ( [74] => Array ( [attributes_values] => Array ( [8] => 1 x ) [attributes] => Array ( [0] => 55 ) [price] => 0 [specific_price] => Array ( ) [ecotax] => 0 [weight] => 0 [quantity] => 5 [reference] => [unit_impact] => 0 [minimal_quantity] => 1 [date_formatted] => [available_date] => [id_image] => -1 [list] => '55' ) ) 1