Primer

array(1) {
  [7]=>
  array(6) {
    ["group_name"]=>
    string(7) "Tamaño"
    ["name"]=>
    string(7) "Tamaño"
    ["group_type"]=>
    string(5) "radio"
    ["default"]=>
    int(330)
    ["attributes"]=>
    array(1) {
      [330]=>
      array(4) {
        ["name"]=>
        string(4) "30ml"
        ["html_color_code"]=>
        string(0) ""
        ["texture"]=>
        string(0) ""
        ["selected"]=>
        bool(true)
      }
    }
    ["attributes_quantity"]=>
    array(1) {
      [330]=>
      int(2)
    }
  }
}