array(1) {
  ["show"]=>
  array(3) {
    [0]=>
    string(4) "type"
    [1]=>
    string(5) "image"
    [2]=>
    string(5) "title"
  }
}

array(2) {
  ["thumb_size"]=>
  string(7) "product"
  ["show"]=>
  array(3) {
    [0]=>
    string(4) "type"
    [1]=>
    string(5) "image"
    [2]=>
    string(5) "title"
  }
}

array(2) {
  ["thumb_size"]=>
  string(7) "product"
  ["show"]=>
  array(3) {
    [0]=>
    string(4) "type"
    [1]=>
    string(5) "image"
    [2]=>
    string(5) "title"
  }
}