array(4) {
  [0]=>
  array(1) {
    ["attached_post"]=>
    int(190)
  }
  [1]=>
  array(1) {
    ["attached_post"]=>
    int(2610)
  }
  [2]=>
  array(1) {
    ["attached_post"]=>
    int(2774)
  }
  [3]=>
  array(1) {
    ["attached_post"]=>
    int(2687)
  }
}
array(4) {
  [0]=>
  array(1) {
    ["attached_post"]=>
    int(1083)
  }
  [1]=>
  array(1) {
    ["attached_post"]=>
    int(68)
  }
  [2]=>
  array(1) {
    ["attached_post"]=>
    int(2899)
  }
  [3]=>
  array(1) {
    ["attached_post"]=>
    int(2913)
  }
}