array(4) {
  [0]=>
  array(1) {
    ["attached_post"]=>
    int(2677)
  }
  [1]=>
  array(1) {
    ["attached_post"]=>
    int(2781)
  }
  [2]=>
  array(1) {
    ["attached_post"]=>
    int(2805)
  }
  [3]=>
  array(1) {
    ["attached_post"]=>
    int(3053)
  }
}
array(4) {
  [0]=>
  array(1) {
    ["attached_post"]=>
    int(2816)
  }
  [1]=>
  array(1) {
    ["attached_post"]=>
    int(1001)
  }
  [2]=>
  array(1) {
    ["attached_post"]=>
    int(219)
  }
  [3]=>
  array(1) {
    ["attached_post"]=>
    int(1672)
  }
}