array(4) {
  [0]=>
  array(1) {
    ["attached_post"]=>
    int(2828)
  }
  [1]=>
  array(1) {
    ["attached_post"]=>
    int(2781)
  }
  [2]=>
  array(1) {
    ["attached_post"]=>
    int(2924)
  }
  [3]=>
  array(1) {
    ["attached_post"]=>
    int(2330)
  }
}
array(4) {
  [0]=>
  array(1) {
    ["attached_post"]=>
    int(227)
  }
  [1]=>
  array(1) {
    ["attached_post"]=>
    int(2626)
  }
  [2]=>
  array(1) {
    ["attached_post"]=>
    int(1227)
  }
  [3]=>
  array(1) {
    ["attached_post"]=>
    int(2774)
  }
}