array(4) { [0]=> array(1) { ["attached_post"]=> int(2632) } [1]=> array(1) { ["attached_post"]=> int(1943) } [2]=> array(1) { ["attached_post"]=> int(932) } [3]=> array(1) { ["attached_post"]=> int(2330) } } array(4) { [0]=> array(1) { ["attached_post"]=> int(1943) } [1]=> array(1) { ["attached_post"]=> int(2578) } [2]=> array(1) { ["attached_post"]=> int(2463) } [3]=> array(1) { ["attached_post"]=> int(68) } }