Online PHP editor | refs for LP3Wf

<?php $obj = new stdClass; $obj->post_id = 70242; $obj->image_id = 70244; $obj->large_image = 0; $array = array($obj); $post_ids = array_column($array, 'post_id'); /*$array = array( 0 => stdClass Object ( 'post_id' => 70242, 'image_id' => 70244, 'large_image' => 0 ), 1 => stdClass Object ( 'post_id' => 70327, 'image_id' => 70339, 'large_image' => 1 ), 2 => stdClass Object ( 'post_id' => 70017, 'image_id' => 70212, 'large_image' => 1 ) );*/ print_r($post_ids);