``` function autoset_featured() { global $post; $already_has_thumb = has_post_thumbnail($post->ID); if (!$already_has_thumb) { $attached_image = get_children( "post_parent=$post->ID&post_type=attachment&post_mime_type=image&numberposts=1" ); if ($attached_image) { foreach ($attached_image as $attachment_id => $attachment) { set_post_thumbnail($post->ID, $attachment_id); } } } } //end function add_action('the_post', 'autoset_featured'); add_action('save_post', 'autoset_featured'); add_action('draft_to_publish', 'autoset_featured'); add_action('new_to_publish', 'autoset_featured'); add_action('pending_to_publish', 'autoset_featured'); add_action('future_to_publish', 'autoset_featured'); ```