How to update the children of a post?
get_children returns an array of post objects by default: https://developer.wordpress.org/reference/functions/get_children/ So you would have to use ‘ID’ => $child->ID, in this case… also my want to wrap the foreach with if (count($children) > 0) {} to prevent possible errors where there are no children. ie: $children = get_children( $mainid ); if (count($children) > 0) { … Read more