Prevent author from changing their posts if admin has modified
You can try the following: /** * Post Update Locker For Authors * If an administrator has updated the post, then lock it for author updates. * @see http://wordpress.stackexchange.com/a/168578/26350 */ add_action( ‘pre_post_update’, function( $post_ID, $data ) { // Target only authors: if( ! current_user_can( ‘edit_post’ ) || current_user_can( ‘edit_others_posts’ ) ) return; // Target only … Read more