问纯数字wordpress固定链接

EN

 /*
 * New permalink structure
 * 
 * Itercepts every wp_insert_post data to change the regular slugs to md5 hashes 
 * based on the Unix timestamp of action. This generates a new slug at every 
 * saving action, which protects the posts against unauthorised direct access.
 * 
 */
function rm_cpt_permalink_change($data) {

    if ($data['post_type'] == 'custom_post_type') {

                $time = time();
        $data['post_name'] = md5($time);
        return $data;
    } else {
            return $data;
        }
}
add_filter('wp_insert_post_data','rm_cpt_permalink_change',10,2);