WordPress禁用自动草稿、修订版本和自动保存

// WordPress连续ID，禁用草稿功能函数开始
function keep_id_continuous(){
    global $wpdb;
    $lastID = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_status = 'publish' OR post_status = 'draft' OR post_status = 'private' OR ( post_status = 'inherit' AND post_type = 'attachment' ) ORDER BY ID DESC LIMIT 1");
    $wpdb->query("DELETE FROM $wpdb->posts WHERE ( post_status = 'auto-draft' OR ( post_status = 'inherit' AND post_type = 'revision' ) ) AND ID > $lastID");
    $lastID++;
    $wpdb->query("ALTER TABLE $wpdb->posts AUTO_INCREMENT = $lastID");
   }
// 将函数钩在新建文章、上传媒体和自定义菜单之前。
add_filter( 'load-post-new.php', 'keep_id_continuous' );
add_filter( 'load-media-new.php', 'keep_id_continuous' );
add_filter( 'load-nav-menus.php', 'keep_id_continuous' );  
// 禁用版本修订
add_filter( 'wp_revisions_to_keep', 'disable_wp_revisions_to_keep', 10, 2 );
function disable_wp_revisions_to_keep( $num, $post ) {
    return 0;
}
//禁用自动保存
add_action('wp_print_scripts', 'qgg_not_autosave');
function qgg_not_autosave() {
    wp_deregister_script('autosave'); 
}