解决Word Press文章ID不连续的问题

//WordPress解决文章ID不连续的问题
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 = $lastID");
}
add_filter( 'load-post-new.php', 'keep_id_continuous' );
add_filter( 'load-media-new.php', 'keep_id_continuous' );
add_filter( 'load-nav-menus.php', 'keep_id_continuous' );
//禁用自动保存，所以编辑长文章前请注意手动保存。
add_action( 'admin_print_scripts', create_function( '$a', "wp_deregister_script('autosave');" ) );
//禁用修订版本
remove_action( 'pre_post_update' , 'wp_save_post_revision' );