WP_Customize_Nav_Menu_Setting

21class WP_Customize_Nav_Menu_Setting extends WP_Customize_Setting {22 23	const ID_PATTERN = '/^nav_menu\[(?P<id>-?\d+)\]$/';24 25	const TAXONOMY = 'nav_menu';26 27	const TYPE = 'nav_menu';28 29	/**30	 * Setting type.31	 *32	 * @since 4.3.033	 * @var string34	 */35	public $type = self::TYPE;36 37	/**38	 * Default setting value.39	 *40	 * @since 4.3.041	 * @var array42	 *43	 * @see wp_get_nav_menu_object()44	 */45	public $default = array(46		'name'        => '',47		'description' => '',48		'parent'      => 0,49		'auto_add'    => false,50	);51 52	/**53	 * Default transport.54	 *55	 * @since 4.3.056	 * @var string57	 */58	public $transport = 'postMessage';59 60	/**61	 * The term ID represented by this setting instance.62	 *63	 * A negative value represents a placeholder ID for a new menu not yet saved.64	 *65	 * @since 4.3.066	 * @var int67	 */68	public $term_id;69 70	/**71	 * Previous (placeholder) term ID used before creating a new menu.72	 *73	 * This value will be exported to JS via the {@see 'customize_save_response'} filter74	 * so that JavaScript can update the settings to refer to the newly-assigned75	 * term ID. This value is always negative to indicate it does not refer to76	 * a real term.77	 *78	 * @since 4.3.079	 * @var int80	 *81	 * @see WP_Customize_Nav_Menu_Setting::update()82	 * @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response()83	 */84	public $previous_term_id;85 86	/**87	 * Whether or not update() was called.88	 *89	 * @since 4.3.090	 * @var bool91	 */92	protected $is_updated = false;93 94	/**95	 * Status for calling the update method, used in customize_save_response filter.96	 *97	 * See {@see 'customize_save_response'}.98	 *99	 * When status is inserted, the placeholder term ID is stored in `$previous_term_id`.100	 * When status is error, the error is stored in `$update_error`.