WP_Widget

20#[AllowDynamicProperties]21class WP_Widget {22 23	/**24	 * Root ID for all widgets of this type.25	 *26	 * @since 2.8.027	 * @var mixed|string28	 */29	public $id_base;30 31	/**32	 * Name for this widget type.33	 *34	 * @since 2.8.035	 * @var string36	 */37	public $name;38 39	/**40	 * Option name for this widget type.41	 *42	 * @since 2.8.043	 * @var string44	 */45	public $option_name;46 47	/**48	 * Alt option name for this widget type.49	 *50	 * @since 2.8.051	 * @var string52	 */53	public $alt_option_name;54 55	/**56	 * Option array passed to wp_register_sidebar_widget().57	 *58	 * @since 2.8.059	 * @var array60	 */61	public $widget_options;62 63	/**64	 * Option array passed to wp_register_widget_control().65	 *66	 * @since 2.8.067	 * @var array68	 */69	public $control_options;70 71	/**72	 * Unique ID number of the current instance.73	 *74	 * @since 2.8.075	 * @var bool|int76	 */77	public $number = false;78 79	/**80	 * Unique ID string of the current instance (id_base-number).81	 *82	 * @since 2.8.083	 * @var bool|string84	 */85	public $id = false;86 87	/**88	 * Whether the widget data has been updated.89	 *90	 * Set to true when the data is updated after a POST submit - ensures it does91	 * not happen twice.92	 *93	 * @since 2.8.094	 * @var bool95	 */96	public $updated = false;97 98	//99	// Member functions that must be overridden by subclasses.