WP_Widget_Custom_HTML

17class WP_Widget_Custom_HTML extends WP_Widget {18 19	/**20	 * Whether or not the widget has been registered yet.21	 *22	 * @since 4.9.023	 * @var bool24	 */25	protected $registered = false;26 27	/**28	 * Default instance.29	 *30	 * @since 4.8.131	 * @var array32	 */33	protected $default_instance = array(34		'title'   => '',35		'content' => '',36	);37 38	/**39	 * Sets up a new Custom HTML widget instance.40	 *41	 * @since 4.8.142	 */43	public function __construct() {44		$widget_ops  = array(45			'classname'                   => 'widget_custom_html',46			'description'                 => __( 'Arbitrary HTML code.' ),47			'customize_selective_refresh' => true,48			'show_instance_in_rest'       => true,49		);50		$control_ops = array(51			'width'  => 400,52			'height' => 350,53		);54		parent::__construct( 'custom_html', __( 'Custom HTML' ), $widget_ops, $control_ops );55	}56 57	/**58	 * Add hooks for enqueueing assets when registering all widget instances of this widget class.59	 *60	 * @since 4.9.061	 *62	 * @param int $number Optional. The unique order number of this widget instance63	 *                    compared to other instances of the same class. Default -1.64	 */65	public function _register_one( $number = -1 ) {66		parent::_register_one( $number );67		if ( $this->registered ) {68			return;69		}70		$this->registered = true;71 72		/*73		 * Note that the widgets component in the customizer will also do74		 * the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().75		 */76		add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );77 78		/*79		 * Note that the widgets component in the customizer will also do80		 * the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().81		 */82		add_action( 'admin_footer-widgets.php', array( 'WP_Widget_Custom_HTML', 'render_control_template_scripts' ) );83 84		// Note this action is used to ensure the help text is added to the end.85		add_action( 'admin_head-widgets.php', array( 'WP_Widget_Custom_HTML', 'add_help_text' ) );86	}87 88	/**89	 * Filters gallery shortcode attributes.90	 *91	 * Prevents all of a site's attachments from being shown in a gallery displayed on a92	 * non-singular template where a $post context is not available.93	 *94	 * @since 4.9.095	 *96	 * @param array $attrs Attributes.