WP_Widget_Tag_Cloud

17class WP_Widget_Tag_Cloud extends WP_Widget {18 19	/**20	 * Sets up a new Tag Cloud widget instance.21	 *22	 * @since 2.8.023	 */24	public function __construct() {25		$widget_ops = array(26			'description'                 => __( 'A cloud of your most used tags.' ),27			'customize_selective_refresh' => true,28			'show_instance_in_rest'       => true,29		);30		parent::__construct( 'tag_cloud', __( 'Tag Cloud' ), $widget_ops );31	}32 33	/**34	 * Outputs the content for the current Tag Cloud widget instance.35	 *36	 * @since 2.8.037	 *38	 * @param array $args     Display arguments including 'before_title', 'after_title',39	 *                        'before_widget', and 'after_widget'.40	 * @param array $instance Settings for the current Tag Cloud widget instance.41	 */42	public function widget( $args, $instance ) {43		$current_taxonomy = $this->_get_current_taxonomy( $instance );44 45		if ( ! empty( $instance['title'] ) ) {46			$title = $instance['title'];47		} else {48			if ( 'post_tag' === $current_taxonomy ) {49				$title = __( 'Tags' );50			} else {51				$tax   = get_taxonomy( $current_taxonomy );52				$title = $tax->labels->name;53			}54		}55 56		$default_title = $title;57 58		$show_count = ! empty( $instance['count'] );59 60		$tag_cloud = wp_tag_cloud(61			/**62			 * Filters the taxonomy used in the Tag Cloud widget.63			 *64			 * @since 2.8.065			 * @since 3.0.0 Added taxonomy drop-down.66			 * @since 4.9.0 Added the `$instance` parameter.67			 *68			 * @see wp_tag_cloud()69			 *70			 * @param array $args     Args used for the tag cloud widget.71			 * @param array $instance Array of settings for the current widget.72			 */73			apply_filters(74				'widget_tag_cloud_args',75				array(76					'taxonomy'   => $current_taxonomy,77					'echo'       => false,78					'show_count' => $show_count,79				),80				$instance81			)82		);83 84		if ( empty( $tag_cloud ) ) {85			return;86		}87 88		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */89		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );90 91		echo $args['before_widget'];92		if ( $title ) {93			echo $args['before_title'] . $title . $args['after_title'];94		}95 96		$format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';