__( 'A cloud of your most used tags.' ), 'customize_selective_refresh' => true, 'show_instance_in_rest' => true, ); parent::__construct( 'tag_cloud', __( 'Tag Cloud' ), $widget_ops ); } /** * Outputs the content for the current Tag Cloud widget instance. * * @since 2.8.0 * * @param array $args Display arguments including 'before_title', 'after_title', * 'before_widget', and 'after_widget'. * @param array $instance Settings for the current Tag Cloud widget instance. */ public function widget( $args, $instance ) { $current_taxonomy = $this->_get_current_taxonomy( $instance ); if ( ! empty( $instance['title'] ) ) { $title = $instance['title']; } else { if ( 'post_tag' === $current_taxonomy ) { $title = __( 'Tags' ); } else { $tax = get_taxonomy( $current_taxonomy ); $title = $tax->labels->name; } } $show_count = ! empty( $instance['count'] ); $tag_cloud = wp_tag_cloud( /** * Filters the taxonomy used in the Tag Cloud widget. * * @since 2.8.0 * @since 3.0.0 Added taxonomy drop-down. * @since 4.9.0 Added the `$instance` parameter. * * @see wp_tag_cloud() * * @param array $args Args used for the tag cloud widget. * @param array $instance Array of settings for the current widget. */ apply_filters( 'widget_tag_cloud_args', array( 'taxonomy' => $current_taxonomy, 'echo' => false, 'show_count' => $show_count, ), $instance ) ); if ( empty( $tag_cloud ) ) { return; } /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); echo $args['before_widget']; if ( $title ) { echo $args['before_title'] . $title . $args['after_title']; } $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml'; /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */ $format = apply_filters( 'navigation_widgets_format', $format ); if ( 'html5' === $format ) { // The title may be filtered: Strip out HTML and make sure the aria-label is never empty. $title = trim( strip_tags( $title ) ); $aria_label = $title ? $title : $default_title; echo ''; } echo $args['after_widget']; } /** * Handles updating settings for the current Tag Cloud widget instance. * * @since 2.8.0 * * @param array $new_instance New settings for this instance as input by the user via * WP_Widget::form(). * @param array $old_instance Old settings for this instance. * @return array Settings to save or bool false to cancel saving. */ public function update( $new_instance, $old_instance ) { $instance = array(); $instance['title'] = sanitize_text_field( $new_instance['title'] ); $instance['count'] = ! empty( $new_instance['count'] ) ? 1 : 0; $instance['taxonomy'] = stripslashes( $new_instance['taxonomy'] ); return $instance; } /** * Outputs the Tag Cloud widget settings form. * * @since 2.8.0 * * @param array $instance Current settings. */ public function form( $instance ) { $title = ! empty( $instance['title'] ) ? $instance['title'] : ''; $count = isset( $instance['count'] ) ? (bool) $instance['count'] : false; ?>

true ), 'object' ); $current_taxonomy = $this->_get_current_taxonomy( $instance ); switch ( count( $taxonomies ) ) { // No tag cloud supporting taxonomies found, display error message. case 0: ?>

0 ) { ?>

/>