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Name	Size	Permission
class-wp-nav-menu-widget.php	5.21 KB	-rw-r--r--
class-wp-widget-archives.php	5.3 KB	-rw-r--r--
class-wp-widget-calendar.php	2.8 KB	-rw-r--r--
class-wp-widget-categories.php	5.81 KB	-rw-r--r--
class-wp-widget-custom-html.ph...	11.55 KB	-rw-r--r--
class-wp-widget-links.php	6.74 KB	-rw-r--r--
class-wp-widget-media-audio.ph...	5.8 KB	-rw-r--r--
class-wp-widget-media-gallery....	6.05 KB	-rw-r--r--
class-wp-widget-media-image.ph...	10.98 KB	-rw-r--r--
class-wp-widget-media-video.ph...	7.96 KB	-rw-r--r--
class-wp-widget-media.php	13.49 KB	-rw-r--r--
class-wp-widget-meta.php	3.51 KB	-rw-r--r--
class-wp-widget-pages.php	4.77 KB	-rw-r--r--
class-wp-widget-recent-comment...	5.69 KB	-rw-r--r--
class-wp-widget-recent-posts.p...	4.86 KB	-rw-r--r--
class-wp-widget-rss.php	3.6 KB	-rw-r--r--
class-wp-widget-search.php	2.55 KB	-rw-r--r--
class-wp-widget-tag-cloud.php	5.54 KB	-rw-r--r--
class-wp-widget-text.php	20.25 KB	-rw-r--r--

/**
 * Core class used to implement a Tag cloud widget.
 *
 * @since 2.8.0
 *
 * @see WP_Widget
 */
class WP_Widget_Tag_Cloud extends WP_Widget {

/**
	 * Sets up a new Tag Cloud widget instance.
	 *
	 * @since 2.8.0
	 */
	public function __construct() {
		$widget_ops = array(
			'description' => __( 'A cloud of your most used tags.' ),
			'customize_selective_refresh' => 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'] );

/**
		 * 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.
		 */
		$tag_cloud = wp_tag_cloud( 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'];
		}

echo '<div class="tagcloud">';

echo $tag_cloud;

echo "</div>\n";
		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 ) {
		$current_taxonomy = $this->_get_current_taxonomy($instance);
		$title_id = $this->get_field_id( 'title' );
		$count = isset( $instance['count'] ) ? (bool) $instance['count'] : false;
		$instance['title'] = ! empty( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';

echo '<p><label for="' . $title_id .'">' . __( 'Title:' ) . '</label>
			<input type="text" class="widefat" id="' . $title_id .'" name="' . $this->get_field_name( 'title' ) .'" value="' . $instance['title'] .'" />
		</p>';

$taxonomies = get_taxonomies( array( 'show_tagcloud' => true ), 'object' );
		$id = $this->get_field_id( 'taxonomy' );
		$name = $this->get_field_name( 'taxonomy' );
		$input = '<input type="hidden" id="' . $id . '" name="' . $name . '" value="%s" />';

$count_checkbox = sprintf(
			'<p><input type="checkbox" class="checkbox" id="%1$s" name="%2$s"%3$s /> <label for="%1$s">%4$s</label></p>',
			$this->get_field_id( 'count' ),
			$this->get_field_name( 'count' ),
			checked( $count, true, false ),
			__( 'Show tag counts' )
		);

switch ( count( $taxonomies ) ) {

// No tag cloud supporting taxonomies found, display error message
		case 0:
			echo '<p>' . __( 'The tag cloud will not be displayed since there are no taxonomies that support the tag cloud widget.' ) . '</p>';
			printf( $input, '' );
			break;

// Just a single tag cloud supporting taxonomy found, no need to display a select.
		case 1:
			$keys = array_keys( $taxonomies );
			$taxonomy = reset( $keys );
			printf( $input, esc_attr( $taxonomy ) );
			echo $count_checkbox;
			break;

// More than one tag cloud supporting taxonomy found, display a select.
		default:
			printf(
				'<p><label for="%1$s">%2$s</label>' .
				'<select class="widefat" id="%1$s" name="%3$s">',
				$id,
				__( 'Taxonomy:' ),
				$name
			);

foreach ( $taxonomies as $taxonomy => $tax ) {
				printf(
					'<option value="%s"%s>%s</option>',
					esc_attr( $taxonomy ),
					selected( $taxonomy, $current_taxonomy, false ),
					$tax->labels->name
				);
			}

echo '</select></p>' . $count_checkbox;
		}
	}

/**
	 * Retrieves the taxonomy for the current Tag cloud widget instance.
	 *
	 * @since 4.4.0
	 *
	 * @param array $instance Current settings.
	 * @return string Name of the current taxonomy if set, otherwise 'post_tag'.
	 */
	public function _get_current_taxonomy($instance) {
		if ( !empty($instance['taxonomy']) && taxonomy_exists($instance['taxonomy']) )
			return $instance['taxonomy'];

return 'post_tag';
	}
}

${this.title}

Code Editor : class-wp-widget-tag-cloud.php