diff -r c7c34916027a -r 177826044cd9 wp/wp-includes/widgets/class-wp-widget-tag-cloud.php
--- a/wp/wp-includes/widgets/class-wp-widget-tag-cloud.php	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-includes/widgets/class-wp-widget-tag-cloud.php	Mon Oct 14 18:28:13 2019 +0200
@@ -23,7 +23,7 @@
 	 */
 	public function __construct() {
 		$widget_ops = array(
-			'description' => __( 'A cloud of your most used tags.' ),
+			'description'                 => __( 'A cloud of your most used tags.' ),
 			'customize_selective_refresh' => true,
 		);
 		parent::__construct( 'tag_cloud', __( 'Tag Cloud' ), $widget_ops );
@@ -47,7 +47,7 @@
 			if ( 'post_tag' === $current_taxonomy ) {
 				$title = __( 'Tags' );
 			} else {
-				$tax = get_taxonomy( $current_taxonomy );
+				$tax   = get_taxonomy( $current_taxonomy );
 				$title = $tax->labels->name;
 			}
 		}
@@ -66,11 +66,17 @@
 		 * @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 ) );
+		$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;
@@ -103,10 +109,10 @@
 	 * @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']);
+		$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;
 	}
 
@@ -118,19 +124,19 @@
 	 * @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;
+		$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'] .'" />
+		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" />';
+		$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>',
@@ -142,40 +148,40 @@
 
 		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;
+			// 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;
+			// 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:' ),
-				$name
-			);
+			// More than one tag cloud supporting taxonomy found, display a select.
+			default:
+				printf(
+					'<p><label for="%1$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
-				);
-			}
+				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;
+				echo '</select></p>' . $count_checkbox;
 		}
 	}
 
@@ -187,9 +193,10 @@
 	 * @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']) )
+	public function _get_current_taxonomy( $instance ) {
+		if ( ! empty( $instance['taxonomy'] ) && taxonomy_exists( $instance['taxonomy'] ) ) {
 			return $instance['taxonomy'];
+		}
 
 		return 'post_tag';
 	}