Coding Standards: Update $out in WP_Widget_Pages with a more mean…

…ingful name.

Rename an `$out` variable to `$output` for consistency with other widget classes..

Props mukesh27.
Fixes #53059.

git-svn-id: https://develop.svn.wordpress.org/trunk@50797 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/widgets/class-wp-widget-pages.php

@@ -61,7 +61,7 @@ public function widget( $args, $instance ) {
 			$sortby = 'menu_order, post_title';
 		}
 
-		$out = wp_list_pages(
+		$output = wp_list_pages(
 			/**
 			 * Filters the arguments for the Pages widget.
 			 *
@@ -85,7 +85,7 @@ public function widget( $args, $instance ) {
 			)
 		);
 
-		if ( ! empty( $out ) ) {
+		if ( ! empty( $output ) ) {
 			echo $args['before_widget'];
 			if ( $title ) {
 				echo $args['before_title'] . $title . $args['after_title'];
@@ -105,7 +105,7 @@ public function widget( $args, $instance ) {
 			?>
 
 			<ul>
-				<?php echo $out; ?>
+				<?php echo $output; ?>
 			</ul>
 
 			<?php