/* START Override Recent Comments Widget Output from WordPress Widget */
class WP_Widget_Recent_Comments_Custom extends WP_Widget_Recent_Comments {
	function widget( $args, $instance ) {
		static $first_instance = true;

		if ( ! isset( $args['widget_id'] ) ) {
			$args['widget_id'] = $this->id;
		}

		$output = '';

		$default_title = __( 'Recent Comments' );
		$title         = ( ! empty( $instance['title'] ) ) ? $instance['title'] : $default_title;

		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
		if ( ! $number ) {
			$number = 5;
		}

		$comments = get_comments(
			/**
			 * Filters the arguments for the Recent Comments widget.
			 *
			 * @since 3.4.0
			 * @since 4.9.0 Added the `$instance` parameter.
			 *
			 * @see WP_Comment_Query::query() for information on accepted arguments.
			 *
			 * @param array $comment_args An array of arguments used to retrieve the recent comments.
			 * @param array $instance     Array of settings for the current widget.
			 */
			apply_filters(
				'widget_comments_args',
				array(
					'number'      => $number,
					'status'      => 'approve',
					'post_status' => 'publish',
				),
				$instance
			)
		);

		$output .= $args['before_widget'];
		if ( $title ) {
			$output .= $args['before_title'] . $title . $args['after_title'];
		}

		$recent_comments_id = ( $first_instance ) ? 'recentcomments' : "recentcomments-{$this->number}";
		$first_instance     = false;

		$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;
			$output    .= '';
		}

		$output .= $args['after_widget'];

		echo $output;
	}
}

add_action( 'widgets_init', 'register_custom_recent_comments' );
function register_custom_recent_comments() {
     register_widget( 'WP_Widget_Recent_Comments_Custom' );
}
/* END Override Recent Comments Widget Output from WordPress Widget */