WP_Widget_Recent_Comments

17class WP_Widget_Recent_Comments extends WP_Widget {18 19	/**20	 * Sets up a new Recent Comments widget instance.21	 *22	 * @since 2.8.023	 */24	public function __construct() {25		$widget_ops = array(26			'classname'                   => 'widget_recent_comments',27			'description'                 => __( 'Your site&#8217;s most recent comments.' ),28			'customize_selective_refresh' => true,29			'show_instance_in_rest'       => true,30		);31		parent::__construct( 'recent-comments', __( 'Recent Comments' ), $widget_ops );32		$this->alt_option_name = 'widget_recent_comments';33 34		if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {35			add_action( 'wp_head', array( $this, 'recent_comments_style' ) );36		}37	}38 39	/**40	 * Outputs the default styles for the Recent Comments widget.41	 *42	 * @since 2.8.043	 */44	public function recent_comments_style() {45		/**46		 * Filters the Recent Comments default widget styles.47		 *48		 * @since 3.1.049		 *50		 * @param bool   $active  Whether the widget is active. Default true.51		 * @param string $id_base The widget ID.52		 */53		if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876.54			|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) ) {55			return;56		}57 58		$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';59 60		printf(61			'<style%s>.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>',62			$type_attr63		);64	}65 66	/**67	 * Outputs the content for the current Recent Comments widget instance.68	 *69	 * @since 2.8.070	 * @since 5.4.0 Creates a unique HTML ID for the `<ul>` element71	 *              if more than one instance is displayed on the page.72	 *73	 * @param array $args     Display arguments including 'before_title', 'after_title',74	 *                        'before_widget', and 'after_widget'.75	 * @param array $instance Settings for the current Recent Comments widget instance.76	 */77	public function widget( $args, $instance ) {78		static $first_instance = true;79 80		if ( ! isset( $args['widget_id'] ) ) {81			$args['widget_id'] = $this->id;82		}83 84		$output = '';85 86		$default_title = __( 'Recent Comments' );87		$title         = ( ! empty( $instance['title'] ) ) ? $instance['title'] : $default_title;88 89		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */90		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );91 92		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;93		if ( ! $number ) {94			$number = 5;95		}96