name : class-wp-widget-recent-comments.php <?php /** * Widget API: WP_Widget_Recent_Comments class * * @package WordPress * @subpackage Widgets * @since 4.4.0 */ /** * Core class used to implement a Recent Comments widget. * * @since 2.8.0 * * @see WP_Widget */ class WP_Widget_Recent_Comments extends WP_Widget { /** * Sets up a new Recent Comments widget instance. * * @since 2.8.0 */ public function __construct() { $widget_ops = array( 'classname' => 'widget_recent_comments', 'description' => __( 'Your site&#8217;s most recent comments.' ), 'customize_selective_refresh' => true, 'show_instance_in_rest' => true, ); parent::__construct( 'recent-comments', __( 'Recent Comments' ), $widget_ops ); $this->alt_option_name = 'widget_recent_comments'; if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) { add_action( 'wp_head', array( $this, 'recent_comments_style' ) ); } } /** * Outputs the default styles for the Recent Comments widget. * * @since 2.8.0 */ public function recent_comments_style() { /** * Filters the Recent Comments default widget styles. * * @since 3.1.0 * * @param bool $active Whether the widget is active. Default true. * @param string $id_base The widget ID. */ if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876. || ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) ) { return; } $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"'; printf( '<style%s>.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>', $type_attr ); } /** * Outputs the content for the current Recent Comments widget instance. * * @since 2.8.0 * @since 5.4.0 Creates a unique HTML ID for the `<ul>` element * if more than one instance is displayed on the page. * * @param array $args Display arguments including 'before_title', 'after_title', * 'before_widget', and 'after_widget'. * @param array $instance Settings for the current Recent Comments widget instance. */ public 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 .= '<nav aria-label="' . esc_attr( $aria_label ) . '">'; } $output .= '<ul id="' . esc_attr( $recent_comments_id ) . '">'; if ( is_array( $comments ) && $comments ) { // Prime cache for associated posts. (Prime post term cache if we need it for permalinks.) $post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) ); _prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false ); foreach ( (array) $comments as $comment ) { $output .= '<li class="recentcomments">'; $output .= sprintf( /* translators: Comments widget. 1: Comment author, 2: Post link. */ _x( '%1$s on %2$s', 'widgets' ), '<span class="comment-author-link">' . get_comment_author_link( $comment ) . '</span>', '<a href="' . esc_url( get_comment_link( $comment ) ) . '">' . get_the_title( $comment->comment_post_ID ) . '</a>' ); $output .= '</li>'; } } $output .= '</ul>'; if ( 'html5' === $format ) { $output .= '</nav>'; } $output .= $args['after_widget']; echo $output; } /** * Handles updating settings for the current Recent Comments 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 Updated settings to save. */ public function update( $new_instance, $old_instance ) { $instance = $old_instance; $instance['title'] = sanitize_text_field( $new_instance['title'] ); $instance['number'] = absint( $new_instance['number'] ); return $instance; } /** * Outputs the settings form for the Recent Comments widget. * * @since 2.8.0 * * @param array $instance Current settings. */ public function form( $instance ) { $title = isset( $instance['title'] ) ? $instance['title'] : ''; $number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5; ?> <p> <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /> </p> <p> <label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of comments to show:' ); ?></label> <input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" /> </p> <?php } /** * Flushes the Recent Comments widget cache. * * @since 2.8.0 * * @deprecated 4.4.0 Fragment caching was removed in favor of split queries. */ public function flush_widget_cache() { _deprecated_function( __METHOD__, '4.4.0' ); } }