--- /dev/null
+<?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
+ * @access public
+ */
+ public function __construct() {
+ $widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'Your site’s most recent comments.' ) );
+ parent::__construct('recent-comments', __('Recent Comments'), $widget_ops);
+ $this->alt_option_name = 'widget_recent_comments';
+
+ if ( is_active_widget(false, false, $this->id_base) )
+ add_action( 'wp_head', array($this, 'recent_comments_style') );
+ }
+
+ /**
+ * Outputs the default styles for the Recent Comments widget.
+ *
+ * @since 2.8.0
+ * @access public
+ */
+ public function recent_comments_style() {
+ /**
+ * Filter 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;
+ ?>
+ <style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>
+ <?php
+ }
+
+ /**
+ * Outputs the content for the current Recent Comments widget instance.
+ *
+ * @since 2.8.0
+ * @access public
+ *
+ * @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 ) {
+ if ( ! isset( $args['widget_id'] ) )
+ $args['widget_id'] = $this->id;
+
+ $output = '';
+
+ $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments' );
+
+ /** 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;
+
+ /**
+ * Filter the arguments for the Recent Comments widget.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Comment_Query::query() for information on accepted arguments.
+ *
+ * @param array $comment_args An array of arguments used to retrieve the recent comments.
+ */
+ $comments = get_comments( apply_filters( 'widget_comments_args', array(
+ 'number' => $number,
+ 'status' => 'approve',
+ 'post_status' => 'publish'
+ ) ) );
+
+ $output .= $args['before_widget'];
+ if ( $title ) {
+ $output .= $args['before_title'] . $title . $args['after_title'];
+ }
+
+ $output .= '<ul id="recentcomments">';
+ 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">';
+ /* translators: comments widget: 1: comment author, 2: post link */
+ $output .= sprintf( _x( '%1$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>';
+ $output .= $args['after_widget'];
+
+ echo $output;
+ }
+
+ /**
+ * Handles updating settings for the current Recent Comments widget instance.
+ *
+ * @since 2.8.0
+ * @access public
+ *
+ * @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
+ * @access public
+ *
+ * @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
+ * @access public
+ *
+ * @deprecated 4.4.0 Fragment caching was removed in favor of split queries.
+ */
+ public function flush_widget_cache() {
+ _deprecated_function( __METHOD__, '4.4' );
+ }
+}
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