# polylang/1.5/include/widget-recent-comments.php

Polylang, version 1.5. 106 lines.

- Page: https://pluginprobe.com/plugins/polylang/1.5/code/include/widget-recent-comments.php
- Raw: https://pluginprobe.com/plugins/polylang/1.5/raw/include/widget-recent-comments.php
- Modified: 2014-05-11T13:32:56+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/polylang/1.5/code/include/widget-recent-comments.php#L10-L20`.

```php
<?php

if(!class_exists('WP_Widget_Recent_Comments')){
	require_once( ABSPATH . '/wp-includes/default-widgets.php' );
}

/*
 * obliged to rewrite the whole functionnality to have a language dependant cache key
 * code base is WP 3.9.1
 *
 * @since 1.5
 */
class PLL_Widget_Recent_Comments extends WP_Widget_Recent_Comments {

	/*
	 * displays the widget
	 * modified version of the parent function to call to use a language dependant cache key
	 *
	 * @since 1.5
	 *
	 * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
	 * @param array $instance The settings for the particular instance of the widget
	 */
	function widget( $args, $instance ) {
		global $comments, $comment;

		$cache = array();
		if ( ! $this->is_preview() ) {
			$cache = wp_cache_get('widget_recent_comments', 'widget');
		}
		if ( ! is_array( $cache ) ) {
			$cache = array();
		}

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

		$lang = pll_current_language(); #added
		if ( isset( $cache[ $args['widget_id'] ] [$lang] ) ) { #modified#
			echo $cache[ $args['widget_id'] ] [$lang]; #modified#
			return;
		}

		extract($args, EXTR_SKIP);
		$output = '';

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

		/** This filter is documented in wp-includes/default-widgets.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 get_comments()
		 *
		 * @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 .= $before_widget;
		if ( $title )
			$output .= $before_title . $title . $after_title;

		$output .= '<ul id="recentcomments">';
		if ( $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) {
				$output .=  '<li class="recentcomments">' . /* translators: comments widget: 1: comment author, 2: post link */ sprintf(_x('%1$s on %2$s', 'widgets'), get_comment_author_link(), '<a href="' . esc_url( get_comment_link($comment->comment_ID) ) . '">' . get_the_title($comment->comment_post_ID) . '</a>') . '</li>';
			}
		}
		$output .= '</ul>';
		$output .= $after_widget;

		echo $output;

		if ( ! $this->is_preview() ) {
			$cache[ $args['widget_id'] ] [$lang] = $output; #modified#
			wp_cache_set( 'widget_recent_comments', $cache, 'widget' );
		}
	}

	/*
	 * backward compatibility with WP < 3.9
	 *
	 * @since 1.5
	 *
	 * @return bool
	 */
	function is_preview() {
		return version_compare($GLOBALS['wp_version'], '3.9', '<') ? false : parent::is_preview();
	}
}

```