'amadeus_recent_comments', 'description' => __( 'Recent comments with avatars.', 'amadeus' ) );
parent::__construct( 'recent-comments', __( 'Amadeus: Recent Comments', 'amadeus' ), $widget_ops );
$this->alt_option_name = 'amadeus_recent_comments';
add_action( 'comment_post', array( $this, 'flush_widget_cache' ) );
add_action( 'edit_comment', array( $this, 'flush_widget_cache' ) );
add_action( 'transition_comment_status', array( $this, 'flush_widget_cache' ) );
}
/**
* Outputs the content of the widget
*
* @param array $args Widget arguments.
* @param array $instance Widget instance.
*/
public function widget( $args, $instance ) {
global $comments, $comment;
$cache = array();
if ( ! $this->is_preview() ) {
$cache = wp_cache_get( 'amadeus_recent_comments', 'widget' );
}
if ( ! is_array( $cache ) ) {
$cache = array();
}
if ( ! isset( $args['widget_id'] ) ) {
$args['widget_id'] = $this->id;
}
if ( isset( $cache[ $args['widget_id'] ] ) ) {
echo $cache[ $args['widget_id'] ];
return;
}
$output = '';
$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments', 'amadeus' );
/** 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;
}
$comments = get_comments( apply_filters( 'widget_comments_args', array(
'number' => $number,
'status' => 'approve',
'post_status' => 'publish',
) ) );
if ( ! empty( $args['before_widget'] ) ) {
$output .= $args['before_widget'];
}
if ( ! empty( $title ) ) {
if ( ! empty( $args['before_title'] ) ) {
$output .= $args['before_title'];
}
$output .= $title;
if ( ! empty( $args['after_title'] ) ) {
$output .= $args['after_title'];
}
}
$output .= '';
if ( $comments ) {
$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 .= '';
}
}
$output .= '
';
if ( ! empty( $args['after_widget'] ) ) {
$output .= $args['after_widget'];
}
echo $output;
if ( ! $this->is_preview() ) {
$cache[ $args['widget_id'] ] = $output;
wp_cache_set( 'amadeus_recent_comments', $cache, 'widget' );
}
}
/**
* Processing widget options on save
*
* @param array $new_instance The new options.
* @param array $old_instance The previous options.
*/
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['number'] = absint( $new_instance['number'] );
$this->flush_widget_cache();
$alloptions = wp_cache_get( 'alloptions', 'options' );
if ( isset( $alloptions['amadeus_recent_comments'] ) ) {
delete_option( 'amadeus_recent_comments' );
}
return $instance;
}
/**
* Delete cache
*/
public function flush_widget_cache() {
wp_cache_delete( 'amadeus_recent_comments', 'widget' );
}
/**
* Outputs the options form on admin
*
* @param array $instance The widget options.
*/
public function form( $instance ) {
$title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
?>