/**
  * Front-end display of widget.
  *
  * @see WP_Widget::widget()
  *
  * @param array $args     Widget arguments.
  * @param array $instance Saved values from database.
  */
 public function widget($args, $instance)
 {
     if (!$GLOBALS['contextly']->isLoadWidget()) {
         return;
     }
     $classes = array(Contextly::WIDGET_SIDERAIL_CLASS, Contextly::WIDGET_PLACEMENT_CLASS, Contextly::CLEARFIX_CLASS);
     print $args['before_widget'];
     printf('<div class="%s"></div>', Contextly::escapeClasses($classes));
     print $args['after_widget'];
 }