et_subject function

function et_subject($type = null, $subscriber = null, $language = null) {
            $subject = false;

            if (!empty($type)) {
                $subject = __($this -> get_option('etsubject_' . $type));
            }

            $subject = $this -> process_set_variables($subscriber, $subject, false, false, true);
            return $subject;
        }