private function getEmailFooter()
 {
     if (is_null(self::$emailFooterTemplate)) {
         $file_path = dirname(__FILE__) . "/emailFooter.html";
         if (file_exists($file_path)) {
             $file_content = file_get_contents($file_path);
             self::$emailFooterTemplate = $file_content;
         }
     }
     $forumsLink = kConf::get('forum_url');
     $footer = vsprintf(self::$emailFooterTemplate, array($forumsLink));
     return $footer;
 }
 private function getEmailFooter()
 {
     if (is_null(self::$emailFooterTemplate)) {
         $file_path = dirname(__FILE__) . "/emailFooter.html";
         if (file_exists($file_path)) {
             $file_content = file_get_contents($file_path);
             self::$emailFooterTemplate = $file_content;
         }
     }
     $footer = vsprintf(self::$emailFooterTemplate, array(KBatchBase::$taskConfig->params->forumUrl));
     return $footer;
 }