/**
  * sends xmlrpc pings
  */
 function sendXmlRpcPings()
 {
     // send the xmlrpc ping
     if (!$this->_config->getValue("xmlrpc_ping_enabled", false)) {
         return "";
     }
     $blogs = new Blogs();
     $resultArray = $blogs->updateNotify($this->_blogInfo);
     // check to prevent throwing an error if the list is empty
     if ($resultArray == "" || empty($resultArray)) {
         return "";
     }
     foreach ($resultArray as $host => $result) {
         if ($result == "OK") {
             $message .= $this->_locale->tr("xmlrpc_ping_ok") . $host . ".<br/>";
         } else {
             $message .= $this->_locale->tr("error_sending_xmlrpc_ping") . $host . ".";
             if ($result != "") {
                 $message .= "<br/>" . $this->_locale->tr("error_sending_xmlrpc_ping_message") . $result . ".";
             }
             $message .= "<br/>";
         }
     }
     return $message;
 }