/**
  *
  * @param SimpleXMLElement $elt
  * @return FzRule 
  */
 public static function fromXml(SimpleXMLElement $elt)
 {
     $fzRule = new FzRule();
     $fzRule->setSpeed((int) $elt['Speed']);
     $fzRule->setDays((int) $elt->Days);
     //Date
     if (count($elt->Date)) {
         $date = array();
         $date['Year'] = (string) $elt->Date['Year'];
         $date['Month'] = (string) $elt->Date['Month'];
         $date['Day'] = (string) $elt->Date['Day'];
         $fzRule->setDate($date);
     }
     //From
     if (count($elt->From)) {
         $from = array();
         $from['Hour'] = (string) $elt->From['Hour'];
         $from['Minute'] = (string) $elt->From['Minute'];
         $from['Second'] = (string) $elt->From['Second'];
         $fzRule->setFrom($from);
     }
     //To
     if (count($elt->To)) {
         $to = array();
         $to['Hour'] = (string) $elt->To['Hour'];
         $to['Minute'] = (string) $elt->To['Minute'];
         $to['Second'] = (string) $elt->To['Second'];
         $fzRule->setTo($to);
     }
     return $fzRule;
 }