public function setName($name)
 {
     if (strlen(trim($name)) > 0) {
         $this->name = YMarket::specialChars($name);
         return true;
     } else {
         return false;
     }
 }
 protected function getProp($data)
 {
     $tmp = '';
     if (is_array($data)) {
         foreach ($data as $key => $value) {
             if (is_array($value)) {
                 $tmp .= $this->getProp($value);
             } else {
                 if (strlen(trim($value)) > 0) {
                     $tmp .= "<{$key}>" . YMarket::specialChars(trim($value)) . "</{$key}>\r\n";
                 }
             }
         }
     }
     return $tmp;
 }