public function fromXml(SimpleXMLElement $xmlElement)
    {
        $classname = $this->xmlElementToClassname($xmlElement);
        if (!is_null($classname)) {
            $return = new $classname();
            if ($return instanceof ArrayObject) {
                foreach ($xmlElement as $xmlChild) {
                    $return->append($this->fromXml($xmlChild));
                }
            } else {
                $objectData = array();
                foreach ($xmlElement as $xmlChild) {
                    $key = $this->xmlkeyToProperty($xmlChild->getName());
                    if (isset($objectData[$key])) {
                        if (!is_array($objectData[$key])) {
                            $objectData[$key] = array($objectData[$key]);
                        }
                        $objectData[$key][] = $this->fromXml($xmlChild);
                    } else {
                        $objectData[$key] = $this->fromXml($xmlChild);
                    }
                }
                $return->setData($objectData, false);
            }
        } else {
            $return = $this->castValue($xmlElement);
        }

        return $return;
    }