выгрузка данных в XML - Разработка расширений для Joomla

class MyworksControllerExportxml extends JControllerAdmin
{
	public function controllexportXML()
	{
		$model = $this->getModel('exportxml');

		if ($model->modelexportXML()) {
			$msg = JText::_( 'Успех' );
		}
		else
		{
			$msg = $model->getError();
		} 

		$this->setRedirect(JRoute::_( 'index.php?option=com_myworks' ), $msg);	
	}
}

class MyworksModelExportxml extends JModelList
{
	public function modelexportXML(){
		
		$db		= $this->getDbo();
		$query	= $db->getQuery(true);
		
		$query->select(array('name', 'id'));
		$query->from('#__myworks');
		
		$query->where('state = '.(int)1);
		
		$db->setQuery($query);
		$query = $db->loadObjectlist();

		$dom = new domDocument("1.0", "utf-8");
		$root = $dom->createElement("myworks");
		$dom->appendChild($root);
		
		foreach($query as $myworks) {
			$work = $dom->createElement("work", $myworks->name);
			$work->setAttribute("id", $myworks->id);
			$work->setAttribute("name", $myworks->name);
			$root->appendChild($work);
		}
		
		$dom->save($_SERVER['DOCUMENT_ROOT']."/media/com_myworks/myworksFlash.xml");
	}
}