protected function to_html(ImsXmlReader $item)
{
$xml = $item->get_xml();
$variables = $item->all_printedVariable();
foreach ($variables as $var) {
$var_xml = $var->get_xml();
$name = '{' . $var->identifier . '}';
$xml = str_replace($var_xml, $name, $xml);
}
$xml = '<?xml version="1.0" encoding="UTF-8" ?>' . $xml;
$item = new ImsQtiReader();
$item->load_xml($xml);
$result = parent::to_html($item);
return $result;
}
