private function xmlDefaultHandler($parser, $data)
{
//strip '<!--' and '-->' off comments
$data = str_replace(["<!--", "-->"], "", htmlspecialchars($data));
$count = $this->xmlCount - 1;
if (!empty($this->xmlDData[$count])) {
$this->xmlDData[$count] .= $data;
} else {
$this->xmlDData[$count] = $data;
}
}