CXMLFileStream::readFilePart

public function readFilePart($startPosition, $endPosition)
{
	if (is_resource($this->fileHandler))
	{
		$savedPosition = ftell($this->fileHandler);
		fseek($this->fileHandler, $startPosition);
		$xmlChunk = fread($this->fileHandler, $endPosition - $startPosition);
		fseek($this->fileHandler, $savedPosition);
		return $xmlChunk;
	}
	return false;
}