private function createPathForFile(stdClass $file)
{
if (!is_object($file->_id) || method_exists($file->_id, '__toString')) {
$id = (string) $file->_id;
} else {
$id = \MongoDB\BSON\toJSON(\MongoDB\BSON\fromPHP(['_id' => $file->_id]));
}
return sprintf('%s://%s/%s.files/%s', self::$streamWrapperProtocol, urlencode($this->databaseName), urlencode($this->options['bucketName']), urlencode($id));
}