$document public property Document to be downloaded.

$database public property MongoDB database instance.

getChunkCollection() public method Returns the MongoDB

$bytes public read-only property File content.

__construct() public method Constructor.

$filename public read-only property File name.

__unset() public method PHP magic method, which is invoked

getFileContent() public method Returns the associated

stream_tell() public method Retrieve the current position

init() public method Initializes the object.