Writes the contents of this GridFS file to a writable stream.
| public downloadToStream ( resource $destination ) | ||
| $destination | resource | Writable stream |
/**
* Writes the contents of a GridFS file, which is selected by name and
* revision, to a writable stream.
*
* Supported options:
*
* * revision (integer): Which revision (i.e. documents with the same
* filename and different uploadDate) of the file to retrieve. Defaults
* to -1 (i.e. the most recent revision).
*
* Revision numbers are defined as follows:
*
* * 0 = the original stored file
* * 1 = the first revision
* * 2 = the second revision
* * etc…
* * -2 = the second most recent revision
* * -1 = the most recent revision
*
* @param string $filename Filename
* @param resource $destination Writable Stream
* @param array $options Download options
*
* @throws FileNotFoundException
*/
public function downloadToStreamByName($filename, $destination, array $options = [])
{
$options += ['revision' => -1];
$file = $this->collectionWrapper->findFileByFilenameAndRevision($filename, $options['revision']);
if ($file === null) {
throw FileNotFoundException::byFilenameAndRevision($filename, $options['revision'], $this->getFilesNamespace());
}
$stream = new ReadableStream($this->collectionWrapper, $file);
$stream->downloadToStream($destination);
}
