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===================================================
MongoDB\\GridFS\\Bucket::openDownloadStreamByName()
===================================================
.. default-domain:: mongodb
.. contents:: On this page
:local:
:backlinks: none
:depth: 1
:class: singlecol
Definition
----------
.. phpmethod:: MongoDB\\GridFS\\Bucket::openDownloadStreamByName()
Selects a GridFS file by its ``filename`` and opens it as a readable stream.
.. code-block:: php
function openDownloadStreamByName($filename, array $options = []): resource
This method has the following parameters:
.. include:: /includes/apiargs/MongoDBGridFSBucket-method-openDownloadStreamByName-param.rst
The ``$options`` parameter supports the following options:
.. include:: /includes/apiargs/MongoDBGridFSBucket-method-openDownloadStreamByName-option.rst
Return Values
-------------
A readable stream resource.
Errors/Exceptions
-----------------
.. include:: /includes/extracts/error-gridfs-filenotfoundexception.rst
.. include:: /includes/extracts/error-driver-runtimeexception.rst
Examples
--------
.. code-block:: php
<?php
$bucket = (new MongoDB\Client)->test->selectGridFSBucket();
$stream = fopen('php://temp', 'w+b');
fwrite($stream, "foobar");
rewind($stream);
$bucket->uploadFromStream('filename', $stream);
var_dump(stream_get_contents($bucket->openDownloadStreamByName('filename')));
The output would then resemble::
string(6) "foobar"
See Also
--------
- :phpmethod:`MongoDB\\GridFS\\Bucket::downloadToStream()`
- :phpmethod:`MongoDB\\GridFS\\Bucket::downloadToStreamByName()`
- :phpmethod:`MongoDB\\GridFS\\Bucket::openDownloadStream()`