MongoDB\GridFS\Bucket::uploadFromStream()

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Definition
Return Values
Errors/Exceptions
Examples
See Also

Definition

MongoDB\GridFS\Bucket::uploadFromStream

Creates a new GridFS file and copies the contents of a readable stream to it.

function uploadFromStream(string $filename, resource $source, array $options = []): mixed

This method has the following parameters:

Parameter	Type	Description
`$filename`	string	The `filename` of the file.
`$source`	resource	Readable stream, from which the new GridFS file’s contents will be read.
`$options`	array	Optional. An array specifying the desired options.

The $options parameter supports the following options:

Option	Type	Description
`_id`	mixed	Optional. Value to use as the file document identifier. Defaults to a new MongoDB\BSON\ObjectId object.
`chunkSizeBytes`	integer	Optional. The chunk size in bytes. Defaults to the bucket’s `chunkSizeBytes` option.
`disableMD5`	boolean	Optional. Whether to disable automatic MD5 generation when storing files. Defaults to `false`.
`metadata`	array\|object	Optional. User data for the `metadata` field of the file document. If not specified, the `metadata` field will not be set on the file document.

Return Values

The _id field of the metadata document associated with the newly created GridFS file. If the _id option is not specified, a new MongoDB\BSON\ObjectId object will be used by default.

Errors/Exceptions

MongoDB\Exception\InvalidArgumentException for errors related to the parsing of parameters or options.

MongoDB\Driver\Exception\RuntimeException for other errors at the driver level (e.g. connection errors).

Examples

copy

<?php

$bucket = (new MongoDB\Client)->test->selectGridFSBucket();

$stream = fopen('php://temp', 'w+b');
fwrite($stream, "foobar");
rewind($stream);

$id = $bucket->uploadFromStream('filename', $stream);

var_dump($id);

The output would then resemble: