Google Cloud Storage for PHP
Idiomatic PHP client forCloud Storage.
NOTE: This repository is part ofGoogle Cloud PHP. Anysupport requests, bug reports, or development contributions should be directed tothat project.
Allows world-wide storage and retrieval of any amount of data at any time. You can use Cloud Storage for a range ofscenarios including serving website content, storing data for archival and disaster recovery, or distributing large data objects to users via direct download.
Installation
To begin, install the preferred dependency manager for PHP,Composer.
Now install this component:
$ composer require google/cloud-storageAuthentication
Please see ourAuthentication guide for more informationon authenticating your client. Once authenticated, you'll be ready to start making requests.
Sample
require 'vendor/autoload.php';use Google\Cloud\Storage\StorageClient;$storage = new StorageClient();$bucket = $storage->bucket('my_bucket');// Upload a file to the bucket.$bucket->upload( fopen('/data/file.txt', 'r'));// Using Predefined ACLs to manage object permissions, you may// upload a file and give read access to anyone with the URL.$bucket->upload( fopen('/data/file.txt', 'r'), [ 'predefinedAcl' => 'publicRead' ]);// Download and store an object from the bucket locally.$object = $bucket->object('file_backup.txt');$object->downloadToFile('/data/file_backup.txt');Stream Wrapper
require 'vendor/autoload.php';use Google\Cloud\Storage\StorageClient;$storage = new StorageClient();$storage->registerStreamWrapper();$contents = file_get_contents('gs://my_bucket/file_backup.txt');Debugging
Please see ourDebugging guidefor more information about the debugging tools.
Version
This component is considered GA (generally available). As such, it will not introduce backwards-incompatible changes inany minor or patch releases. We will address issues and requests with the highest priority.
Next Steps
- Understand theofficial documentation.
- Take a look atin-depth usage samples.
Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 4.0 License, and code samples are licensed under theApache 2.0 License. For details, see theGoogle Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-01-24 UTC.