晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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# AWS SDK for PHP - Version 3

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The **AWS SDK for PHP** makes it easy for developers to access [Amazon Web
Services][aws] in their PHP code, and build robust applications and software
using services like Amazon S3, Amazon DynamoDB, Amazon Glacier, etc. You can
get started in minutes by [installing the SDK through Composer][docs-installation]
or by downloading a single zip or phar file from our [latest release][latest-release].

## Resources

* [User Guide][docs-guide] – For both getting started and in-depth SDK usage information
* [API Docs][docs-api] – For details about operations, parameters, and responses
* [Blog][sdk-blog] – Tips & tricks, articles, and announcements
* [Sample Project][sdk-sample] - A quick, sample project to help get you started
* [Forum][sdk-forum] – Ask questions, get help, and give feedback
* [Issues][sdk-issues] – Report issues, submit pull requests, and get involved
  (see [Apache 2.0 License][sdk-license])
* [@awsforphp][sdk-twitter] – Follow us on Twitter

## Getting Help

Please use these community resources for getting help. We use the GitHub issues for tracking bugs and feature requests and have limited bandwidth to address them.

* Ask a question on [StackOverflow](https://stackoverflow.com/) and tag it with [`aws-php-sdk`](http://stackoverflow.com/questions/tagged/aws-php-sdk)
* Come join the AWS SDK for PHP [gitter](https://gitter.im/aws/aws-sdk-php)
* Open a support ticket with [AWS Support](https://console.aws.amazon.com/support/home/)
* If it turns out that you may have found a bug, please [open an issue](https://github.com/aws/aws-sdk-php/issues/new)

## Opening Issues

If you encounter a bug with `aws-sdk-php` we would like to hear about it. Search the existing issues and try to make sure your problem doesn’t already exist before opening a new issue. It’s helpful if you include the version of `aws-sdk-php`, PHP version and OS you’re using. Please include a stack trace and reduced repro case when appropriate, too.

The GitHub issues are intended for bug reports and feature requests. For help and questions with using `aws-sdk-php` please make use of the resources listed in the Getting Help section. There are limited resources available for handling issues and by keeping the list of open issues lean we can respond in a timely manner.

## Features

* Provides easy-to-use HTTP clients for all supported AWS
  [services][docs-services], [regions][docs-rande], and authentication
  protocols.
* Is built on [Guzzle][guzzle-docs], and utilizes many of its features,
  including persistent connections, asynchronous requests, middlewares, etc.
* Provides convenience features including easy result pagination via
  [Paginators][docs-paginators], [Waiters][docs-waiters], and simple
  [Result objects][docs-results].
* Provides a [multipart uploader tool][docs-s3-multipart] for Amazon S3 and
  Amazon Glacier that can be paused and resumed.
* Provides an [Amazon S3 Stream Wrapper][docs-streamwrapper], so that you can
  use PHP's native file handling functions to interact with your S3 buckets and
  objects like a local filesystem.
* Provides the [Amazon DynamoDB Session Handler][docs-ddbsh] for easily scaling
  sessions on a fast, NoSQL database.
* Automatically uses [IAM Instance Profile Credentials][aws-iam-credentials] on
  configured Amazon EC2 instances.

## Getting Started

1. **Sign up for AWS** – Before you begin, you need to
   sign up for an AWS account and retrieve your [AWS credentials][docs-signup].
1. **Minimum requirements** – To run the SDK, your system will need to meet the
   [minimum requirements][docs-requirements], including having **PHP >= 5.5**.
   We highly recommend having it compiled with the cURL extension and cURL
   7.16.2+ compiled with a TLS backend (e.g., NSS or OpenSSL).
1. **Install the SDK** – Using [Composer] is the recommended way to install the
   AWS SDK for PHP. The SDK is available via [Packagist] under the
   [`aws/aws-sdk-php`][install-packagist] package. If Composer is installed globally on your system, you can run the following in the base directory of your project to add the SDK as a dependency:
   ```
   composer require aws/aws-sdk-php
   ```
   Please see the
   [Installation section of the User Guide][docs-installation] for more
   detailed information about installing the SDK through Composer and other
   means.
1. **Using the SDK** – The best way to become familiar with how to use the SDK
   is to read the [User Guide][docs-guide]. The
   [Getting Started Guide][docs-quickstart] will help you become familiar with
   the basic concepts.

## Quick Examples

### Create an Amazon S3 client

```php
<?php
// Require the Composer autoloader.
require 'vendor/autoload.php';

use Aws\S3\S3Client;

// Instantiate an Amazon S3 client.
$s3 = new S3Client([
    'version' => 'latest',
    'region'  => 'us-west-2'
]);
```

### Upload a file to Amazon S3

```php
<?php
// Upload a publicly accessible file. The file size and type are determined by the SDK.
try {
    $s3->putObject([
        'Bucket' => 'my-bucket',
        'Key'    => 'my-object',
        'Body'   => fopen('/path/to/file', 'r'),
        'ACL'    => 'public-read',
    ]);
} catch (Aws\S3\Exception\S3Exception $e) {
    echo "There was an error uploading the file.\n";
}
```

### Related AWS Projects

* [AWS Service Provider for Laravel][mod-laravel]
* [AWS SDK ZF2 Module][mod-zf2]
* [AWS Service Provider for Silex][mod-silex]
* [AWS SDK Bundle for Symfony][mod-symfony]
* [Amazon SNS Message Validator for PHP][sns-validator] - SNS validator without requiring SDK
* [Guzzle Version 6][guzzle-docs] – PHP HTTP client and framework
* For Version 2 of the SDK:
  * [User Guide][docs-guide-v2]
  * [API Docs][docs-api-v2]
* Other [AWS SDKs & Tools][aws-tools] (e.g., js, cli, ruby, python, java, etc.)

[sdk-website]: http://aws.amazon.com/sdkforphp
[sdk-forum]: https://forums.aws.amazon.com/forum.jspa?forumID=80
[sdk-issues]: https://github.com/aws/aws-sdk-php/issues
[sdk-license]: http://aws.amazon.com/apache2.0/
[sdk-blog]: https://aws.amazon.com/blogs/developer/category/php/
[sdk-twitter]: https://twitter.com/awsforphp
[sdk-sample]: http://aws.amazon.com/developers/getting-started/php

[install-packagist]: https://packagist.org/packages/aws/aws-sdk-php
[latest-release]: https://github.com/aws/aws-sdk-php/releases

[docs-api]: http://docs.aws.amazon.com/aws-sdk-php/v3/api/index.html
[docs-guide]: http://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/welcome.html
[docs-api-v2]: http://docs.aws.amazon.com/aws-sdk-php/v2/api/index.html
[docs-guide-v2]: http://docs.aws.amazon.com/aws-sdk-php/v2/guide/index.html
[docs-contribution]: https://github.com/aws/aws-sdk-php/blob/master/CONTRIBUTING.md
[docs-migration]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/getting-started_migration.html
[docs-signup]: http://aws.amazon.com/developers/access-keys/
[docs-requirements]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/getting-started_requirements.html
[docs-installation]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/getting-started_installation.html
[docs-quickstart]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/welcome.html#getting-started
[docs-paginators]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/guide_paginators.html
[docs-waiters]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/guide_waiters.html
[docs-results]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/getting-started_basic-usage.html#result-objects
[docs-exceptions]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/getting-started_basic-usage.html#handling-errors
[docs-wire-logging]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/faq.html#how-can-i-see-what-data-is-sent-over-the-wire
[docs-ddbsh]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/service_dynamodb-session-handler.html
[docs-services]: https://aws.amazon.com/products/
[docs-rande]: http://docs.aws.amazon.com/general/latest/gr/rande.html
[docs-streamwrapper]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/s3-stream-wrapper.html
[docs-s3-transfer]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/s3-transfer.html
[docs-s3-multipart]: https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/s3-multipart-upload.html

[aws]: http://aws.amazon.com
[aws-iam-credentials]: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/UsingIAM.html#UsingIAMrolesWithAmazonEC2Instances
[aws-tools]: http://aws.amazon.com/tools
[guzzle-docs]: http://guzzlephp.org
[composer]: http://getcomposer.org
[packagist]: http://packagist.org
[psr-7]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-7-http-message.md
[psr-4]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md
[psr-1]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-1-basic-coding-standard.md
[psr-2]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md

[mod-laravel]: https://github.com/aws/aws-sdk-php-laravel
[mod-zf2]: https://github.com/aws/aws-sdk-php-zf2
[mod-silex]: https://github.com/aws/aws-sdk-php-silex
[mod-symfony]: https://github.com/aws/aws-sdk-php-symfony
[sns-validator]: https://github.com/aws/aws-php-sns-message-validator

haha - 2025