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+# AWS SDK for PHP
+
+The AWS SDK for PHP enables developers to build solutions for Amazon Simple Storage Service (Amazon S3),
+Amazon Elastic Compute Cloud (Amazon EC2), Amazon SimpleDB, and more. With the AWS SDK for PHP, developers
+can get started in minutes with a single, downloadable package.
+
+The SDK features:
+
+* **AWS PHP Libraries:** Build PHP applications on top of APIs that take the complexity out of coding directly
+  against a web service interface. The toolkit provides APIs that hide much of the lower-level implementation.
+* **Code Samples:** Practical examples for how to use the toolkit to build applications.
+* **Documentation:** Complete SDK reference documentation with samples demonstrating how to use the SDK.
+* **PEAR package:** The ability to install the AWS SDK for PHP as a PEAR package.
+* **SDK Compatibility Test:** Includes both an HTML-based and a CLI-based SDK Compatibility Test that you can
+  run on your server to determine whether or not your PHP environment meets the minimum requirements.
+
+For more information about the AWS SDK for PHP, including a complete list of supported services, see
+[aws.amazon.com/sdkforphp](http://aws.amazon.com/sdkforphp).
+
+
+## Signing up for Amazon Web Services
+
+Before you can begin, you must sign up for each service you want to use.
+
+To sign up for a service:
+
+* Go to the home page for the service. You can find a list of services on
+  [aws.amazon.com/products](http://aws.amazon.com/products).
+* Click the Sign Up button on the top right corner of the page. If you don't already have an AWS account, you
+  are prompted to create one as part of the sign up process.
+* Follow the on-screen instructions.
+* AWS sends you a confirmation e-mail after the sign-up process is complete. At any time, you can view your
+  current account activity and manage your account by going to [aws.amazon.com](http://aws.amazon.com) and
+  clicking "Your Account".
+
+
+## Source
+The source tree for includes the following files and directories:
+
+* `_compatibility_test` -- Includes both an HTML-based and a CLI-based SDK Compatibility Test that you can
+  run on your server to determine whether or not your PHP environment meets the minimum requirements.
+* `_docs` -- Informational documents, the contents of which should be fairly self-explanatory.
+* `_samples` -- Code samples that you can run out of the box.
+* `extensions` -- Extra code that can be used to enhance usage of the SDK, but isn't a service class or a
+  third-party library.
+* `lib` -- Contains any third-party libraries that the SDK depends on. The licenses for these projects will
+  always be Apache 2.0-compatible.
+* `services` -- Contains the service-specific classes that communicate with AWS. These classes are always
+  prefixed with `Amazon`.
+* `utilities` -- Contains any utility-type methods that the SDK uses. Includes extensions to built-in PHP
+  classes, as well as new functionality that is entirely custom. These classes are always prefixed with `CF`.
+* `README` -- The document you're reading right now.
+* `config-sample.inc.php` -- A sample configuration file that should be filled out and renamed to `config.inc.php`.
+* `sdk.class.php` -- The SDK loader that you would include in your projects. Contains the base functionality
+  that the rest of the SDK depends on.
+
+
+## Minimum Requirements in a nutshell
+
+* You are at least an intermediate-level PHP developer and have a basic understanding of object-oriented PHP.
+* You have a valid AWS account, and you've already signed up for the services you want to use.
+* The PHP interpreter, version 5.2 or newer. PHP 5.2.17 or 5.3.x is highly recommended for use with the AWS SDK for PHP.
+* The cURL PHP extension (compiled with the [OpenSSL](http://openssl.org) libraries for HTTPS support).
+* The ability to read from and write to the file system via [file_get_contents()](http://php.net/file_get_contents) and [file_put_contents()](http://php.net/file_put_contents).
+
+If you're not sure whether your PHP environment meets these requirements, run the
+[SDK Compatibility Test](http://github.com/amazonwebservices/aws-sdk-for-php/tree/master/_compatibility_test/) script
+included in the SDK download.
+
+
+## Installation
+
+### Via GitHub
+
+[Git](http://git-scm.com) is an extremely fast, efficient, distributed version control system ideal for the
+collaborative development of software. [GitHub](http://github.com/amazonwebservices) is the best way to
+collaborate with others. Fork, send pull requests and manage all your public and private git repositories.
+We believe that GitHub is the ideal service for working collaboratively with the open source PHP community.
+
+Git is primarily a command-line tool. GitHub provides instructions for installing Git on
+[Mac OS X](http://help.github.com/mac-git-installation/), [Windows](http://help.github.com/win-git-installation/),
+and [Linux](http://help.github.com/linux-git-installation/). If you're unfamiliar with Git, there are a variety
+of resources on the net that will help you learn more:
+
+* [Git Immersion](http://gitimmersion.com) is a guided tour that walks through the fundamentals of Git, inspired
+  by the premise that to know a thing is to do it.
+* The [PeepCode screencast on Git](https://peepcode.com/products/git) ($12) will teach you how to install and
+  use Git. You'll learn how to create a repository, use branches, and work with remote repositories.
+* [Git Reference](http://gitref.org) is meant to be a quick reference for learning and remembering the most
+  important and commonly used Git commands.
+* [Git Ready](http://gitready.com) provides a collection of Git tips and tricks.
+* If you want to dig even further, I've [bookmarked other Git references](http://pinboard.in/u:skyzyx/t:git).
+
+If you're comfortable working with Git and/or GitHub, you can pull down the source code as follows:
+
+    git clone git://github.com/amazonwebservices/aws-sdk-for-php.git AWSSDKforPHP
+    cd ./AWSSDKforPHP
+
+### Via PEAR
+
+[PEAR](http://pear.php.net) stands for the _PHP Extension and Application Repository_ and is a framework and
+distribution system for reusable PHP components. It is the PHP equivalent to package management software such as
+[MacPorts](http://macports.org) and [Homebrew](https://github.com/mxcl/homebrew) for Mac OS X,
+[Yum](http://fedoraproject.org/wiki/Tools/yum) and [Apt](http://wiki.debian.org/Apt) for GNU/Linux,
+[RubyGems](http://rubygems.org) for Ruby, [Easy Install](http://packages.python.org/distribute/easy_install.html)
+for Python, [Maven](http://maven.apache.org) for Java, and [NPM](http://npm.mape.me) for Node.js.
+
+PEAR packages are very easy to install, and are available in your PHP environment path so that they are accessible
+to any PHP project. PEAR packages are not specific to your project, but rather to the machine that they're
+installed on.
+
+From the command-line, you can install the SDK with PEAR as follows:
+
+    pear channel-discover pear.amazonwebservices.com
+    pear install aws/sdk
+
+You may need to use `sudo` for the above commands. Once the SDK has been installed via PEAR, you can load it into
+your project with:
+
+	require_once 'AWSSDKforPHP/sdk.class.php';
+
+### Configuration
+
+1. Copy the contents of [config-sample.inc.php](https://github.com/amazonwebservices/aws-sdk-for-php/raw/master/config-sample.inc.php)
+   and add your credentials as instructed in the file.
+2. Move your file to `~/.aws/sdk/config.inc.php`.
+3. Make sure that `getenv('HOME')` points to your user directory. If not you'll need to set
+   `putenv('HOME=<your-user-directory>')`.
+
+
+## Additional Information
+
+* AWS SDK for PHP: <http://aws.amazon.com/sdkforphp>
+* Documentation: <http://docs.amazonwebservices.com/AWSSDKforPHP/latest/>
+* License: <http://aws.amazon.com/apache2.0/>
+* Discuss: <http://aws.amazon.com/forums>