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============
Installation
============
Installing via Composer
-----------------------
Using `Composer <http://getcomposer.org>`_ is the recommended way to install the AWS SDK for PHP. Composer is a
dependency management tool for PHP that allows you to declare the dependencies your project needs and installs them into
your project. In order to use the SDK with Composer, you must do the following:
#. Add ``"aws/aws-sdk-php"`` as a dependency in your project's ``composer.json`` file.
.. code-block:: js
{
"require": {
"aws/aws-sdk-php": "2.*"
}
}
Consider tightening your dependencies to a known version (e.g., ``~2.7.0``).
#. Download and install Composer.
.. code-block:: sh
curl -sS https://getcomposer.org/installer | php
#. Install your dependencies.
.. code-block:: sh
php composer.phar install
#. Require Composer's autoloader.
Composer prepares an autoload file that's capable of autoloading all of the classes in any of the libraries that
it downloads. To use it, just add the following line to your code's bootstrap process.
.. code-block:: php
require '/path/to/sdk/vendor/autoload.php';
You can find out more on how to install Composer, configure autoloading, and other best-practices for defining
dependencies at `getcomposer.org <http://getcomposer.org>`_.
During your development, you can keep up with the latest changes on the master branch by setting the version
requirement for the SDK to ``dev-master``.
.. code-block:: js
{
"require": {
"aws/aws-sdk-php": "dev-master"
}
}
If you are deploying your application to `AWS Elastic Beanstalk
<http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create_deploy_PHP_eb.html>`_, and you have a ``composer.json``
file in the root of your package, then Elastic Beanstalk will automatically perform a Composer ``install`` when you
deploy your application.
Installing via Phar
-------------------
Each release of the AWS SDK for PHP ships with a pre-packaged `phar <http://php.net/manual/en/book.phar.php>`_ (PHP
archive) file containing all of the classes and dependencies you need to run the SDK. Additionally, the phar file
automatically registers a class autoloader for the AWS SDK for PHP and all of its dependencies when included. Bundled
with the phar file are the following required and suggested libraries:
- `Guzzle <https://github.com/guzzle/guzzle>`_ for HTTP requests
- `Symfony2 EventDispatcher <http://symfony.com/doc/master/components/event_dispatcher/introduction.html>`_ for events
- `Monolog <https://github.com/seldaek/monolog>`_ and `Psr\\Log <https://github.com/php-fig/log>`_ for logging
- `Doctrine <https://github.com/doctrine/common>`_ for caching
You can download specific versions of a packaged Phar from https://github.com/aws/aws-sdk-php/releases
and simply include it in your scripts to get started::
require '/path/to/aws.phar';
.. note::
If you are using PHP with the Suhosin patch (especially common on Ubuntu and Debian distributions), you may need
to enable the use of phars in the ``suhosin.ini``. Without this, including a phar file in your code will cause it to
silently fail. You should modify the ``suhosin.ini`` file by adding the line:
``suhosin.executor.include.whitelist = phar``
Installing via Zip
------------------
Each release of the AWS SDK for PHP (since 2.3.2) ships with a zip file containing all of the classes and dependencies
you need to run the SDK in a `PSR-0 <https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md>`_
compatible directory structure. Additionally, the zip file includes a class autoloader for the AWS SDK for PHP and the
following required and suggested libraries:
- `Guzzle <https://github.com/guzzle/guzzle>`_ for HTTP requests
- `Symfony2 EventDispatcher <http://symfony.com/doc/master/components/event_dispatcher/introduction.html>`_ for events
- `Monolog <https://github.com/seldaek/monolog>`_ and `Psr\\Log <https://github.com/php-fig/log>`_ for logging
- `Doctrine <https://github.com/doctrine/common>`_ for caching
Using the zip file is great if you:
1. Prefer not to or cannot use Composer.
2. Cannot use phar files due to environment limitations.
3. Want to use only specific files from the SDK.
To get started, you must download a specific version of the zip file from
https://github.com/aws/aws-sdk-php/releases, unzip it into your
project to a location of your choosing, and include the autoloader::
require '/path/to/aws-autoloader.php';
Alternatively, you can write your own autoloader or use an existing one from your project.
If you have `phing <http://www.phing.info/>`_ installed, you can clone the SDK and build a zip file yourself using the
*"zip"* task.
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