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# Facebook SDK for PHP
[](https://travis-ci.org/facebook/facebook-php-sdk-v4)
[](https://scrutinizer-ci.com/g/facebook/facebook-php-sdk-v4/?branch=master)
[](https://packagist.org/packages/facebook/php-sdk-v4)
This repository contains the open source PHP SDK that allows you to access the Facebook Platform from your PHP app.
## Installation
The Facebook PHP SDK can be installed with [Composer](https://getcomposer.org/). Add the Facebook PHP SDK package to your `composer.json` file.
```json
{
"require": {
"facebook/php-sdk-v4": "~5.0"
}
}
```
## Usage
> **Note:** This version of the Facebook SDK for PHP requires PHP 5.4 or greater.
Simple GET example of a user's profile.
```php
$fb = new Facebook\Facebook([
'app_id' => '{app-id}',
'app_secret' => '{app-secret}',
'default_graph_version' => 'v2.4',
//'default_access_token' => '{access-token}', // optional
]);
// Use one of the helper classes to get a Facebook\Authentication\AccessToken entity.
// $helper = $fb->getRedirectLoginHelper();
// $helper = $fb->getJavaScriptHelper();
// $helper = $fb->getCanvasHelper();
// $helper = $fb->getPageTabHelper();
try {
// Get the Facebook\GraphNodes\GraphUser object for the current user.
// If you provided a 'default_access_token', the '{access-token}' is optional.
$response = $fb->get('/me', '{access-token}');
} catch(Facebook\Exceptions\FacebookResponseException $e) {
// When Graph returns an error
echo 'Graph returned an error: ' . $e->getMessage();
exit;
} catch(Facebook\Exceptions\FacebookSDKException $e) {
// When validation fails or other local issues
echo 'Facebook SDK returned an error: ' . $e->getMessage();
exit;
}
$me = $response->getGraphUser();
echo 'Logged in as ' . $me->getName();
```
Complete documentation, installation instructions, and examples are available at: [https://developers.facebook.com/docs/php](https://developers.facebook.com/docs/php)
## Tests
1. [Composer](https://getcomposer.org/) is a prerequisite for running the tests. Install composer globally, then run `composer install` to install required files.
2. Create a test app on [Facebook Developers](https://developers.facebook.com), then create `tests/FacebookTestCredentials.php` from `tests/FacebookTestCredentials.php.dist` and edit it to add your credentials.
3. The tests can be executed by running this command from the root directory:
```bash
$ ./vendor/bin/phpunit
```
By default the tests will send live HTTP requests to the Graph API. If you are without an internet connection you can skip these tests by excluding the `integration` group.
```bash
$ ./vendor/bin/phpunit --exclude-group integration
```
## Contributing
For us to accept contributions you will have to first have signed the [Contributor License Agreement](https://developers.facebook.com/opensource/cla). Please see [CONTRIBUTING](https://github.com/facebook/facebook-php-sdk-v4/blob/master/CONTRIBUTING.md) for details.
## License
Please see the [license file](https://github.com/facebook/facebook-php-sdk-v4/blob/master/LICENSE) for more information.
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