Transferred

.gitmodules

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+[submodule "sdk"]
+	path = sdk
+	url = https://github.com/facebook/facebook-php-sdk.git

AppInfo.php

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+<?php
+
+/**
+ * This class provides static methods that return pieces of data specific to
+ * your app
+ */
+class AppInfo {
+
+  /*****************************************************************************
+   *
+   * These functions provide the unique identifiers that your app users.  These
+   * have been pre-populated for you, but you may need to change them at some
+   * point.  They are currently being stored in 'Environment Variables'.  To
+   * learn more about these, visit
+   *   'http://php.net/manual/en/function.getenv.php'
+   *
+   ****************************************************************************/
+
+  /**
+   * @return the appID for this app
+   */
+  public static function appID() {
+    return getenv('FACEBOOK_APP_ID');
+  }
+
+  /**
+   * @return the appSecret for this app
+   */
+  public static function appSecret() {
+    return getenv('FACEBOOK_SECRET');
+  }
+
+  /**
+   * @return the url
+   */
+  public static function getUrl($path = '/') {
+    if (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == 1)
+      || isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'
+    ) {
+      $protocol = 'https://';
+    }
+    else {
+      $protocol = 'http://';
+    }
+
+    return $protocol . $_SERVER['HTTP_HOST'] . $path;
+  }
+
+}

Readme.md

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+Facebook/Heroku sample app -- PHP
+=================================
+
+This is a sample app showing use of the Facebook Graph API, written in PHP, designed for deployment to [Heroku](http://www.heroku.com/).
+
+Run locally
+-----------
+
+Configure Apache with a `VirtualHost` that points to the location of this code checkout on your system.
+
+[Create an app on Facebook](https://developers.facebook.com/apps) and set the Website URL to your local VirtualHost.
+
+Copy the App ID and Secret from the Facebook app settings page into your `VirtualHost` config, something like:
+
+    <VirtualHost *:80>
+        DocumentRoot /Users/adam/Sites/myapp
+        ServerName myapp.localhost
+        SetEnv FACEBOOK_APP_ID 12345
+        SetEnv FACEBOOK_SECRET abcde
+    </VirtualHost>
+
+Restart Apache, and you should be able to visit your app at its local URL.
+
+Deploy to Heroku via Facebook integration
+-----------------------------------------
+
+The easiest way to deploy is to create an app on Facebook and click Cloud Services -> Get Started, then choose PHP from the dropdown.  You can then `git clone` the resulting app from Heroku.
+
+Deploy to Heroku directly
+-------------------------
+
+If you prefer to deploy yourself, push this code to a new Heroku app on the Cedar stack, then copy the App ID and Secret into your config vars:
+
+    heroku create --stack cedar
+    git push heroku master
+    heroku config:add FACEBOOK_APP_ID=12345 FACEBOOK_SECRET=abcde
+
+Enter the URL for your Heroku app into the Website URL section of the Facebook app settings page, hen you can visit your app on the web.
+

channel.html

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+<script src="//connect.facebook.net/en_US/all.js"></script>