PHP code example of lzakrzewski / facebook-authentication-adapter

1. Go to this page and download the library: Download lzakrzewski/facebook-authentication-adapter library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

lzakrzewski / facebook-authentication-adapter example snippets




namespace Lzakrzewski\FacebookAuthenticationAdapter\Adapter;

interface FacebookApi
{
    const GRAPH_API_ME_URL = 'https://graph.facebook.com/v2.5/me';
    const GRAPH_API_ACCESS_TOKEN_URL = 'https://graph.facebook.com/v2.5/oauth/access_token';

    /**
     * Returns access token during code exchange.
     *
     * @param $code
     *
     * @throws FacebookApiException
     *
     * @return string
     */
    public function accessToken($code);

    /**
     * Returns a single user node as array.
     *
     * @param string $accessToken
     * @param array  $fields
     *
     * @throws FacebookApiException
     *
     * @return array
     */
    public function me($accessToken, array $fields = array());
}




isset($_GET['code'])) {
    header("Location: https://www.facebook.com/v2.5/dialog/oauth");
}

if (isset($_GET['code'])) {

    $client = new GuzzleHttp\Client();
    $adapter = new Lzakrzewski\FacebookAuthenticationAdapter\Adapter\GuzzleFacebookApi($client, 'http://my.host/login', 123123123123123, 'app-secret');

    $accessToken = $adapter->accessToken($_GET['code']);
    $userNode = $adapter->me($accessToken, array('first_name', 'last_name', 'gender', 'email', 'birthday', 'name'));

    //Your own logic to process facebook user node
}