fb-sdk-v4.php

<?php

// obligatoire
session_start();

require('config/config.inc.php');
require('vendor/autoload.php'); // load des fichiers Facebook

use Facebook\FacebookSession;
use Facebook\FacebookRedirectLoginHelper;
use Facebook\FacebookRequest;
use Facebook\FacebookResponse;
use Facebook\FacebookSDKException;
use Facebook\FacebookRequestException;
use Facebook\FacebookAuthorizationException;
use Facebook\GraphObject;
use Facebook\CurlHttpClient;
use Facebook\GraphUser;

FacebookSession::setDefaultApplication($config['appid'], $config['secret']);

$helper = new FacebookRedirectLoginHelper('http://sdkv4.local/');

if(isset($_GET['logout'])) {
	unset($_SESSION['fb_token']);
}

// enregistrement du token facebook
if(isset($_SESSION) && isset($_SESSION['fb_token'])) {

	$session = new FacebookSession($_SESSION['fb_token']);
  
	try {
    	if(!$session->validate()) $session = null;
  	} catch (Exception $e) {
    	$session = null;
  	}
} else {  

	try {
    	
    	$session = $helper->getSessionFromRedirect();
  	} catch( FacebookRequestException $ex ) {

    	echo $ex->message; // Facebook exception
  	} catch( Exception $ex ) {
    	
    	echo $ex->message; // Other exception
  	}
}

// si connecté
if(isset($session)) {
  
	$_SESSION['fb_token'] 	= $session->getToken();
  	$session 				= new FacebookSession( $session->getToken() );
  
 	$request  = new FacebookRequest($session, 'GET', '/me');
  	$response = $request->execute();

	$graphObject = $response->getGraphObject()->asArray();
  
  	// infos accessibles
	var_dump($graphObject);
  
  	echo '<a href="' . $helper->getLogoutUrl($session, 'http://sdkv4.local?logout=true') . '">Logout</a>';
  
} else {
	// nouvelles façon de déclarer les "scopes"
	echo '<a href="' . $helper->getLoginUrl( array( 'email', 'user_friends' ) ) . '">Login</a>';
}

what is the contents of vendor/autoload.php ??

The content is auto-generated by Composer