title: how i can parse data from facebook using graphAPI
body: <p>I'm filling it with correct informations.Why it tells me your app id is not valid ???</p>
  
  <p>app secret in here i fake but its true in script. tell me what should i do please</p>
  
  <pre><code>      &lt;?php
  session_start();
  // added in v4.0.0
  require_once 'vendor/autoload.php';
  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\Entities\AccessToken;
  use Facebook\HttpClients\FacebookCurlHttpClient;
  use Facebook\HttpClients\FacebookHttpable;
  
  // start session
  
  // init app with app id and secret
  FacebookSession::setDefaultApplication( '425591634259397','5e5789c1b17394a42c4595dssfa8b4591d0' );
  
  $session = new FacebookSession('425591634259397|5e5789c1b1739dds4a42c4595fa8b4591d0');
  if ( isset( $session ) ) {
      // graph api request for user data
      $request = new FacebookRequest( $session, 'GET', '/972293049466394/feed' );
  
      $response = $request-&gt;execute();
      // get response
      $graphObject = $response-&gt;getGraphObject();
      // print data
      echo '&lt;pre&gt;' . print_r( $graphObject, 1 ) . '&lt;/pre&gt;';
  } else {
      // show login url
      echo '&lt;a href="' . $helper-&gt;getLoginUrl() . '"&gt;Login&lt;/a&gt;';
  }
  ?&gt;
  </code></pre>