i trying get friends list from facebook using graph api and Graph secret. first i have tired Localhost its Working well.i got taotal friends of facebook. i have used Graph api and secret key.
My code Looks like
facebook.php
 <?php
require '/src/facebook.php';
$facebook = new Facebook(array(
  'appId'  => 'XXXXXXXXXXXXXXXXX',
  'secret' => 'XXXXXXXXXXXXXXXXX',
));
$app_id =   'xxxxxxxxxxxxxxxxxx';
$app_secret = 'xxxxxxxxxxxxxxxx';
$user = $facebook->getUser();
if ($user) {
  try {
    $user_profile = $facebook->api('/me');
  } catch (FacebookApiException $e) {
    error_log($e);
    $user = null;
  }
}
if ($user) {
    $logoutUrl = $facebook->getLogoutUrl();
    $result = $facebook->api('/me/friends');
    print "<pre>";
    //print_r($result);
    $json_output=($result['summary']['total_count']);
    // echo "<h1>".'<p>Following</p>'. $json_output. "</h1>";
     echo '<p>Friends</p>'. "<h1>".$json_output. "</h1>";
    //echo '<div class="col-md-6 two">."<span>".$json_output."</span>""<p>FRIENDS COUNTR</p></div>';
    print "</pre>";
} else {
  $statusUrl = $facebook->getLoginUrl();
  $loginUrl = $facebook->getLoginUrl(array('scope' => 'user_friends'));
}
?>
this code i called my index html code
my top of the page i have write Looks like
 <?php
session_start();
?>
i have include facebook.php in my html page assign particular place its Looks like
                     <div class="col-md-6 two">
                                    <!--
                                    <span>36</span>
                                    <p>Following</p>--->
                                    <?php include("facebook.php"); ?>
                                </div>
this code working localhost xampp. When i move this code server side its showing that particular place blank page ?
 
     
    