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Editorial Team
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Asked: 2026-05-16T16:14:16+00:00

I am using facebook PHP SDK to access the friend list include_once(../fb-config.php); include_once(../facebook.php); try{

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I am using facebook PHP SDK to access the friend list 

    include_once("../fb-config.php");
    include_once("../facebook.php");

 try{

 $facebook = new Facebook(array(
   'appId'  => 'FACEBOOK_APP_ID',
   'secret' => 'FACEBOOK_SECRET',
   'cookie' => true, // enable optional cookie support
 ));
 $uid=$facebook->getUser();
 $data = $facebook->api( array( 'method' => 'friends.getappusers') );
 var_dump($data);
} catch (FacebookApiException $e) {
    echo $e->__toString();
  }

i get the following error

Exception: 104: Requires valid
signature

Please help

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1 Answer

  1. Editorial Team

    Make sure your App ID and App Secret are correct and also your website URL matches the one which you inserted when you was creating application over facebook using Developer app.

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