Coding Help!

pasenseoso said:

Hi fellow BH,

I am scrambling to get this code working but I miserable failed. It should suppose to redirect to either 2 pages. Pages for the likers and non likers. However, even if a user has liked a particular page, still there is no redirection or whatsoever. Can anyone help me fix this code? Its actually an FB fangate.

Code:

<?php
  $app_secret="xxxxxxxxxxxxx";
  $data = parse_signed_request($_REQUEST['signed_request'], $app_secret);
  $page_data=$data['page'];


  function parse_signed_request($signed_request, $secret) {
    list($encoded_sig, $payload) = explode('.', $signed_request, 2);


    // decode the data
    $sig = base64_url_decode($encoded_sig);
    $data = json_decode(base64_url_decode($payload), true);


    if (strtoupper($data['algorithm']) !== 'HMAC-SHA256') {
      error_log('Unknown algorithm. Expected HMAC-SHA256');
      return null;
    }
    // check sig
    $expected_sig = hash_hmac('sha256', $payload, $secret, $raw = true);
    if ($sig !== $expected_sig) {
      error_log('Bad Signed JSON signature!');
      return null;
    }


    return $data;
  }
  function base64_url_decode($input) {
    return base64_decode(strtr($input, '-_', '+/'));
  }


  if($page_data['liked'] == "1"){


    // Fan Content


  }else{


    // No-Fan Content


  }
?>

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