Fan-Gate on Facebook App url + Facebook Tab Display Blank -


i have problem on facebook app. want make fan-gate when 1 enter app url, ex. apps.facebook.com/zoomcompetition/

i can't make on tab because display blank. works on app url want add fan-gate on app appoint facebook page. code

<?php  require 'src/facebook.php'; //require 'fbconfig.php'; require 'functions.php';  // create instance of our facebook application. $facebook = new facebook(array( 'appid' => ***************, 'secret' => **************, ));  // app user id $user = $facebook->getuser(); if ($user) { try { // if user authenticated , logged-in $user_profile = $facebook->api('/me'); //var_dump($user_profile); } catch (facebookapiexception $e) { error_log($e); $user = null; }  // if user authenticated generate variable logout url if ($user) {   $logouturl = $facebook->getlogouturl();  ?>  <!-- insert logged in html here -->  <a href="<?php echo $logouturl; ?>">logout</a>    <?php //always place code @ top of page  session_start();  if (!isset($_session['id'])) {  // redirection login page  facebook  header("location: index.php");  } echo ' welcome '.$_session['username'];  // or whatever want user see.   $varri = "http://www.*****.ps";   ?>      <iframe src=<?php print $varri; ?> scrolling="auto" width=100% height=100% frameborder="0"> </iframe>   <?php $user = $facebook->getuser(); if ($user) {   $ret_obj = $facebook->api('/me/feed', 'post',                                     array(                                       'link' => 'https://www.************.com',                                        'picture' => 'http://www.*******************.jpg',                                       'caption' => "أهلا وسهلا!",                                        'message' => ' welcome '.$_session['username'],                                         'uid'=> $facebook->getuser()                                  )); }   ?>   <?php } else {   $loginurl = $facebook->getloginurl(); }   if (!empty($user_profile )) {  $username = $user_profile['name'];  $uid = $user_profile['id'];  $email = $user_profile['email'];  $user = new user();  $userdata = $user->checkuser($uid, 'facebook', $username,$email,$twitter_otoken,$twitter_otoken_secret);  if(!empty($userdata)){  session_start();  $_session['id'] = $userdata['id'];  $_session['oauth_id'] = $uid;  $_session['username'] = $userdata['username'];  $_session['email'] = $email;  $_session['oauth_provider'] = $userdata['oauth_provider'];  //header("location: home.php"); ?> <!--<!doctype> <html> <head> <script>  function run(){     window.location.href = '/facebook/home.php'; } </script> </head> <body onload="run()"> </body> </html> --> <?php }  } else {  die("there error.");  }  }  else { // generate session if there none.  $login_url = $facebook->getloginurl(array( 'scope' => ' read_stream, publish_stream, email')); ?> <!doctype> <html> <head> <script>  function run(){     window.location.href = '<?php echo $login_url ?>'; } </script> </head> <body onload="run()"> </body> </html> <?php  }  ?>

can me solve 1 of following:

  1. what need make not display "blank" on tab? 2- how can make fan-gate specific facebook pae if 1 go app url directly?

what need make not display "blank" on tab?

generate output instead of nothing, i’d guess …?

how can make fan-gate specific facebook pae if 1 go app url directly?

you can redirect canvas page specific page/app combination via javascript (top.location.href = "fb-address of page/app id combo"). , check whether you’re on canvas page, simplest way give parameter in canvas page address, can evaluate in code.


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