Facebook PHP SDK , Post to another users wall whats wrong? -


hello test code in order post facebook wall.if some_user me works , if user, doesn't ! can explain whats going wrong ? !!

my application in sandbox mode tried live , nothing changed !

    <?php      require_once 'src/facebook.php';       $msg = 'some message go here.';      $title = 'some title go here';      $uri = 'http://test.com';      $desc = 'some detailed message.';      $action_name = 'action link in footer of post';      $action_link = 'http://www.test.com';      $scope = "publish_stream,publish_actions";      $app_id = "xxx";     $app_secret = "xxxx";     $facebook = new facebook(array(             'appid' => $app_id,             'secret' => $app_secret,             'cookie' => true     ));       $user = $facebook->getuser();       if ($user) {           try {             $accesstoken = $facebook->getaccesstoken();              if (!empty( $accesstoken )) {                      $attachment = array(                          'access_token' => $accesstoken,                          'message' => $msg,                          'name' => $title,                          'link' => $uri,                          'description' => $desc,                          'picture'=>$pic,                          'actions' => json_encode(array('name' => $action_name,'link' => $action_link,'scope' => $scope))                       );  $status = $facebook->api("/some_user/feed", "post", $attachment);               }           } catch (facebookapiexception $e) {                      $user = null;           }      }else {           header("location:{$facebook->getloginurl(array('scope' => 'publish_stream,publish_actions'))}");      }


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