Facebook请求阅读和user_id得到问题


facebook request reading and user_id geting issue

嗨,我像这样发送我的请求

 <?php 
         $app_id = "127736900693315";
         $canvas_page = "http://apps.facebook.com/greetingz";
         $message = "Dynamic_msg";
         $data_s="Dynamic_data";

         $requests_url = "https://www.facebook.com/dialog/apprequests?app_id=" 
                . $app_id . "&redirect_uri=" . urlencode($canvas_page)
                . "&message=" . $message."&data=".$data_s;
         if (empty($_REQUEST["request_ids"])) {
            echo("<script> top.location.href='" . $requests_url . "'</script>");

         } else {
         }
?>

此请求正常,但是当接收者单击通知时,我通过request_ids代码获取

如下
    if(!empty($_REQUEST['request_ids'])) {
    $config = array(
        'appId' => '343704039016593',
        'secret' => '56e711bf93d4e46426aa662c8be8d5ef',
        'cookie' => true,
    );
       $facebook = new Facebook($config);
        echo  $user_id= $facebook->getUser(); //** 0 printing**
        $app_token = $facebook->getAccessToken();
            $requests = explode(',',$_REQUEST['request_ids']);
            foreach($requests as $request_id) {
        $request_content = json_decode(file_get_contents("https://graph.facebook.com/'".$request_id."_".$user_id."'?access_token=$app_token"), TRUE);
print_r($request_content);  //**nothing is printing**

$deleted = file_get_contents("https://graph.facebook.com/$request_id?access_token=$app_token&method=delete");       


            }

我不知道我的编码有什么问题,我尝试了将近 7 天,我在线检查了教程,其中大部分都是旧的,现在 API 已经更新了。我什至无法得到user_id...我需要发送我的请求 OAuth 对话框吗? }

这对

我有用

foreach($ids as $id) {
    //you will get your data here
    $data = $facebook - > api('/'.$user.'/apprequests?'.$access_token);
    //you will delete the request here
    $delete_url = "https://graph.facebook.com/".$id."_".$user."?".$access_token."&method=delete";
    $result = file_get_contents($delete_url);
}​

希望这有帮助