FACEBOOK SDK v4返回空白电子邮件地址 [英] FACEBOOK SDK v4 is returning blank email adress
问题描述
我正在使用Facebook sdk v4，但似乎无法获得电子邮件地址.这是我的代码.我已经搜索了互联网上的每个链接，并尝试了所有方法.还尝试了不同的脚本，但仍然收到空电子邮件.这是我的代码.
I'm using facebook sdk v4 and i can't seem to get the EMAIL ADDRESS. Here is my code. I have searched each and every link on internet and tried every thing. Also tried different scripts but still i'm getting null email. Here is my code.
/* INCLUSION OF LIBRARY FILEs*/
require_once( 'lib/Facebook/FacebookSession.php');
require_once( 'lib/Facebook/FacebookRequest.php' );
require_once( 'lib/Facebook/FacebookResponse.php' );
require_once( 'lib/Facebook/FacebookSDKException.php' );
require_once( 'lib/Facebook/FacebookRequestException.php' );
require_once( 'lib/Facebook/FacebookRedirectLoginHelper.php');
require_once( 'lib/Facebook/FacebookAuthorizationException.php' );
require_once( 'lib/Facebook/GraphObject.php' );
require_once( 'lib/Facebook/GraphUser.php' );
require_once( 'lib/Facebook/GraphSessionInfo.php' );
require_once( 'lib/Facebook/Entities/AccessToken.php');
require_once( 'lib/Facebook/HttpClients/FacebookCurl.php' );
require_once( 'lib/Facebook/HttpClients/FacebookHttpable.php');
require_once( 'lib/Facebook/HttpClients/FacebookCurlHttpClient.php');
/* USE NAMESPACES */
use Facebook\FacebookSession;
use Facebook\FacebookRedirectLoginHelper;
use Facebook\FacebookRequest;
use Facebook\FacebookResponse;
use Facebook\FacebookSDKException;
use Facebook\FacebookRequestException;
use Facebook\FacebookAuthorizationException;
use Facebook\GraphObject;
use Facebook\GraphUser;
use Facebook\GraphSessionInfo;
use Facebook\FacebookHttpable;
use Facebook\FacebookCurlHttpClient;
use Facebook\FacebookCurl;
/*PROCESS*/
//1.Stat Session
session_start();
//check if users wants to logout
if($_REQUEST['logout']==1){
unset($_SESSION['fb_token']);
}
//2.Use app id,secret and redirect url
$app_id = 'xxxxxxxxxx';
$app_secret = 'xxxxxxxxxxxxxxx';
$redirect_url='http://someurl.com/';
//3.Initialize application, create helper object and get fb sess
FacebookSession::setDefaultApplication($app_id,$app_secret);
$helper = new FacebookRedirectLoginHelper($redirect_url);
$sess = $helper->getSessionFromRedirect();
//check if facebook session exists
if(isset($_SESSION['fb_token'])){
$sess = new FacebookSession($_SESSION['fb_token']);
}
//logout
$logout = 'http://dryvr.co/fb/?logout=1';
//4. if fb sess exists echo name
if(isset($sess)){
//store the token in the php session
$_SESSION['fb_token']=$sess->getToken();
//create request object,execute and capture response
$request = new FacebookRequest($sess,'GET','/me');
// from response get graph object
$response = $request->execute();
$graph = $response->getGraphObject(GraphUser::classname());
// use graph object methods to get user details
$name = $graph->getName();
$id = $graph->getId();
$image = 'https://graph.facebook.com/'.$id.'/picture?width=300';
$email = $graph->getProperty('email');
echo "hi $name <br>";
echo "your email is $email <br><Br>";
echo "<img src='$image' /><br><br>";
echo "<a href='".$logout."'><button>Logout</button></a>";
}else{
//else echo login
echo '<a href="'.$helper->getLoginUrl(array('email')).'" >Login with facebook</a>';
}
我已经使用过$email = $graph->getProperty('email');，但是仍然无法访问该电子邮件地址，并且该电子邮件地址返回空白电子邮件.我该怎么办?有想法吗?
I have used $email = $graph->getProperty('email'); but still I can not access the email address and it is returning blank email. What should I do? Thoughts?
推荐答案
在这里查看我的答案:
您需要指定要从Graph API(从v2.4开始)返回的每个字段，例如
You need to specify each field you want returned from the Graph API starting with v2.4, e.g.
$request = new FacebookRequest($sess,'GET','/me?fields=id,name,email');
所有内容都在Facebook文档中.
It's all in the Facebook docs.
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