如何正确捕获访问令牌？
即使我退出 Facebook，我似乎也无法发现访问令牌无效。
if ($user) {
try {
// Proceed knowing you have a logged in user who's authenticated.
$user_profile = $facebook->api('/me');
echo "Name: " . $user_profile['name'];
} catch (FacebookApiException $e) {
// If the user is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
error_log($e);
$user = null;
}
}
即使我注销 Facebook，我仍然可以取回用户名。所以显然访问令牌似乎仍然有效。我该如何解决这个问题？
或者我应该只在 iframe 的 FB 环境中测试我的应用程序？
I can't seem to catch the access token as invalid even when i logged out of facebook.
if ($user) {
try {
// Proceed knowing you have a logged in user who's authenticated.
$user_profile = $facebook->api('/me');
echo "Name: " . $user_profile['name'];
} catch (FacebookApiException $e) {
// If the user is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
error_log($e);
$user = null;
}
}
I am still getting the user name back even when i am logout of facebook. So apparently the access token seems still valid. How can i fix this?
Or should i test my app only in FB enviroment in an iframe?
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访问令牌不取决于您在 Facebook 上的身份验证状态。您正在使用的 Facebook PHP SDK 将访问令牌存储在 PHP 会话中。所以，你可以清理你的会话。
The access token does not depend on yours auth status on Facebook. Facebook PHP SDK, that you are using, stores access token in PHP session. So, you can just clean your session.