login.php
if(!session_id()) {
session_start();
}
require_once __DIR__ . '/vendor/autoload.php';
$facebook_appId = '123';
$facebook_appSecret = '123';
$fb = new Facebook\Facebook([
'app_id' => $facebook_appId,
'app_secret' => $facebook_appSecret,
'default_graph_version' => 'v2.11',
]);
$helper = $fb->getRedirectLoginHelper();
$permissions = ['email']; // Optional permissions
$loginUrl = $helper->getLoginUrl('http://www.123.com/login-callback.php', $permissions);
echo '<a href="' . htmlspecialchars($loginUrl) . '">Login via Facebook!</a>';
login-callback.php
if(!session_id()) {
session_start();
}
require_once __DIR__ . '/vendor/autoload.php';
$facebook_appId = '123';
$facebook_appSecret = '123';
$fb = new \Facebook\Facebook([
'app_id' => $facebook_appId,
'app_secret' => $facebook_appSecret,
'default_graph_version' => 'v2.11',
]);
// Use one of the helper classes to get a Facebook\Authentication\AccessToken entity.
// $helper = $fb->getRedirectLoginHelper();
// $helper = $fb->getJavaScriptHelper();
// $helper = $fb->getCanvasHelper();
// $helper = $fb->getPageTabHelper();
try {
// Get the \Facebook\GraphNodes\GraphUser object for the current user.
// If you provided a 'default_access_token', the '{access-token}' is optional.
$helper = $fb->getRedirectLoginHelper();
$accessToken = $helper->getAccessToken();
$response = $fb->get('/me?fields=id,name', $accessToken );
// $response = $fb->get('/me', $accessToken );
}
catch(\Facebook\Exceptions\FacebookResponseException $e) {
// When Graph returns an error
echo 'Graph returned an error: ' . $e->getMessage();
exit;
}
catch(\Facebook\Exceptions\FacebookSDKException $e) {
// When validation fails or other local issues
echo 'Facebook SDK returned an error: ' . $e->getMessage();
exit;
}
$me = $response->getGraphUser();
echo 'Logged in as ' . $me->getName();
上面是我两php文件的代码,当我点击login.php输出的链接后跳转到第二个php里,就报错误
【Graph returned an error: 无法加载网址: 这个 URL 的域名未包含应用的域名。为了能够加载 URL,请在应用设置的应用域名字段添加应用的所有域和子域。】
我已经在facebook开发者平台添加了这个域名,我也仔细检查了url也没发现不一样的地方,不知道为什么还报这个错误,麻烦弄过facebook登录的朋友帮我看看。
我联系上facebook官方客服了,他们让我把php sdk升级到5.6.2这个版本,这个问题就解决了,之前我的版本是5.6.1