--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default/assets/vendors/theme-widgets/vendor/mute/facebook/example/handling-revoked-permissions.php	Sat May 31 09:21:51 2025 +0800
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * The Permissions that are requested from a User by an App may not be fully
+ * granted, or may not remain constant - a user can choose to not grant some
+ * Permissions and can revoke these Permissions afterwards through their
+ * Facebook account settings. In order to provide a positive user experience,
+ * Apps should be built to handle these situations.
+ *
+ * @author Xavier Barbosa
+ * @since 13 February, 2013
+ * @link https://developers.facebook.com/docs/howtos/login/handling-revoked-permissions/
+ **/
+
+use Mute\Facebook\App;
+use Mute\Facebook\Exception\GraphAPIException;
+
+/**
+ * Default params
+ **/
+
+$app_id = "YOUR_APP_ID";
+$app_secret = "YOUR_APP_SECRET";
+$access_token = 'USER_ACCESS_TOKEN';
+$user_id = 'USER_ID';
+
+/**
+ * Step 1. Detecting Granted Permissions
+ **/
+
+$app = new App($app_id, $app_secret);
+$permissions = $app->get($user_id . '/permissions', array(
+    'access_token' => $access_token,
+));
+
+var_dump($permissions);
+
+/**
+ * Step 2. Failing Gracefully When Encountering Missing Permissions
+ **/
+
+try {
+    $app->post('me/socialhiking:hike', array(
+        'access_token' => $access_token,
+        'hike' => 'http://samples.ogp.me/338293766265387',
+    ));
+} catch (GraphAPIException $e) {
+    var_dump($e->getData);
+}