--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default/assets/vendors/theme-widgets/vendor/mute/facebook/example/handle-expired-access-tokens.php	Sat May 31 09:21:51 2025 +0800
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * Handle expired access tokens
+ *
+ * @author Xavier Barbosa
+ * @since 13 February, 2013
+ * @link https://developers.facebook.com/blog/post/2011/05/13/how-to--handle-expired-access-tokens/
+ **/
+
+use Mute\Facebook\App;
+use Mute\Facebook\Exception\GraphAPIException;
+
+/**
+ * Default params
+ **/
+
+$app_id = 'YOUR_APP_ID';
+$app_secret = 'YOUR_APP_SECRET';
+$my_url = 'YOUR_POST_LOGIN_URL';
+
+/**
+ * The process
+ **/
+
+$app = new App($app_id, $app_secret);
+
+// known valid access token stored in a database
+$access_token = "YOUR_STORED_ACCESS_TOKEN";
+
+$code = $_REQUEST["code"];
+
+// If we get a code, it means that we have re-authed the user and can get a valid access_token.
+if ($code) {
+    $params = $app->getOAuth()->getAccessToken($code);
+    $access_token = $params['access_token'];
+}
+
+try {
+    // Attempt to query the graph:
+    $decoded_response = $app->get('me', array(
+        'access_token' => $access_token,
+    ));
+
+    // success
+    echo "success" . $decoded_response['name'];
+    echo $access_token;
+} catch (GraphAPIException $e) {
+    if ($e->getType() == "GraphAPIException") {
+        // Retrieving a valid access token.
+        $dialog_url = $app->getOAuth()->getCodeURL($my_url);
+
+        echo "<script> top.location.href=" . json_encode($dialog_url) . "</script>";
+
+    }
+    else {
+        echo "other error has happened";
+    }
+}
+