FacebookApiException Object
(
    [result:protected] => Array
        (
            [error] => Array
                (
                    [message] => An active access token must be used to query information about the current user.
                    [type] => OAuthException
                    [code] => 2500
                )

        )

    [message:protected] => An active access token must be used to query information about the current user.
    [string:Exception:private] =>
    [code:protected] => 0
    [file:protected] => /***/fb/base_facebook.php
    [line:protected] => 1133
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /***/fb/base_facebook.php
                    [line] => 813
                    [function] => throwAPIException
                    [class] => BaseFacebook
                    [type] => ->
                    [args] => Array
                        (
                            [0] => Array
                                (
                                    [error] => Array
                                        (
                                            [message] => An active access token must be used to query information about the current user.
                                            [type] => OAuthException
                                            [code] => 2500
                                        )

                                )

                        )

                )

            [1] => Array
                (
                    [function] => _graph
                    [class] => BaseFacebook
                    [type] => ->
                    [args] => Array
                        (
                            [0] => /me
                        )

                )

            [2] => Array
                (
                    [file] => /***/fb/base_facebook.php
                    [line] => 587
                    [function] => call_user_func_array
                    [args] => Array
                        (
                            [0] => Array
                                (
                                    [0] => Facebook Object
                                        (
                                            [appId:protected] => ****
                                            [appSecret:protected] => ****
                                            [user:protected] =>
                                            [signedRequest:protected] =>
                                            [state:protected] => ****
                                            [accessToken:protected] =>
                                            [fileUploadSupport:protected] =>
                                        )

                                    [1] => _graph
                                )

                            [1] => Array
                                (
                                    [0] => /me
                                )

                        )

                )

            [3] => Array
                (
                    [file] => ****/test.php
                    [line] => 22
                    [function] => api
                    [class] => BaseFacebook
                    [type] => ->
                    [args] => Array
                        (
                            [0] => /me
                        )

                )

        )

    [previous:Exception:private] =>
)