if (isset($activity['cc']) == true) {
            if (is_array($activity['cc']) && in_array('https://www.w3.org/ns/activitystreams#Public', $activity['cc'])) {
                $scope = 'unlisted';
            }
            if (is_string($activity['cc']) && $activity['cc'] == 'https://www.w3.org/ns/activitystreams#Public') {