chamilo / chamilo-lms

    $resultAnonymous = Database::query($sql);

    $rowAnonymous = Database::fetch_array($resultAnonymous, 'ASSOC');

    // If is anonymous and is not allowed to take the survey to anonymous users, forbid access:

    if (!isset($rowAnonymous['anonymous']) ||

        ($rowAnonymous['anonymous'] == 0 && api_is_anonymous()) ||

        count($rowAnonymous) == 0

    ) {

        api_not_allowed(true);

    }

    // If is anonymous and it is allowed to take the survey as anonymous, mark survey as anonymous.

}

function api_block_anonymous_users($printHeaders = true)

{

    $user = api_get_user_info();

    if (!(isset($user['user_id']) && $user['user_id']) || api_is_anonymous($user['user_id'], true)) {

        api_not_allowed($printHeaders);

        return false;

    }

    return true;

}