phpbb\install\console\command\update\update::register_configuration PHP Method

    private function register_configuration(cli_iohandler $iohandler, $config)
    {
        $iohandler->set_input('update_type', $config['type']);
        $iohandler->set_input('submit_update', 'submit');
        $iohandler->set_input('compression_method', '.tar');
        $iohandler->set_input('method', 'direct_file');
        $iohandler->set_input('submit_update_file', 'submit');
        $iohandler->set_input('submit_continue_file_update', 'submit');
        $iohandler->set_input('update-extensions', $config['extensions']);
    }