public function runCommand(string $host = '127.0.0.1', int $port = 8081)
    {
        $command = Scripts::buildPhpCommand($this->settings);

        $address = sprintf('%s:%s', $host, $port);
        $command .= ' -S ' . escapeshellarg($address) . ' -t ' . escapeshellarg(FLOW_PATH_WEB) . ' ' . escapeshellarg(FLOW_PATH_FLOW . '/Scripts/PhpDevelopmentServerRouter.php');

        $this->outputLine('Server running. Please go to <b>http://' . $address . '</b> to browse the application.');
        exec($command);
    }