Phly\Http\ServerRequestFactory::marshalUriFromServer PHP Method

    public static function marshalUriFromServer(array $server, array $headers)
    {
        $uri = new Uri('');
        // URI scheme
        $scheme = 'http';
        $https = self::get('HTTPS', $server);
        if ($https && 'off' !== $https || self::getHeader('x-forwarded-proto', $headers, false) === 'https') {
            $scheme = 'https';
        }
        if (!empty($scheme)) {
            $uri = $uri->withScheme($scheme);
        }
        // Set the host
        $accumulator = (object) ['host' => '', 'port' => null];
        self::marshalHostAndPortFromHeaders($accumulator, $server, $headers);
        $host = $accumulator->host;
        $port = $accumulator->port;
        if (!empty($host)) {
            $uri = $uri->withHost($host);
            if (!empty($port)) {
                $uri = $uri->withPort($port);
            }
        }
        // URI path
        $path = self::marshalRequestUri($server);
        $path = self::stripQueryString($path);
        // URI query
        $query = '';
        if (isset($server['QUERY_STRING'])) {
            $query = ltrim($server['QUERY_STRING'], '?');
        }
        return $uri->withPath($path)->withQuery($query);
    }