Repository: symfony/symfony
File: src/Symfony/Component/Routing/RequestContext.php (PHP)

Code before:
class RequestContext
{
    private string $baseUrl;
    private string $pathInfo;
    private string $method;
    private string $host;
    private string $scheme;
    private int $httpPort;
    private int $httpsPort;
    private string $queryString;
    private array $parameters = [];

    public function __construct(string $baseUrl = '', string $method = 'GET', string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443, string $path = '/', string $queryString = '', array $parameters = [])
    {
        $this->setBaseUrl($baseUrl);
        $this->setMethod($method);
        $this->setHost($host);
        $this->setScheme($scheme);
        $this->setHttpPort($httpPort);
        $this->setHttpsPort($httpsPort);
        $this->setPathInfo($path);
        $this->setQueryString($queryString);

        if ($parameters) {
            $this->parameters = $parameters;
        }
    }

    public static function fromUri(string $uri, string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443): self
    {
        if (false !== ($i = strpos($uri, '\\')) && $i < strcspn($uri, '?#')) {
            $uri = '';
        }
        if ('' !== $uri && (\ord($uri[0]) <= 32 || \ord($uri[-1]) <= 32 || \strlen($uri) !== strcspn($uri, "\r\n\t"))) {
            $uri = '';
        }

        $uri = parse_url($uri);
        $scheme = $uri['scheme'] ?? $scheme;
        $host = $uri['host'] ?? $host;

        if (isset($uri['port'])) {
            if ('http' === $scheme) {
                $httpPort = $uri['port'];
            } elseif ('https' === $scheme) {
                $httpsPort = $uri['port'];
            }
        }

        return new self($uri['path'] ?? '', 'GET', $host, $scheme, $httpPort, $httpsPort);
    }

Review comment (suggestion):
```suggestion
        $this->parameters = $parameters ?? $this->parameters;
```

Code after:
class RequestContext
{
    private string $baseUrl;
    private string $pathInfo;
    private string $method;
    private string $host;
    private string $scheme;
    private int $httpPort;
    private int $httpsPort;
    private string $queryString;
    private array $parameters = [];

    public function __construct(string $baseUrl = '', string $method = 'GET', string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443, string $path = '/', string $queryString = '', ?array $parameters = null)
    {
        $this->setBaseUrl($baseUrl);
        $this->setMethod($method);
        $this->setHost($host);
        $this->setScheme($scheme);
        $this->setHttpPort($httpPort);
        $this->setHttpsPort($httpsPort);
        $this->setPathInfo($path);
        $this->setQueryString($queryString);
        $this->parameters = $parameters ?? $this->parameters;
    }

    public static function fromUri(string $uri, string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443): self
    {
        if (false !== ($i = strpos($uri, '\\')) && $i < strcspn($uri, '?#')) {
            $uri = '';
        }
        if ('' !== $uri && (\ord($uri[0]) <= 32 || \ord($uri[-1]) <= 32 || \strlen($uri) !== strcspn($uri, "\r\n\t"))) {
            $uri = '';
        }

        $uri = parse_url($uri);
        $scheme = $uri['scheme'] ?? $scheme;
        $host = $uri['host'] ?? $host;

        if (isset($uri['port'])) {
            if ('http' === $scheme) {
                $httpPort = $uri['port'];
            } elseif ('https' === $scheme) {
                $httpsPort = $uri['port'];
            }
        }

        return new self($uri['path'] ?? '', 'GET', $host, $scheme, $httpPort, $httpsPort);
    }

    /**
     * Updates the RequestContext information based on a HttpFoundation Request.