ized URI for the given path.
     *
     * @param string $path A path to use instead of the current one
     *
     * @return string
     */
    public function getUriForPath(string $path)
    {
        return $this->getSchemeAndHttpHost().$this->getBaseUrl().$path;
    }

    /**
     * Returns the path as relative reference from the current Request path.
     *
     * Only the URIs path component (no schema, host etc.) is relevant and must be given.
     * Both paths must be absolute and not contain relative parts.
     * Relative URLs from one resource to another are useful when generating self-contained downloadable document archives.
     * Furthermore, they can be used to reduce the link size in documents.
     *
     * Example target paths, given a base path of "/a/b/c/d":
     * - "/a/b/c/d"     -> ""
     * - "/a/b/c/"      -> "./"
     * - "/a/b/"        -> "../"
     * - "/a/b/c/other" -> "other"
     * - "/a/x/y"       -> "../../x/y"
     *
     * @return string
     */
    public function getRelativeUriForPath(string $path)
    {
        // be sure that we are dealing with an absolute path
        if (!isset($path[0]) || '/' !== $path[0]) {
            return $path;
        }

        if ($path === $basePath = $this->getPathInfo()) {
            return '';
        }

        $sourceDirs = explode('/', isset($basePath[0]) && '/' === $basePath[0] ? substr($basePath, 1) : $basePath);
        $targetDirs = explode('/', substr($path, 1));
        array_pop($sourceDirs);
        $targetFile = array_pop($targetDirs);

        foreach ($sourceDirs as $i => $dir) {
            if (isset($targetDirs[$i]) && $dir === $targetDirs[$i]) {
                unset($sourceDirs[$i], $targetDirs[$i]);
            } else {
                break;
            }
        }

        $targetDirs[] = $targetFile;
        $path = str_repeat('../', \count($sourceDirs)).implode('/', $targetDirs);

        // A reference to the same base directory or an empty subdirectory must be prefixed with "./".
        // This also applies to a segment with a colon character (e.g., "file:colon") that cannot be used
        // as the first segment of a relative-path reference, as it would be mistaken for a scheme name
        // (see https://tools.ietf.org/html/rfc3986#section-4.2).
        return !isset($path[0]) || '/' === $path[0]
            || false !== ($colonPos = strpos($path, ':')) && ($colonPos < ($slashPos = strpos($path, '/')) || false === $slashPos)
            ? "./$path" : $path;
    }

    /**
     * Generates the normalized query string for the Request.
     *
     * It builds a normalized query string, where keys/value pairs are alphabetized
     * and have consistent escaping.
     *
     * @return string|null
     */
    public function getQueryString()
    {
        $qs = static::normalizeQueryString($this->server->get('QUERY_STRING'));

        return '' === $qs ? null : $qs;
    }

    /**
     * Checks whether the request is secure or not.
     *
     * This method can read the client protocol from the "X-Forwarded-Proto" header
     * when trusted proxies were set via "setTrustedProxies()".
     *
     * The "X-Forwarded-Proto" header must contain the protocol: "https" or "http".
     *
     * @return bool
     */
    public function isSecure()
    {
        if ($this->isFromTrustedProxy() && $proto = $this->getTrustedValues(self::HEADER_X_FORWARDED_PROTO)) {
            return \in_array(strtolower($proto[0]), ['https', 'on', 'ssl', '1'], true);
        }

        $https = $this->server->get('HTTPS');

        return !empty($https) && 'off' !== strtolower($https);
    }

    /**
     * Returns the host name.
     *
     * This method can read the client host name from the "X-Forwarded-Host" header
     * when trusted proxies were set via "setTrustedProxies()".
     *
     * The "X-Forwarded-Host" header must contain the client host name.
     *
     * @return string
     *
     * @throws SuspiciousOperationException when the host name is invalid or not trusted
     */
    public function getHost()
    {
        if ($this->isFromTrustedProxy() && $host = $this->getTrustedValues(self::HEADER_X_FORWARDED_HOST)) {
            $host = $host[0];
        } elseif (!$host = $this->headers->get('HOST')) {
            if (!$host = $this->server->get('SERVER_NAME')) {
                $host = $this->server->get('SERVER_ADDR', '');
            }
        }

        // trim and remove port number from host
        // host is lowercase as per RFC 952/2181
        $host = strtolower(preg_replace('/:\d+$/', '', trim($host)));

        // as the host can come from the user (HTTP_HOST and depending on the configuration, SERVER_NAME too can come from the user)
        // check that it does not contain forbidden characters (see RFC 952 and RFC 2181)
        // use preg_replace() instead of preg_match() to prevent DoS attacks with long host names
        if ($host && '' !== preg_replace('/(?:^\[)?[a-zA-Z0-9-:\]_]+\.?/', '', $host)) {
            if (!$this->isHostValid) {
                return '';
            }
            $this->isHostValid = false;

            throw new SuspiciousOperationException(sprintf('Invalid Host "%s".', $host));
        }

        if (\count(self::$trustedHostPatterns) > 0) {
            // to avoid host header injection attacks, you should provide a list of trusted host patterns

            if (\in_array($host, self::$trustedHosts)) {
                return $host;
            }

            foreach (self::$trustedHostPatterns as $pattern) {
                if (preg_match($pattern, $host)) {
                    self::$trustedHosts[] = $host;

                    return $host;
                }
            }

            if (!$this->isHostValid) {
                return '';
            }
            $this->isHostValid = false;

            throw new SuspiciousOperationException(sprintf('Untrusted Host "%s".', $host));
        }

        return $host;
    }

    /**
     * Sets the request method.
     */
    public function setMethod(string $method)
    {
        $this->method = null;
        $this->server->set('REQUEST_METHOD', $method);
    }

    /**
     * Gets the request "intended" method.
     *
     * If the X-HTTP-Method-Override header is set, and if the method is a POST,
     * then it is used to determine the "real" intended HTTP method.
     *
     * The _method request parameter can also be used to determine the HTTP method,
     * but only if enableHttpMethodParameterOverride() has been called.
     *
     * The method is always an uppercased string.
     *
     * @return string
     *
     * @see getRealMethod()
     */
    public function getMethod()
    {
        if (null !== $this->method) {
            return $this->method;
        }

        $this->method = strtoupper($this->server->get('REQUEST_METHOD', 'GET'));

        if ('POST' !== $this->method) {
            return $this->method;
        }

        $method = $this->headers->get('X-HTTP-METHOD-OVERRIDE');

        if (!$method && self::$httpMethodParameterOverride) {
            $method = $this->request->get('_method', $this->query->get('_method', 'POST'));
        }

        if (!\is_string($method)) {
            return $this->method;
        }

        $method = strtoupper($method);

        if (\in_array($method, ['GET', 'HEAD', 'POST', 'PUT', 'DELETE', 'CONNECT', 'OPTIONS', 'PATCH', 'PURGE', 'TRACE'], true)) {
            return $this->method = $method;
        }

        if (!preg_match('/^[A-Z]++$/D', $method)) {
            throw new SuspiciousOperationException(sprintf('Invalid method override "%s".', $method));
        }

        return $this->method = $method;
    }

    /**
     * Gets the "real" request method.
     *
     * @return string
     *
     * @see getMethod()
     */
    public function getRealMethod()
    {
        return strtoupper($this->server->get('REQUEST_METHOD', 'GET'));
    }

    /**
     * Gets the mime type associated with the format.
     *
     * @return string|null
     */
    public function getMimeType(string $format)
    {
        if (null === static::$formats) {
            static::initializeFormats();
        }

        return isset(static::$formats[$format]) ? static::$formats[$format][0] : null;
    }

    /**
     * Gets the mime types associated with the format.
     *
     * @return array
     */
    public static function getMimeTypes(string $format)
    {
        if (null === static::$formats) {
            static::initializeFormats();
        }

        return static::$formats[$format] ?? [];
    }

    /**
     * Gets the format associated with the mime type.
     *
     * @return string|null
     */
    public function getFormat(?string $mimeType)
    {
        $canonicalMimeType = null;
        if ($mimeType && false !== $pos = strpos($mimeType, ';')) {
            $canonicalMimeType = trim(substr($mimeType, 0, $pos));
        }

        if (null === static::$formats) {
            static::initializeFormats();
        }

        foreach (static::$formats as $format => $mimeTypes) {
            if (\in_array($mimeType, (array) $mimeTypes)) {
                return $format;
            }
            if (null !== $canonicalMimeType && \in_array($canonicalMimeType, (array) $mimeTypes)) {
                return $format;
            }
        }

        return null;
    }

    /**
     * Associates a format with mime types.
     *
     * @param string|array $mimeTypes The associated mime types (the preferred one must be the first as it will be used as the content type)
     */
    public function setFormat(?string $format, $mimeTypes)
    {
        if (null === static::$formats) {
            static::initializeFormats();
        }

        static::$formats[$format] = \is_array($mimeTypes) ? $mimeTypes : [$mimeTypes];
    }

    /**
     * Gets the request format.
     *
     * Here is the process to determine the format:
     *
     *  * format defined by the user (with setRequestFormat())
     *  * _format request attribute
     *  * $default
     *
     * @see getPreferredFormat
     *
     * @return string|null
     */
    public function getRequestFormat(?string $default = 'html')
    {
        if (null === $this->format) {
            $this->format = $this->attributes->get('_format');
        }

        return $this->format ?? $default;
    }

    /**
     * Sets the request format.
     */
    public function setRequestFormat(?string $format)
    {
        $this->format = $format;
    }

    /**
     * Gets the format associated with the request.
     *
     * @return string|null
     */
    public function getContentType()
    {
        return $this->getFormat($this->headers->get('CONTENT_TYPE', ''));
    }

    /**
     * Sets the default locale.
     */
    public function setDefaultLocale(string $locale)
    {
        $this->defaultLocale = $locale;

        if (null === $this->locale) {
            $this->setPhpDefaultLocale($locale);
        }
    }

    /**
     * Get the default locale.
     *
     * @return string
     */
    public function getDefaultLocale()
    {
        return $this->defaultLocale;
    }

    /**
     * Sets the locale.
     */
    public function setLocale(string $locale)
    {
        $this->setPhpDefaultLocale($this->locale = $locale);
    }

    /**
     * Get the locale.
     *
     * @return string
     */
    public function getLocale()
    {
        return null === $this->locale ? $this->defaultLocale : $this->locale;
    }

    /**
     * Checks if the request method is of specified type.
     *
     * @param string $method Uppercase request method (GET, POST etc)
     *
     * @return bool
     */
    public function isMethod(string $method)
    {
        return $this->getMethod() === strtoupper($method);
    }

    /**
     * Checks whether or not the method is safe.
     *
     * @see https://tools.ietf.org/html/rfc7231#section-4.2.1
     *
     * @return bool
     */
    public function isMethodSafe()
    {
        return \in_array($this->getMethod(), ['GET', 'HEAD', 'OPTIONS', 'TRACE']);
    }

    /**
     * Checks whether or not the method is idempotent.
     *
     * @return bool
     */
    public function isMethodIdempotent()
    {
        return \in_array($this->getMethod(), ['HEAD', 'GET', 'PUT', 'DELETE', 'TRACE', 'OPTIONS', 'PURGE']);
    }

    /**
     * Checks whether the method is cacheable or not.
     *
     * @see https://tools.ietf.org/html/rfc7231#section-4.2.3
     *
     * @return bool
     */
    public function isMethodCacheable()
    {
        return \in_array($this->getMethod(), ['GET', 'HEAD']);
    }

    /**
     * Returns the protocol version.
     *
     * If the application is behind a proxy, the protocol version used in the
     * requests between the client and the proxy and between the proxy and the
     * server might be different. This returns the former (from the "Via" header)
     * if the proxy is trusted (see "setTrustedProxies()"), otherwise it returns
     * the latter (from the "SERVER_PROTOCOL" server parameter).
     *
     * @return string|null
     */
    public function getProtocolVersion()
    {
        if ($this->isFromTrustedProxy()) {
            preg_match('~^(HTTP/)?([1-9]\.[0-9]) ~', $this->headers->get('Via') ?? '', $matches);

            if ($matches) {
                return 'HTTP/'.$matches[2];
            }
        }

        return $this->server->get('SERVER_PROTOCOL');
    }

    /**
     * Returns the request body content.
     *
     * @param bool $asResource If true, a resource will be returned
     *
     * @return string|resource
     */
    public function getContent(bool $asResource = false)
    {
        $currentContentIsResource = \is_resource($this->content);

        if (true === $asResource) {
            if ($currentContentIsResource) {
                rewind($this->content);

                return $this->content;
            }

            // Content passed in parameter (test)
            if (\is_string($this->content)) {
                $resource = fopen('php://temp', 'r+');
                fwrite($resource, $this->content);
                rewind($resource);

                return $resource;
            }

            $this->content = false;

            return fopen('php://input', 'r');
        }

        if ($currentContentIsResource) {
            rewind($this->content);

            return stream_get_contents($this->content);
        }

        if (null === $this->content || false === $this->content) {
            $this->content = file_get_contents('php://input');
        }

        return $this->content;
    }

    /**
     * Gets the request body decoded as array, typically from a JSON payload.
     *
     * @throws JsonException When the body cannot be decoded to an array
     *
     * @return array
     */
    public function toArray()
    {
        if ('' === $content = $this->getContent()) {
            throw new JsonException('Request body is empty.');
        }

        try {
            $content = json_decode($content, true, 512, \JSON_BIGINT_AS_STRING | (\PHP_VERSION_ID >= 70300 ? \JSON_THROW_ON_ERROR : 0));
        } catch (\JsonException $e) {
            throw new JsonException('Could not decode request body.', $e->getCode(), $e);
        }

        if (\PHP_VERSION_ID < 70300 && \JSON_ERROR_NONE !== json_last_error()) {
            throw new JsonException('Could not decode request body: '.json_last_error_msg(), json_last_error());
        }

        if (!\is_array($content)) {
            throw new JsonException(sprintf('JSON content was expected to decode to an array, "%s" returned.', get_debug_type($content)));
        }

        return $content;
    }

    /**
     * Gets the Etags.
     *
     * @return array
     */
    public function getETags()
    {
        return preg_split('/\s*,\s*/', $this->headers->get('If-None-Match', ''), -1, \PREG_SPLIT_NO_EMPTY);
    }

    /**
     * @return bool
     */
    public function isNoCache()
    {
        return $this->headers->hasCacheControlDirective('no-cache') || 'no-cache' == $this->headers->get('Pragma');
    }

    /**
     * Gets the preferred format for the response by inspecting, in the following order:
     *   * the request format set using setRequestFormat;
     *   * the values of the Accept HTTP header.
     *
     * Note that if you use this method, you should send the "Vary: Accept" header
     * in the response to prevent any issues with intermediary HTTP caches.
     */
    public function getPreferredFormat(?string $default = 'html'): ?string
    {
        if (null !== $this->preferredFormat || null !== $this->preferredFormat = $this->getRequestFormat(null)) {
            return $this->preferredFormat;
        }

        foreach ($this->getAcceptableContentTypes() as $mimeType) {
            if ($this->preferredFormat = $this->getFormat($mimeType)) {
                return $this->preferredFormat;
            }
        }

        return $default;
    }

    /**
     * Returns the preferred language.
     *
     * @param string[] $locales An array of ordered available locales
     *
     * @return string|null
     */
    public function getPreferredLanguage(array $locales = null)
    {
        $preferredLanguages = $this->getLanguages();

        if (empty($locales)) {
            return $preferredLanguages[0] ?? null;
        }

        if (!$preferredLanguages) {
            return $locales[0];
        }

        $extendedPreferredLanguages = [];
        foreach ($preferredLanguages as $language) {
            $extendedPreferredLanguages[] = $language;
            if (false !== $position = strpos($language, '_')) {
                $superLanguage = substr($language, 0, $position);
                if (!\in_array($superLanguage, $preferredLanguages)) {
                    $extendedPreferredLanguages[] = $superLanguage;
                }
            }
        }

        $preferredLanguages = array_values(array_intersect($extendedPreferredLanguages, $locales));

        return $preferredLanguages[0] ?? $locales[0];
    }

    /**
     * Gets a list of languages acceptable by the client browser ordered in the user browser preferences.
     *
     * @return array
     */
    public function getLanguages()
    {
        if (null !== $this->languages) {
            return $this->languages;
        }

        $languages = AcceptHeader::fromString($this->headers->get('Accept-Language'))->all();
        $this->languages = [];
        foreach ($languages as $lang => $acceptHeaderItem) {
            if (str_contains($lang, '-')) {
                $codes = explode('-', $lang);
                if ('i' === $codes[0]) {
                    // Language not listed in ISO 639 that are not variants
                    // of any listed language, which can be registered with the
                    // i-prefix, such as i-cherokee
                    if (\count($codes) > 1) {
                        $lang = $codes[1];
                    }
                } else {
                    for ($i = 0, $max = \count($codes); $i < $max; ++$i) {
                        if (0 === $i) {
                            $lang = strtolower($codes[0]);
                        } else {
                            $lang .= '_'.strtoupper($codes[$i]);
                        }
                    }
                }
            }

            $this->languages[] = $lang;
        }

        return $this->languages;
    }

    /**
     * Gets a list of charsets acceptable by the client browser in preferable order.
     *
     * @return array
     */
    public function getCharsets()
    {
        if (null !== $this->charsets) {
            return $this->charsets;
        }

        return $this->charsets = array_keys(AcceptHeader::fromString($this->headers->get('Accept-Charset'))->all());
    }

    /**
     * Gets a list of encodings acceptable by the client browser in preferable order.
     *
     * @return array
     */
    public function getEncodings()
    {
        if (null !== $this->encodings) {
            return $this->encodings;
        }

        return $this->encodings = array_keys(AcceptHeader::fromString($this->headers->get('Accept-Encoding'))->all());
    }

    /**
     * Gets a list of content types acceptable by the client browser in preferable order.
     *
     * @return array
     */
    public function getAcceptableContentTypes()
    {
        if (null !== $this->acceptableContentTypes) {
            return $this->acceptableContentTypes;
        }

        return $this->acceptableContentTypes = array_keys(AcceptHeader::fromString($this->headers->get('Accept'))->all());
    }

    /**
     * Returns true if the request is an XMLHttpRequest.
     *
     * It works if your JavaScript library sets an X-Requested-With HTTP header.
     * It is known to work with common JavaScript frameworks:
     *
     * @see https://wikipedia.org/wiki/List_of_Ajax_frameworks#JavaScript
     *
     * @return bool
     */
    public function isXmlHttpRequest()
    {
        return 'XMLHttpRequest' == $this->headers->get('X-Requested-With');
    }

    /**
     * Checks whether the client browser prefers safe content or not according to RFC8674.
     *
     * @see https://tools.ietf.org/html/rfc8674
     */
    public function preferSafeContent(): bool
    {
        if (null !== $this->isSafeContentPreferred) {
            return $this->isSafeContentPreferred;
        }

        if (!$this->isSecure()) {
            // see https://tools.ietf.org/html/rfc8674#section-3
            return $this->isSafeContentPreferred = false;
        }

        return $this->isSafeContentPreferred = AcceptHeader::fromString($this->headers->get('Prefer'))->has('safe');
    }

    /*
     * The following methods are derived from code of the Zend Framework (1.10dev - 2010-01-24)
     *
     * Code subject to the new BSD license (https://framework.zend.com/license).
     *
     * Copyright (c) 2005-2010 Zend Technologies USA Inc. (https://www.zend.com/)
     */

    protected function prepareRequestUri()
    {
        $requestUri = '';

        if ('1' == $this->server->get('IIS_WasUrlRewritten') && '' != $this->server->get('UNENCODED_URL')) {
            // IIS7 with URL Rewrite: make sure we get the unencoded URL (double slash problem)
            $requestUri = $this->server->get('UNENCODED_URL');
            $this->server->remove('UNENCODED_URL');
            $this->server->remove('IIS_WasUrlRewritten');
        } elseif ($this->server->has('REQUEST_URI')) {
            $requestUri = $this->server->get('REQUEST_URI');

            if ('' !== $requestUri && '/' === $requestUri[0]) {
                // To only use path and query remove the fragment.
                if (false !== $pos = strpos($requestUri, '#')) {
                    $requestUri = substr($requestUri, 0, $pos);
                }
            } else {
                // HTTP proxy reqs setup request URI with scheme and host [and port] + the URL path,
                // only use URL path.
                $uriComponents = parse_url($requestUri);

                if (isset($uriComponents['path'])) {
                    $requestUri = $uriComponents['path'];
                }

                if (isset($uriComponents['query'])) {
                    $requestUri .= '?'.$uriComponents['query'];
                }
            }
        } elseif ($this->server->has('ORIG_PATH_INFO')) {
            // IIS 5.0, PHP as CGI
            $requestUri = $this->server->get('ORIG_PATH_INFO');
            if ('' != $this->server->get('QUERY_STRING')) {
                $requestUri .= '?'.$this->server->get('QUERY_STRING');
            }
            $this->server->remove('ORIG_PATH_INFO');
        }

        // normalize the request URI to ease creating sub-requests from this request
        $this->server->set('REQUEST_URI', $requestUri);

        return $requestUri;
    }

    /**
     * Prepares the base URL.
     *
     * @return string
     */
    protected function prepareBaseUrl()
    {
        $filename = basename($this->server->get('SCRIPT_FILENAME', ''));

        if (basename($this->server->get('SCRIPT_NAME', '')) === $filename) {
            $baseUrl = $this->server->get('SCRIPT_NAME');
        } elseif (basename($this->server->get('PHP_SELF', '')) === $filename) {
            $baseUrl = $this->server->get('PHP_SELF');
        } elseif (basename($this->server->get('ORIG_SCRIPT_NAME', '')) === $filename) {
            $baseUrl = $this->server->get('ORIG_SCRIPT_NAME'); // 1and1 shared hosting compatibility
        } else {
            // Backtrack up the script_filename to find the portion matching
            // php_self
            $path = $this->server->get('PHP_SELF', '');
            $file = $this->server->get('SCRIPT_FILENAME', '');
            $segs = explode('/', trim($file, '/'));
            $segs = array_reverse($segs);
            $index = 0;
            $last = \count($segs);
            $baseUrl = '';
            do {
                $seg = $segs[$index];
                $baseUrl = '/'.$seg.$baseUrl;
                ++$index;
            } while ($last > $index && (false !== $pos = strpos($path, $baseUrl)) && 0 != $pos);
        }

        // Does the baseUrl have anything in common with the request_uri?
        $requestUri = $this->getRequestUri();
        if ('' !== $requestUri && '/' !== $requestUri[0]) {
            $requestUri = '/'.$requestUri;
        }

        if ($baseUrl && null !== $prefix = $this->getUrlencodedPrefix($requestUri, $baseUrl)) {
            // full $baseUrl matches
            return $prefix;
        }

        if ($baseUrl && null !== $prefix = $this->getUrlencodedPrefix($requestUri, rtrim(\dirname($baseUrl), '/'.\DIRECTORY_SEPARATOR).'/')) {
            // directory portion of $baseUrl matches
            return rtrim($prefix, '/'.\DIRECTORY_SEPARATOR);
        }

        $truncatedRequestUri = $requestUri;
        if (false !== $pos = strpos($requestUri, '?')) {
            $truncatedRequestUri = substr($requestUri, 0, $pos);
        }

        $basename = basename($baseUrl ?? '');
        if (empty($basename) || !strpos(rawurldecode($truncatedRequestUri), $basename)) {
            // no match whatsoever; set it blank
            return '';
        }

        // If using mod_rewrite or ISAPI_Rewrite strip the script filename
        // out of baseUrl. $pos !== 0 makes sure it is not matching a value
        // from PATH_INFO or QUERY_STRING
        if (\strlen($requestUri) >= \strlen($baseUrl) && (false !== $pos = strpos($requestUri, $baseUrl)) && 0 !== $pos) {
            $baseUrl = substr($requestUri, 0, $pos + \strlen($baseUrl));
        }

        return rtrim($baseUrl, '/'.\DIRECTORY_SEPARATOR);
    }

    /**
     * Prepares the base path.
     *
     * @return string
     */
    protected function prepareBasePath()
    {
        $baseUrl = $this->getBaseUrl();
        if (empty($baseUrl)) {
            return '';
        }

        $filename = basename($this->server->get('SCRIPT_FILENAME'));
        if (basename($baseUrl) === $filename) {
            $basePath = \dirname($baseUrl);
        } else {
            $basePath = $baseUrl;
        }

        if ('\\' === \DIRECTORY_SEPARATOR) {
            $basePath = str_replace('\\', '/', $basePath);
        }

        return rtrim($basePath, '/');
    }

    /**
     * Prepares the path info.
     *
     * @return string
     */
    protected function preparePathInfo()
    {
        if (null === ($requestUri = $this->getRequestUri())) {
            return '/';
        }

        // Remove the query string from REQUEST_URI
        if (false !== $pos = strpos($requestUri, '?')) {
            $requestUri = substr($requestUri, 0, $pos);
        }
        if ('' !== $requestUri && '/' !== $requestUri[0]) {
            $requestUri = '/'.$requestUri;
        }

        if (null === ($baseUrl = $this->getBaseUrlReal())) {
            return $requestUri;
        }

        $pathInfo = substr($requestUri, \strlen($baseUrl));
        if (false === $pathInfo || '' === $pathInfo) {
            // If substr() returns false then PATH_INFO is set to an empty string
            return '/';
        }

        return $pathInfo;
    }

    /**
     * Initializes HTTP request formats.
     */
    protected static function initializeFormats()
    {
        static::$formats = [
            'html' => ['text/html', 'application/xhtml+xml'],
            'txt' => ['text/plain'],
            'js' => ['application/javascript', 'application/x-javascript', 'text/javascript'],
            'css' => ['text/css'],
            'json' => ['application/json', 'application/x-json'],
            'jsonld' => ['application/ld+json'],
            'xml' => ['text/xml', 'application/xml', 'application/x-xml'],
            'rdf' => ['application/rdf+xml'],
            'atom' => ['application/atom+xml'],
            'rss' => ['application/rss+xml'],
            'form' => ['application/x-www-form-urlencoded', 'multipart/form-data'],
        ];
    }

    private function setPhpDefaultLocale(string $locale): void
    {
        // if either the class Locale doesn't exist, or an exception is thrown when
        // setting the default locale, the intl module is not installed, and
        // the call can be ignored:
        try {
            if (class_exists(\Locale::class, false)) {
                \Locale::setDefault($locale);
            }
        } catch (\Exception $e) {
        }
    }

    /**
     * Returns the prefix as encoded in the string when the string starts with
     * the given prefix, null otherwise.
     */
    private function getUrlencodedPrefix(string $string, string $prefix): ?string
    {
        if (!str_starts_with(rawurldecode($string), $prefix)) {
            return null;
        }

        $len = \strlen($prefix);

        if (preg_match(sprintf('#^(%%[[:xdigit:]]{2}|.){%d}#', $len), $string, $match)) {
            return $match[0];
        }

        return null;
    }

    private static function createRequestFromFactory(array $query = [], array $request = [], array $attributes = [], array $cookies = [], array $files = [], array $server = [], $content = null): self
    {
        if (self::$requestFactory) {
            $request = (self::$requestFactory)($query, $request, $attributes, $cookies, $files, $server, $content);

            if (!$request instanceof self) {
                throw new \LogicException('The Request factory must return an instance of Symfony\Component\HttpFoundation\Request.');
            }

            return $request;
        }

        return new static($query, $request, $attributes, $cookies, $files, $server, $content);
    }

    /**
     * Indicates whether this request originated from a trusted proxy.
     *
     * This can be useful to determine whether or not to trust the
     * contents of a proxy-specific header.
     *
     * @return bool
     */
    public function isFromTrustedProxy()
    {
        return self::$trustedProxies && IpUtils::checkIp($this->server->get('REMOTE_ADDR', ''), self::$trustedProxies);
    }

    private function getTrustedValues(int $type, string $ip = null): array
    {
        $clientValues = [];
        $forwardedValues = [];

        if ((self::$trustedHeaderSet & $type) && $this->headers->has(self::TRUSTED_HEADERS[$type])) {
            foreach (explode(',', $this->headers->get(self::TRUSTED_HEADERS[$type])) as $v) {
                $clientValues[] = (self::HEADER_X_FORWARDED_PORT === $type ? '0.0.0.0:' : '').trim($v);
            }
        }

        if ((self::$trustedHeaderSet & self::HEADER_FORWARDED) && (isset(self::FORWARDED_PARAMS[$type])) && $this->headers->has(self::TRUSTED_HEADERS[self::HEADER_FORWARDED])) {
            $forwarded = $this->headers->get(self::TRUSTED_HEADERS[self::HEADER_FORWARDED]);
            $parts = HeaderUtils::split($forwarded, ',;=');
            $forwardedValues = [];
            $param = self::FORWARDED_PARAMS[$type];
            foreach ($parts as $subParts) {
                if (null === $v = HeaderUtils::combine($subParts)[$param] ?? null) {
                    continue;
                }
                if (self::HEADER_X_FORWARDED_PORT === $type) {
                    if (str_ends_with($v, ']') || false === $v = strrchr($v, ':')) {
                        $v = $this->isSecure() ? ':443' : ':80';
                    }
                    $v = '0.0.0.0'.$v;
                }
                $forwardedValues[] = $v;
            }
        }

        if (null !== $ip) {
            $clientValues = $this->normalizeAndFilterClientIps($clientValues, $ip);
            $forwardedValues = $this->normalizeAndFilterClientIps($forwardedValues, $ip);
        }

        if ($forwardedValues === $clientValues || !$clientValues) {
            return $forwardedValues;
        }

        if (!$forwardedValues) {
            return $clientValues;
        }

        if (!$this->isForwardedValid) {
            return null !== $ip ? ['0.0.0.0', $ip] : [];
        }
        $this->isForwardedValid = false;

        throw new ConflictingHeadersException(sprintf('The request has both a trusted "%s" header and a trusted "%s" header, conflicting with each other. You should either configure your proxy to remove one of them, or configure your project to distrust the offending one.', self::TRUSTED_HEADERS[self::HEADER_FORWARDED], self::TRUSTED_HEADERS[$type]));
    }

    private function normalizeAndFilterClientIps(array $clientIps, string $ip): array
    {
        if (!$clientIps) {
            return [];
        }
        $clientIps[] = $ip; // Complete the IP chain with the IP the request actually came from
        $firstTrustedIp = null;

        foreach ($clientIps as $key => $clientIp) {
            if (strpos($clientIp, '.')) {
                // Strip :port from IPv4 addresses. This is allowed in Forwarded
                // and may occur in X-Forwarded-For.
                $i = strpos($clientIp, ':');
                if ($i) {
                    $clientIps[$key] = $clientIp = substr($clientIp, 0, $i);
                }
            } elseif (str_starts_with($clientIp, '[')) {
                // Strip brackets and :port from IPv6 addresses.
                $i = strpos($clientIp, ']', 1);
                $clientIps[$key] = $clientIp = substr($clientIp, 1, $i - 1);
            }

            if (!filter_var($clientIp, \FILTER_VALIDATE_IP)) {
                unset($clientIps[$key]);

                continue;
            }

            if (IpUtils::checkIp($clientIp, self::$trustedProxies)) {
                unset($clientIps[$key]);

                // Fallback to this when the client IP falls into the range of trusted proxies
                if (null === $firstTrustedIp) {
                    $firstTrustedIp = $clientIp;
                }
            }
        }

        // Now the IP chain contains only untrusted proxies and the client IP
        return $clientIps ? array_reverse($clientIps) : [$firstTrustedIp];
    }
}