fetchGlobal example

switch ($protocol) {
            case 'REQUEST_URI':
                $this->path = $this->parseRequestURI();
                break;

            case 'QUERY_STRING':
                $this->path = $this->parseQueryString();
                break;

            case 'PATH_INFO':
            default:
                $this->path = $this->fetchGlobal('server', $protocol) ?? $this->parseRequestURI();
                break;
        }

        return $this->path;
    }

    /** * Will parse the REQUEST_URI and automatically detect the URI from it, * fixing the query string if necessary. * * @return string The URI it found. * * @deprecated 4.4.0 Moved to SiteURIFactory. */

protected function populateGlobals(string $method, Request $request, ?array $params = null)
    {
        // $params should set the query vars if present,         // otherwise set it from the URL.         $get = (! empty($params) && $method === 'get')
            ? $params
            : $this->getPrivateProperty($request->getUri(), 'query');

        $request->setGlobal('get', $get);

        if ($method === 'get') {
            $request->setGlobal('request', $request->fetchGlobal('get'));
        }

        if ($method === 'post') {
            $request->setGlobal($method, $params);
            $request->setGlobal(
                'request',
                $request->fetchGlobal('post') + $request->fetchGlobal('get')
            );
        }

        $_SESSION = $this->session ?? [];

        

/** * Fetch an item from the $_SERVER array. * * @param array|string|null $index Index for item to be fetched from $_SERVER * @param int|null $filter A filter name to be applied * @param array|int|null $flags * * @return mixed */
    public function getServer($index = null, $filter = null, $flags = null)
    {
        return $this->fetchGlobal('server', $index, $filter, $flags);
    }

    /** * Fetch an item from the $_ENV array. * * @param array|string|null $index Index for item to be fetched from $_ENV * @param int|null $filter A filter name to be applied * @param array|int|null $flags * * @return mixed */
    

    protected function setRequestBody($request, ?array $params = null)
    {
        if (isset($this->requestBody) && $this->requestBody !== '') {
            $request->setBody($this->requestBody);

            return $request;
        }

        if (isset($this->bodyFormat) && $this->bodyFormat !== '') {
            if (empty($params)) {
                $params = $request->fetchGlobal('request');
            }
            $formatMime = '';
            if ($this->bodyFormat === 'json') {
                $formatMime = 'application/json';
            } elseif ($this->bodyFormat === 'xml') {
                $formatMime = 'application/xml';
            }
            if (! empty($formatMime) && ! empty($params)) {
                $formatted = Services::format()->getFormatter($formatMime)->format($params);
                $request->setBody($formatted);
                $request->setHeader('Content-Type', $formatMime);
            }