} else {
            $this->redirect($route, $code);
        }
    }
 
    /**
     * Set response header.
     *
     * @param ResponseInterface|null $response
     * @return void
     */
    public function header(ResponseInterface $response = null): void
    {
        if (null === $response) {
            /** @var PageInterface $page */
            $page = $this['page'];
            $response = new Response($page->httpResponseCode(), $page->httpHeaders(), '');
        }
 
        header("HTTP/{$response->getProtocolVersion()} {$response->getStatusCode()} {$response->getReasonPhrase()}");
        foreach ($response->getHeaders() as $key => $values) {
            // Skip internal Grav headers.
            if (strpos($key, 'Grav-Internal-') === 0) {
                continue;
            }
            foreach ($values as $i => $value) {
                header($key . ': ' . $value, $i === 0);
            }
        }
    }
 
    /**
     * Set the system locale based on the language and configuration
     *
     * @return void
     */
    public function setLocale(): void
    {
        // Initialize Locale if set and configured.
        if ($this['language']->enabled() && $this['config']->get('system.languages.override_locale')) {

        // Prevent caching if session messages were displayed in the page.
        $noCache = $messages->isCleared();
        if ($noCache) {
            $response = $response->withHeader('Cache-Control', 'no-store, max-age=0');
        }
 
        // Handle ETag and If-None-Match headers.
        if ($response->getHeaderLine('ETag') === '1') {
            $etag = md5($body);
            $response = $response->withHeader('ETag', '"' . $etag . '"');
 
            $search = trim($this['request']->getHeaderLine('If-None-Match'), '"');
            if ($noCache === false && $search === $etag) {
                $response = $response->withStatus(304);
                $body = '';
            }
        }
 
        // Echo page content.
        $this->header($response);
        echo $body;
 
        $this['debugger']->render();
 
        // Response object can turn off all shutdown processing. This can be used for example to speed up AJAX responses.
        // Note that using this feature will also turn off response compression.
        if ($response->getHeaderLine('Grav-Internal-SkipShutdown') !== '1') {
            register_shutdown_function([$this, 'shutdown']);
        }
    }
 
    /**
     * Clean any output buffers. Useful when exiting from the application.
     *
     * Please use $grav->close() and $grav->redirect() instead of calling this one!
     *
     * @return void
     */
    public function cleanOutputBuffers(): void
    {

 
// Register the auto-loader.
$loader = require $autoload;
 
// Set timezone to default, falls back to system if php.ini not set
date_default_timezone_set(@date_default_timezone_get());
 
// Set internal encoding.
@ini_set('default_charset', 'UTF-8');
mb_internal_encoding('UTF-8');
 
use Grav\Common\Grav;
use RocketTheme\Toolbox\Event\Event;
 
// Get the Grav instance
$grav = Grav::instance(array('loader' => $loader));
 
// Process the page
try {
    $grav->process();
} catch (\Error|\Exception $e) {
    $grav->fireEvent('onFatalException', new Event(array('exception' => $e)));
    throw $e;
}