src/Control/Middleware/HTTPCacheControlMiddleware.php
protected function augmentState(HTTPRequest $request, HTTPResponse $response)
    {
        // Errors disable cache (unless some errors are cached intentionally by usercode)
        if ($response->isError() || $response->isRedirect()) {
            // Even if publicCache(true) is specified, errors will be uncacheable
            $this->disableCache(true);
        } elseif ($request->getSession()->getAll()) {
            // If sessions exist we assume that the responses should not be cached by CDNs / proxies as we are
            // likely to be supplying information relevant to the current user only

            // Don't force in case user code chooses to opt in to public caching
            $this->privateCache();
        }
    }
protected function augmentState(HTTPRequest $request, HTTPResponse $response)
    {
        // Errors disable cache (unless some errors are cached intentionally by usercode)
        if ($response->isError() || $response->isRedirect()) {
            // Even if publicCache(true) is specified, errors will be uncacheable
            $this->disableCache(true);
        } elseif ($request->getSession()->getAll()) {
            // If sessions exist we assume that the responses should not be cached by CDNs / proxies as we are
            // likely to be supplying information relevant to the current user only

            // Don't force in case user code chooses to opt in to public caching
            $this->privateCache();
        }
    }
protected function augmentState ( HTTPRequest $ request , HTTPResponse $ response ) { // Errors disable cache (unless some errors are cached intentionally by usercode) if ( $ response -> isError ( ) || $ response -> isRedirect ( ) ) { // Even if publicCache(true) is specified, errors will be uncacheable $ this -> disableCache ( true ) ; } elseif ( $ request -> getSession ( ) -> getAll ( ) ) { // If sessions exist we assume that the responses should not be cached by CDNs / proxies as we are // likely to be supplying information relevant to the current user only // Don't force in case user code chooses to opt in to public caching $ this -> privateCache ( ) ; } }
Update state based on current request and response objects

@param HTTPRequest $request
@param HTTPResponse $response
Update state based on current request and response objects