Nette\Http\IResponse::setCode PHP Метод

    function setCode($code);

 /**
  * Sends chunked response to output.
  *
  * @param \MouseOver\Storage\IStorageFile $storageFile  Storage file
  * @param \Nette\Http\IRequest            $httpRequest  HTTP request
  * @param \Nette\Http\IResponse           $httpResponse HTTP response
  *
  * @return void
  */
 protected function sendStorageFile($storageFile, Nette\Http\IRequest $httpRequest, Nette\Http\IResponse $httpResponse)
 {
     $httpResponse->setHeader('Accept-Ranges', 'bytes');
     $reader = $storageFile->getReader();
     if (preg_match('#^bytes=(\\d*)-(\\d*)\\z#', $httpRequest->getHeader('Range'), $matches)) {
         list(, $start, $end) = $matches;
         if ($start === '') {
             $start = null;
         }
         if ($end === '') {
             $end = null;
         }
         try {
             $reader->setRange($start, $end);
         } catch (\InvalidArgumentException $invalidArgumentException) {
             $httpResponse->setCode(416);
             // requested range not satisfiable
             return;
         }
         $httpResponse->setCode(206);
         $httpResponse->setHeader('Content-Range', 'bytes ' . $reader->getRangeStart() . '-' . $reader->getRangeEnd() . '/' . $reader->getFileSize());
         $reader->setRange($start, $end);
         $httpResponse->setHeader('Content-Length', $reader->getLength());
     } else {
         $httpResponse->setHeader('Content-Range', 'bytes 0-' . ($reader->getFileSize() - 1) . '/' . $reader->getFileSize());
         $httpResponse->setHeader('Content-Length', $reader->getLength());
     }
     while ($reader->hasContent()) {
         echo $reader->read();
     }
 }