shutdown() public méthode

This method should be called by a request handler after a successful run. Control is returned to the request handler which can exit the application as it sees fit.
public shutdown ( string $runlevel ) : void
$runlevel string one of the RUNLEVEL_* constants
Résultat void
 /**
  * Creates an event loop which takes orders from the parent process and executes
  * them in runtime mode.
  *
  * @return void
  */
 public function handleRequest()
 {
     $sequence = $this->bootstrap->buildRuntimeSequence();
     $sequence->invoke($this->bootstrap);
     $objectManager = $this->bootstrap->getObjectManager();
     $systemLogger = $objectManager->get(SystemLoggerInterface::class);
     $systemLogger->log('Running sub process loop.', LOG_DEBUG);
     echo "\nREADY\n";
     try {
         while (true) {
             $commandLine = trim(fgets(STDIN));
             $trimmedCommandLine = trim($commandLine);
             $systemLogger->log(sprintf('Received command "%s".', $trimmedCommandLine), LOG_INFO);
             if ($commandLine === "QUIT\n") {
                 break;
             }
             /** @var Request $request */
             $request = $objectManager->get(RequestBuilder::class)->build($trimmedCommandLine);
             $response = new Response();
             if ($this->bootstrap->isCompiletimeCommand($request->getCommand()->getCommandIdentifier())) {
                 echo "This command must be executed during compiletime.\n";
             } else {
                 $objectManager->get(Dispatcher::class)->dispatch($request, $response);
                 $response->send();
                 $this->emitDispatchedCommandLineSlaveRequest();
             }
             echo "\nREADY\n";
         }
         $systemLogger->log('Exiting sub process loop.', LOG_DEBUG);
         $this->bootstrap->shutdown(Bootstrap::RUNLEVEL_RUNTIME);
         exit($response->getExitCode());
     } catch (\Exception $exception) {
         $this->handleException($exception);
     }
 }
 /**
  * Starts the shutdown sequence
  *
  * @param string $runlevel one of the Bootstrap::RUNLEVEL_* constants
  * @return void
  */
 protected function shutdown($runlevel)
 {
     $this->bootstrap->shutdown($runlevel);
     if ($runlevel === Bootstrap::RUNLEVEL_COMPILETIME) {
         $this->objectManager->get(LockManager::class)->unlockSite();
     }
     exit($this->response->getExitCode());
 }
 /**
  * Handles a HTTP request
  *
  * @return void
  */
 public function handleRequest()
 {
     // Create the request very early so the ResourceManagement has a chance to grab it:
     $request = Request::createFromEnvironment();
     $response = new Response();
     $this->componentContext = new ComponentContext($request, $response);
     $this->boot();
     $this->resolveDependencies();
     $this->addPoweredByHeader($response);
     if (isset($this->settings['http']['baseUri'])) {
         $request->setBaseUri(new Uri($this->settings['http']['baseUri']));
     }
     $this->baseComponentChain->handle($this->componentContext);
     $response = $this->baseComponentChain->getResponse();
     $response->send();
     $this->bootstrap->shutdown(Bootstrap::RUNLEVEL_RUNTIME);
     $this->exit->__invoke();
 }