Neos\Flow\Mvc\Controller\Arguments::removeAll PHP Метод

    public function removeAll()
    {
        foreach ($this->argumentNames as $argumentName => $booleanValue) {
            parent::offsetUnset($argumentName);
        }
        $this->argumentNames = [];
    }

 /**
  * Forwards the request to another action and / or controller.
  *
  * Request is directly transferred to the other action / controller
  *
  * @param string $actionName Name of the action to forward to
  * @param string $controllerName Unqualified object name of the controller to forward to. If not specified, the current controller is used.
  * @param string $packageKey Key of the package containing the controller to forward to. May also contain the sub package, concatenated with backslash (Vendor.Foo\Bar\Baz). If not specified, the current package is assumed.
  * @param array $arguments Arguments to pass to the target action
  * @return void
  * @throws ForwardException
  * @see redirect()
  * @api
  */
 protected function forward($actionName, $controllerName = null, $packageKey = null, array $arguments = [])
 {
     $nextRequest = clone $this->request;
     $nextRequest->setControllerActionName($actionName);
     if ($controllerName !== null) {
         $nextRequest->setControllerName($controllerName);
     }
     if ($packageKey !== null && strpos($packageKey, '\\') !== false) {
         list($packageKey, $subpackageKey) = explode('\\', $packageKey, 2);
     } else {
         $subpackageKey = null;
     }
     if ($packageKey !== null) {
         $nextRequest->setControllerPackageKey($packageKey);
         $nextRequest->setControllerSubpackageKey($subpackageKey);
     }
     $regularArguments = [];
     foreach ($arguments as $argumentName => $argumentValue) {
         if (substr($argumentName, 0, 2) === '__') {
             $nextRequest->setArgument($argumentName, $argumentValue);
         } else {
             $regularArguments[$argumentName] = $argumentValue;
         }
     }
     $nextRequest->setArguments($this->persistenceManager->convertObjectsToIdentityArrays($regularArguments));
     $this->arguments->removeAll();
     $forwardException = new ForwardException();
     $forwardException->setNextRequest($nextRequest);
     throw $forwardException;
 }