What is the purpose of rendering the custom module page in Magento2 using the result factory \Magento\Framework\View\Result\PageFactory class injected in the constructor and making the page to display

$resultPage = $this->resultFactory->create(ResultFactory::TYPE_PAGE);

rather than doing these below kind of display which is same like in Magento 1.x approach



2 Answers 2


Actually is not necessary to return an instance of \Magento\Framework\View\Result\Page. The execute is expected to return an instance of a class that implements the interface \Magento\Framework\Controller\ResultInterface.

\Magento\Framework\View\Result\Page is just one possible return.
Other possible returns are

  • \Magento\Framework\Controller\Result\Redirect
  • \Magento\Framework\Controller\Result\Raw
  • \Magento\Framework\View\Result\Layout
  • \Magento\Framework\Controller\Result\Forward
  • \Magento\Framework\Controller\Result\Json

and there may be others.
take a look at the method Magento\Framework\App\Action\Action::dispatch().
This should return an instance of \Magento\Framework\Controller\ResultInterface and based on the result different actions are taken, again by calling methods declared in the ResultInterface.
This dispatch method calls $result = $this->execute(); which is the execute method from the controller action. So I guess this is for consistency and to make it easier to introduce a different behavior for a controller action. You just need to add a new class that implements ResultInterface and it will all be handled by the framework.


I believe that idea was return data/models from controllers, but current implementation looks strange for me too.

Personally I expect to that controllers do not return anything, maybe just redirect to other url. To page layout need adds route on with this page will be available.

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-login">
     <route url="login"/>

JSON will available from rest api

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