form handling: "bind" is deprecated in symfony 2.3 - "submit" doesn't work either

Question

In symfony 2.3 binding a Request to a form with bind() is deprecated:

$form->bind($this->getRequest());

Now I tried using the submit() method instead (as described in the documentation):

$form->submit($request->request->get($form->getName()));

...but it doesn't work.

The form did not change the object that I added to it upon creation.

Solution

Passing the Request directly to submit() still works, but is deprecated and will be removed in Symfony 3.0. You should use the method handleRequest() instead.

( documentation )