How to get form values in Symfony2 controller

Question

I am using a login form on Symfony2 with the following controller code

public function loginAction(Request $request)
{
    $user = new SiteUser();
    $form          


        

Answer 1

If Symfony 4 or 5, juste use this code (Where name is the name of your field):

$request->request->get('name');