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

private function getFormDataArray($form)
{
    $data = [];
    foreach ( $form as $key => $value) {
        $data[$key] = $value->getData();
    }
    return $data;
}