Create a form in Symfony

Question

About forms, which items are true?

Accepted Answer

In a controller, the following method takes a FormTypeInterface object as its first argument.
```php
 $this->createForm();
```

Accepted Answer

After processing a form by the following method, the submitted data is accessible by the getData() method.
```php
 $form->handleRequest($request);
```

Answer

The following method is not part of the FormTypeInterface interface.
```php
setDefaultOptions(...);
```

Answer

The following event can be used to modify the submitted data.
```php
form.pre_set_data (CONST FormEvents::PRE_SET_DATA)
```

Question from the Symfony 2 test

Create a form in Symfony