array getOptions() Returns all options passed during the construction of the form.

static int|string toArrayKey(mixed $choice) Casts the given choice to an array key

static array getSubscribedEvents() Returns an array of event names this subscriber

buildForm(FormBuilderInterface $builder,

static array getSubscribedEvents() Returns an array of event names this subscriber

buildForm(FormBuilderInterface $builder,

bool getRequired() Returns whether the form is required.

static array getSubscribedEvents() Returns an array of event names this subscriber

class CheckboxType extends AbstractType

interface FormInterface implements ArrayAccess,