I have find more answer about this, but return error "The option "prova" does not exist "
I make this
in defaultcontroller.php
$form = $this->createForm(new ProvinciaType(), $provincia, array('prova' => 'ciao'));
in ProvinciaType.php
public function buildForm(FormBuilder $builder, array $options)
{
$builder->add('name', 'entity', array(
'class' => 'AcmeIndexBundle:Provincia',
'query_builder' => function(EntityRepository $er) {
return $er->createQueryBuilder('u')
->orderBy('u.name', 'ASC');
},'empty_value' => $options['prova']
));
}
but not work why?