FormType.php

<?php

namespace WhiteOctober\FormBuilderBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilder;

class FormType extends AbstractType
{
    public function buildForm(FormBuilder $builder, array $options)
    {
        $builder
            ->add('name')
            ->add('shortUrl')
            ->add('welcomeText', 'textarea')
            ->add('selfRegistration')
        ;
    }

    public function getDefaultOptions(array $options)
    {
        return array(
            'virtual' => false,
            // Errors in forms bubble by default, so that form errors will
            // end up as global errors in the root form
            'error_bubbling' => true
        );
    }

    public function getIdentifier()
    {
        return 'wofb_form';
    }
}