Using grouped constraints with Symfony 2 Forms

symfony2_forms_validation_groups.php

<?php

/* Since the group name is specified, "Default" will be assigned automatically and
 * the implicity group name "Registration" (based on containing class' name) will
 * also not be assigned.
 */
class Registration
{
    public $field;

    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
        $metadata
            ->addPropertyConstraint('field', new MinLength(array(
                'limit' => 4,
                'groups' => 'Test'
            ));
    }
}


$registration = new Registration();
$form = new RegistrationForm('registration', $registration);

// See: http://github.com/bschussek/symfony/commit/faed30dfec570ca474af7498700df9816cf985e1
$form->setValidationGroups('Test');

if ($this->getRequest()->request->has('registration')) {
    $form->bind($this->getRequest()->request->get('registration'));

    if ($form->isValid()) {
        // Do something
    }
}