表格验证 - 组OR条件

I have form with three element - name, login and email. In validation.yml I have:

Mark\UserBundle\Entity\User:
    properties:
        name:
            - NotBlank: ~
        login:
            - NotBlank: ~
        email:
            - Email: ~
            - NotBlank: ~

It works, this makes name and login required. Instead, I need name or login required. email remains always required.

In Symfony 1.4 I can use sfValidatorOr. How can I make it in Symfony 2?

I think you should solve this by using the Callback constraint instead:

// ...
use Symfony\Component\Validator\ExecutionContextInterface;

class User
{
    // ...

    public function hasCorrectCreditials(ExecutionContextInterface $context)
    {
        $isBlank = function ($val) {
            return null === $this->name || '' === $this->name;
        };

        if ($isBlank($this->name)) {
            if ($isBlank($this->login)) {
                $context->addViolationAdd('login', 'Either name or login should not be blank');
            }
        }
    }
}

Mark\UserBundle\Entity\User:
    constraints:
        - Callback: { methods: [hasCorrectCreditials] }
    properties:
        email:
            - Email: ~
            - NotBlank: ~