For example, I have a password reminder form. How add annotation for email existence in database validation, for example @Assert\Exists.
class PasswordRemindRequest
{
/**
* @Assert\NotBlank
* @Assert\Email
*/
private $email;
public function setEmail($email)
{
$this->email = $email;
return $this;
}
public function getEmail()
{
return $this->$email;
}
}