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copied!<p>Look at <a href="https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Validator/Constraints/EmailValidator.php#L30-L32" rel="nofollow">the source</a> of the validator: if an empty string or null is passed, it does nothing. In other words, empty values will always succeed.</p> <p>So yep, it's expected behavior though there's a ticket about changing it.</p> <pre><code><?php /** * @author Bernhard Schussek <[...]> * * @api */ class EmailValidator extends ConstraintValidator { /** * {@inheritDoc} */ public function validate($value, Constraint $constraint) { if (null === $value || '' === $value) { return; } if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) { throw new UnexpectedTypeException($value, 'string'); } $value = (string) $value; $valid = filter_var($value, FILTER_VALIDATE_EMAIL); if ($valid) { $host = substr($value, strpos($value, '@') + 1); // Check for host DNS resource records if ($valid && $constraint->checkMX) { $valid = $this->checkMX($host); } elseif ($valid && $constraint->checkHost) { $valid = $this->checkHost($host); } } if (!$valid) { $this->context->addViolation($constraint->message, array('{{ value }}' => $value)); } } // ... } </code></pre> <p>You'll need to use a combination of <code>NotBlank</code> and <code>Email</code></p> <pre><code><?php use Symfony\Component\Validator\Constraints as Assert; $emailValidator = new Assert\Email(); $emailValidator->message = 'Invalid email address'; $validator->validateValue($the_email, array( new Assert\NotBlank(), $emailValidator, )); </code></pre>

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