symfony/symfony-docs — pull request #4615 by DRvanR (2014-12-09 10:51:36+00:00)
Title: Update NotBlank to reflect the actual validation

| Q | A
| ------------- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | all
| Fixed tickets | n/a

As can be seen in the [validator][1] class values that are false also lead to a violation. This was not documented, which we discovered when using this constraint :wink:

[1]: https://github.com/symfony/symfony/blob/2.7/src/Symfony/Component/Validator/Constraints/NotBlankValidator.php#L34