NotNull¶
Validates that a value is not strictly equal to null
. To ensure that
a value is simply not blank (not a blank string), see the NotBlank
constraint.
Applies to | property or method |
Options | |
Class | Symfony\Component\Validator\Constraints\NotNull |
Validator | Symfony\Component\Validator\Constraints\NotNullValidator |
Basic Usage¶
If you wanted to ensure that the firstName
property of an Author
class
were not strictly equal to null
, you would:
- YAML
properties: firstName: - NotNull: ~
- Annotations
// src/Acme/BlogBundle/Entity/Author.php use Symfony\Component\Validator\Constraints as Assert; class Author { /** * @Assert\NotNull() */ protected $firstName; }