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	message
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;
  }
  

Options

message

type: string default: This value should not be null

This is the message that will be shown if the value is null.