NegativeOrZero ============== Validates that a value is a negative number or equal to zero. If you don't want to allow zero as value, use :doc:`/reference/constraints/Negative` instead. ========== =================================================================== Applies to :ref:`property or method ` Options - `groups`_ - `message`_ - `payload`_ Class :class:`Symfony\\Component\\Validator\\Constraints\\NegativeOrZero` Validator :class:`Symfony\\Component\\Validator\\Constraints\\LesserThanOrEqualValidator` ========== =================================================================== Basic Usage ----------- The following constraint ensures that the ``level`` of a ``UnderGroundGarage`` is a negative number or equal to zero: .. configuration-block:: .. code-block:: php-annotations // src/Entity/TransferItem.php namespace App\Entity; use Symfony\Component\Validator\Constraints as Assert; class UnderGroundGarage { /** * @Assert\NegativeOrZero */ protected $level; } .. code-block:: yaml # config/validator/validation.yaml App\Entity\UnderGroundGarage: properties: level: - NegativeOrZero: ~ .. code-block:: xml .. code-block:: php // src/Entity/UnderGroundGarage.php namespace App\Entity; use Symfony\Component\Validator\Constraints as Assert; use Symfony\Component\Validator\Mapping\ClassMetadata; class UnderGroundGarage { public static function loadValidatorMetadata(ClassMetadata $metadata) { $metadata->addPropertyConstraint('level', new Assert\NegativeOrZero()); } } Available Options ----------------- .. include:: /reference/constraints/_groups-option.rst.inc message ~~~~~~~ **type**: ``string`` **default**: ``This value should be either negative or zero.`` The default message supplied when the value is not less than or equal to zero. You can use the following parameters in this message: ============================= ================================================ Parameter Description ============================= ================================================ ``{{ compared_value }}`` Always zero ``{{ compared_value_type }}`` The expected value type ``{{ value }}`` The current (invalid) value ============================= ================================================ .. include:: /reference/constraints/_payload-option.rst.inc