IdenticalTo =========== Validates that a value is identical to another value, defined in the options. To force that a value is *not* identical, see :doc:`/reference/constraints/NotIdenticalTo`. .. caution:: This constraint compares using ``===``, so ``3`` and ``"3"`` are *not* considered equal. Use :doc:`/reference/constraints/EqualTo` to compare with ``==``. ========== =================================================================== Applies to :ref:`property or method ` Options - `groups`_ - `message`_ - `payload`_ - `propertyPath`_ - `value`_ Class :class:`Symfony\\Component\\Validator\\Constraints\\IdenticalTo` Validator :class:`Symfony\\Component\\Validator\\Constraints\\IdenticalToValidator` ========== =================================================================== Basic Usage ----------- The following constraints ensure that: * ``firstName`` of ``Person`` class is equal to ``Mary`` *and* is a string * ``age`` is equal to ``20`` *and* is of type integer .. configuration-block:: .. code-block:: php-annotations // src/Entity/Person.php namespace App\Entity; use Symfony\Component\Validator\Constraints as Assert; class Person { /** * @Assert\IdenticalTo("Mary") */ protected $firstName; /** * @Assert\IdenticalTo( * value = 20 * ) */ protected $age; } .. code-block:: yaml # config/validator/validation.yaml App\Entity\Person: properties: firstName: - IdenticalTo: Mary age: - IdenticalTo: value: 20 .. code-block:: xml Mary .. code-block:: php // src/Entity/Person.php namespace App\Entity; use Symfony\Component\Validator\Constraints as Assert; use Symfony\Component\Validator\Mapping\ClassMetadata; class Person { public static function loadValidatorMetadata(ClassMetadata $metadata) { $metadata->addPropertyConstraint('firstName', new Assert\IdenticalTo('Mary')); $metadata->addPropertyConstraint('age', new Assert\IdenticalTo([ 'value' => 20, ])); } } Options ------- .. include:: /reference/constraints/_groups-option.rst.inc ``message`` ~~~~~~~~~~~ **type**: ``string`` **default**: ``This value should be identical to {{ compared_value_type }} {{ compared_value }}.`` This is the message that will be shown if the value is not identical. You can use the following parameters in this message: ============================= ================================================ Parameter Description ============================= ================================================ ``{{ compared_value }}`` The expected value ``{{ compared_value_type }}`` The expected value type ``{{ value }}`` The current (invalid) value ============================= ================================================ .. include:: /reference/constraints/_payload-option.rst.inc .. include:: /reference/constraints/_comparison-propertypath-option.rst.inc .. include:: /reference/constraints/_comparison-value-option.rst.inc