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[Validator] Add the fields option to the Unique constraint #15592

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[Validator] Add the fields option to the Unique constraint #15592

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17 changes: 16 additions & 1 deletion reference/constraints/Unique.rst
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Expand Up @@ -20,7 +20,8 @@ If you want to apply any other comparison logic, use the `normalizer`_ option.

========== ===================================================================
Applies to :ref:`property or method <validation-property-target>`
Options - `groups`_
Options - `fields`_
- `groups`_
- `message`_
- `normalizer`_
- `payload`_
Expand Down Expand Up @@ -107,6 +108,20 @@ strings:
Options
-------

``fields``
~~~~~~~~~~

**type**: ``array`` [:ref:`default option <validation-default-option>`]


.. versionadded:: 5.4

The ``fields`` option was introduced in Symfony 5.4.

This is optional and is an array defining all of the
keys in the collection that should be checked for uniqueness.
By default, all collection keys are checked for uniqueness.

.. include:: /reference/constraints/_groups-option.rst.inc

``message``
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