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Jan 7, 2018
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update forms.rst #8981

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update forms.rst
gmoqa Jan 4, 2018
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Reword
javiereguiluz Jan 5, 2018
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6 changes: 6 additions & 0 deletions forms.rst
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Expand Up @@ -317,6 +317,12 @@ valid, but whether or not the ``$task`` object is valid after the form has
applied the submitted data to it. Calling ``$form->isValid()`` is a shortcut
that asks the ``$task`` object whether or not it has valid data.

Before using validation, add support for it in your application:

.. code-block:: terminal

$ composer require validator

Validation is done by adding a set of rules (called constraints) to a class. To
see this in action, add validation constraints so that the ``task`` field cannot
be empty and the ``dueDate`` field cannot be empty and must be a valid \DateTime
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