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[Form] Ability to clear form errors #9916

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javiereguiluz merged 3 commits into from
Jun 25, 2018
Merged

[Form] Ability to clear form errors #9916

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[Form] Ability to clear form errors
colinodell Jun 11, 2018
7a4465d
Clarify that clearing errors makes the form valid
colinodell Jun 18, 2018
f07f536
Wrap long lines and add the versionadded directive
javiereguiluz Jun 25, 2018
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15 changes: 15 additions & 0 deletions components/form.rst
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Expand Up @@ -744,6 +744,21 @@ method to access the list of errors. It returns a
// a FormErrorIterator instance representing the form tree structure
$errors = $form->getErrors(true, false);

Clearing Form Errors
~~~~~~~~~~~~~~~~~~~~

.. versionadded:: 4.2
The ``clearErrors()`` method was introduced in Symfony 4.2.

Any errors can be manually cleared using the
:method:`Symfony\\Component\\Form\\ClearableErrorsInterface::clearErrors`
method. This is useful when you'd like to validate the form without showing
validation errors to the user (i.e. during a partial AJAX submission or
:doc:`dynamic form modification </form/dynamic_form_modification>`).

Because clearing the errors makes the form valid, ``clearErrors()`` should only
be called after testing whether the form is valid.

Learn more
----------

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