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[FrameworkBundle] add support for prioritizing form type extension tags #6958

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[FrameworkBundle] add support for prioritizing form type extension tags #6958

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[FrameworkBundle] add support for prioritizing form type extension tags
dmaicher Sep 9, 2016
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dmaicher Sep 10, 2016
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8 changes: 8 additions & 0 deletions form/create_form_type_extension.rst
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Expand Up @@ -128,6 +128,14 @@ The ``extended_type`` key of the tag is the type of field that this extension sh
be applied to. In your case, as you want to extend the ``Symfony\Component\Form\Extension\Core\Type\FileType``
field type, you will use that as the ``extended_type``.

.. tip::

There is an optional tag attribute called ``priority``, which
defaults to ``0`` and controls the order in which the form
type extensions are loaded (the higher the priority, the earlier
an extension is loaded). This is useful when you need to guarantee
that one extension is loaded before or after another extension.

Adding the extension Business Logic
-----------------------------------

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