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[OptionsResolver] Add note about deprecated options #11704

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Jun 11, 2019
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[OptionsResolver] Add note about deprecated options #11704

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6 changes: 6 additions & 0 deletions components/options_resolver.rst
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Expand Up @@ -733,6 +733,12 @@ method::
somewhere, either its value is provided by the user or the option is evaluated
within closures of lazy options and normalizers.

.. note::

If you use your own deprecated option within your own library and need to fix it,
pass ``false`` as second argument of the :method:`Symfony\\Component\\OptionsResolver\\Options::offsetGet()` method
so as not to trigger the deprecation warning.

Instead of passing the message, you may also pass a closure which returns
a string (the deprecation message) or an empty string to ignore the deprecation.
This closure is useful to only deprecate some of the allowed types or values of
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