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Documented the new csrf_token field prefix #10905

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Jan 22, 2019
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Documented the new csrf_token field prefix #10905

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9 changes: 9 additions & 0 deletions security/csrf.rst
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Expand Up @@ -108,6 +108,15 @@ this can be customized on a form-by-form basis::
// ...
}

You can also customize the rendering of the CSRF form field creating a custom
:doc:`form theme </form/form_themes>` and using ``csrf_token`` as the prefix of
the field (e.g. define ``{% block csrf_token_widget %} ... {% endblock %}`` to
customize the entire form field contents).

.. versionadded:: 4.3

The ``csrf_token`` form field prefix was introduced in Symfony 4.3.

CSRF Protection in Login Forms
------------------------------

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