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Add note about PHP 5.3 behaviour and proxies. #3018

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merged 2 commits into from Oct 10, 2013
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Add note about PHP 5.3 behaviour and proxies. #3018

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805257e
Add note about PHP 5.3 behaviour and proxies.
Sep 28, 2013
70db62b
Better wording.
Sep 30, 2013
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7 changes: 6 additions & 1 deletion components/http_foundation/session_configuration.rst
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Expand Up @@ -252,12 +252,17 @@ using the `Native*SessionHandler` classes, while
:class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\SessionHandlerProxy`
will be used to wrap any custom save handlers, that implement :phpclass:`SessionHandlerInterface`.

Under PHP 5.4 and above, all session handlers implement :phpclass:`SessionHandlerInterface`
From PHP 5.4 and above, all session handlers implement :phpclass:`SessionHandlerInterface`
including `Native*SessionHandler` classes which inherit from :phpclass:`SessionHandler`.

The proxy mechanism allows you to get more deeply involved in session save handler
classes. A proxy for example could be used to encrypt any session transaction
without knowledge of the specific save handler.

.. note::

Before PHP 5.4, you can only proxy user-land save handlers but not
native PHP save handlers.

.. _`php.net/session.customhandler`: http://php.net/session.customhandler
.. _`php.net/session.configuration`: http://php.net/session.configuration