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[Session] Remove a gc_probability default value mention #20428

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Dec 2, 2024
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[Session] Remove a gc_probability default value mention #20428

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17 changes: 5 additions & 12 deletions session.rst
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Expand Up @@ -494,25 +494,18 @@ deleted. This allows one to expire records based on idle time.

However, some operating systems (e.g. Debian) do their own session handling and set
the ``session.gc_probability`` variable to ``0`` to stop PHP doing garbage
collection. That's why Symfony now overwrites this value to ``1``.

If you wish to use the original value set in your ``php.ini``, add the following
configuration:

.. code-block:: yaml

# config/packages/framework.yaml
framework:
session:
# ...
gc_probability: null
collection.

You can configure these settings by passing ``gc_probability``, ``gc_divisor``
and ``gc_maxlifetime`` in an array to the constructor of
:class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\NativeSessionStorage`
or to the :method:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\NativeSessionStorage::setOptions`
method.

.. versionadded:: 7.2

Starting from Symfony 7.2, ``php.ini``'s directive is used as default for ``gc_probability``.

.. _session-database:

Store Sessions in a Database
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