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Add specific tip about the http-kernel component #6979

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Sep 27, 2016
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Add specific tip about the http-kernel component #6979

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7 changes: 7 additions & 0 deletions setup/bundles.rst
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Expand Up @@ -189,6 +189,13 @@ adding a ``setDefined()`` method. The recommended check in this case would be::
// code for the new OptionsResolver API
}

.. tip::

There is one case when you actually can rely on the
``Symfony\Component\HttpKernel\Kernel::VERSION_ID`` constant: when trying
to detect the version of the ``symfony/http-kernel`` component, because it
is the component where this constant is defined.

.. _`symfony/phpunit-bridge package`: https://github.com/symfony/phpunit-bridge
.. _`Official Symfony Guide to Upgrade from 2.x to 3.0`: https://github.com/symfony/symfony/blob/2.8/UPGRADE-3.0.md
.. _`SensioLabs DeprecationDetector`: https://github.com/sensiolabs-de/deprecation-detector
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