8000 Controller vs AbstractController difference by guillbdx · Pull Request #9991 · symfony/symfony-docs · GitHub
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Controller vs AbstractController difference #9991

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Controller vs AbstractController difference
Jul 2, 2018
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javiereguiluz Jul 2, 2018
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javiereguiluz authored Jul 2, 2018
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Expand Up @@ -146,14 +146,13 @@ and many others that you'll learn about next.

.. tip::

What's the difference between ``Controller`` or ``AbstractController``? Both
provide the same helper methods, but ``AbstractController`` is more strict: it
forces you to explicitly declare your dependencies before you can fetch them using
``$this->get()`` or ``$this->container->get()``. This is considered a best practice
as ``Controller`` requires services to be public to do the same. But if you do
need direct access to the container, using Controller is fine. Learn more about
how to subscribe your services in the
:doc:`/service_container/service_subscribers_locators` article.
You can extend either ``Controller`` or ``AbstractController``. The
difference is that ``AbstractController`` is more strict and doesn't let you
access services via ``$this->get()`` or ``$this->container->get()``.
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@yceruto yceruto Jul 2, 2018 •
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and doesn't let you access services via $this->get() or $this->container->get().

Except for services defined in getSubscribedServices() method.

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Indeed. How can we improve this?

Instead, you must declare your dependencies explicitly with
:doc:`service locators </service_container/service_subscribers_locators>`.
Using ``AbstractController`` is considered a best practice but if you do
need direct access to the container, using ``Controller`` is fine.

.. versionadded:: 3.3
The ``AbstractController`` class was added in Symfony 3.3.
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