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Added a note about not using the ClassLoader component #7383

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6 changes: 6 additions & 0 deletions components/class_loader.rst
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,12 @@ The ClassLoader Component
Usage
-----

.. caution::

If your application uses Composer's class loading mechanism and PHP 7 caching
features, there's no need to use this component to load classes. That's why
this component may be deprecated anytime soon.
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The last sentence sounds a bit vague. Shouldn't we just omit it?

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I've reworded it ... because the component is deprecated as of symfony/symfony#21353


Whenever you reference a class that has not been required or included yet,
PHP uses the `autoloading mechanism`_ to delegate the loading of a file
defining the class. Symfony provides three autoloaders, which are able to
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