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43 lines
1.6 KiB
ReStructuredText
.. _PSR:
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===
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PSR
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===
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.. sectionauthor:: Christoph Wurst <christoph@winzerhof-wurst.at>
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On this page you find information about the implemented `php standards recommendations <https://www.php-fig.org/psr/>`_ in Nextcloud.
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.. _psr0:
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PSR-0: Autoloading
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------------------
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This standard has been deprecated and will be removed from Nextcloud. Please see the :ref:`PSR-4 section<psr4>` instead.
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.. _psr3:
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PSR-3: Logger Interface
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-----------------------
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As of Nextcloud 19, the dependency injection container can inject an instance of a ``\Psr\Log\LoggerInterface``. This is merely a wrapper of the existing (and strongly typed) ``\OCP\ILogger``. Apps may still use the Nextcloud logger, but the `PSR-3`_ implementation shall easy the integration of 3rd party libraries that require the `PSR-3`_ logger.
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.. _psr4:
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PSR-4: Autoloading
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------------------
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The `PSR-4` standard describes how class files should be named, so Nextcloud can automatically load them. See the :ref:`classloader docs<appclassloader>` for details.
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.. _psr11:
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PSR-11: Container Interface
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---------------------------
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As of Nextcloud 20, the dependency injection container follows the `PSR-11`_ container interface, so you may start type-hinting ``\Psr\Container\ContainerInterface`` whenever you want an instance of a container and use ``has($id)`` to check for existance and ``get($id)`` to retrieve an instance of a service. See the :ref:`dependency injection docs <dependency-injection>` for details.
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.. _`PSR-0`: https://www.php-fig.org/psr/psr-0/
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.. _`PSR-3`: https://www.php-fig.org/psr/psr-3/
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.. _`PSR-4`: https://www.php-fig.org/psr/psr-4/
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.. _`PSR-11`: https://www.php-fig.org/psr/psr-11/
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