Feb 28, 2020 · Feb 24, 2020
diff --git a/best_practices.rst b/best_practices.rst
 and methodologies. Symfony is flexible enough to adapt to your needs.

 This article assumes that you already have experience developing Symfony
 applications. If you don't, read first the rest of the `Symfony documentation`_.
 applications. If you don't, read first the :doc:`Getting Started </setup>`
 section of the documentation.

 .. tip::

 from routes. Whenever a route changes, tests will break and you'll know that
 you must set up a redirection.

 .. _`Symfony documentation`: https://symfony.com/doc
 .. _`Symfony Demo`: https://github.com/symfony/demo
 .. _`download Symfony`: https://symfony.com/download
 .. _`Composer`: https://getcomposer.org/
diff --git a/bundles/override.rst b/bundles/override.rst
 ``Resources/translations/FOSUserBundle.es.yml`` file of the FOSUserBundle,
 create a ``<your-project>/translations/FOSUserBundle.es.yml`` file.

 .. _`the Doctrine documentation`:http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/inheritance-mapping.html#overrides
 .. _`the Doctrine documentation`:https://www.doctrine-project.org/projects/doctrine-orm/en/current/reference/inheritance-mapping.html#overrides
diff --git a/components/cache.rst b/components/cache.rst

    cache/*

 .. _`PSR-6`:http://www.php-fig.org/psr/psr-6/
 .. _`PSR-6`:https://www.php-fig.org/psr/psr-6/
 .. _`Cache Contracts`: https://github.com/symfony/contracts/blob/master/Cache/CacheInterface.php
 .. _`Stampede prevention`: https://en.wikipedia.org/wiki/Cache_stampede
 .. _Probabilistic early expiration: https://en.wikipedia.org/wiki/Cache_stampede#Probabilistic_early_expiration
diff --git a/components/cache/adapters/memcached_adapter.rst b/components/cache/adapters/memcached_adapter.rst
 .. _`User Datagram Protocol (UDP)`: https://en.wikipedia.org/wiki/User_Datagram_Protocol
 .. _`no-delay`: https://en.wikipedia.org/wiki/TCP_NODELAY
 .. _`keep-alive`: https://en.wikipedia.org/wiki/Keepalive
 .. _`Memcached PHP extension`:http://php.net/manual/en/book.memcached.php
 .. _`predefined constants`:http://php.net/manual/en/memcached.constants.php
 .. _`Memcached PHP extension`:https://www.php.net/manual/en/book.memcached.php
 .. _`predefined constants`:https://www.php.net/manual/en/memcached.constants.php
 .. _`Memcached server`: https://memcached.org/
 .. _`Memcached`:http://php.net/manual/en/class.memcached.php
 .. _`Memcached`:https://www.php.net/manual/en/class.memcached.php
 .. _`Data Source Name (DSN)`: https://en.wikipedia.org/wiki/Data_source_name
diff --git a/components/cache/adapters/pdo_doctrine_dbal_adapter.rst b/components/cache/adapters/pdo_doctrine_dbal_adapter.rst
 PDO & Doctrine DBAL Cache Adapter
 =================================

 This adapter stores the cache items in an SQL database. It requires a `PDO`_,
 This adapter stores the cache items in an SQL database. It requires a:phpclass:`PDO`,
 `Doctrine DBAL Connection`_, or `Data Source Name (DSN)`_ as its first parameter, and
 optionally a namespace, default cache lifetime, and options array as its second,
 third, and forth parameters::
    allowing for manual:ref:`pruning of expired cache entries<component-cache-cache-pool-prune>` by
    calling its ``prune()`` method.

 .. _`PDO`:http://php.net/manual/en/class.pdo.php
 .. _`Doctrine DBAL Connection`:https://github.com/doctrine/dbal/blob/master/lib/Doctrine/DBAL/Connection.php
 .. _`Data Source Name (DSN)`:https://en.wikipedia.org/wiki/Data_source_name
diff --git a/components/cache/adapters/php_files_adapter.rst b/components/cache/adapters/php_files_adapter.rst
    allowing for manual :ref:`pruning of expired cache entries <component-cache-cache-pool-prune>` by
    calling its ``prune()`` method.

 .. _`OPcache`:http://php.net/manual/en/book.opcache.php
 .. _`OPcache`:https://www.php.net/manual/en/book.opcache.php
diff --git a/components/cache/adapters/proxy_adapter.rst b/components/cache/adapters/proxy_adapter.rst
        $defaultLifetime = 0
    );

 .. _`PSR-6`:http://www.php-fig.org/psr/psr-6/
 .. _`cache item pool interface`:http://www.php-fig.org/psr/psr-6/#cacheitempoolinterface
 .. _`PSR-6`:https://www.php-fig.org/psr/psr-6/
 .. _`cache item pool interface`:https://www.php-fig.org/psr/psr-6/#cacheitempoolinterface
diff --git a/components/cache/psr6_psr16_adapters.rst b/components/cache/psr6_psr16_adapters.rst

    The ``Psr16Cache`` class was introduced in Symfony 4.3.

 .. _`PSR-16`:http://www.php-fig.org/psr/psr-16/
 .. _`PSR-16`:https://www.php-fig.org/psr/psr-16/
diff --git a/components/dependency_injection.rst b/components/dependency_injection.rst
    /components/dependency_injection/*
    /service_container/*

 .. _`PSR-11`:http://www.php-fig.org/psr/psr-11/
 .. _`PSR-11`:https://www.php-fig.org/psr/psr-11/
diff --git a/components/dotenv.rst b/components/dotenv.rst

    Note that using ``$()`` might not work depending on your shell.

 .. _twelve-factor applications:http://www.12factor.net/
 .. _twelve-factor applications:https://12factor.net/
diff --git a/components/event_dispatcher.rst b/components/event_dispatcher.rst

 .. _Mediator: https://en.wikipedia.org/wiki/Mediator_pattern
 .. _Observer: https://en.wikipedia.org/wiki/Observer_pattern
 .. _Closures: https://php.net/manual/en/functions.anonymous.php
 .. _PHP callable: https://php.net/manual/en/language.pseudo-types.php#language.types.callback
 .. _Closures: https://www.php.net/manual/en/functions.anonymous.php
 .. _PHP callable: https://www.php.net/manual/en/language.pseudo-types.php#language.types.callback
diff --git a/components/finder.rst b/components/finder.rst
 .. _`fluent interface`: https://en.wikipedia.org/wiki/Fluent_interface
 .. _`symbolic links`: https://en.wikipedia.org/wiki/Symbolic_link
 .. _`Version Control Systems`: https://en.wikipedia.org/wiki/Version_control
 .. _`PHP wrapper for URL-style protocols`: https://php.net/manual/en/wrappers.php
 .. _`PHP streams`: https://php.net/streams
 .. _`PHP wrapper for URL-style protocols`: https://www.php.net/manual/en/wrappers.php
 .. _`PHP streams`: https://www.php.net/streams
 .. _`IEC standard`: https://physics.nist.gov/cuu/Units/binary.html
 .. _`natural sort order`: https://en.wikipedia.org/wiki/Natural_sort_order
diff --git a/components/http_client.rst b/components/http_client.rst

    $mockResponse = new MockResponse($body());

 .. _`cURL PHP extension`: https://php.net/curl
 .. _`cURL PHP extension`: https://www.php.net/curl
 .. _`PSR-17`: https://www.php-fig.org/psr/psr-17/
 .. _`PSR-18`: https://www.php-fig.org/psr/psr-18/
 .. _`HTTPlug`: https://github.com/php-http/httplug/#readme
diff --git a/components/http_foundation.rst b/components/http_foundation.rst

 .. _nginx: https://www.nginx.com/resources/wiki/start/topics/examples/xsendfile/
 .. _Apache: https://tn123.org/mod_xsendfile/
 .. _`JSON Hijacking`:http://haacked.com/archive/2009/06/25/json-hijacking.aspx
 .. _`JSON Hijacking`:https://haacked.com/archive/2009/06/25/json-hijacking.aspx/
 .. _OWASP guidelines: https://cheatsheetseries.owasp.org/cheatsheets/AJAX_Security_Cheat_Sheet.html#always-return-json-with-an-object-on-the-outside
diff --git a/components/http_foundation/session_configuration.rst b/components/http_foundation/session_configuration.rst
 They must be configured by ``php.ini`` directives, usually ``session.save_path`` and
 potentially other driver specific directives. Specific details can be found in
 the docblock of the ``setOptions()`` method of each class. For instance, the one
 provided by the Memcached extension can be found on `php.net/memcached.setoption`_
 provided by the Memcached extension can be found on:phpmethod:`php.net <Memcached::setOption>`.

 While native save handlers can be activated by directly using
 ``ini_set('session.save_handler', $name);``, Symfony provides a convenient way to
 The expiry time of the cookie can be determined by adding the created
 timestamp and the lifetime.

 .. _`php.net/session.customhandler`: https://php.net/session.customhandler
 .. _`php.net/session.configuration`: https://php.net/session.configuration
 .. _`php.net/memcached.setoption`: https://php.net/memcached.setoption
 .. _`php.net/session.customhandler`: https://www.php.net/session.customhandler
 .. _`php.net/session.configuration`: https://www.php.net/session.configuration
diff --git a/components/http_kernel.rst b/components/http_kernel.rst

   /reference/events

 .. _reflection: https://php.net/manual/en/book.reflection.php
 .. _reflection: https://www.php.net/manual/en/book.reflection.php
 .. _FOSRestBundle: https://github.com/friendsofsymfony/FOSRestBundle
 .. _`PHP FPM`: https://php.net/manual/en/install.fpm.php
 .. _`PHP FPM`: https://www.php.net/manual/en/install.fpm.php
 .. _`SensioFrameworkExtraBundle`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/index.html
 .. _`@ParamConverter`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/converters.html
 .. _`@Template`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/view.html
 .. _`EmailSenderListener`: https://github.com/symfony/swiftmailer-bundle/blob/master/EventListener/EmailSenderListener.php
 .. _variadic:http://php.net/manual/en/functions.arguments.php
 .. _variadic:https://www.php.net/manual/en/functions.arguments.php#functions.variable-arg-list
diff --git a/components/intl.rst b/components/intl.rst
    /reference/forms/types/locale
    /reference/forms/types/timezone

 .. _intl extension: https://php.net/manual/en/book.intl.php
 .. _install the intl extension: https://php.net/manual/en/intl.setup.php
 .. _intl extension: https://www.php.net/manual/en/book.intl.php
 .. _install the intl extension: https://www.php.net/manual/en/intl.setup.php
 .. _ICU library: http://site.icu-project.org/
 .. _`Unicode ISO 15924 Registry`: https://www.unicode.org/iso15924/iso15924-codes.html
 .. _`ISO 3166-1 alpha-2`: https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
diff --git a/components/lock.rst b/components/lock.rst

 .. _`ACID`:https://en.wikipedia.org/wiki/ACID
 .. _`locks`:https://en.wikipedia.org/wiki/Lock_(computer_science)
 .. _`PHP semaphore functions`:https://php.net/manual/en/book.sem.php
 .. _`PDO`:https://php.net/pdo
 .. _`PHP semaphore functions`:https://www.php.net/manual/en/book.sem.php
 .. _`PDO`:https://www.php.net/pdo
 .. _`Doctrine DBAL Connection`:https://github.com/doctrine/dbal/blob/master/lib/Doctrine/DBAL/Connection.php
 .. _`Data Source Name (DSN)`:https://en.wikipedia.org/wiki/Data_source_name
 .. _`ZooKeeper`:https://zookeeper.apache.org/
diff --git a/components/messenger.rst b/components/messenger.rst
        }
    }

 .. _messenger-envelopes:

 Adding Metadata to Messages (Envelopes)
 ---------------------------------------

diff --git a/components/mime.rst b/components/mime.rst

 .. _`MIME`: https://en.wikipedia.org/wiki/MIME
 .. _`MIME types`: https://en.wikipedia.org/wiki/Media_type
 .. _`fileinfo extension`: https://php.net/fileinfo
 .. _`fileinfo extension`: https://www.php.net/fileinfo
diff --git a/components/phpunit_bridge.rst b/components/phpunit_bridge.rst
 Making Tests Fail
 ~~~~~~~~~~~~~~~~~

 By default, any non-legacy-tagged or any non-`@-silenced`_ deprecation
 notices will make tests fail. Alternatively, you can configure an
 arbitrary threshold by setting ``SYMFONY_DEPRECATIONS_HELPER`` to
 By default, any non-legacy-tagged or any non-`@-silenced <@-silencing operator>`_
 deprecationnotices will make tests fail. Alternatively, you can configure
 anarbitrary threshold by setting ``SYMFONY_DEPRECATIONS_HELPER`` to
 ``max[total]=320`` for instance. It will make the tests fails only if a
 higher number of deprecation notices is reached (``0`` is the default
 value).
 .. _`PHPUnit`: https://phpunit.de
 .. _`PHPUnit event listener`: https://phpunit.de/manual/current/en/extending-phpunit.html#extending-phpunit.PHPUnit_Framework_TestListener
 .. _`PHPUnit's assertStringMatchesFormat()`: https://phpunit.de/manual/current/en/appendixes.assertions.html#appendixes.assertions.assertStringMatchesFormat
 .. _`PHP error handler`: https://php.net/manual/en/book.errorfunc.php
 .. _`PHP error handler`: https://www.php.net/manual/en/book.errorfunc.php
 .. _`environment variable`: https://phpunit.de/manual/current/en/appendixes.configuration.html#appendixes.configuration.php-ini-constants-variables
 .. _`@-silencing operator`: https://php.net/manual/en/language.operators.errorcontrol.php
 .. _`@-silenced`: https://php.net/manual/en/language.operators.errorcontrol.php
 .. _`@-silencing operator`: https://www.php.net/manual/en/language.operators.errorcontrol.php
 .. _`Travis CI`: https://travis-ci.org/
 .. _`test listener`: https://phpunit.de/manual/current/en/appendixes.configuration.html#appendixes.configuration.test-listeners
 .. _`@covers`: https://phpunit.de/manual/current/en/appendixes.annotations.html#appendixes.annotations.covers
 .. _`PHP namespace resolutions rules`: https://php.net/manual/en/language.namespaces.rules.php
 .. _`PHP namespace resolutions rules`: https://www.php.net/manual/en/language.namespaces.rules.php
diff --git a/components/serializer.rst b/components/serializer.rst
 .. _RFC3339: https://tools.ietf.org/html/rfc3339#section-5.8
 .. _JSON: http://www.json.org/
 .. _XML: https://www.w3.org/XML/
 .. _YAML:http://yaml.org/
 .. _YAML:https://yaml.org/
 .. _CSV: https://tools.ietf.org/html/rfc4180
 .. _`RFC 7807`: https://tools.ietf.org/html/rfc7807
 .. _`Value Objects`: https://en.wikipedia.org/wiki/Value_object
diff --git a/components/validator.rst b/components/validator.rst
    /validation
    /validation/*

 .. _`JSR-303 Bean Validation specification`:http://jcp.org/en/jsr/detail?id=303
 .. _`JSR-303 Bean Validation specification`:https://jcp.org/en/jsr/detail?id=303
diff --git a/components/var_exporter.rst b/components/var_exporter.rst
        "\0" => [$inputArray]
    ]);

 .. _`OPcache`: https://php.net/opcache
 .. _`OPcache`: https://www.php.net/opcache
 .. _`PSR-2`: https://www.php-fig.org/psr/psr-2/
diff --git a/components/yaml.rst b/components/yaml.rst

    yaml/*

 .. _`YAML`:http://yaml.org/
 .. _`YAML 1.2 version specification`:http://yaml.org/spec/1.2/spec.html
 .. _`ISO-8601`:http://www.iso.org/iso/iso8601
 .. _`YAML`:https://yaml.org/
 .. _`YAML 1.2 version specification`:https://yaml.org/spec/1.2/spec.html
 .. _`ISO-8601`:https://www.iso.org/iso-8601-date-and-time-format.html
diff --git a/components/yaml/yaml_format.rst b/components/yaml/yaml_format.rst
 * Using sequence-like syntax for mapping elements (example: ``{foo, bar}``; use
  ``{foo: ~, bar: ~}`` instead).

 .. _`ISO-8601`:http://www.iso.org/iso/iso8601
 .. _`YAML website`:http://yaml.org/
 .. _`YAML specification`:http://www.yaml.org/spec/1.2/spec.html
 .. _`ISO-8601`:https://www.iso.org/iso-8601-date-and-time-format.html
 .. _`YAML website`:https://yaml.org/
 .. _`YAML specification`:https://www.yaml.org/spec/1.2/spec.html
diff --git a/configuration/micro_kernel_trait.rst b/configuration/micro_kernel_trait.rst

    $ symfony server:start

 Then see the JSON response in your browser:

    http://localhost:8000/random/10
 Then see the JSON response in your browser: http://localhost:8000/random/10

 The Methods of a "Micro" Kernel
 -------------------------------
    cd public/
    $ symfony server:start

 Then visit the page in your browser:

    http://localhost:8000/random/10
 Then visit the page in your browser: http://localhost:8000/random/10
diff --git a/contributing/code/conventions.rst b/contributing/code/conventions.rst
 ready to cope with them (by adding a custom error handler like the one used by
 the Web Debug Toolbar or by the PHPUnit bridge).

 .. _`@-silencing operator`: https://php.net/manual/en/language.operators.errorcontrol.php

 When deprecating a whole class the ``trigger_error()`` call should be placed
 between the namespace and the use declarations, like in this example from
 `ServiceRouterLoader`_::
    * Removed the `Deprecated` class, use `Replacement` instead.

 This task is mandatory and must be done in the same pull request.

 .. _`@-silencing operator`: https://www.php.net/manual/en/language.operators.errorcontrol.php
diff --git a/contributing/code/pull_requests.rst b/contributing/code/pull_requests.rst

 .. _ProGit: https://git-scm.com/book
 .. _GitHub: https://github.com/join
 .. _`GitHub's documentation`: https://help.github.com/articles/ignoring-files
 .. _`GitHub's documentation`: https://help.github.com/github/using-git/ignoring-files
 .. _Symfony repository: https://github.com/symfony/symfony
 .. _`documentation repository`: https://github.com/symfony/symfony-docs
 .. _`fabbot`: https://fabbot.io
 .. _`searching on GitHub`: https://github.com/symfony/symfony/issues?q=+is%3Aopen+
 .. _`Symfony Slack`: https://symfony.com/slack-invite
 .. _`Travis-CI`: https://travis-ci.org/symfony/symfony
 .. _`draft status`: https://help.github.com/en/articles/about-pull-requests#draft-pull-requests
 .. _`draft status`: https://help.github.com/github/collaborating-with-issues-and-pull-requests/about-pull-requests#draft-pull-requests
diff --git a/contributing/code/standards.rst b/contributing/code/standards.rst
 .. _`PSR-1`: https://www.php-fig.org/psr/psr-1/
 .. _`PSR-2`: https://www.php-fig.org/psr/psr-2/
 .. _`PSR-4`: https://www.php-fig.org/psr/psr-4/
 .. _`identical comparison`: https://php.net/manual/en/language.operators.comparison.php
 .. _`identical comparison`: https://www.php.net/manual/en/language.operators.comparison.php
 .. _`Yoda conditions`: https://en.wikipedia.org/wiki/Yoda_conditions
 .. _`camelCase`: https://en.wikipedia.org/wiki/Camel_case
 .. _`UpperCamelCase`: https://en.wikipedia.org/wiki/Camel_case
diff --git a/contributing/code/tests.rst b/contributing/code/tests.rst
    to see colored test results.

 .. _`install Composer`: https://getcomposer.org/download/
 .. _Cmder:http://cmder.net/
 .. _Cmder:https://cmder.net/
 .. _ConEmu: https://conemu.github.io/
 .. _ANSICON: https://github.com/adoxa/ansicon/releases
 .. _Mintty: https://mintty.github.io/
diff --git a/contributing/code_of_conduct/code_of_conduct.rst b/contributing/code_of_conduct/code_of_conduct.rst
 -----------

 This Code of Conduct is adapted from the `Contributor Covenant`_, version 1.4,
 available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
 available at https://www.contributor-covenant.org/version/1/4/code-of-conduct/

 Related Documents
 -----------------
diff --git a/contributing/community/releases.rst b/contributing/community/releases.rst
 version is published every two years and there is a year to upgrade.

 .. _`semantic versioning`: https://semver.org/
 .. _`Subscribe to Symfony Roadmap notifications`: https://symfony.com/account
 .. _`Symfony Roadmap`: https://symfony.com/roadmap#checker
 .. _`Subscribe to Symfony Roadmap notifications`: https://symfony.com/account/notifications
 .. _`Symfony Roadmap`: https://symfony.com/releases
 .. _`professional Symfony support`: https://sensiolabs.com/
diff --git a/contributing/community/reviews.rst b/contributing/community/reviews.rst
 .. _Symfony issue tracker: https://github.com/symfony/symfony/issues
 .. _`Symfony skeleton`: https://github.com/symfony/skeleton
 .. _`Symfony website skeleton`: https://github.com/symfony/website-skeleton
 .. _create a GitHub account: https://help.github.com/articles/signing-up-for-a-new-github-account/
 .. _create a GitHub account: https://help.github.com/github/getting-started-with-github/signing-up-for-a-new-github-account
 .. _bug reports in need of review: https://github.com/symfony/symfony/issues?utf8=%E2%9C%93&q=is%3Aopen+is%3Aissue+label%3A%22Bug%22+label%3A%22Status%3A+Needs+Review%22+
 .. _PRs in need of review: https://github.com/symfony/symfony/issues?utf8=%E2%9C%93&q=is%3Aopen+is%3Apr+label%3A%22Status%3A+Needs+Review%22+
 .. _Symfony Roadmap: https://symfony.com/roadmap
 .. _PRs in need of review: https://github.com/symfony/symfony/pulls?q=is%3Aopen+is%3Apr+label%3A%22Status%3A+Needs+Review%22
 .. _Symfony Roadmap: https://symfony.com/releases
 .. _Carson Bot: https://github.com/carsonbot/carsonbot
 .. _`Needs Review`: https://github.com/symfony/symfony/labels/Status%3A%20Needs%20Review
Original file line number	Diff line number	Diff line change
Expand Up		@@ -10,7 +10,8 @@ You can even ignore them completely and continue using your own best practices
		and methodologies. Symfony is flexible enough to adapt to your needs.

		This article assumes that you already have experience developing Symfony
		applications. If you don't, read first the rest of the `Symfony documentation`_.
		applications. If you don't, read first the :doc:`Getting Started </setup>`
		section of the documentation.

		.. tip::

Expand DownExpand Up		@@ -440,7 +441,6 @@ That's why it's recommended to use raw URLs in tests instead of generating them
		from routes. Whenever a route changes, tests will break and you'll know that
		you must set up a redirection.

		.. _`Symfony documentation`: https://symfony.com/doc
		.. _`Symfony Demo`: https://github.com/symfony/demo
		.. _`download Symfony`: https://symfony.com/download
		.. _`Composer`: https://getcomposer.org/
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -180,4 +180,4 @@ For example, to override the translations defined in the
		``Resources/translations/FOSUserBundle.es.yml`` file of the FOSUserBundle,
		create a ``<your-project>/translations/FOSUserBundle.es.yml`` file.

		.. _`the Doctrine documentation`:http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/inheritance-mapping.html#overrides
		.. _`the Doctrine documentation`:https://www.doctrine-project.org/projects/doctrine-orm/en/current/reference/inheritance-mapping.html#overrides
Original file line number	Diff line number	Diff line change
Expand Up		@@ -201,7 +201,7 @@ Advanced Usage

		cache/*

		.. _`PSR-6`:http://www.php-fig.org/psr/psr-6/
		.. _`PSR-6`:https://www.php-fig.org/psr/psr-6/
		.. _`Cache Contracts`: https://github.com/symfony/contracts/blob/master/Cache/CacheInterface.php
		.. _`Stampede prevention`: https://en.wikipedia.org/wiki/Cache_stampede
		.. _Probabilistic early expiration: https://en.wikipedia.org/wiki/Cache_stampede#Probabilistic_early_expiration
Original file line number	Diff line number	Diff line change
Expand Up		@@ -296,8 +296,8 @@ Available Options
		.. _`User Datagram Protocol (UDP)`: https://en.wikipedia.org/wiki/User_Datagram_Protocol
		.. _`no-delay`: https://en.wikipedia.org/wiki/TCP_NODELAY
		.. _`keep-alive`: https://en.wikipedia.org/wiki/Keepalive
		.. _`Memcached PHP extension`:http://php.net/manual/en/book.memcached.php
		.. _`predefined constants`:http://php.net/manual/en/memcached.constants.php
		.. _`Memcached PHP extension`:https://www.php.net/manual/en/book.memcached.php
		.. _`predefined constants`:https://www.php.net/manual/en/memcached.constants.php
		.. _`Memcached server`: https://memcached.org/
		.. _`Memcached`:http://php.net/manual/en/class.memcached.php
		.. _`Memcached`:https://www.php.net/manual/en/class.memcached.php
		.. _`Data Source Name (DSN)`: https://en.wikipedia.org/wiki/Data_source_name
Original file line number	Diff line number	Diff line change
Expand Up		@@ -7,7 +7,7 @@
		PDO & Doctrine DBAL Cache Adapter
		=================================

		This adapter stores the cache items in an SQL database. It requires a `PDO`_,
		This adapter stores the cache items in an SQL database. It requires a:phpclass:`PDO`,
		`Doctrine DBAL Connection`_, or `Data Source Name (DSN)`_ as its first parameter, and
		optionally a namespace, default cache lifetime, and options array as its second,
		third, and forth parameters::
Expand DownExpand Up		@@ -48,6 +48,5 @@ your code.
		allowing for manual:ref:`pruning of expired cache entries<component-cache-cache-pool-prune>` by
		calling its ``prune()`` method.

		.. _`PDO`:http://php.net/manual/en/class.pdo.php
		.. _`Doctrine DBAL Connection`:https://github.com/doctrine/dbal/blob/master/lib/Doctrine/DBAL/Connection.php
		.. _`Data Source Name (DSN)`:https://en.wikipedia.org/wiki/Data_source_name
Original file line number	Diff line number	Diff line change
Expand Up		@@ -67,4 +67,4 @@ directory path as constructor arguments::
		allowing for manual :ref:`pruning of expired cache entries <component-cache-cache-pool-prune>` by
		calling its ``prune()`` method.

		.. _`OPcache`:http://php.net/manual/en/book.opcache.php
		.. _`OPcache`:https://www.php.net/manual/en/book.opcache.php
Original file line number	Diff line number	Diff line change
Expand Up		@@ -36,5 +36,5 @@ and optionally a namespace and default cache lifetime as its second and third pa
		$defaultLifetime = 0
		);

		.. _`PSR-6`:http://www.php-fig.org/psr/psr-6/
		.. _`cache item pool interface`:http://www.php-fig.org/psr/psr-6/#cacheitempoolinterface
		.. _`PSR-6`:https://www.php-fig.org/psr/psr-6/
		.. _`cache item pool interface`:https://www.php-fig.org/psr/psr-6/#cacheitempoolinterface
Original file line number	Diff line number	Diff line change
Expand Up		@@ -91,4 +91,4 @@ this use-case::

		The ``Psr16Cache`` class was introduced in Symfony 4.3.

		.. _`PSR-16`:http://www.php-fig.org/psr/psr-16/
		.. _`PSR-16`:https://www.php-fig.org/psr/psr-16/
Original file line number	Diff line number	Diff line change
Expand Up		@@ -318,4 +318,4 @@ Learn More
		/components/dependency_injection/*
		/service_container/*

		.. _`PSR-11`:http://www.php-fig.org/psr/psr-11/
		.. _`PSR-11`:https://www.php-fig.org/psr/psr-11/
Original file line number	Diff line number	Diff line change
Expand Up		@@ -170,4 +170,4 @@ Embed commands via ``$()`` (not supported on Windows):

		Note that using ``$()`` might not work depending on your shell.

		.. _twelve-factor applications:http://www.12factor.net/
		.. _twelve-factor applications:https://12factor.net/