Merge remote-tracking branch 'origin/7.1' into 7.2

* origin/7.1:
  Replaced `caution` directive by `warning`
  Replaced caution blocks with warning

Author: wouterj

.doctor-rst.yaml

@@ -23,6 +23,7 @@ rules:
     forbidden_directives:
         directives:
             - '.. index::'
+            - '.. caution::'
     indention: ~
     lowercase_as_in_use_statements: ~
     max_blank_lines:

bundles.rst

@@ -3,7 +3,7 @@
 The Bundle System
 =================
 
-.. caution::
+.. warning::
 
     In Symfony versions prior to 4.0, it was recommended to organize your own
     application code using bundles. This is :ref:`no longer recommended <best-practice-no-application-bundles>` and bundles
@@ -58,7 +58,7 @@ Start by creating a new class called ``AcmeBlogBundle``::
     {
     }
 
-.. caution::
+.. warning::
 
     If your bundle must be compatible with previous Symfony versions you have to
     extend from the :class:`Symfony\\Component\\HttpKernel\\Bundle\\Bundle` instead.
@@ -118,7 +118,7 @@ to be adjusted if needed:
 
 .. _bundles-legacy-directory-structure:
 
-.. caution::
+.. warning::
 
     The recommended bundle structure was changed in Symfony 5, read the
     `Symfony 4.4 bundle documentation`_ for information about the old

bundles/best_practices.rst

@@ -246,7 +246,7 @@ with Symfony Flex to install a specific Symfony version:
     # recommended to have a better output and faster download time)
     composer update --prefer-dist --no-progress
 
-.. caution::
+.. warning::
 
     If you want to cache your Composer dependencies, **do not** cache the
     ``vendor/`` directory as this has side-effects. Instead cache

bundles/extension.rst

@@ -200,7 +200,7 @@ Patterns are transformed into the actual class namespaces using the classmap
 generated by Composer. Therefore, before using these patterns, you must generate
 the full classmap executing the ``dump-autoload`` command of Composer.
 
-.. caution::
+.. warning::
 
     This technique can't be used when the classes to compile use the ``__DIR__``
     or ``__FILE__`` constants, because their values will change when loading

bundles/override.rst

@@ -19,7 +19,7 @@ For example, to override the ``templates/registration/confirmed.html.twig``
 template from the AcmeUserBundle, create this template:
 ``<your-project>/templates/bundles/AcmeUserBundle/registration/confirmed.html.twig``
 
-.. caution::
+.. warning::
 
     If you add a template in a new location, you *may* need to clear your
     cache (``php bin/console cache:clear``), even if you are in debug mode.

cache.rst

@@ -829,7 +829,7 @@ Then, register the ``SodiumMarshaller`` service using this key:
             //->addArgument(['env(base64:CACHE_DECRYPTION_KEY)', 'env(base64:OLD_CACHE_DECRYPTION_KEY)'])
             ->addArgument(new Reference('.inner'));
 
-.. caution::
+.. danger::
 
     This will encrypt the values of the cache items, but not the cache keys. Be
     careful not to leak sensitive data in the keys.

components/cache/adapters/apcu_adapter.rst

@@ -5,7 +5,7 @@ This adapter is a high-performance, shared memory cache. It can *significantly*
 increase an application's performance, as its cache contents are stored in shared
 memory, a component appreciably faster than many others, such as the filesystem.
 
-.. caution::
+.. warning::
 
     **Requirement:** The `APCu extension`_ must be installed and active to use
     this adapter.
@@ -30,7 +30,7 @@ and cache items version string as constructor arguments::
         $version = null
     );
 
-.. caution::
+.. warning::
 
     Use of this adapter is discouraged in write/delete heavy workloads, as these
     operations cause memory fragmentation that results in significantly degraded performance.

components/cache/adapters/couchbasebucket_adapter.rst

@@ -14,7 +14,7 @@ shared memory; you can store contents independent of your PHP environment.
 The ability to utilize a cluster of servers to provide redundancy and/or fail-over
 is also available.
 
-.. caution::
+.. warning::
 
     **Requirements:** The `Couchbase PHP extension`_ as well as a `Couchbase server`_
     must be installed, active, and running to use this adapter. Version ``2.6`` or

components/cache/adapters/couchbasecollection_adapter.rst

@@ -8,7 +8,7 @@ shared memory; you can store contents independent of your PHP environment.
 The ability to utilize a cluster of servers to provide redundancy and/or fail-over
 is also available.
 
-.. caution::
+.. warning::
 
     **Requirements:** The `Couchbase PHP extension`_ as well as a `Couchbase server`_
     must be installed, active, and running to use this adapter. Version ``3.0`` or

components/cache/adapters/filesystem_adapter.rst

@@ -33,7 +33,7 @@ and cache root path as constructor parameters::
         $directory = null
     );
 
-.. caution::
+.. warning::
 
     The overhead of filesystem IO often makes this adapter one of the *slower*
     choices. If throughput is paramount, the in-memory adapters

components/cache/adapters/memcached_adapter.rst

@@ -8,7 +8,7 @@ shared memory; you can store contents independent of your PHP environment.
 The ability to utilize a cluster of servers to provide redundancy and/or fail-over
 is also available.
 
-.. caution::
+.. warning::
 
     **Requirements:** The `Memcached PHP extension`_ as well as a `Memcached server`_
     must be installed, active, and running to use this adapter. Version ``2.2`` or
@@ -256,7 +256,7 @@ Available Options
     executed in a "fire-and-forget" manner; no attempt to ensure the operation
     has been received or acted on will be made once the client has executed it.
 
-    .. caution::
+    .. warning::
 
         Not all library operations are tested in this mode. Mixed TCP and UDP
         servers are not allowed.

components/cache/adapters/php_files_adapter.rst

@@ -28,7 +28,7 @@ file similar to the following::
     handles file includes, this adapter has the potential to be much faster than other
     filesystem-based caches.
 
-.. caution::
+.. warning::
 
     While it supports updates and because it is using OPcache as a backend, this adapter is
     better suited for append-mostly needs. Using it in other scenarios might lead to

components/cache/adapters/redis_adapter.rst

@@ -15,7 +15,7 @@ Unlike the :doc:`APCu adapter </components/cache/adapters/apcu_adapter>`, and si
 shared memory; you can store contents independent of your PHP environment. The ability
 to utilize a cluster of servers to provide redundancy and/or fail-over is also available.
 
-.. caution::
+.. warning::
 
     **Requirements:** At least one `Redis server`_ must be installed and running to use this
     adapter. Additionally, this adapter requires a compatible extension or library that implements

components/config/definition.rst

@@ -685,7 +685,7 @@ The separator used in keys is typically ``_`` in YAML and ``-`` in XML.
 For example, ``auto_connect`` in YAML and ``auto-connect`` in XML. The
 normalization would make both of these ``auto_connect``.
 
-.. caution::
+.. warning::
 
     The target key will not be altered if it's mixed like
     ``foo-bar_moo`` or if it already exists.
@@ -904,7 +904,7 @@ Otherwise the result is a clean array of configuration values::
         $configs
     );
 
-.. caution::
+.. warning::
 
     When processing the configuration tree, the processor assumes that the top
     level array key (which matches the extension name) is already stripped off.

components/console/changing_default_command.rst

@@ -52,7 +52,7 @@ This will print the following to the command line:
 
     Hello World
 
-.. caution::
+.. warning::
 
     This feature has a limitation: you cannot pass any argument or option to
     the default command because they are ignored.

components/console/events.rst

@@ -14,7 +14,7 @@ the wheel, it uses the Symfony EventDispatcher component to do the work::
     $application->setDispatcher($dispatcher);
     $application->run();
 
-.. caution::
+.. warning::
 
     Console events are only triggered by the main command being executed.
     Commands called by the main command will not trigger any event, unless

components/console/helpers/progressbar.rst

@@ -323,7 +323,7 @@ to display it can be customized::
     // the bar width
     $progressBar->setBarWidth(50);
 
-.. caution::
+.. warning::
 
     For performance reasons, Symfony redraws the screen once every 100ms. If this is too
     fast or too slow for your application, use the methods

components/console/helpers/questionhelper.rst

@@ -329,7 +329,7 @@ convenient for passwords::
         return Command::SUCCESS;
     }
 
-.. caution::
+.. warning::
 
     When you ask for a hidden response, Symfony will use either a binary, change
     ``stty`` mode or use another trick to hide the response. If none is available,
@@ -392,7 +392,7 @@ method::
         return Command::SUCCESS;
     }
 
-.. caution::
+.. warning::
 
     The normalizer is called first and the returned value is used as the input
     of the validator. If the answer is invalid, don't throw exceptions in the
@@ -540,7 +540,7 @@ This way you can test any user interaction (even complex ones) by passing the ap
     simulates a user hitting ``ENTER`` after each input, no need for passing
     an additional input.
 
-.. caution::
+.. warning::
 
     On Windows systems Symfony uses a special binary to implement hidden
     questions. This means that those questions don't use the default ``Input``

components/finder.rst

@@ -41,7 +41,7 @@ The ``$file`` variable is an instance of
 :class:`Symfony\\Component\\Finder\\SplFileInfo` which extends PHP's own
 :phpclass:`SplFileInfo` to provide methods to work with relative paths.
 
-.. caution::
+.. warning::
 
     The ``Finder`` object doesn't reset its internal state automatically.
     This means that you need to create a new instance if you do not want

components/form.rst

@@ -644,7 +644,7 @@ method:
 
         // ...
 
-.. caution::
+.. warning::
 
     The form's ``createView()`` method should be called *after* ``handleRequest()`` is
     called. Otherwise, when using :doc:`form events </form/events>`, changes done

components/http_kernel.rst

@@ -471,7 +471,7 @@ you will trigger the ``kernel.terminate`` event where you can perform certain
 actions that you may have delayed in order to return the response as quickly
 as possible to the client (e.g. sending emails).
 
-.. caution::
+.. warning::
 
     Internally, the HttpKernel makes use of the :phpfunction:`fastcgi_finish_request`
     PHP function. This means that at the moment, only the `PHP FPM`_ server

components/ldap.rst

@@ -70,7 +70,7 @@ distinguished name (DN) and the password of a user::
 
     $ldap->bind($dn, $password);
 
-.. caution::
+.. danger::
 
     When the LDAP server allows unauthenticated binds, a blank password will always be valid.