minor #8748 Updated the console/* articles to Symfony 4 (javiereguiluz)

This PR was squashed before being merged into the 4.0 branch (closes #8748).

Discussion
----------

Updated the console/* articles to Symfony 4

Commits
-------

fcb4ac0 Update the main console article too
88e0f1d Don't mention the deprecated LockHandler utility
e44f622 Updated the console/* articles to Symfony 4

Author: weaverryan

_build/redirection_map

@@ -358,6 +358,7 @@
 /components/var_dumper/index /components/var_dumper
 /components/yaml/introduction /components/yaml
 /components/yaml/index /components/yaml
+/console/logging /console
 /deployment/tools /deployment
 /install/bundles /setup/bundles
 /event_dispatcher/class_extension /event_dispatcher

console.rst

@@ -163,11 +163,11 @@ Getting Services from the Service Container
 To actually create a new user, the command has to access to some
 :doc:`services </service_container>`. Since your command is already registered
 as a service, you can use normal dependency injection. Imagine you have a
-``AppBundle\Service\UserManager`` service that you want to access::
+``App\Service\UserManager`` service that you want to access::
 
     // ...
     use Symfony\Component\Console\Command\Command;
-    use AppBundle\Service\UserManager;
+    use App\Service\UserManager;
 
     class CreateUserCommand extends Command
     {

console/calling_commands.rst

@@ -6,7 +6,7 @@ user to remember the order of execution, you can call it directly yourself.
 This is also useful if you want to create a "meta" command that just runs a
 bunch of other commands (for instance, all commands that need to be run when
 the project's code has changed on the production servers: clearing the cache,
-generating Doctrine2 proxies, dumping Assetic assets, ...).
+generating Doctrine2 proxies, dumping web assets, ...).
 
 Calling a command from another one is straightforward::
 

console/coloring.rst

@@ -43,7 +43,7 @@ It is possible to define your own styles using the
     $style = new OutputFormatterStyle('red', 'yellow', array('bold', 'blink'));
     $output->getFormatter()->setStyle('fire', $style);
 
-    $output->writeln('<fire>foo</fire>');
+    $output->writeln('<fire>foo</>');
 
 Available foreground and background colors are: ``black``, ``red``, ``green``,
 ``yellow``, ``blue``, ``magenta``, ``cyan`` and ``white``.
@@ -54,7 +54,7 @@ are swapped) and ``conceal`` (sets the foreground color to transparent, making
 the typed text invisible - although it can be selected and copied; this option is
 commonly used when asking the user to type sensitive information).
 
-You can also set these colors and options directly inside the tagname::
+You can also set these colors and options directly inside the tag name::
 
     // green text
     $output->writeln('<fg=green>foo</>');

console/commands_as_services.rst

@@ -86,33 +86,32 @@ Or set the ``command`` attribute on the ``console.command`` tag in your service
 
     .. code-block:: yaml
 
+        # config/services.yaml
         services:
-
             App\Command\SunshineCommand:
                 tags:
                     - { name: 'console.command', command: 'app:sunshine' }
                 # ...
 
     .. code-block:: xml
 
+        <!-- config/services.xml -->
         <?xml version="1.0" encoding="UTF-8" ?>
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
-
                 <service id="App\Command\SunshineCommand">
                      <tag name="console.command" command="app:sunshine" />
                 </service>
-
             </services>
         </container>
 
     .. code-block:: php
 
+        // config/services.php
         use App\Command\SunshineCommand;
-
         //...
 
         $container

console/lockable_trait.rst

@@ -2,9 +2,8 @@ Prevent Multiple Executions of a Console Command
 ================================================
 
 A simple but effective way to prevent multiple executions of the same command in
-a single server is to use **file locks**. The Filesystem component provides a
-:doc:`LockHandler </components/filesystem/lock_handler>` class that eases the
-creation and release of these locks.
+a single server is to use **file locks**. The Lock component eases the creation
+and release of these locks.
 
 In addition, the Console component provides a PHP trait called ``LockableTrait``
 that adds two convenient methods to lock and release commands::

console/logging.rst

@@ -21,8 +21,8 @@ Configuring the Request Context Globally
 
 To configure the Request Context - which is used by the URL Generator - you can
 redefine the parameters it uses as default values to change the default host
-(localhost) and scheme (http). You can also configure the base path if Symfony
-is not running in the root directory.
+(``localhost``) and scheme (``http``). You can also configure the base path if
+Symfony is not running in the root directory.
 
 Note that this does not impact URLs generated via normal web requests, since those
 will override the defaults.
@@ -31,15 +31,15 @@ will override the defaults.
 
     .. code-block:: yaml
 
-        # app/config/parameters.yml
+        # config/services.yaml
         parameters:
             router.request_context.host: example.org
             router.request_context.scheme: https
             router.request_context.base_url: my/path
 
     .. code-block:: xml
 
-        <!-- app/config/parameters.xml -->
+        <!-- config/services.xml -->
         <?xml version="1.0" encoding="UTF-8"?>
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
@@ -54,29 +54,37 @@ will override the defaults.
 
     .. code-block:: php
 
-        // app/config/parameters.php
+        // config/services.php
         $container->setParameter('router.request_context.host', 'example.org');
         $container->setParameter('router.request_context.scheme', 'https');
         $container->setParameter('router.request_context.base_url', 'my/path');
 
 Configuring the Request Context per Command
 -------------------------------------------
 
-To change it only in one command you can simply fetch the Request Context
-from the ``router`` service and override its settings::
+To change it only in one command you can fetch the Request Context from the
+router service and override its settings::
 
-   // src/Command/DemoCommand.php
+    // src/Command/DemoCommand.php
+    use Symfony\Component\Routing\RouterInterface;
+    // ...
 
-   // ...
-   class DemoCommand extends ContainerAwareCommand
-   {
-       protected function execute(InputInterface $input, OutputInterface $output)
-       {
-           $context = $this->getContainer()->get('router')->getContext();
-           $context->setHost('example.com');
-           $context->setScheme('https');
-           $context->setBaseUrl('my/path');
+    class DemoCommand extends ContainerAwareCommand
+    {
+        private $router;
 
-           // ... your code here
-       }
-   }
+        public function __construct(RouterInterface $router)
+        {
+            $this->router = $router;
+        }
+
+        protected function execute(InputInterface $input, OutputInterface $output)
+        {
+            $context = $this->router->getContext();
+            $context->setHost('example.com');
+            $context->setScheme('https');
+            $context->setBaseUrl('my/path');
+
+            // ... your code here
+        }
+    }

console/request_context.rst

@@ -8,24 +8,13 @@ The :doc:`/components/console/usage` page of the components documentation looks
 at the global console options. When you use the console as part of the full-stack
 framework, some additional global options are available as well.
 
-By default, console commands run in the ``dev`` environment and you may want to
-change this for some commands. For example, you may want to run some commands in
-the ``prod`` environment for performance reasons. Also, the result of some
-commands will be different depending on the environment. For example, the
-``cache:clear`` command will clear the cache for the specified environment only.
-To clear the ``prod`` cache you need to run:
-
-.. code-block:: terminal
-
-    $ php bin/console cache:clear --no-warmup --env=prod
-
-    # this is equivalent:
-    $ php bin/console cache:clear --no-warmup -e prod
-
-In addition to changing the environment, you can also choose to disable debug mode.
-This can be useful where you want to run commands in the ``dev`` environment
-but avoid the performance hit of collecting debug data:
-
-.. code-block:: terminal
-
-    $ php bin/console list --no-debug
+Console commands run in the environment defined in the ``APP_ENV`` variable of
+the ``.env`` file, which is ``dev`` by default. The result of some commands will
+be different depending on the environment (e.g. the ``cache:clear`` command
+clears the cache for the given environment only). To run the command in other
+environment, edit the value of ``APP_ENV``.
+
+In addition to changing the environment, you can also choose to disable debug
+mode. This can be useful where you want to run commands in the ``dev``
+environment but avoid the performance hit of collecting debug data. To do that,
+set the value of the ``APP_DEBUG`` env var to ``0`` in the same ``.env`` file.

console/usage.rst

@@ -63,13 +63,6 @@ verbosity levels::
         // ...
     }
 
-.. note::
-
-    These semantic methods are defined in the ``OutputInterface`` starting from
-    Symfony 3.0. In previous Symfony versions they are defined in the different
-    implementations of the interface (e.g. :class:`Symfony\\Component\\Console\\Output\\Output`)
-    in order to keep backward compatibility.
-
 When the quiet level is used, all output is suppressed as the default
 :method:`Symfony\\Component\\Console\\Output\\Output::write` method returns
 without actually printing.