8000 minor #7187 Use PHP 5.5's ::class notation everywhere (wouterj) · symfony/symfony-docs@ce79cff · GitHub
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minor #7187 Use PHP 5.5's ::class notation everywhere (wouterj)
This PR was merged into the 2.8 branch. Discussion ---------- Use PHP 5.5's ::class notation everywhere While updating to use the `::class` notation, I also fixed quite a few error's in the PHP code block, reformatted things a bit and updated some articles to use the AppBundle. /fixes #7186 Commits ------- cd1406f Use PHP 5.5's ::class notation
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‎_includes/service_container/_my_mailer.rst.inc

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@@ -27,9 +27,10 @@
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.. code-block:: php
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// app/config/services.php
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use AppBundle\Mailer;
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use Symfony\Component\DependencyInjection\Definition;
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$container->setDefinition('app.mailer', new Definition(
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'AppBundle\Mailer',
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Mailer::class,
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array('sendmail')
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));

‎best_practices/forms.rst

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@@ -19,6 +19,7 @@ form in its own PHP class::
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2020
namespace AppBundle\Form;
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use AppBundle\Entity\Post;
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use Symfony\Component\Form\AbstractType;
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use Symfony\Component\Form\FormBuilderInterface;
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use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -42,7 +43,7 @@ form in its own PHP class::
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public function configureOptions(OptionsResolver $resolver)
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{
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$resolver->setDefaults(array(
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'data_class' => 'AppBundle\Entity\Post'
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'data_class' => Post::class,
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));
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}
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}

‎bundles/extension.rst

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@@ -137,14 +137,17 @@ Your bundles can also add their own classes into this file thanks to the
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``addClassesToCompile()`` method. Define the classes to compile as an array of
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their fully qualified class names::
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140+
use AppBundle\Manager\UserManager;
141+
use AppBundle\Utils\Slugger;
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// ...
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public function load(array $configs, ContainerBuilder $container)
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{
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// ...
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145148
$this->addClassesToCompile(array(
146-
'AppBundle\\Manager\\UserManager',
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'AppBundle\\Utils\\Slugger',
149+
UserManager::class,
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Slugger::class,
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// ...
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));
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}

‎bundles/override.rst

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@@ -45,6 +45,7 @@ example, the implementing class for the ``original-service-id`` is changed to
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// src/Acme/DemoBundle/DependencyInjection/Compiler/OverrideServiceCompilerPass.php
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namespace Acme\DemoBundle\DependencyInjection\Compiler;
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48+
use Acme\DemoBundle\YourService;
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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@@ -53,7 +54,7 @@ example, the implementing class for the ``original-service-id`` is changed to
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public function process(ContainerBuilder $container)
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{
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$definition = $container->getDefinition('original-service-id');
56-
$definition->setClass('Acme\DemoBundle\YourService');
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$definition->setClass(YourService::class);
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}
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}
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‎components/class_loader/class_loader.rst

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@@ -59,10 +59,10 @@ looked for in a location list to ease the vendoring of a sub-set of classes
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for large projects::
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$loader->addPrefixes(array(
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'Doctrine\\Common' => __DIR__.'/vendor/doctrine/common/lib',
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'Doctrine\\DBAL\\Migrations' => __DIR__.'/vendor/doctrine/migrations/lib',
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'Doctrine\\DBAL' => __DIR__.'/vendor/doctrine/dbal/lib',
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'Doctrine' => __DIR__.'/vendor/doctrine/orm/lib',
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'Doctrine\Common' => __DIR__.'/vendor/doctrine/common/lib',
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'Doctrine\DBAL\Migrations' => __DIR__.'/vendor/doctrine/migrations/lib',
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'Doctrine\DBAL' => __DIR__.'/vendor/doctrine/dbal/lib',
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'Doctrine' => __DIR__.'/vendor/doctrine/orm/lib',
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));
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In this example, if you try to use a class in the ``Doctrine\Common`` namespace

‎components/class_loader/psr4_class_loader.rst

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@@ -38,17 +38,15 @@ The directory structure will look like this:
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demo.php
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In ``demo.php`` you are going to parse the ``config.yml`` file. To do that, you
41-
first need to configure the ``Psr4ClassLoader``:
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.. code-block:: php
41+
first need to configure the ``Psr4ClassLoader``::
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use Symfony\Component\ClassLoader\Psr4ClassLoader;
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use Symfony\Component\Yaml\Yaml;
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require __DIR__.'/lib/ClassLoader/Psr4ClassLoader.php';
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$loader = new Psr4ClassLoader();
51-
$loader->addPrefix('Symfony\\Component\\Yaml\\', __DIR__.'/lib/Yaml');
49+
$loader->addPrefix('Symfony\Component\Yaml\\', __DIR__.'/lib/Yaml');
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$loader->register();
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$data = Yaml::parse(file_get_contents(__DIR__.'/config.yml'));

‎components/dependency_injection/autowiring.rst

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@@ -76,10 +76,11 @@ service is marked as autowired:
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.. code-block:: php
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79+
use Acme\TwitterClient;
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use Symfony\Component\DependencyInjection\Definition;
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// ...
82-
$definition = new Definition('Acme\TwitterClient');
83+
$definition = new Definition(TwitterClient::class);
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$definition->setAutowired(true);
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$container->setDefinition('twitter_client', $definition);
@@ -150,9 +151,8 @@ modifying the class depending of them.
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To follow this best practice, constructor arguments must be typehinted with interfaces
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and not concrete classes. It allows to replace easily the current implementation
153-
if necessary. It also allows to use other transformers.
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Let's introduce a ``TransformerInterface``::
154+
if necessary. It also allows to use other transformers. You can create a
155+
``TransformerInterface`` containing just one method (``transform()``)::
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namespace Acme;
158158

@@ -164,18 +164,15 @@ Let's introduce a ``TransformerInterface``::
164164
Then edit ``Rot13Transformer`` to make it implementing the new interface::
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166166
// ...
167-
168167
class Rot13Transformer implements TransformerInterface
169-
170-
// ...
171-
168+
{
169+
// ...
170+
}
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173172
And update ``TwitterClient`` to depend of this new interface::
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175174
class TwitterClient
176175
{
177-
// ...
178-
179176
public function __construct(TransformerInterface $transformer)
180177
{
181178
// ...
@@ -215,12 +212,13 @@ subsystem isn't able to find itself the interface implementation to register:
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.. code-block:: php
217214
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use Acme\TwitterClient;
218216
use Symfony\Component\DependencyInjection\Definition;
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// ...
221219
$container->register('rot13_transformer', 'Acme\Rot13Transformer');
222220
223-
$clientDefinition = new Definition('Acme\TwitterClient');
221+
$clientDefinition = new Definition(TwitterClient::class);
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$clientDefinition->setAutowired(true);
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$container->setDefinition('twitter_client', $clientDefinition);
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@@ -353,23 +351,27 @@ and a Twitter client using it:
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.. code-block:: php
355353
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use Acme\Rot13Transformer;
355+
use Acme\TransformerInterface;
356+
use Acme\TwitterClient;
357+
use Acme\UppercaseTransformer;
356358
use Symfony\Component\DependencyInjection\Reference;
357359
use Symfony\Component\DependencyInjection\Definition;
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// ...
360-
$rot13Definition = new Definition('Acme\Rot13Transformer');
361-
$rot13Definition->setAutowiringTypes(array('Acme\TransformerInterface'));
362+
$rot13Definition = new Definition(Rot13Transformer::class);
363+
$rot13Definition->setAutowiringTypes(array(TransformerInterface::class));
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$container->setDefinition('rot13_transformer', $rot13Definition);
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$clientDefinition = new Definition('Acme\TwitterClient');
366+
$clientDefinition = new Definition(TwitterClient::class);
365367
$clientDefinition->setAutowired(true);
366368
$container->setDefinition('twitter_client', $clientDefinition);
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$uppercaseDefinition = new Definition('Acme\UppercaseTransformer');
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$uppercaseDefinition = new Definition(UppercaseTransformer::class);
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$uppercaseDefinition->setAutowired(true);
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$container->setDefinition('uppercase_transformer', $uppercaseDefinition);
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372-
$uppercaseClientDefinition = new Definition('Acme\TwitterClient', array(
374+
$uppercaseClientDefinition = new Definition(TwitterClient::class, array(
373375
new Reference('uppercase_transformer'),
374376
));
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$container->setDefinition('uppercase_twitter_client', $uppercaseClientDefinition);

‎components/event_dispatcher.rst

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@@ -201,27 +201,28 @@ determine which instance is passed.
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
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use Symfony\Component\DependencyInjection\Reference;
204+
use Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher;
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use Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass;
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$containerBuilder = new ContainerBuilder(new ParameterBag());
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$containerBuilder->addCompilerPass(new RegisterListenersPass());
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// register the event dispatcher service
210211
$containerBuilder->setDefinition('event_dispatcher', new Definition(
211-
'Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher',
212+
ContainerAwareEventDispatcher::class,
212213
array(new Reference('service_container'))
213214
));
214215

215216
// register your event listener service
216-
$listener = new Definition('AcmeListener');
217+
$listener = new Definition(\AcmeListener::class);
217218
$listener->addTag('kernel.event_listener', array(
218219
'event' => 'foo.action',
219220
'method' => 'onFooAction',
220221
));
221222
$containerBuilder->setDefinition('listener_service_id', $listener);
222223

223224
// register an event subscriber
224-
$subscriber = new Definition('AcmeSubscriber');
225+
$subscriber = new Definition(\AcmeSubscriber::class);
225226
$subscriber->addTag('kernel.event_subscriber');
226227
$containerBuilder->setDefinition('subscriber_service_id', $subscriber);
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‎components/form.rst

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@@ -660,7 +660,7 @@ option when building each field:
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->add('dueDate', DateType::class, array(
661661
'constraints' => array(
662662
new NotBlank(),
663-
new Type('\DateTime'),
663+
new Type(\DateTime::class),
664664
)
665665
))
666666
->getForm();
@@ -679,7 +679,7 @@ option when building each field:
679679
->add('dueDate', DateType::class, array(
680680
'constraints' => array(
681681
new NotBlank(),
682-
new Type('\DateTime'),
682+
new Type(\DateTime::class),
683683
)
684684
))
685685
->getForm();

‎components/security/authentication.rst

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@@ -172,19 +172,19 @@ user. This allows you to use different encoding strategies for different
172172
types of users. The default :class:`Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactory`
173173
receives an array of encoders::
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175+
use Acme\Entity\LegacyUser;
175176
use Symfony\Component\Security\Core\Encoder\EncoderFactory;
176177
use Symfony\Component\Security\Core\Encoder\MessageDigestPasswordEncoder;
178+
use Symfony\Component\Security\Core\User\User;
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178180
$defaultEncoder = new MessageDigestPasswordEncoder('sha512', true, 5000);
179181
$weakEncoder = new MessageDigestPasswordEncoder('md5', true, 1);
180182

181183
$encoders = array(
182-
'Symfony\\Component\\Security\\Core\\User\\User' => $defaultEncoder,
183-
'Acme\\Entity\\LegacyUser' => $weakEncoder,
184-
184+
User::class => $defaultEncoder,
185+
LegacyUser::class => $weakEncoder,
185186
// ...
186187
);
187-
188188
$encoderFactory = new EncoderFactory($encoders);
189189

190190
Each encoder should implement :class:`Symfony\\Component\\Security\\Core\\Encoder\\PasswordEncoderInterface`

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