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Commit5888a81

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Merge branch '5.1' of github.com:symfony/symfony-docs into 5.1
* '5.1' of github.com:symfony/symfony-docs: [#13919] Use ContainerConfigurator and fixes some bugs after testing the example code Fixed micro kernel demo
2 parents8776726 +e1c35a5 commit5888a81

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‎configuration/micro_kernel_trait.rst‎

Lines changed: 29 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -24,8 +24,7 @@ Next, create an ``index.php`` file that defines the kernel class and executes it
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// index.php
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use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
27-
use Symfony\Component\Config\Loader\LoaderInterface;
28-
use Symfony\Component\DependencyInjection\ContainerBuilder;
27+
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
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use Symfony\Component\HttpFoundation\JsonResponse;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Kernel as BaseKernel;
@@ -37,29 +36,27 @@ Next, create an ``index.php`` file that defines the kernel class and executes it
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{
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use MicroKernelTrait;
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40-
public function registerBundles()
39+
public function registerBundles(): array
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{
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return [
43-
new Symfony\Bundle\FrameworkBundle\FrameworkBundle()
42+
new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
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];
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}
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47-
protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
46+
protected function configureContainer(ContainerConfigurator $c): void
4847
{
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// PHP equivalent of config/packages/framework.yaml
50-
$c->loadFromExtension('framework', [
49+
$c->extension('framework', [
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'secret' => 'S0ME_SECRET'
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]);
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}
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55-
protected function configureRoutes(RoutingConfigurator $routes)
54+
protected function configureRoutes(RoutingConfigurator $routes): void
5655
{
57-
// kernel is a service that points to this class
58-
// optional 3rd argument is the route name
59-
$routes->add('/random/{limit}', 'kernel::randomNumber');
56+
$routes->add('random_number', '/random/{limit}')->controller([$this, 'randomNumber']);
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}
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62-
public function randomNumber($limit)
59+
public function randomNumber(int$limit): JsonResponse
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{
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return new JsonResponse([
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'number' => random_int(0, $limit),
@@ -91,9 +88,9 @@ that define your bundles, your services and your routes:
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**registerBundles()**
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This is the same ``registerBundles()`` that you see in a normal kernel.
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94-
**configureContainer(ContainerBuilder $c, LoaderInterface $loader)**
91+
**configureContainer(ContainerConfigurator $c)**
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This method builds and configures the container. In practice, you will use
96-
``loadFromExtension`` to configure different bundles (this is the equivalent
93+
``extension()`` to configure different bundles (this is the equivalent
9794
of what you see in a normal ``config/packages/*`` file). You can also register
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services directly in PHP or load external configuration files (shown below).
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@@ -134,43 +131,49 @@ hold the kernel. Now it looks like this::
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namespace App;
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use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
137-
use Symfony\Component\Config\Loader\LoaderInterface;
138-
use Symfony\Component\DependencyInjection\ContainerBuilder;
134+
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
139135
use Symfony\Component\HttpKernel\Kernel as BaseKernel;
140136
use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
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class Kernel extends BaseKernel
143139
{
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use MicroKernelTrait;
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146-
public function registerBundles()
142+
public function registerBundles(): array
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{
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$bundles = [
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new \Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
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new \Symfony\Bundle\TwigBundle\TwigBundle(),
151147
];
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if ($this->getEnvironment() == 'dev') {
154-
$bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
150+
$bundles[] = new\Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
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}
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return $bundles;
158154
}
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160-
protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
156+
protected function configureContainer(ContainerConfigurator $c): void
161157
{
162-
$loader->load(__DIR__.'/../config/framework.yaml');
158+
$c->import(__DIR__.'/../config/framework.yaml');
159+
160+
// register all classes in /src/ as service
161+
$c->services()
162+
->load('App\\', __DIR__.'/*')
163+
->autowire()
164+
->autoconfigure()
165+
;
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// configure WebProfilerBundle only if the bundle is enabled
165168
if (isset($this->bundles['WebProfilerBundle'])) {
166-
$c->loadFromExtension('web_profiler', [
169+
$c->extension('web_profiler', [
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'toolbar' => true,
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'intercept_redirects' => false,
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]);
170173
}
171174
}
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173-
protected function configureRoutes(RoutingConfigurator $routes)
176+
protected function configureRoutes(RoutingConfigurator $routes): void
174177
{
175178
// import the WebProfilerRoutes, only if the bundle is enabled
176179
if (isset($this->bundles['WebProfilerBundle'])) {
@@ -179,17 +182,17 @@ hold the kernel. Now it looks like this::
179182
}
180183

181184
// load the annotation routes
182-
$routes->import(__DIR__.'/../src/Controller/', 'annotation');
185+
$routes->import(__DIR__.'/Controller/', 'annotation');
183186
}
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185188
// optional, to use the standard Symfony cache directory
186-
public function getCacheDir()
189+
public function getCacheDir(): string
187190
{
188191
return __DIR__.'/../var/cache/'.$this->getEnvironment();
189192
}
190193

191194
// optional, to use the standard Symfony logs directory
192-
public function getLogDir()
195+
public function getLogDir(): string
193196
{
194197
return __DIR__.'/../var/log';
195198
}
@@ -245,14 +248,15 @@ has one file in it::
245248
namespace App\Controller;
246249

247250
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
251+
use Symfony\Component\HttpFoundation\Response;
248252
use Symfony\Component\Routing\Annotation\Route;
249253

250254
class MicroController extends AbstractController
251255
{
252256
/**
253257
* @Route("/random/{limit}")
254258
*/
255-
public function randomNumber($limit)
259+
public function randomNumber(int$limit): Response
256260
{
257261
$number = random_int(0, $limit);
258262

@@ -327,7 +331,6 @@ As before you can use the :doc:`Symfony Local Web Server
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328332
..code-block::terminal
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cd public/
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$ symfony server:start
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Then visit the page in your browser: http://localhost:8000/random/10

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