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Commitc0581e9

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minor#10501 Fixing some bugs and minor improvements for MicroKernelTrait (yceruto)
This PR was merged into the 4.1 branch.Discussion----------Fixing some bugs and minor improvements for MicroKernelTraitGoing over the basics to some friends, we found some problems in this document. I also think that some lines are outdated and others aren't necessary anymore.Commits-------e88973e Fix some bugs, added missing note, removed dead code and revamping code
2 parents12b2f02 +e88973e commitc0581e9

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‎configuration/micro_kernel_trait.rst‎

Lines changed: 26 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -55,13 +55,13 @@ Next, create an ``index.php`` file that defines the kernel class and executes it
5555
{
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// kernel is a service that points to this class
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// optional 3rd argument is the route name
58-
$routes->add('/random/{limit}', 'kernel:randomNumber');
58+
$routes->add('/random/{limit}', 'Kernel::randomNumber');
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}
6060

6161
public function randomNumber($limit)
6262
{
6363
return new JsonResponse(array(
64-
'number' =>rand(0, $limit)
64+
'number' =>random_int(0, $limit),
6565
));
6666
}
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}
@@ -136,11 +136,6 @@ hold the kernel. Now it looks like this::
136136
use Symfony\Component\DependencyInjection\ContainerBuilder;
137137
use Symfony\Component\HttpKernel\Kernel as BaseKernel;
138138
use Symfony\Component\Routing\RouteCollectionBuilder;
139-
use Doctrine\Common\Annotations\AnnotationRegistry;
140-
141-
$loader = require __DIR__.'/../vendor/autoload.php';
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// auto-load annotations
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AnnotationRegistry::registerLoader(array($loader, 'loadClass'));
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class Kernel extends BaseKernel
146141
{
@@ -149,8 +144,8 @@ hold the kernel. Now it looks like this::
149144
public function registerBundles()
150145
{
151146
$bundles = array(
152-
new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
153-
new Symfony\Bundle\TwigBundle\TwigBundle(),
147+
new\Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
148+
new\Symfony\Bundle\TwigBundle\TwigBundle(),
154149
);
155150

156151
if ($this->getEnvironment() == 'dev') {
@@ -162,7 +157,7 @@ hold the kernel. Now it looks like this::
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protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
164159
{
165-
$loader->load(__DIR__.'/config/framework.yaml');
160+
$loader->load(__DIR__.'/../config/framework.yaml');
166161

167162
// configure WebProfilerBundle only if the bundle is enabled
168163
if (isset($this->bundles['WebProfilerBundle'])) {
@@ -198,6 +193,12 @@ hold the kernel. Now it looks like this::
198193
}
199194
}
200195

196+
Before you continue, run this command to add support for the new dependencies:
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198+
..code-block::terminal
199+
200+
composer require symfony/yaml symfony/twig-bundle symfony/web-profiler-bundle doctrine/annotations
201+
201202
Unlike the previous kernel, this loads an external ``config/framework.yaml`` file,
202203
because the configuration started to get bigger:
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@@ -208,8 +209,6 @@ because the configuration started to get bigger:
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# config/framework.yaml
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framework:
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secret:S0ME_SECRET
211-
templating:
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engines:['twig']
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profiler:{ only_exceptions: false }
214213
215214
..code-block::xml
@@ -223,9 +222,6 @@ because the configuration started to get bigger:
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http://symfony.com/schema/dic/symfony http://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
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<framework:configsecret="S0ME_SECRET">
226-
<framework:templating>
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<framework:engine>twig</framework:engine>
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</framework:templating>
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<framework:profileronly-exceptions="false" />
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</framework:config>
231227
</container>
@@ -235,9 +231,6 @@ because the configuration started to get bigger:
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// config/framework.php
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$container->loadFromExtension('framework', array(
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'secret' => 'S0ME_SECRET',
238-
'templating' => array(
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'engines' => array('twig'),
240-
),
241234
'profiler' => array(
242235
'only_exceptions' => false,
243236
),
@@ -259,21 +252,20 @@ has one file in it::
259252
*/
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public function randomNumber($limit)
261254
{
262-
$number =rand(0, $limit);
255+
$number =random_int(0, $limit);
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264257
return $this->render('micro/random.html.twig', array(
265-
'number' => $number
258+
'number' => $number,
266259
));
267260
}
268261
}
269262

270-
Template files should live in the ``Resources/views/`` directory of whatever directory
271-
your *kernel* lives in. Since ``Kernel`` lives in ``src/``, this template lives
272-
at ``src/Resources/views/micro/random.html.twig``:
263+
Template files should live in the ``templates/`` directory at the root of your project.
264+
This template lives at ``templates/micro/random.html.twig``:
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274266
..code-block::html+twig
275267

276-
<!--src/Resources/views/micro/random.html.twig -->
268+
<!--templates/micro/random.html.twig -->
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<!DOCTYPE html>
278270
<html>
279271
<head>
@@ -289,9 +281,13 @@ Finally, you need a front controller to boot and run the application. Create a
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290282
// public/index.php
291283

284+
use App\Kernel;
285+
use Doctrine\Common\Annotations\AnnotationRegistry;
292286
use Symfony\Component\HttpFoundation\Request;
293287

294-
require __DIR__.'/../src/Kernel.php';
288+
$loader = require __DIR__.'/../vendor/autoload.php';
289+
// auto-load annotations
290+
AnnotationRegistry::registerLoader(array($loader, 'loadClass'));
295291

296292
$kernel = new Kernel('dev', true);
297293
$request = Request::createFromGlobals();
@@ -311,13 +307,12 @@ this:
311307
├─ public/
312308
| └─ index.php
313309
├─ src/
314-
| ├─ Kernel.php
315310
| ├─ Controller
316311
| | └─ MicroController.php
317-
│ └─Resources
318-
| └─ views
319-
|└─ micro
320-
|└─ random.html.twig
312+
| └─Kernel.php
313+
├─ templates/
314+
| └─ micro/
315+
| └─ random.html.twig
321316
├─ var/
322317
| ├─ cache/
323318
│ └─ log/
@@ -331,7 +326,7 @@ As before you can use PHP built-in server:
331326
..code-block::terminal
332327
333328
cd public/
334-
$ php -S localhost:8000
329+
$ php -S localhost:8000 -t public/
335330
336331
Then see webpage in browser:
337332

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