feature #350 Use new php features (voronkovich)

This PR was squashed before being merged into the master branch (closes #350).

Discussion
----------

Use new php features

See #346

Commits
-------

055fc88 Use new php features

app/AppKernel.php

@@ -11,7 +11,7 @@ public function registerBundles()
         // application, you must add it in the following array to register it
         // in the application. Otherwise, the bundle won't be enabled and you
         // won't be able to use it.
-        $bundles = array(
+        $bundles = [
             new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
             new Symfony\Bundle\SecurityBundle\SecurityBundle(),
             new Symfony\Bundle\TwigBundle\TwigBundle(),
@@ -24,13 +24,13 @@ public function registerBundles()
             new CodeExplorerBundle\CodeExplorerBundle(),
             new AppBundle\AppBundle(),
             new Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle(),
-        );
+        ];
 
         // Some bundles are only used while developing the application or during
         // the unit and functional tests. Therefore, they are only registered
         // when the application runs in 'dev' or 'test' environments. This allows
         // to increase application performance in the production environment.
-        if (in_array($this->getEnvironment(), array('dev', 'test'))) {
+        if (in_array($this->getEnvironment(), ['dev', 'test'])) {
             $bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
             $bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
             $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();

bin/console

@@ -17,8 +17,8 @@ set_time_limit(0);
 $loader = require __DIR__.'/../app/autoload.php';
 
 $input = new ArgvInput();
-$env = $input->getParameterOption(array('--env', '-e'), getenv('SYMFONY_ENV') ?: 'dev');
-$debug = getenv('SYMFONY_DEBUG') !== '0' && !$input->hasParameterOption(array('--no-debug', '')) && $env !== 'prod';
+$env = $input->getParameterOption(['--env', '-e'], getenv('SYMFONY_ENV') ?: 'dev');
+$debug = getenv('SYMFONY_DEBUG') !== '0' && !$input->hasParameterOption(['--no-debug', '']) && $env !== 'prod';
 
 if ($debug) {
     Debug::enable();

src/AppBundle/Command/AddUserCommand.php

@@ -98,20 +98,20 @@ protected function interact(InputInterface $input, OutputInterface $output)
         $output->writeln('-----------------------------------');
 
         // ...but you can also pass an array of strings to the writeln() method
-        $output->writeln(array(
+        $output->writeln([
             '',
             'If you prefer to not use this interactive wizard, provide the',
             'arguments required by this command as follows:',
             '',
             ' $ php bin/console app:add-user username password email@example.com',
             '',
-        ));
+        ]);
 
-        $output->writeln(array(
+        $output->writeln([
             '',
             'Now we\'ll ask you for the value of all the missing command arguments.',
             '',
-        ));
+        ]);
 
         // See http://symfony.com/doc/current/components/console/helpers/questionhelper.html
         $console = $this->getHelper('question');
@@ -139,7 +139,7 @@ protected function interact(InputInterface $input, OutputInterface $output)
         $password = $input->getArgument('password');
         if (null === $password) {
             $question = new Question(' > <info>Password</info> (your type will be hidden): ');
-            $question->setValidator(array($this, 'passwordValidator'));
+            $question->setValidator([$this, 'passwordValidator']);
             $question->setHidden(true);
             $question->setMaxAttempts(self::MAX_ATTEMPTS);
 
@@ -153,7 +153,7 @@ protected function interact(InputInterface $input, OutputInterface $output)
         $email = $input->getArgument('email');
         if (null === $email) {
             $question = new Question(' > <info>Email</info>: ');
-            $question->setValidator(array($this, 'emailValidator'));
+            $question->setValidator([$this, 'emailValidator']);
             $question->setMaxAttempts(self::MAX_ATTEMPTS);
 
             $email = $console->ask($input, $output, $question);
@@ -177,7 +177,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $isAdmin = $input->getOption('is-admin');
 
         // first check if a user with the same username already exists
-        $existingUser = $this->entityManager->getRepository('AppBundle:User')->findOneBy(array('username' => $username));
+        $existingUser = $this->entityManager->getRepository(User::class)->findOneBy(['username' => $username]);
 
         if (null !== $existingUser) {
             throw new \RuntimeException(sprintf('There is already a user registered with the "%s" username.', $username));
@@ -187,7 +187,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $user = new User();
         $user->setUsername($username);
         $user->setEmail($email);
-        $user->setRoles(array($isAdmin ? 'ROLE_ADMIN' : 'ROLE_USER'));
+        $user->setRoles([$isAdmin ? 'ROLE_ADMIN' : 'ROLE_USER']);
 
         // See http://symfony.com/doc/current/book/security.html#security-encoding-password
         $encoder = $this->getContainer()->get('security.password_encoder');

src/AppBundle/Command/DeleteUserCommand.php

@@ -78,25 +78,25 @@ protected function interact(InputInterface $input, OutputInterface $output)
         $output->writeln('Delete User Command Interactive Wizard');
         $output->writeln('-----------------------------------');
 
-        $output->writeln(array(
+        $output->writeln([
             '',
             'If you prefer to not use this interactive wizard, provide the',
             'arguments required by this command as follows:',
             '',
             ' $ php bin/console app:delete-user username',
             '',
-        ));
+        ]);
 
-        $output->writeln(array(
+        $output->writeln([
             '',
             'Now we\'ll ask you for the value of all the missing command arguments.',
             '',
-        ));
+        ]);
 
         $helper = $this->getHelper('question');
 
         $question = new Question(' > <info>Username</info>: ');
-        $question->setValidator(array($this, 'usernameValidator'));
+        $question->setValidator([$this, 'usernameValidator']);
         $question->setMaxAttempts(self::MAX_ATTEMPTS);
 
         $username = $helper->ask($input, $output, $question);
@@ -108,7 +108,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $username = $input->getArgument('username');
         $this->usernameValidator($username);
 
-        $repository = $this->entityManager->getRepository('AppBundle:User');
+        $repository = $this->entityManager->getRepository(User::class);
         /** @var User $user */
         $user = $repository->findOneByUsername($username);
 

src/AppBundle/Command/ListUsersCommand.php

@@ -87,11 +87,11 @@ protected function execute(InputInterface $input, OutputInterface $output)
     {
         $maxResults = $input->getOption('max-results');
         // Use ->findBy() instead of ->findAll() to allow result sorting and limiting
-        $users = $this->entityManager->getRepository('AppBundle:User')->findBy(array(), array('id' => 'DESC'), $maxResults);
+        $users = $this->entityManager->getRepository(User::class)->findBy([], ['id' => 'DESC'], $maxResults);
 
         // Doctrine query returns an array of objects and we need an array of plain arrays
         $usersAsPlainArrays = array_map(function (User $user) {
-            return array($user->getId(), $user->getUsername(), $user->getEmail(), implode(', ', $user->getRoles()));
+            return [$user->getId(), $user->getUsername(), $user->getEmail(), implode(', ', $user->getRoles())];
         }, $users);
 
         // In your console commands you should always use the regular output type,
@@ -105,7 +105,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         $table = new Table($bufferedOutput);
         $table
-            ->setHeaders(array('ID', 'Username', 'Email', 'Roles'))
+            ->setHeaders(['ID', 'Username', 'Email', 'Roles'])
             ->setRows($usersAsPlainArrays)
         ;
         $table->render();

src/AppBundle/Controller/Admin/BlogController.php

@@ -11,12 +11,14 @@
 
 namespace AppBundle\Controller\Admin;
 
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use AppBundle\Entity\Post;
+use AppBundle\Form\PostType;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
-use AppBundle\Entity\Post;
+use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Controller used to manage blog contents in the backend.
@@ -52,9 +54,9 @@ class BlogController extends Controller
     public function indexAction()
     {
         $entityManager = $this->getDoctrine()->getManager();
-        $posts = $entityManager->getRepository('AppBundle:Post')->findAll();
+        $posts = $entityManager->getRepository(Post::class)->findAll();
 
-        return $this->render('admin/blog/index.html.twig', array('posts' => $posts));
+        return $this->render('admin/blog/index.html.twig', ['posts' => $posts]);
     }
 
     /**
@@ -73,8 +75,8 @@ public function newAction(Request $request)
         $post->setAuthorEmail($this->getUser()->getEmail());
 
         // See http://symfony.com/doc/current/book/forms.html#submitting-forms-with-multiple-buttons
-        $form = $this->createForm('AppBundle\Form\PostType', $post)
-            ->add('saveAndCreateNew', 'Symfony\Component\Form\Extension\Core\Type\SubmitType');
+        $form = $this->createForm(PostType::class, $post)
+            ->add('saveAndCreateNew', SubmitType::class);
 
         $form->handleRequest($request);
 
@@ -102,10 +104,10 @@ public function newAction(Request $request)
             return $this->redirectToRoute('admin_post_index');
         }
 
-        return $this->render('admin/blog/new.html.twig', array(
+        return $this->render('admin/blog/new.html.twig', [
             'post' => $post,
             'form' => $form->createView(),
-        ));
+        ]);
     }
 
     /**
@@ -125,10 +127,10 @@ public function showAction(Post $post)
 
         $deleteForm = $this->createDeleteForm($post);
 
-        return $this->render('admin/blog/show.html.twig', array(
+        return $this->render('admin/blog/show.html.twig', [
             'post'        => $post,
             'delete_form' => $deleteForm->createView(),
-        ));
+        ]);
     }
 
     /**
@@ -145,7 +147,7 @@ public function editAction(Post $post, Request $request)
 
         $entityManager = $this->getDoctrine()->getManager();
 
-        $editForm = $this->createForm('AppBundle\Form\PostType', $post);
+        $editForm = $this->createForm(PostType::class, $post);
         $deleteForm = $this->createDeleteForm($post);
 
         $editForm->handleRequest($request);
@@ -156,14 +158,14 @@ public function editAction(Post $post, Request $request)
 
             $this->addFlash('success', 'post.updated_successfully');
 
-            return $this->redirectToRoute('admin_post_edit', array('id' => $post->getId()));
+            return $this->redirectToRoute('admin_post_edit', ['id' => $post->getId()]);
         }
 
-        return $this->render('admin/blog/edit.html.twig', array(
+        return $this->render('admin/blog/edit.html.twig', [
             'post'        => $post,
             'edit_form'   => $editForm->createView(),
             'delete_form' => $deleteForm->createView(),
-        ));
+        ]);
     }
 
     /**
@@ -210,7 +212,7 @@ public function deleteAction(Request $request, Post $post)
     private function createDeleteForm(Post $post)
     {
         return $this->createFormBuilder()
-            ->setAction($this->generateUrl('admin_post_delete', array('id' => $post->getId())))
+            ->setAction($this->generateUrl('admin_post_delete', ['id' => $post->getId()]))
             ->setMethod('DELETE')
             ->getForm()
         ;

src/AppBundle/Controller/BlogController.php

@@ -21,6 +21,7 @@
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use AppBundle\Form\CommentType;
 
 /**
  * Controller used to manage blog contents in the public part of the site.
@@ -40,9 +41,9 @@ class BlogController extends Controller
      */
     public function indexAction($page)
     {
-        $posts = $this->getDoctrine()->getRepository('AppBundle:Post')->findLatest($page);
+        $posts = $this->getDoctrine()->getRepository(Post::class)->findLatest($page);
 
-        return $this->render('blog/index.html.twig', array('posts' => $posts));
+        return $this->render('blog/index.html.twig', ['posts' => $posts]);
     }
 
     /**
@@ -66,7 +67,7 @@ public function postShowAction(Post $post)
             dump($post, $this->get('security.token_storage')->getToken()->getUser(), new \DateTime());
         }
 
-        return $this->render('blog/post_show.html.twig', array('post' => $post));
+        return $this->render('blog/post_show.html.twig', ['post' => $post]);
     }
 
     /**
@@ -81,7 +82,7 @@ public function postShowAction(Post $post)
      */
     public function commentNewAction(Request $request, Post $post)
     {
-        $form = $this->createForm('AppBundle\Form\CommentType');
+        $form = $this->createForm(CommentType::class);
 
         $form->handleRequest($request);
 
@@ -95,13 +96,13 @@ public function commentNewAction(Request $request, Post $post)
             $entityManager->persist($comment);
             $entityManager->flush();
 
-            return $this->redirectToRoute('blog_post', array('slug' => $post->getSlug()));
+            return $this->redirectToRoute('blog_post', ['slug' => $post->getSlug()]);
         }
 
-        return $this->render('blog/comment_form_error.html.twig', array(
+        return $this->render('blog/comment_form_error.html.twig', [
             'post' => $post,
             'form' => $form->createView(),
-        ));
+        ]);
     }
 
     /**
@@ -118,11 +119,11 @@ public function commentNewAction(Request $request, Post $post)
      */
     public function commentFormAction(Post $post)
     {
-        $form = $this->createForm('AppBundle\Form\CommentType');
+        $form = $this->createForm(CommentType::class);
 
-        return $this->render('blog/_comment_form.html.twig', array(
+        return $this->render('blog/_comment_form.html.twig', [
             'post' => $post,
             'form' => $form->createView(),
-        ));
+        ]);
     }
 }

src/AppBundle/Controller/SecurityController.php

@@ -31,12 +31,12 @@ public function loginAction()
     {
         $helper = $this->get('security.authentication_utils');
 
-        return $this->render('security/login.html.twig', array(
+        return $this->render('security/login.html.twig', [
             // last username entered by the user (if any)
             'last_username' => $helper->getLastUsername(),
             // last authentication error (if any)
             'error' => $helper->getLastAuthenticationError(),
-        ));
+        ]);
     }
 
     /**

src/AppBundle/DataFixtures/ORM/LoadFixtures.php

@@ -58,7 +58,7 @@ private function loadUsers(ObjectManager $manager)
         $annaAdmin = new User();
         $annaAdmin->setUsername('anna_admin');
         $annaAdmin->setEmail('anna_admin@symfony.com');
-        $annaAdmin->setRoles(array('ROLE_ADMIN'));
+        $annaAdmin->setRoles(['ROLE_ADMIN']);
         $encodedPassword = $passwordEncoder->encodePassword($annaAdmin, 'kitten');
         $annaAdmin->setPassword($encodedPassword);
         $manager->persist($annaAdmin);
@@ -146,7 +146,7 @@ private function getPostContent()
 
     private function getPhrases()
     {
-        return array(
+        return [
             'Lorem ipsum dolor sit amet consectetur adipiscing elit',
             'Pellentesque vitae velit ex',
             'Mauris dapibus risus quis suscipit vulputate',
@@ -162,7 +162,7 @@ private function getPhrases()
             'Sed varius a risus eget aliquam',
             'Nunc viverra elit ac laoreet suscipit',
             'Pellentesque et sapien pulvinar consectetur',
-        );
+        ];
     }
 
     private function getRandomPostTitle()

src/AppBundle/Entity/User.php

@@ -45,7 +45,7 @@ class User implements UserInterface
     /**
      * @ORM\Column(type="json_array")
      */
-    private $roles = array();
+    private $roles = [];
 
     public function getId()
     {