Change namespace from App to Acme\App to better comply with PSR-4

2.1 The fully qualified class name MUST have a top-level namespace name,
    also known as a “vendor namespace”.

https://www.php-fig.org/psr/psr-4/

bin/console

@@ -1,7 +1,7 @@
 #!/usr/bin/env php
 <?php
 
-use App\Kernel;
+use Acme\App\Kernel;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Debug\Debug;

composer.json

@@ -55,12 +55,12 @@
     },
     "autoload": {
         "psr-4": {
-            "App\\": "src/"
+            "Acme\\App\\": "src/"
         }
     },
     "autoload-dev": {
         "psr-4": {
-            "App\\Tests\\": "tests/"
+            "Acme\\App\\Tests\\": "tests/"
         }
     },
     "scripts": {

config/packages/doctrine.yaml

@@ -20,5 +20,5 @@ doctrine:
                 is_bundle: false
                 type: annotation
                 dir: '%kernel.project_dir%/src/Entity'
-                prefix: 'App\Entity'
+                prefix: 'Acme\App\Entity'
                 alias: App

config/packages/doctrine_migrations.yaml

@@ -1,5 +1,5 @@
 doctrine_migrations:
     dir_name: '%kernel.project_dir%/src/Migrations'
-    # namespace is arbitrary but should be different from App\Migrations
+    # namespace is arbitrary but should be different from Acme\App\Migrations
     # as migrations classes should NOT be autoloaded
     namespace: DoctrineMigrations

config/packages/security.yaml

@@ -2,15 +2,15 @@ security:
     encoders:
         # Our user class and the algorithm we'll use to encode passwords
         # https://symfony.com/doc/current/security.html#c-encoding-the-user-s-password
-        App\Entity\User: bcrypt
+        Acme\App\Entity\User: bcrypt
 
     providers:
         # https://symfony.com/doc/current/security.html#b-configuring-how-users-are-loaded
         # In this example, users are stored via Doctrine in the database
         # To see the users at src/App/DataFixtures/ORM/LoadFixtures.php
         # To load users from somewhere else: https://symfony.com/doc/current/security/custom_provider.html
         database_users:
-            entity: { class: App\Entity\User, property: username }
+            entity: { class: Acme\App\Entity\User, property: username }
 
     # https://symfony.com/doc/current/security.html#initial-security-yml-setup-authentication
     firewalls:

config/packages/test/security.yaml

@@ -4,7 +4,7 @@ security:
     encoders:
         # to make tests much faster, BCrypt cost is changed to its minimum allowed value (4)
         # See https://symfony.com/doc/current/reference/configuration/security.html#using-the-bcrypt-password-encoder
-        App\Entity\User: { algorithm: bcrypt, cost: 4 }
+        Acme\App\Entity\User: { algorithm: bcrypt, cost: 4 }
 
     firewalls:
         main:

config/services.yaml

@@ -24,13 +24,13 @@ services:
 
     # makes classes in src/ available to be used as services
     # this creates a service per class whose id is the fully-qualified class name
-    App\:
+    Acme\App\:
         resource: '../src/*'
         # you can exclude directories or files
         # but if a service is unused, it's removed anyway
         exclude: '../src/{Entity,Migrations,Tests}'
 
     # when the service definition only contains arguments, you can omit the
     # 'arguments' key and define the arguments just below the service class
-    App\EventSubscriber\CommentNotificationSubscriber:
+    Acme\App\EventSubscriber\CommentNotificationSubscriber:
         $sender: '%app.notifications.email_sender%'

phpunit.xml.dist

@@ -9,7 +9,7 @@
 >
     <php>
         <ini name="error_reporting" value="-1" />
-        <env name="KERNEL_CLASS" value="App\Kernel" />
+        <env name="KERNEL_CLASS" value="Acme\App\Kernel" />
         <env name="APP_ENV" value="test"/>
         <env name="APP_DEBUG" value="1"/>
         <env name="APP_SECRET" value="5a79a1c866efef9ca1800f971d689f3e"/>

public/index.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-use App\Kernel;
+use Acme\App\Kernel;
 use Symfony\Component\Debug\Debug;
 use Symfony\Component\Dotenv\Dotenv;
 use Symfony\Component\HttpFoundation\Request;

src/Command/AddUserCommand.php

@@ -9,11 +9,11 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Command;
+namespace Acme\App\Command;
 
-use App\Entity\User;
-use App\Repository\UserRepository;
-use App\Utils\Validator;
+use Acme\App\Entity\User;
+use Acme\App\Repository\UserRepository;
+use Acme\App\Utils\Validator;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\RuntimeException;

src/Command/DeleteUserCommand.php

@@ -9,11 +9,11 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Command;
+namespace Acme\App\Command;
 
-use App\Entity\User;
-use App\Repository\UserRepository;
-use App\Utils\Validator;
+use Acme\App\Entity\User;
+use Acme\App\Repository\UserRepository;
+use Acme\App\Utils\Validator;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\RuntimeException;

src/Command/ListUsersCommand.php

@@ -9,10 +9,10 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Command;
+namespace Acme\App\Command;
 
-use App\Entity\User;
-use App\Repository\UserRepository;
+use Acme\App\Entity\User;
+use Acme\App\Repository\UserRepository;
 use Swift_Mailer;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;

src/Controller/Admin/BlogController.php

@@ -9,12 +9,12 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Controller\Admin;
+namespace Acme\App\Controller\Admin;
 
-use App\Entity\Post;
-use App\Form\PostType;
-use App\Repository\PostRepository;
-use App\Utils\Slugger;
+use Acme\App\Entity\Post;
+use Acme\App\Form\PostType;
+use Acme\App\Repository\PostRepository;
+use Acme\App\Utils\Slugger;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;

src/Controller/BlogController.php

@@ -9,13 +9,13 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Controller;
+namespace Acme\App\Controller;
 
-use App\Entity\Comment;
-use App\Entity\Post;
-use App\Events;
-use App\Form\CommentType;
-use App\Repository\PostRepository;
+use Acme\App\Entity\Comment;
+use Acme\App\Entity\Post;
+use Acme\App\Events;
+use Acme\App\Form\CommentType;
+use Acme\App\Repository\PostRepository;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Cache;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;

src/Controller/SecurityController.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Controller;
+namespace Acme\App\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Response;

src/DataFixtures/AppFixtures.php

@@ -9,13 +9,13 @@
  * file that was distributed with this source code.
  */
 
-namespace App\DataFixtures;
+namespace Acme\App\DataFixtures;
 
-use App\Entity\Comment;
-use App\Entity\Post;
-use App\Entity\Tag;
-use App\Entity\User;
-use App\Utils\Slugger;
+use Acme\App\Entity\Comment;
+use Acme\App\Entity\Post;
+use Acme\App\Entity\Tag;
+use Acme\App\Entity\User;
+use Acme\App\Utils\Slugger;
 use Doctrine\Bundle\FixturesBundle\Fixture;
 use Doctrine\Common\Persistence\ObjectManager;
 use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;

src/Entity/Comment.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Entity;
+namespace Acme\App\Entity;
 
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -71,7 +71,7 @@ class Comment
     /**
      * @var User
      *
-     * @ORM\ManyToOne(targetEntity="App\Entity\User")
+     * @ORM\ManyToOne(targetEntity="Acme\App\Entity\User")
      * @ORM\JoinColumn(nullable=false)
      */
     private $author;

src/Entity/Post.php

@@ -9,15 +9,15 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Entity;
+namespace Acme\App\Entity;
 
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
- * @ORM\Entity(repositoryClass="App\Repository\PostRepository")
+ * @ORM\Entity(repositoryClass="Acme\App\Repository\PostRepository")
  * @ORM\Table(name="symfony_demo_post")
  *
  * Defines the properties of the Post entity to represent the blog posts.
@@ -93,7 +93,7 @@ class Post
     /**
      * @var User
      *
-     * @ORM\ManyToOne(targetEntity="App\Entity\User")
+     * @ORM\ManyToOne(targetEntity="Acme\App\Entity\User")
      * @ORM\JoinColumn(nullable=false)
      */
     private $author;
@@ -114,7 +114,7 @@ class Post
     /**
      * @var Tag[]|ArrayCollection
      *
-     * @ORM\ManyToMany(targetEntity="App\Entity\Tag", cascade={"persist"})
+     * @ORM\ManyToMany(targetEntity="Acme\App\Entity\Tag", cascade={"persist"})
      * @ORM\JoinTable(name="symfony_demo_post_tag")
      * @ORM\OrderBy({"name": "ASC"})
      * @Assert\Count(max="4", maxMessage="post.too_many_tags")

src/Entity/Tag.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Entity;
+namespace Acme\App\Entity;
 
 use Doctrine\ORM\Mapping as ORM;
 

src/Entity/User.php

@@ -9,13 +9,13 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Entity;
+namespace Acme\App\Entity;
 
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Security\Core\User\UserInterface;
 
 /**
- * @ORM\Entity(repositoryClass="App\Repository\UserRepository")
+ * @ORM\Entity(repositoryClass="Acme\App\Repository\UserRepository")
  * @ORM\Table(name="symfony_demo_user")
  *
  * Defines the properties of the User entity to represent the application users.

src/EventSubscriber/CheckRequirementsSubscriber.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace App\EventSubscriber;
+namespace Acme\App\EventSubscriber;
 
 use Doctrine\DBAL\Exception\DriverException;
 use Doctrine\ORM\EntityManagerInterface;

src/EventSubscriber/CommentNotificationSubscriber.php

@@ -9,10 +9,10 @@
  * file that was distributed with this source code.
  */
 
-namespace App\EventSubscriber;
+namespace Acme\App\EventSubscriber;
 
-use App\Entity\Comment;
-use App\Events;
+use Acme\App\Entity\Comment;
+use Acme\App\Events;
 use Swift_Mailer;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\EventDispatcher\GenericEvent;

src/EventSubscriber/ControllerSubscriber.php

@@ -9,9 +9,9 @@
  * file that was distributed with this source code.
  */
 
-namespace App\EventSubscriber;
+namespace Acme\App\EventSubscriber;
 
-use App\Twig\SourceCodeExtension;
+use Acme\App\Twig\SourceCodeExtension;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
 use Symfony\Component\HttpKernel\KernelEvents;

src/EventSubscriber/RedirectToPreferredLocaleSubscriber.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace App\EventSubscriber;
+namespace Acme\App\EventSubscriber;
 
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;

src/Events.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace App;
+namespace Acme\App;
 
 /**
  * This class defines the names of all the events dispatched in

src/Form/CommentType.php

@@ -9,9 +9,9 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Form;
+namespace Acme\App\Form;
 
-use App\Entity\Comment;
+use Acme\App\Entity\Comment;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;

src/Form/DataTransformer/TagArrayToStringTransformer.php

@@ -9,9 +9,9 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Form\DataTransformer;
+namespace Acme\App\Form\DataTransformer;
 
-use App\Entity\Tag;
+use Acme\App\Entity\Tag;
 use Doctrine\Common\Persistence\ObjectManager;
 use Symfony\Component\Form\DataTransformerInterface;
 
@@ -71,7 +71,7 @@ public function reverseTransform($string): array
             $tags[] = $tag;
 
             // There's no need to persist these new tags because Doctrine does that automatically
-            // thanks to the cascade={"persist"} option in the App\Entity\Post::$tags property.
+            // thanks to the cascade={"persist"} option in the Acme\App\Entity\Post::$tags property.
         }
 
         // Return an array of tags to transform them back into a Doctrine Collection.

src/Form/PostType.php

@@ -9,11 +9,11 @@
  * file that was distributed with this source code.
  */
 
-namespace App\Form;
+namespace Acme\App\Form;
 
-use App\Entity\Post;
-use App\Form\Type\DateTimePickerType;
-use App\Form\Type\TagsInputType;
+use Acme\App\Entity\Post;
+use Acme\App\Form\Type\DateTimePickerType;
+use Acme\App\Form\Type\TagsInputType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
 use Symfony\Component\Form\FormBuilderInterface;