configure formatting with php-cs-fixer

.gitignore

@@ -19,3 +19,8 @@
 .phpunit.result.cache
 /phpunit.xml
 ###< symfony/phpunit-bridge ###
+
+###> friendsofphp/php-cs-fixer ###
+/.php-cs-fixer.php
+/.php-cs-fixer.cache
+###< friendsofphp/php-cs-fixer ###

.php-cs-fixer.dist.php

@@ -0,0 +1,13 @@
+<?php
+
+$finder = (new PhpCsFixer\Finder())
+    ->in(__DIR__)
+    ->exclude('var')
+;
+
+return (new PhpCsFixer\Config())
+    ->setRules([
+        '@Symfony' => true,
+    ])
+    ->setFinder($finder)
+;

composer.json

@@ -93,6 +93,7 @@
         }
     },
     "require-dev": {
+        "friendsofphp/php-cs-fixer": "^3.50",
         "phpunit/phpunit": "^9.5",
         "symfony/browser-kit": "6.2.*",
         "symfony/css-selector": "6.2.*",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "24fab26692524d95cb0fec16c9be8ea6",
+    "content-hash": "c241853e026884d05d25f49b85867c16",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -7850,6 +7850,98 @@
             ],
             "time": "2022-12-24T12:35:10+00:00"
         },
+        {
+            "name": "friendsofphp/php-cs-fixer",
+            "version": "v3.50.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer.git",
+                "reference": "dbea11dcb6d9a1f6c8d51c0e580ab4a8876f524c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/dbea11dcb6d9a1f6c8d51c0e580ab4a8876f524c",
+                "reference": "dbea11dcb6d9a1f6c8d51c0e580ab4a8876f524c",
+                "shasum": ""
+            },
+            "require": {
+                "composer/semver": "^3.4",
+                "composer/xdebug-handler": "^3.0.3",
+                "ext-filter": "*",
+                "ext-json": "*",
+                "ext-tokenizer": "*",
+                "php": "^7.4 || ^8.0",
+                "sebastian/diff": "^4.0 || ^5.0 || ^6.0",
+                "symfony/console": "^5.4 || ^6.0 || ^7.0",
+                "symfony/event-dispatcher": "^5.4 || ^6.0 || ^7.0",
+                "symfony/filesystem": "^5.4 || ^6.0 || ^7.0",
+                "symfony/finder": "^5.4 || ^6.0 || ^7.0",
+                "symfony/options-resolver": "^5.4 || ^6.0 || ^7.0",
+                "symfony/polyfill-mbstring": "^1.28",
+                "symfony/polyfill-php80": "^1.28",
+                "symfony/polyfill-php81": "^1.28",
+                "symfony/process": "^5.4 || ^6.0 || ^7.0",
+                "symfony/stopwatch": "^5.4 || ^6.0 || ^7.0"
+            },
+            "require-dev": {
+                "facile-it/paraunit": "^1.3 || ^2.0",
+                "justinrainbow/json-schema": "^5.2",
+                "keradus/cli-executor": "^2.1",
+                "mikey179/vfsstream": "^1.6.11",
+                "php-coveralls/php-coveralls": "^2.7",
+                "php-cs-fixer/accessible-object": "^1.1",
+                "php-cs-fixer/phpunit-constraint-isidenticalstring": "^1.4",
+                "php-cs-fixer/phpunit-constraint-xmlmatchesxsd": "^1.4",
+                "phpunit/phpunit": "^9.6 || ^10.5.5 || ^11.0.2",
+                "symfony/var-dumper": "^5.4 || ^6.0 || ^7.0",
+                "symfony/yaml": "^5.4 || ^6.0 || ^7.0"
+            },
+            "suggest": {
+                "ext-dom": "For handling output formats in XML",
+                "ext-mbstring": "For handling non-UTF8 characters."
+            },
+            "bin": [
+                "php-cs-fixer"
+            ],
+            "type": "application",
+            "autoload": {
+                "psr-4": {
+                    "PhpCsFixer\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Dariusz Rumiński",
+                    "email": "dariusz.ruminski@gmail.com"
+                }
+            ],
+            "description": "A tool to automatically fix PHP code style",
+            "keywords": [
+                "Static code analysis",
+                "fixer",
+                "standards",
+                "static analysis"
+            ],
+            "support": {
+                "issues": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/issues",
+                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.50.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/keradus",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-02-23T23:17:45+00:00"
+        },
         {
             "name": "masterminds/html5",
             "version": "2.8.1",

symfony.lock

@@ -35,6 +35,18 @@
             "migrations/.gitignore"
         ]
     },
+    "friendsofphp/php-cs-fixer": {
+        "version": "3.50",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "main",
+            "version": "3.0",
+            "ref": "be2103eb4a20942e28a6dd87736669b757132435"
+        },
+        "files": [
+            ".php-cs-fixer.dist.php"
+        ]
+    },
     "phpunit/phpunit": {
         "version": "9.6",
         "recipe": {