Add(linting) Add code linting to GitHub workflow, use php-cs-fixer

.github/workflows/lint.yml

@@ -0,0 +1,31 @@
+name: "Code Linting"
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  php-cs-fixer:
+    name: 'PHP-CS-Fixer'
+    runs-on: 'ubuntu-latest'
+    steps:
+      - uses: 'actions/checkout@v3'
+
+      - name: 'Setup PHP'
+        uses: 'shivammathur/setup-php@v2'
+        with:
+          php-version: '8.1'
+          tools: php-cs-fixer, cs2pr
+
+      - uses: 'actions/cache@v3'
+        with:
+          path: '.php-cs-fixer.cache'
+          key: '${{ github.repository }}-8.1-phpcsfixer-${{ github.ref_name }}'
+          restore-keys: |
+            ${{ github.repository }}-8.1-phpcsfixer-main
+            ${{ github.repository }}-8.1-phpcsfixer-
+
+      - name: 'Run PHP-CS-Fixer'
+        # Using cs2pr settings, see: https://github.com/shivammathur/setup-php#tools-with-checkstyle-support
+        run: 'php-cs-fixer fix --dry-run --format checkstyle | cs2pr'

.gitignore

@@ -6,3 +6,4 @@
 lib/plugins/sfDoctrinePlugin/test/functional/fixtures/log/
 /vendor
 /composer.lock
+.php-cs-fixer.cache

.php-cs-fixer.dist.php

@@ -0,0 +1,29 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->ignoreVCSIgnored(true)
+    ->in(__DIR__.'/lib')
+    ->in(__DIR__.'/data/bin')
+    ->in(__DIR__.'/test')
+    ->append(array(__FILE__))
+    // Exclude PHP classes templates/generators, which are not valid PHP files
+    ->exclude('task/generator/skeleton/')
+    ->exclude('plugins/sfDoctrinePlugin/data/generator/')
+    // Exclude generated files (single files)
+    ->notPath('unit/config/fixtures/sfDefineEnvironmentConfigHandler/prefix_result.php')
+    ->notPath('unit/config/fixtures/sfFilterConfigHandler/result.php')
+;
+
+$config = new PhpCsFixer\Config();
+$config->setRules(array(
+    '@PhpCsFixer' => true,
+    '@Symfony' => true,
+    'array_syntax' => array(
+        'syntax' => 'long',
+    ),
+))
+    ->setCacheFile('.php-cs-fixer.cache')
+    ->setFinder($finder)
+;
+
+return $config;