Applique la config à son propre code et vérifie en CI.

.php_cs.dist

+<?php declare(strict_types = 1);
+
+$finder = PhpCsFixer\Finder::create()
+    ->exclude('vendor')
+    ->files()
+    ->name('*.php')
+    ->name('.php_cs.dist')
+    ->in('.');
+
+return Irstea\CS\Config::create()
+    ->setRiskyAllowed(true)
+    ->setIndent('    ')
+    ->setLineEnding("\n")
+    ->setFinder($finder);

composer.json

@@ -44,5 +44,8 @@
     "exclude": [
       ".?*"
     ]
+  },
+  "scripts": {
+    "test": "vendor/bin/php-cs-fixer fix --dry-run --verbose"
   }
 }