improve code

.php-cs-fixer.php

@@ -4,9 +4,25 @@ $finder = PhpCsFixer\Finder::create()
     ->in(__DIR__)
 ;
 
+$fileHeaderComment = <<<EOF
+For the full copyright and license information, please view the LICENSE
+file that was distributed with this source code.
+
+https://www.d3data.de
+
+@copyright (C) D3 Data Development (Inh. Thomas Dartsch)
+@author    D3 Data Development - Daniel Seifert <info@shopmodule.com>
+@link      https://www.oxidmodule.com
+EOF;
+
 $config = new PhpCsFixer\Config();
 return $config->setRules([
-        '@PHP73Migration' => true,
+         'header_comment'    => [
+             'header' => $fileHeaderComment,
+             'comment_type' => 'PHPDoc',
+             'location' => 'after_open'
+         ],
+        '@PHP80Migration' => true,
         '@PSR12' => true
     ])
     ->setFinder($finder)

Application/Model/DmarcResult.php

@@ -21,8 +21,8 @@ class DmarcResult
     public const MISSING   = 'missing';
     public const ERROR     = 'error';
 
-    protected $status;
-    protected $record;
+    protected string $status;
+    protected ?string $record;
 
     public function __construct(string $status, ?string $record = null)
     {

composer.json

@@ -39,7 +39,6 @@
     "beberlei/assert": "^3.3"
   },
   "require-dev": {
-    "php": "^8",
     "friendsofphp/php-cs-fixer": "^3.9",
     "phpstan/phpstan": "^1.8",
     "boxblinkracer/phpunuhi": "^1.12"
@@ -50,6 +49,7 @@
     }
   },
   "scripts": {
+      "php-cs-fixer": "./vendor/bin/php-cs-fixer fix --config=vendor/d3/mailconfigchecker/.php-cs-fixer.php",
       "phpstan": "./vendor/bin/phpstan --configuration=./vendor/d3/mailconfigchecker/phpstan.neon",
       "phpunuhi": "./vendor/bin/phpunuhi --configuration=vendor/d3/mailconfigchecker/phpunuhi.xml validate"
   }