Upgrade coding standard

composer.json

@@ -40,7 +40,7 @@
     },
     "require-dev": {
         "ext-xdebug": "*",
-        "aplus/coding-standard": "^2.0",
+        "aplus/coding-standard": "^2.8",
         "ergebnis/composer-normalize": "^2.25",
         "jetbrains/phpstorm-attributes": "^1.0",
         "phpmd/phpmd": "^2.13",

src/FilesValidator.php

@@ -38,7 +38,7 @@ protected static function getOrganizedFiles() : array
      *
      * @return array<string,mixed>|null
      */
-    protected static function getFile(string $field) : array | null
+    protected static function getFile(string $field) : ?array
     {
         $files = static::getOrganizedFiles();
         return ArraySimple::value($field, $files);

src/Validation.php

@@ -52,7 +52,7 @@ class Validation
     /**
      * The current Validators.
      *
-     * @var array<int,string|Validator> Values are the Validators FQCN or
+     * @var array<int,Validator|string> Values are the Validators FQCN or
      * instances
      */
     protected array $validators = [];
@@ -67,10 +67,10 @@ class Validation
     /**
      * Validation constructor.
      *
-     * @param array<int,string|Validator>|null $validators
+     * @param array<int,Validator|string>|null $validators
      * @param Language|null $language
      */
-    public function __construct(array $validators = null, Language $language = null)
+    public function __construct(?array $validators = null, ?Language $language = null)
     {
         $defaultValidators = [
             Validator::class,
@@ -84,7 +84,7 @@ public function __construct(array $validators = null, Language $language = null)
         }
     }
 
-    public function setLanguage(Language $language = null) : static
+    public function setLanguage(?Language $language = null) : static
     {
         if ($language === null) {
             $language = new Language();
@@ -103,7 +103,7 @@ public function getLanguage() : Language
     }
 
     /**
-     * @return array<int,string|Validator>
+     * @return array<int,Validator|string>
      */
     public function getValidators() : array
     {
@@ -676,7 +676,7 @@ public function setDebugCollector(ValidationCollector $debugCollector) : static
         return $this;
     }
 
-    public function getDebugCollector() : ValidationCollector | null
+    public function getDebugCollector() : ?ValidationCollector
     {
         return $this->debugCollector ?? null;
     }

tests/Debug/ValidationCollectorTest.php

@@ -101,7 +101,7 @@ public static function bar(
                 string $field,
                 array $data,
                 string $str = 'foo',
-                string $null = null
+                ?string $null = null
             ) : bool {
                 return false;
             }