Upgrade ECS to v12.1

New config syntax.
'common' no longer includes 'strict'.

composer.json

@@ -14,7 +14,7 @@
     "require-dev": {
         "ext-zip": "*",
         "phpunit/phpunit": "^9",
-        "symplify/easy-coding-standard": "^11"
+        "symplify/easy-coding-standard": "^12"
     },
     "autoload": {
         "psr-4": {

ecs.php

@@ -3,26 +3,33 @@
 declare(strict_types=1);
 
 use Symplify\EasyCodingStandard\Config\ECSConfig;
-use Symplify\EasyCodingStandard\ValueObject\Option;
 use Symplify\EasyCodingStandard\ValueObject\Set\SetList;
 
-return static function (ECSConfig $ecsConfig): void {
-    $ecsConfig->paths([
+return ECSConfig::configure()
+    ->withPaths([
         __DIR__ . '/src',
         __DIR__ . '/tests',
-    ]);
+    ])
 
-    $ecsConfig->sets([
+    ->withSets([
         SetList::COMMON,
         SetList::PSR_12,
-    ]);
+        SetList::STRICT,
+    ])
 
-    $ecsConfig->skip([
+    ->withSkip([
         // Remove sniff, from common/control-structures
         \PhpCsFixer\Fixer\ClassNotation\OrderedClassElementsFixer::class,
 
         // Remove sniff, from common/spaces
         \PhpCsFixer\Fixer\Operator\NotOperatorWithSuccessorSpaceFixer::class,
         \PhpCsFixer\Fixer\CastNotation\CastSpacesFixer::class,
-    ]);
-};
+    ])
+
+    // PER Coding Style 7.1: "The `fn` keyword MUST NOT be succeeded by a space."
+    ->withConfiguredRule(
+        \PhpCsFixer\Fixer\FunctionNotation\FunctionDeclarationFixer::class,
+        [
+            'closure_fn_spacing' => 'none',
+        ]
+    );

src/Csv.php

@@ -162,7 +162,7 @@ public function key(): ?int
 
     public function valid(): bool
     {
-        return ($this->current !== false);
+        return $this->current !== false;
     }
 
     public function rewind(): void