Supporte PHP 8.0 dans les règles.

src/Config.php

-<?php declare(strict_types=1);
+<?php
+declare(strict_types=1);
 /*
  * irstea/php-cs-fixer-config - Jeux de règles pour php-cs-fixer.
  * Copyright (C) 2018-2020 IRSTEA
@@ -74,19 +75,30 @@ final class Config extends PhpCsFixerConfig
     private function ruleSets(float $phpVersion, bool $risky): array
     {
         $sets = [
-            '@PSR2'                 => true,
-            '@Symfony'              => true,
-            '@Symfony:risky'        => $risky,
-            '@PHP56Migration'       => true,
-            '@PHP56Migration:risky' => $risky,
-            '@PHP70Migration'       => true,
-            '@PHP70Migration:risky' => $risky,
-            '@PHP71Migration'       => true,
-            '@PHP71Migration:risky' => $risky,
+            '@PSR2'                  => true,
+            '@PSR12'                 => true,
+            '@Symfony'               => true,
+            '@Symfony:risky'         => $risky,
         ];
 
-        if ($phpVersion >= 7.3) {
+        if ($phpVersion >= 8.0) {
+            $sets['@PHP80Migration'] = true;
+        } elseif ($phpVersion >= 7.4) {
+            $sets['@PHP74Migration'] = true;
+            $sets['@PHP74Migration:risky'] = $risky;
+        } elseif ($phpVersion >= 7.3) {
             $sets['@PHP73Migration'] = true;
+        } elseif ($phpVersion >= 7.1) {
+            $sets['@PHP71Migration'] = true;
+            $sets['@PHP71Migration:risky'] = $risky;
+        } elseif ($phpVersion >= 7.0) {
+            $sets['@PHP70Migration'] = true;
+            $sets['@PHP70Migration:risky'] = $risky;
+        } elseif ($phpVersion >= 5.6) {
+            $sets['@PHP56Migration'] = true;
+            $sets['@PHP56Migration:risky'] = $risky;
+        } elseif ($phpVersion >= 5.4) {
+            $sets['@PHP54Migration'] = true;
         }
 
         return $sets;
@@ -101,6 +113,7 @@ final class Config extends PhpCsFixerConfig
             'concat_space'                              => ['spacing' => 'one'],
             'method_argument_space'                     => ['ensure_fully_multiline' => true],
             'declare_strict_types'                      => $phpVersion >= 7.0,
+            'blank_line_after_opening_tag'              => false,
 
             // Safe
             'align_multiline_comment'                   => true,