chore: add rule nullable_type_declaration_for_default_null_value (#227)

Author: rancoud

.php-cs-fixer.php

@@ -28,21 +28,22 @@
             '@all'
         ]
     ],
-    'no_php4_constructor'                   => true,
-    'no_superfluous_phpdoc_tags'            => false,
-    'no_unreachable_default_argument_value' => true,
-    'no_useless_else'                       => true,
-    'no_useless_return'                     => true,
-    'ordered_imports'                       => true,
-    'php_unit_strict'                       => true,
-    'phpdoc_order'                          => true,
-    'semicolon_after_instruction'           => true,
-    'single_import_per_statement'           => false,
-    'strict_comparison'                     => true,
-    'strict_param'                          => true,
-    'single_line_throw'                     => false,
-    'trailing_comma_in_multiline'           => false,
-    'yoda_style'                            => [
+    'no_php4_constructor'                              => true,
+    'no_superfluous_phpdoc_tags'                       => false,
+    'no_unreachable_default_argument_value'            => true,
+    'no_useless_else'                                  => true,
+    'no_useless_return'                                => true,
+    'nullable_type_declaration_for_default_null_value' => true,
+    'ordered_imports'                                  => true,
+    'php_unit_strict'                                  => true,
+    'phpdoc_order'                                     => true,
+    'semicolon_after_instruction'                      => true,
+    'single_import_per_statement'                      => false,
+    'strict_comparison'                                => true,
+    'strict_param'                                     => true,
+    'single_line_throw'                                => false,
+    'trailing_comma_in_multiline'                      => false,
+    'yoda_style'                                       => [
         'equal'            => false,
         'identical'        => false,
         'less_and_greater' => false

src/DriverManager.php

@@ -48,7 +48,7 @@ public static function useDefaultDriver(): void
      *
      * @throws SessionException
      */
-    public static function useDefaultEncryptionDriver(string $key, string $method = null): void
+    public static function useDefaultEncryptionDriver(string $key, ?string $method = null): void
     {
         static::throwExceptionIfHasStarted();
 
@@ -74,7 +74,7 @@ public static function useFileDriver(): void
      *
      * @throws SessionException
      */
-    public static function useFileEncryptionDriver(string $key, string $method = null): void
+    public static function useFileEncryptionDriver(string $key, ?string $method = null): void
     {
         static::throwExceptionIfHasStarted();
 
@@ -189,7 +189,7 @@ public static function useCurrentRedisDriver(PredisClient $redisInstance): void
      *
      * @throws SessionException
      */
-    public static function useNewRedisEncryptionDriver($configuration, string $key, string $method = null): void
+    public static function useNewRedisEncryptionDriver($configuration, string $key, ?string $method = null): void
     {
         static::throwExceptionIfHasStarted();
 
@@ -208,7 +208,7 @@ public static function useNewRedisEncryptionDriver($configuration, string $key,
      *
      * @throws SessionException
      */
-    public static function useCurrentRedisEncryptionDriver(PredisClient $redisInstance, string $key, string $method = null): void // phpcs:ignore
+    public static function useCurrentRedisEncryptionDriver(PredisClient $redisInstance, string $key, ?string $method = null): void // phpcs:ignore
     {
         static::throwExceptionIfHasStarted();
 

tests/EncryptionTest.php

@@ -69,7 +69,7 @@ public function testExceptionMethodForced(): void
             'aes-256-cbc-hmac-sha1'
         ];
 
-        $encryptionTrait = new class() {
+        $encryptionTrait = new class {
             use \Rancoud\Session\Encryption;
 
             public function setMethod(string $method): void