Fix the nullable parameter declarations for compatibility with PHP 8.4 (#148)

Author: martio

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Enh #131: Throw `InvalidArgumentException` when missed "one" plural key (@vjik) 
 - Bug #132: Fix incorrect locale usage when category source is not exist and specified fallback locale (@vjik)
+- Bug #148: Fix the nullable parameter declarations for compatibility with PHP 8.4 (@martio)
 
 ## 3.0.0 February 17, 2023
 

src/Translator.php

@@ -72,8 +72,8 @@ public function getLocale(): string
     public function translate(
         string|Stringable $id,
         array $parameters = [],
-        string $category = null,
-        string $locale = null
+        ?string $category = null,
+        ?string $locale = null
     ): string {
         $locale ??= $this->locale;
 

src/TranslatorInterface.php

@@ -46,8 +46,8 @@ public function getLocale(): string;
     public function translate(
         string|Stringable $id,
         array $parameters = [],
-        string $category = null,
-        string $locale = null
+        ?string $category = null,
+        ?string $locale = null
     ): string;
 
     /**