Fix PHP 8.4 deprecation: Implicitly marking parameter (#72)

aws · Feb 25, 2025 · 80850e8 · 80850e8
1 parent 3cee0fc
commit 80850e8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/MessageValidator.php b/src/MessageValidator.php
@@ -62,7 +62,7 @@ private static function convertLambdaMessage(Message $lambdaMessage)
      * @param string $hostNamePattern
      */
     public function __construct(
-        callable $certClient = null,
+        ?callable $certClient = null,
         $hostNamePattern = ''
     ) {
         $this->certClient = $certClient ?: function($certUrl) {