Update PHPStan

Author: dktapps

composer.json

@@ -14,9 +14,9 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.0 || ^10.0 || ^11.0",
-    "phpstan/phpstan": "~1.10.3",
+    "phpstan/phpstan": "2.1.0",
     "phpstan/extension-installer": "^1.0",
-    "phpstan/phpstan-strict-rules": "^1.0"
+    "phpstan/phpstan-strict-rules": "^2.0"
   },
   "replace": {
     "daverandom/callback-validator": "*"

src/CallbackType.php

@@ -2,6 +2,9 @@
 
 namespace DaveRandom\CallbackValidator;
 
+use function is_object;
+use function is_string;
+
 final class CallbackType
 {
     /**
@@ -30,7 +33,12 @@ private static function reflectCallable($target)
             return new \ReflectionFunction($target);
         }
 
-        if (\is_array($target) && isset($target[0], $target[1])) {
+        if (
+            \is_array($target) &&
+            isset($target[0], $target[1]) &&
+            (is_object($target[0]) || is_string($target[0])) &&
+            is_string($target[1])
+        ) {
             return new \ReflectionMethod($target[0], $target[1]);
         }