PHP 8.1 upgrades

Author: BenMorel

src/ImportResolver.php

@@ -21,7 +21,7 @@
  */
 class ImportResolver
 {
-    private string $namespace;
+    private readonly string $namespace;
 
     /**
      * @var array<string, string>
@@ -95,7 +95,7 @@ private function invalidArgumentException(string $inferring, Reflector $reflecto
         return new InvalidArgumentException(sprintf(
             'Cannot infer the %s from the given %s',
             $inferring,
-            get_class($reflector)
+            $reflector::class
         ));
     }
 

src/ReflectionTools.php

@@ -254,7 +254,7 @@ private function exportType(ReflectionType $type, bool $inUnion = false): string
         }
 
         if (! $type instanceof ReflectionNamedType) {
-            throw new Exception('Unsupported ReflectionType class: ' . get_class($type));
+            throw new Exception('Unsupported ReflectionType class: ' . $type::class);
         }
 
         $result = '';