From dae57592229d313b59414a2c8334e61e6eb00928 Mon Sep 17 00:00:00 2001
From: Niklas Keller <me@kelunik.com>
Date: Thu, 4 Mar 2021 21:26:52 +0100
Subject: [PATCH] Fix error for non-class types on PHP 8

---
 lib/StandardReflector.php | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/StandardReflector.php b/lib/StandardReflector.php
index 6d532c5..17ae1ef 100644
--- a/lib/StandardReflector.php
+++ b/lib/StandardReflector.php
@@ -27,15 +27,21 @@ public function getParamTypeHint(\ReflectionFunctionAbstract $function, \Reflect
     {
         // php 8 deprecates getClass method
         if (PHP_VERSION_ID >= 80000) {
-            $reflectionClass = $param->getType() ? (string) $param->getType() : null;
+            $type = $param->getType();
+            if ($type instanceof \ReflectionNamedType && $type->isBuiltin()) {
+                return null;
+            }
+
+            return $type ? (string) $type : null;
         } else {
             /** @var ?\ReflectionClass $reflectionClass */
             $reflectionClass = $param->getClass();
             if ($reflectionClass) {
-                $reflectionClass = $reflectionClass->getName();
+                return $reflectionClass->getName();
             }
+
+            return null;
         }
-        return $reflectionClass ?? null;
     }
 
     public function getFunction($functionName)