fix: ensure native mixed types remain valid

romm · Feb 16, 2022 · 18ccbeb · 18ccbeb
1 parent 1b80a1d
commit 18ccbeb
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/src/Utility/Reflection/Reflection.php b/src/Utility/Reflection/Reflection.php
@@ -81,7 +81,7 @@ public static function flattenType(ReflectionType $type): string
         /** @var ReflectionNamedType $type */
         $name = $type->getName();
 
-        if ($name !== 'null' && $type->allowsNull()) {
+        if ($name !== 'null' && $type->allowsNull() && $name !== 'mixed') {
             return $name . '|null';
         }
 

diff --git a/tests/Unit/Utility/Reflection/ReflectionTest.php b/tests/Unit/Utility/Reflection/ReflectionTest.php
@@ -105,6 +105,20 @@ public function test_union_type_is_handled(): void
         self::assertSame('int|float', Reflection::flattenType($type));
     }
 
+    /**
+     * @requires PHP >= 8
+     */
+    public function test_mixed_type_is_handled(): void
+    {
+        $object = new class () {
+            public mixed $someProperty;
+        };
+
+        /** @var ReflectionType $type */
+        $type = (new ReflectionProperty($object, 'someProperty'))->getType();
+        self::assertSame('mixed', Reflection::flattenType($type));
+    }
+
     /**
      * @requires PHP >= 8.1
      */