Intersection types

src/Reflection/ReflectionIntersectionType.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Roave\BetterReflection\Reflection;
+
+use PhpParser\Node\IntersectionType;
+
+use function array_map;
+use function implode;
+
+class ReflectionIntersectionType extends ReflectionType
+{
+    /** @var list<ReflectionNamedType> */
+    private array $types;
+
+    public function __construct(IntersectionType $type, bool $allowsNull)
+    {
+        parent::__construct($allowsNull);
+        $this->types = array_filter(
+            array_map(static fn ($type): ReflectionNamedType|ReflectionUnionType|ReflectionIntersectionType => ReflectionType::createFromTypeAndReflector($type), $type->types),
+            static fn (ReflectionNamedType|ReflectionUnionType|ReflectionIntersectionType $type): bool => $type instanceof ReflectionNamedType,
+        );
+    }
+
+    /**
+     * @return list<ReflectionNamedType>
+     */
+    public function getTypes(): array
+    {
+        return $this->types;
+    }
+
+    public function __toString(): string
+    {
+        return implode('&', array_map(static fn (ReflectionType $type): string => (string) $type, $this->types));
+    }
+}