nodeTypeResolver = $nodeTypeResolver; } public function hasForbiddenType(Property $property) : bool { $propertyType = $this->nodeTypeResolver->getType($property); if ($propertyType instanceof NullType) { return \true; } if ($this->isForbiddenType($propertyType)) { return \true; } if (!$propertyType instanceof UnionType) { return \false; } $types = $propertyType->getTypes(); foreach ($types as $type) { if ($this->isForbiddenType($type)) { return \true; } } return \false; } private function isForbiddenType(Type $type) : bool { if ($type instanceof NonExistingObjectType) { return \true; } return $this->isCallableType($type); } private function isCallableType(Type $type) : bool { if ($type instanceof TypeWithClassName && $type->getClassName() === 'Closure') { return \false; } return $type instanceof CallableType; } }