serialize(\PHP_VERSION_ID < 70400 ? new OpisSerializableClosure($callable) : new SerializableClosure($callable) )]; $parameters = RouteSignatureParameters::fromAction($action); $this->assertContainsOnlyInstancesOf(ReflectionParameter::class, $parameters); $this->assertSame('user', $parameters[0]->getName()); } } class SignatureParametersUser extends Model { // }