old-town / workflow-zf2

            $workflowManagerName = $managerOptions->getName();

            $workflowManager = null;

            if ($serviceLocator->has($workflowManagerName)) {

                $workflowManager = $serviceLocator->get($workflowManagerName);

            } elseif (class_exists($workflowManagerName)) {

                $r = new \ReflectionClass($workflowManagerName);

                $workflowManager = $r->newInstance($r);

            }

            if (!$workflowManager instanceof WorkflowInterface) {

                $errMsg = sprintf('Workflow not implements %s', WorkflowInterface::class);

        $resolverServiceName = $config->getResolver();

        $resolver = null;

        if ($resolverServiceName) {

            if ($serviceLocator->has($resolverServiceName)) {

                $resolver = $serviceLocator->get($resolverServiceName);

            } elseif (class_exists($resolverServiceName)) {

                $r = new \ReflectionClass($resolverServiceName);

                $resolver = $r->newInstance();

            }

            if (!$resolver instanceof VariableResolverInterface) {

                $errMsg = sprintf('Resolver not implements %s', VariableResolverInterface::class);

        $factory = null;

        if ($config->hasFactoryOptions()) {

            $factoryServiceName = $config->getFactoryOptions()->getName();

            if ($serviceLocator->has($factoryServiceName)) {

                $factory = $serviceLocator->get($factoryServiceName);

            } elseif (class_exists($resolverServiceName)) {

                $r = new \ReflectionClass($factoryServiceName);

                $factory = $r->newInstance();

            }

            if (!$factory instanceof WorkflowFactoryInterface) {

                $errMsg = sprintf('Factory not implements %s', WorkflowFactoryInterface::class);