cross-solution / YAWIK

    {

        /* @var \Zend\EventManager\EventManagerInterface|\Core\EventManager\EventProviderInterface $events */

        if ($services->has($config['service'])) {

            $events = $services->get($config['service']);

        } else {

            if (!class_exists($config['service'], true)) {

                throw new \UnexpectedValueException(sprintf(

                    'Class or service %s does not exists. Cannot create event manager instance.', $config['service']

                ));

            }

            $events = new $config['service']();

        }

        if (false === $config['configure']) {

            return $events;

                continue;

            }

            if ($services->has($options['service'])) {

                $listener = $services->get($options['service']);

            } else if (class_exists($options['service'], true)) {

                $listener = new $options['service']();

            } else {

                throw new \UnexpectedValueException(sprintf(

                                                        'Class or service %s does not exists. Cannot create listener instance.', $options['service']

                                                    ));

            }

            if ($listener instanceOf ListenerAggregateInterface) {

                $listener->attach($eventManager, $options['priority']);