gistfile1.php

'view_helpers' => array(
    'factories' => array(
        'SimpleHelper' => function(\Zend\View\HelperPluginManager $vh) {
            $config = $vh->getServiceLocator()->get('Config');

            $simpleHelper = new \SimpleHelper();
            if ( isset($config['simple_helper']) ) {
                $simpleHelper->setConfig(($config['simple_helper']));
            }

            return $simpleHelper;
        }
    )
),