protected function checkRenderer()
{
if (is_null($this->renderer)) {
$this->renderer = new PhpRenderer();
$renderer = Registry::get('Application')->getServiceManager()->get('Zend\\View\\Renderer\\PhpRenderer');
$this->renderer->setHelperPluginManager(clone $renderer->getHelperPluginManager());
$this->renderer->setResolver(new TemplatePathStack());
}
return $this;
}