/**
* Retrieve rendered contents of a controller action
*
* If the action results in a forward or redirect, returns empty string.
*
* @param string $action
* @param string $controller
* @param string $module Defaults to default module
* @param array $params
* @return string
*/
public function action($action, $controller, $module = null, array $params = array())
{
$this->resetObjects();
if (null === $module) {
$module = $this->defaultModule;
}
// clone the view object to prevent over-writing of view variables
$viewRendererObj = Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer');
Zend_Controller_Action_HelperBroker::addHelper(clone $viewRendererObj);
$this->request->setParams($params)
->setModuleName($module)
->setControllerName($controller)
->setActionName($action)
->setDispatched(true);
$this->dispatcher->dispatch($this->request, $this->response);
// reset the viewRenderer object to it's original state
Zend_Controller_Action_HelperBroker::addHelper($viewRendererObj);
if (!$this->request->isDispatched()
|| $this->response->isRedirect())
{
// forwards and redirects render nothing
return '';
}
$return = $this->response->getBody();
$this->resetObjects();
return $return;
}
