index.phpというファイルにこんな感じで書く


$front = Zend_Controller_Front::getInstance();

$router = $front->getRouter();
$request = new Zend_Controller_Request_Http();

$router->addRoute('index',
new Zend_Controller_Router_Route('',
array(
'module' => 'default',
'controller' => 'index',
'action' => $request->getParam('action'),
)
)
);

$front->dispatch();