$routes['blog'] = new Zend_Controller_Router_Route(
	'blog/:year/:month/:day/:title/*',
	array(
		'year'       => date('Y'),
		'month'      => date('m'),
		'day'        => date('d'),
		'module'     => 'blog',
		'controller' => 'index',
		'action'     => 'archive'
	),
	array(
		'year'  => '\d+',
		'month' => '\d+',
		'day'   => '\d+',
		'title' => '([0-9a-zA-Z-]+)',
	)
);
 
$frontController = Zend_Controller_Front::getInstance();
$router = $frontController->getRouter();
$router->addRoutes($routes);
$frontController->dispatch();

o-- Zend_Controller_Front::dispatch()
--> Zend_Controller_Front::setResponse()
--> Zend_Controller_Front::getRouter()
--> Zend_Controller_Router_Rewrite::setParams()
--> Zend_Controller_Router_Rewrite::route()

$frontController = Zend_Controller_Front::getInstance(); 
$frontController->addModuleDirectory('../application/modules'); 
$config = new Zend_Config_Ini('../application/config/routes/config.ini', 'production');
$router = $frontController->getRouter();
$router->addConfig($config, 'routes');

$frontController = Zend_Controller_Front::getInstance(); 
$frontController->addModuleDirectory('../application/modules'); 
$router = $frontController->getRouter();
$router->setRoutesDirectory('../application/config/routes', array('production', 'routes'));

class My_Controller_Router_Rewrite extends Zend_Controller_Router_Rewrite
{
    /**
     * Routes directory
     * @var string
     */
    protected $_routesDirectory;
 
    /**
     * Set the path to the directory containing the routes
     *
     * @param string $path Path to the routes directory
     * @param array|null $sections Section name(s)
     * @return Zend_Controller_Router_Route_Interface Route object
     */
    public function setRoutesDirectory($path, $sections = null) 
    {
        $request = $this->getFrontController()->getRequest();
        if (null === $request) {
            // Instantiate default request object (HTTP version)
            require_once 'Zend/Controller/Request/Http.php';
            $request = new Zend_Controller_Request_Http();
            $this->getFrontController()->setRequest($request);
        }
 
        $filename = ltrim((string) $request->getRequestUri(), '/');
        if (strpos($filename, '/')) {
            $filename = substr($filename, 0, strpos($filename, '/'));
        }
 
        if ($filename !== '') {
            $path = rtrim((string) $path, '/\\');
            $this->_routesDirectory = $path;
            $this->addRoutesFromFile($path, $filename, $sections);
        }
 
        return $this;
    }
 
    /**
     * Return the path to the routes directory.
     *
     * @return null|string
     */
    public function getRoutesDirectory() 
    {
        return $this->_routesDirectory;
    }
 
 
    /**
     * Add routes from file
     * 
     * @param string $path
     * @param string $filename
     * @param array|null $sections
     * @return Zend_Controller_Router_Interface Rewrite object
     * @throws Zend_Controller_Router_Exception
     */
    public function addRoutesFromFile($path, $filename, $sections = null) 
    {
        $extension = 'ini';
        if (null === $sections) {
            $extension = 'php';
        }
        $file = $path . DIRECTORY_SEPARATOR . $filename . '.' . $extension;
        if (! file_exists($file)) {
            throw new Zend_Controller_Router_Exception('No such file or directory: ' . $file);
        }
 
        if ($extension === 'php') {
            include_once $file;
            if (isset($routes) && is_array($routes)) {
                $this->addRoutes($routes);
            }
        } else if ($extension === 'ini') {
            $fileSection = (array_key_exists(0, $sections)) ? $sections[0] : null;
            $propSection = (array_key_exists(1, $sections)) ? $sections[1] : 'routes';
            /** Zend_Config_Ini **/
            require_once 'Zend/Config/Ini.php';
            $config = new Zend_Config_Ini($file, $fileSection);
            $this->addConfig($config, $propSection);
        }
 
        return $this;
    }
}

/* Report all errors directly to the screen for simple diagnostics in the dev environment */  
error_reporting(E_ALL | E_STRICT);  
ini_set('display_startup_errors', 1);  
ini_set('display_errors', 1); 
date_default_timezone_set('Europe/London');
 
/* Add the Zend Framework library to the include path so that we can access the ZF classes */ 
set_include_path('../library' . PATH_SEPARATOR . get_include_path());  
 
/* Set up autoload so we don't have to explicitly require each Zend Framework class */ 
require_once "Zend/Loader.php"; 
Zend_Loader::registerAutoload(); 
 
/* Set the singleton instance of the front controller */ 
require_once 'Zend/Controller/Front.php';
$frontController = Zend_Controller_Front::getInstance(); 
$frontController->throwExceptions(true); 
$frontController->addModuleDirectory('../application/modules'); 
 
require_once "My/Controller/Router/Rewrite.php"; 
$router = new My_Controller_Router_Rewrite();
$frontController->setRouter($router);
$router->setRoutesDirectory('../application/config/routes', array('production', 'routes'));
 
/* Dispatch request */ 
$frontController->dispatch();