zendframework一个简单的路径有关问题

<!--?php
// Define path to application directory
defined('APPLICATION_PATH')
    || define('APPLICATION_PATH', realpath(dirname(__FILE__) . '/../application'));
// Define application environment
defined('APPLICATION_ENV')
    || define('APPLICATION_ENV', (getenv('APPLICATION_ENV') ? getenv('APPLICATION_ENV') : 'production'));
// Ensure library/ is on include_path
set_include_path(implode(PATH_SEPARATOR, array(
    realpath(APPLICATION_PATH . '/../library'),
    get_include_path(),
)));
/** Zend_Application */
require_once 'Zend/Application.php';  
/** Load Layout  */
require_once 'Zend/Layout.php';
Zend_Layout::startMvc(array(
'layoutPath'=-->'../application/layouts',
));
// Create application, bootstrap, and run
$application = new Zend_Application(
    APPLICATION_ENV, 
    APPLICATION_PATH . '/configs/application.ini'
);
$application->bootstrap()
            ->run();