application/
    models/
        Model.php = class Model {}
    modules/
        admin/
            helpers/
            filters/
            controllers/
            views/
            models/
                Model.php = class Admin_Model {}
        public/
            helpers/
            filters/
            controllers/
            views/
            models/
                Model.php = class Public_Model {}
    config/
        settings.php
        environment.php
        environment/
            development.php
            production.php
            testing.php
extlib/
    Zend
    AdaptableCore
lib/
www/
    index.php
    static/
        images/
        icons/
        css/
        javascript/