testdrive/
   index.php                 Web application entry script file
   index-test.php            entry script file for the functional tests
   assets/                   containing published resource files
   css/                      containing CSS files
   images/                   containing image files
   themes/                   containing application themes
   protected/                containing protected application files
      yiic                   yiic command line script for Unix/Linux
      yiic.bat               yiic command line script for Windows
      yiic.php               yiic command line PHP script
      commands/              containing customized 'yiic' commands
         shell/              containing customized 'yiic shell' commands
      components/            containing reusable user components
         Controller.php      the base class for all controller classes
         UserIdentity.php    the 'UserIdentity' class used for authentication
      config/                containing configuration files
         console.php         the console application configuration
         main.php            the Web application configuration
         test.php            the configuration for the functional tests
      controllers/           containing controller class files
         SiteController.php  the default controller class
      data/                  containing the sample database
         schema.mysql.sql    the DB schema for the sample MySQL database
         schema.sqlite.sql   the DB schema for the sample SQLite database
         testdrive.db        the sample SQLite database file
      extensions/            containing third-party extensions
      messages/              containing translated messages
      models/                containing model class files
         LoginForm.php       the form model for 'login' action
         ContactForm.php     the form model for 'contact' action
      runtime/               containing temporarily generated files
      tests/                 containing test scripts
      views/                 containing controller view and layout files
         layouts/            containing layout view files
            main.php         the base layout shared by all pages
            column1.php      the layout for pages using a single column
            column2.php      the layout for pages using two columns
         site/               containing view files for the 'site' controller
            pages/           containing "static" pages
               about.php     the view for the "about" page
            contact.php      the view for 'contact' action
            error.php        the view for 'error' action (displaying external errors)
            index.php        the view for 'index' action
            login.php        the view for 'login' action