Config class helps you to find the part of configure what you want.config file is config/dev_config.php(and stage_config.php,real_config.php).
Thule provides the functionality of multiserver configuration for good development envrionment. Most web development envrionment has 3 layor of development process which are , keep developing in development server deploy to stage server which is for testing befor live and deploy to live.
Each step needs to have each envrionment configure.
You can set the configure server in thulef.php
Thule_Config::setConfig("dev"); // "stage","real"
config/dev_config
............
$config['setting']="Hello";
.............
$hi=Thule_Config::get("setting"); //$hi="Hello"
Thule_Config::set("hi","Hello");
$hi=Thule_Config::get("hi") //$hi="Hello"
You can set configure in configure.ini which is embeded on php but little bit more features..
Thule_Config::setConfig("configure.ini","development","ini"); // configure-file , server stage , configure-type