application/ - Application directory, can be named differently, also multiple application directories will work (just set a correct "document root" in your web server configuration) config/ - Contains configurations files. Calling load::config('filename'); will load configuration file with filename "config/filename.php". config.php - Default config file. routing.php - Default router routing file. controllers/ - Controller files, below are some examples. home.php - Class will be used when for example http://example.com/home/ uri is requested. test2/ test2.php - http://example.com/test2[/method]. test3.php - http://example.com/test2/test3[/method]. files/ - Directory for various types of files, that needs to be protected from downloading, like icc profiles, wsdl schemas, and other resources helpers/ - Helpers directory mostly used for different functions. system.php helper is like a startup script for sending headers, initializing database connections, etc. To load a helper use this method load::helper('filename');. models/ - Holds php classes, that are widely used in application. For example, image manipulation class should be placed here as well as database class. To load a model: load::model('filename'). public/ - Public directory of the site. This is the one where you should point your webserver's document root. css/ - Directory for stylesheet files. .htaccess - Access file for apache. index.php - Application main/loader file. js/ - Directory for javascript files. views/ - Directory for templates errors - Error templates. for example E404.php for 404 Not Found errors. system core.php - Core php file to init loading of session load.php - Class for loading files and holding configuration values. router.php - Router class. It determines correct controller and method to load and some other methods like router::redirect(). server { listen 80; listen 443 ssl; server_name staticphp.gm.lv; root /www/sites/gm.lv/staticphp/application/public; index index.php index.html index.htm; location / { if (!-e $request_filename) { rewrite ^(.*)$ /index.php?/$1 last; } } location ~ \.php$ { if (!-f $request_filename) { return 404; } fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include /etc/nginx/fastcgi_params; } location ~ /\.ht { return 404; } } Simeple todo example application based on sessions and memcached. To view the source, checkout the "example" branch.