assets/ contains assets definition
commands/ contains console commands (controllers)
config/ contains application configurations
controllers/ contains Web controller classes
mail/ contains view files for e-mails
models/ contains model classes
runtime/ contains files generated during runtime
tests/ contains various tests for the basic application
vendor/ contains dependent 3rd-party packages
views/ contains view files for the Web application
web/ contains the entry script and Web resources
The minimum requirement by this project template that your Web server supports PHP 5.6.0.