Thank you for choosing Yii 2 - a modern PHP framework designed for professional Web development.
Yii 2 is a complete rewrite of its previous version Yii 1.1 which is one of the most popular PHP frameworks. Yii 2 inherits the main spirit behind Yii for being simple, fast and highly extensible. Yii 2 requires PHP 5.4 and embraces the best practices and protocols found in modern Web application development.
apps/ ready-to-use application templates
advanced/ a template suitable for building sophisticated Web applications
basic/ a template suitable for building simple Web applications
benchmark/ an application demonstrating the performance of Yii
build/ internally used build tools
docs/ documentation
extensions/ extensions
framework/ core framework code
tests/ tests of the core framework code
The minimum requirement by Yii is that your Web server supports PHP 5.4.