What you need for this book

To ensure that you can run the examples provided on any operating system and to ensure the accuracy of command-line entries, this book will use VirtualBox and Vagrant to establish a common development platform. Provided with this book are instructions on how to set up this cross-platform development environment. For this book, you'll need the following:

• VirtualBox 4.3.x
• Vagrant 1.3.x
• Ubuntu Server 14.04 LTS
• MySQL 5.6.x
• PHP 5.5.x
• Yii framework 1.1.x
• Composer