To set up your environment for developing on PHP:
Download, install, and then initialize the Cloud SDK.
The Cloud SDK provides you the
gcloudcommand-line tooling for deploying and managing your apps.
By downloading, you agree to be bound by the Terms that govern use of the Cloud SDK for App Engine.
Download and install Git for access to code, samples, libraries, and tools in GitHub:
If you don't already have the PHP programming language installed, download and install a version.