To set up your environment for developing on PHP 5:
Install the latest release of PHP 5.
See PHP 5 Runtime Environment for a list of the supported versions.
Install and initialize the gcloud CLI for deploying and managing your apps. If you already have the gcloud CLI installed and initialized, run the
gcloud components update
command to update to the latest release.By downloading, you agree to be bound by the Terms that govern use of the gcloud CLI for App Engine.
Installing optional tools
For access to code, samples, libraries, and tools in GitHub, install Git:
To manage dependencies, download Composer and make sure the Composer executable is installed globally.