phan/docker

An installation of PHP7 and Phan in a super tiny Alpine Linux Docker image. The image is just 30 MB and runs interactively on the files outside your container, making it easy to statically analyze PHP code.

phan/docker is a fork of cloudflare/docker-phan

Motivations

Phan requires PHP7.2+ and specific PHP extensions to be installed. PHP7.2+ isn’t packaged yet for many Linux distributions and users would still need to compile and enable the extra PHP extensions.

By packaging Phan inside a Docker image, we can separate the runtime and configuration of the tool from your application’s environment and requirements.

Getting phan/docker

The easiest way to use phan/docker is to create a shell function for “phan” that makes makes it nearly transparent that phan is running inside Docker.

phan() { docker run -v $PWD:/mnt/src --rm -u "$(id -u):$(id -g)" phanphp/phan:latest $@; return $?; }

(You may replace “latest” with a tagged Phan release such as 3 or 3.0 or 3.0.4 to use a specific version of Phan.)

Running phan/docker

If you’re just getting started with Phan, you should follow Phan’s excellent Tutorial for Analyzing A Large Sloopy Code Base to setup the initial configuration for your project.

All of Phan’s command line flags can be passed to phan/docker.

Example

To create an “analysis.txt” in the current directory for further processing

phan -po analysis.txt

To run phan on a project that already has a .phan/config.php set up (assuming no symlinks)

cd /path/to/project
# short for: docker run -v $PWD:/mnt/src --rm -u "$(id -u):$(id -g)" phanphp/phan:latest
phan

Building

Docker images are built with the build script based on the awesome building and testing framework put into place by the docker-alpine contributors. See BUILD.md for more information.

Phan reports that classes from a PHP module are missing

Configuring Stubs

This aims to be a minimal docker image, and does not include many common PHP modules(extensions).

See https://github.com/phan/phan/wiki/How-To-Use-Stubs#internal-stubs for how to generate stubs from installed extensions and configure phan to use those stubs if the extension is not installed.

Extending phan/docker with extra PHP modules

Installing the PHP modules may give phan better type information than stubs in some cases.

See examples/installing_extensions for how to do that.

License

BSD 2-Clause License