Some additional repos to consider:
FlexGIS — FlexGIS allows end-users to perform basic geospatial analysis in a Flash frontend, without having to be familiar with standard GIS tools. Users can combine layers on-the-fly, to create advanced data visualizations.
Chainer — Chainer is a small PHP library that makes functional style programming easier, as well as including a set of functions for data analysis.
Utley/warden — DOTA 2 data analysis project for senior PHP course
Once a week...... I send out a list of most interesting PHP libraries and apps.
Want to get it?