The web page of the project, containing more information, licenses, configuration fils, list of modules for php and lighttpd, etc is here:
It also contains and example, how to install SMF forum onto the phone
This comes with NO WARRANTY. Use it at your own risk!
After you copy the archive above into the root of your SD Card, installation is easy:
cd / tar xf /sdcard/php-5.3.8_lighttpd_1.4.29_armv5.tar.gz reload-fcgi.sh reload-lighttpd.sh
Also, mandatory: rooted phone + busybox + /system partition mounted read only.
Below information is older - which was before the bundle was ready
(excerpt from phpinfo() now running on my phone)
All graphics libraries are in as well as SQLite.
I will still have to play with OpenSSL to get it running. Maybe MySQL in the future
It will take a while to set everything up (a web page for source code, wiki on how to install), but we're close to have a fuller Linux experience on Android powered phones.