A few years back, Jacob Wright wrote an excellent PHP Rest Web Service utility. His scripts set up a "Bare-Bones" REST Web Services which allowed GET and POST requests.
You can read about it here at his website:
Adding Oracle extensions to this code seemed like a logical next-step.
These scripts allow you setup REST-based webservices that interface with an Oracle Database.
To set this up, grab the following files:
1. Original Restserver files: https://github.com/jacwright/RestServer
2. Nyquest OCI Extensions file:
Prior to running this, make sure that apache built to ALLOW URL Rerwites (./configure --enable-rewrite)
Once apache is setup, drop PHP over it and you should be all set.