A good article on globalizing Oracle PHP applications, on the Oracle Technology Network:
"From the developers point of view, creating a globalized application introduces a new set of issues that need to be carefully planned from the early stages. Luckily, PHP offers all the necessary building blocks so that the developer can implement fully globalized applications. This document provides an introduction on how to effectively use these features when deploying in the Oracle Application Server. [...] The act of globalizing your application can be broken into four distinct stages:
- Data Integrity
- String Manipulation
- Text Translation
- Data Presentation"