Porting PHP Apps to Oracle
Oracle's PHP Home page is at
You'll need an Oracle database. Oracle provides a Free database. It's available for download from:
Typically there will be 2 areas where you will need to make changes to your code. You'll need to install OCI8 to in order to connect to the database and some of your database code may need to be modified for Oracle syntax. The following doc should give you everything you need to get started. It also has instructions on how to install the database.