Upgrading From 3.1
From IHRIS Wiki
These are directions for upgrading iHRIS Manage from version 3.1 under Ubuntu.
First Steps
Backup Database
We should back up the database. Go into phpmyadmin, select your database, click on operations, and copy the database to a new name [name].
Get The Source Code
You can either get the released or the development code
Preparing the Site
Copy the existing site directory over to a new directory and update the config.values.php to point to the new database name '[name]'.