This hook can be used to handle the data that was retrieved from the database for a user. Modules can add and modify the user data. In combination with the [user_save] hook, this hook can also be used to store and retrieve some of the Phorum user fields in some external system
Call time:
Just after user data has been retrieved from the database.
Hook input:
An array of users. Each item in this array is an array containing data for a single user.
Hook output:
The same array as the one that was used for the hook call argument, possibly with some updated fields in it.