Christof Damian explains how you can use php to create a user in ]po[: Stored Procedure for User Creation function acs__add_user ( integer, -- user_id varchar, -- object_type timestamptz, -- creation_date integer, -- creation_user varchar, -- creation_ip integer, -- authority_id; default 'local' varchar, -- username varchar, -- email varchar, -- url varchar, -- first_names varchar, [...]