ibase_modify_user Modify a user to a security database (only for IB6 or later) boolibase_modify_user resourceservice_handle stringuser_name stringpassword stringfirst_name stringmiddle_name stringlast_name PHP 4 uses server, dba_user_name and dba_user_password instead of service_handle parameter. &warn.undocumented.func; See also ibase_add_user and ibase_delete_user.