Software is usually accompanied by DOCUMENTATION in the form of big fat scary MANUALS that nobody ever reads. In fact, for the past five years most of the manuals shipped with software products have actually been copies of Stephen King's THE STAND with new covers pasted on.
: Unknown: Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively in Unknown on line 0