dbg-wizard.php is a helper script used to setup remote debugging with DBG - famous php debugger from NuSphere. While dbg-wizard.php is designed to be used with NuSphere PhpED, it can also be very helpful for setting up debugging with dbg php debugger in general, because dbg used by many PHP IDEs. dbg-wizard.php also contains good examples of php code parsing phpinfo, environment variable, configuration files etc.
