Ewald Kicker has written a detailed tutorial about debugging a PHP script inside Quanta Plus using the Gubed debugger. The document is aimed at beginners and describes step-by-step how to set up and use the debugger for your web projects.
There is an older Gubed tutorial written by Werner Joss, now slightly out of date, but was the first detailed document about using Gubed inside Quanta Plus.
Both tutorials show how anyone can contribute to a Free Software project even if you are not a C++ developer. If you do not have time even for writing documentation or tutorials, you can still use Quanta's donation page to assure and support the future of Quanta Plus and Kommander.