From Zen Cart(tm) Wiki
- The Developers section is primarily aimed at those people who have a reasonable level of competence with PHP and MySQL, and who want to learn more about the internal workings of the Zen Cart™ code.
- Hopefully it may also be useful for those that are wanting to move from simple customizations of their Zen Cart™ site to doing something a little more adventurous.
- The Zen Cart™ team is constantly striving to make the codebase more modular and simpler for third parties to alter and extend. As such, core code will at times change quite rapidly. Because of that there is always the possibility that some of the entries made in that section may date rather quickly. If in doubt use the discussion tab, or post in the Support Forum.
- W3Schools Online HTML Tutorial.