siehe DevLounge: WordPress Plugins and Database Interaction
und am Ende des Artikels gibts die restlichen Links zum 1a-Tutorial:
1. How to Write a WordPress Plugin – Introduction
2. Seven Reasons to Write a WordPress Plugin
3. How to Get Ideas for WordPress Plugins
4. Structure of a WordPress Plugin
5. WordPress Plugin Actions
6. WordPress Plugin Filters
7. Constructing a WordPress Plugin Admin Panel
8. Constructing a WordPress Plugin User’s Panel
9. WordPress Plugins and Database Interaction
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