The Settings API is essential when building themes and plugins.
Since many of our readers are doing just that, I thought I’d share with you the best resources on this excellent API:
The Complete Guide to the WordPress Settings API
This is a free, 8 part, mega tutorial on Tutsplus by one of the best WordPress coders around, Tom McFarlin. Covers anything you need, including creating fields and sections, tabs, data validation and sanitization etc. There’s a maintained repository of all the code used in the tutorial on Github.
Konstantin Kovshenin’s Presentation at WordCamp Sofia 2012
Automattician Konstantin Kovshenin delivered a cracking presentation about the WordPress Settings API at WordCamp Sofia 2012. You can check out the notes and slides on his site, and there is also a video recording of the presentation on WordPress.tv.
Professional WordPress Plugin Development
This book is a constant reference for me, it is the singular most valuable learning resource I’ve had during my journey with WordPress. It has a great chapter on the Settings and Options APIs.
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