Rusty's Blog

If you read part 1 of my tutorial, you’d hopefully know how to port a simple display widget from the Wordpress 2.7 procedural widget API to the new Wordpress 2.8 object-oriented widget API. You’d also know a little about why coding widgets are better than slapping a bunch of code in your sidebar. You did read it, right? No? I’ll wait, I’ve got time.

Okay, good. The part we didn’t cover because it would have made the tutorial ridiculously long was porting configurable forms for the widget admin area. So that’s what this part is about.

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Wordpress 2.8 introduces a new object-oriented Widget API (based on Alex Tingle’s MultiWidget class) which is an improvement over the procedural API for Wordpress 2.7 and before. It’s not a revolutionary leap, but it does make coding widgets which need to appear multiple times on a page easier, automates some administrative form handling, and makes code better-organized and easier to follow.

The bad news is the new API isn’t backwards compatible without a little work. So here is the first part of a multi-part guide for porting a Wordpress 2.7 widget over to the new Wordpress 2.8 API.

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