Enable WordPress AJAX requests to set the language locale through WPML with this small patch.
A guide to building a website from start to finish. Get your site out instead of your hair.
Having a fully translatable WordPress theme can save you a lot of work, and here's how.
An interesting gotcha that I stumbled across recently, sending a 404 response code with a download forced by Content-Disposition: attachment will fail but inline content will still be displayed. This behaviour was tested in both Chrome and FireFox. Of course the appropriate response code should always be sent; this 404 response code was being sneaked in by WordPress and led to hours of frustration.
So, if you’re interested in developing with PHP, you should really check out the Yii Framework. And if you like what you see, I strongly recommend Larry Ullman’s Yii Book. While still in the making, you can buy it now and receive the updates as Larry writes and revises the chapters.
A rather frustrating bug that I became aware of when generating navigational menus for custom post types using wp_list_pages(). The list entries aren’t decorated with useful classes denoting the current item, the parent item, and ancestor(s). Read about the issue here.