Diving into spaghetti: What does wp_update_attachment_metadata() return?

There was a time when I needed to create a WordPress attachment programmatically. One of the functions to use in that process is wp_update_attachment_metadata(). However, the return values from this function are not always what you might expect. Here’s a look at the source code to get a certain answer: a post in the a series that I’ll call “Diving into spaghetti”.

WordPress is GPL, must your plugin be as well?

Some people insist that since WordPress is released under the GNU Public Licence (GPL), its plugins must be also be licensed under the GPL since they are “derivative works”. I think this is not true, and represents a wish rather than a fact. In this post, I explain why you’re not required to release your WordPress plugin under the GPL if you don’t want to.

Automatically rename WordPress image uploads

WordPress out of the box isn’t very smart with image files. I wanted to automatically rename uploaded images to create pretty SEO filenames on my blog, but had to resort to creating my own plugin.