Let’s Talk Extensible Code

A few weeks ago, I gave a presentation at WordCamp Kansas City titled “Modular Plugins”. The talk was focused on the idea of writing extensible code when building plugins. I’d like to continue a discussion of the same topic here.

Modular City

Playing Nice with the “the_content” Filter

One of the very first things people tend to learn when writing plugins is how to attach custom HTML to the bottom of their WordPress posts using the filter called “the_content”. This is good, as it is an extremely useful filter, but rarely do tutorials really explain how to use this filter well, and how…

Add Custom Links to User Row Actions

While working on a user badge system for the CG Cookie network, I came across the need to add a custom link to the action links, such as Edit and Delete, present for each user on the WordPress Users page. After a quick google search, I was able to find a simple filter than can…

Add Screen Options Tab to Your WordPress Plugin

You have probably noticed the Screen Options tab in the top right corner of many WordPress admin pages. This tab brings down a configuration panel that you can generally use to control what elements are displayed on the current amin page. One of the really great things about the Screen Options tab is that which…

Screen Options

Get the Name of the Current Action or Filter

After watching a Twitter discussion this morning (shown in the image below), Helen Hou-Sandi, a WordPress developer and core-committer mentioned a function I had never heard of that can be used for finding the name of the current action or filter hook. It is called current_filter() and is extremely useful. Check out the snippets below…

User Submitted Image Gallery – Part 6

Part 6 of User Submitted Image Galleries will show you how to setup the single image page that shows the details for a particular image. This section is not very complex, but it covers a few very important techniques that are really good to know when it comes to modifying information on post templates via…