Chapter 3. Social Bookmarking

Now that we've covered the component parts of a WordPress plugin, it's time to write something more substantial. In this chapter, we will create a plugin that allows visitors to bookmark each of our posts using the social bookmarking service http://www.digg.com. We are going to learn a bit more about the WordPress API and by the time we're done, we will have in our toolbox a simple coding pattern that is applicable to many other plugins we may want to write, such as one that creates a Facebook "Like" button.

In this chapter, you will learn or review the following points:

We're going to build this slowly and test it as we go so you can see how each component works. Let's get started!