WpRecipes.com - Daily recipes to cook with WordPress

WordPress shortcodes are great, but they have a bad point: When you decide to stop using them, their code stay in your post content. Here is a fix: A simple SQL query to run on your database to get rid of unused shortcodes.

WordPress have a feature which saves various copies of your posts in order to allow you to compare revisions or restore an older version of your posts. This is very useful, but it also take a lot of space in your database. Here is a very handy SQL query that will instantly delete all posts revisions as well as meta associated with it.

Due to its popularity, WordPress is often the target of hackers. Today, let’s see how we can build a plugin that will check for malicious URL requests (Long request strings, presence of either “eval” and “base64″ php functions, etc.) and use it to protect our blog.

If you’re using PDF files on your WordPress blog, it could be very cool to give your users the chance to open them using Google Docs. The following recipe will show you how you can do that.

In WordPress, changing themes are easy. But what when you have to change a theme programmatically? Just read the following recipe to find out. It’s a lot easier than you may think!

WordPress 3.0 will allow you to create custom post types, so what about being able to list those custom types on your blog homepage? This very useful piece of code will show you how you can do it.

Each time you define a specific post as being private or password-protected, WordPress automatically add “Private” or “Protected” to your blog post title. If you don’t want it, nothing simpler: Just apply this great hack.