By default, WordPress automatically add paragraph tags to the content and the excerpt, using the wpautop() function. If you need to automatically add some <p> tags to any text, you can use this function to do it.
If you are using WP as a content management system and a blog, you might probably need a easy way to detect and only show particular types of content on blog-related pages.Here is a custom conditional tag to do so.
By default, WordPress allows a few HTML tags in post comments, such as < a>,< strong> etc.This is an awesome feature,but what if you want to support many other HTML tags in WordPress comments? For example,tech bloggers may want to support PRE tags so commenters can post code.In fact, the solution is quite easy to add more tags in your WordPress comments.