During the course of learning how to write a plugin, I realize it is very easy for a plugin to access information inside WordPress. A plugin has unrestricted access. Here is a quick demo about what can be done.
Writing a wordpress plugin to filter comments
I’m completely new to wordpress plugin development. I want to write a plugin to delete comments I don’t want based on a keyword list. Update: WordPress already comes with this feature under Comment Moderation The code The code isn’t complex. It first use the preprocess_comment hook to check the comment content. If it contains hyperlinks, a 404 error will be returned and the comment will not be inserted into database.…