1. Introduction
WordPress is gaining more and more popularity each day, not just as a blogging platform but also as a basic CMS, thus improving and extending its basic functionality becoming a day-to-day necessity for a lot of developers. Fortunately, the WordPress developers have foreseen these needs and added the possibility of customizing the basic functionality by adding plugins. Basicaly, a WordPress plugin is a (more or less) stand-alone piece of code that can be executed in different sections and stages within a page or site.
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