How to develop WordPress plugin

For many WordPress users, plug-ins are required. WordPress Plugin development allows users with little or no programming ability to expand the functionality of their blogs. Plug-ins in a variety of forms, in WordPress, Plug-ins can almost do anything.

WordPress is not just a simple blog platform, but also a very powerful and unlimited scalability of the CMS platform. Now whether in the country or abroad, WordPress has a huge number of users, and such users are other blog platform is unmatched, has been a large number of WordPress enthusiasts for its development theme and plug-in development, with the help of these themes and plug-ins, you can almost put WordPress is configured as any type of site.

Sometimes, others develop good plug-ins, and not necessarily perfect for everyone's needs, they want to modify it, and dare not. In fact, as long as we can understand the working mechanism of plug-ins, and refer to the official WordPress documents, and more with the help of search engines, we can make some changes to those plug-ins, and they can also develop some simple plug-ins.

　　The core of the plugin

In general, the core of the plug-in is two function, to add hooks (Chinese to hook)

Add_action ($hookname, $callbackfunction)

Add_filter ($hookname, $callbackfunction)

These two methods are very important, and almost all plug-ins need to use them.

I understand that some of the special pointcuts that are reserved for WordPress's core code, or that occur when performing certain events, such as when the article is published, or when a guest leaves a message. Want to see

Filters, should be the implementation of WordPress, the data transmission process of a filtering mechanism, such as when the article is saved to the database process, or the article engaged in the database to take out, to show the process in the browser.

Understand these you can carry out WordPress plug-in development, before the beginning, need to pay attention to three things: first, give the plug-in to take a personalized name, the more personalized the better, to prevent and other plug-ins with duplicate names conflict. Second, the code inside, must include comments, not for themselves, but also want to modify your code for others to think about. Third, try to use the latest version of WordPress for development and testing.