WordPress Design: How to Create a WordPress Plugin

WordPress Design: How to Create a WordPress Plugin

Creating a WordPress plugin adds functionality to a user’s blog. It is a beginner’s guide for getting started creating and installing WordPress plugins.

WordPress is coded in PHP. With a bit of PHP knowledge and an idea, you can create a WordPress plugin for clients and other bloggers. WordPress works as a template. You add items to the template, such as plugins using “hooks.”

You create your PHP function in a file, and then you “hook” that function to the WordPress template. There are three stages for a WordPress plugin design: coding, uploading, and installing the plugin on the blog.

Create WordPress Plugin Code

WordPress and all associated plugins are coded in PHP. You can write to posts, query the database, or store user settings in your PHP code. You must wrap your plugin code in a function. For instance, the following is a small example of a PHP function that writes some text to a WordPress page:

function MyFirstPlugin () {

echo ‘<p>Hello World</p>’;


Save this code to a file. The file is typically named the same as your WordPress plugin title. The file must have a PHP extension.

Using the WordPress API

After the PHP plugin file is created, you must create the “hook” to the function. The WordPress API action list is used to find which action you want to bind to the plugin. The operation code is stored in the identical file as the plugin code. For instance, if you want your plugin to run after the blogger saves a post, add the following code to your file:

add_action ( ‘save_post’, ‘MyFirstPlugin’ );

The first parameter is the action you want to bind to; the second parameter is your plugin function name. For the WordPress Admin to detect the plugin when you upload it, you must add a specific comment section to the WordPress plugin file. Place the file in a directory with the same name as your plugin and upload it to the “wp-content/plugins” directory.

Enable WordPress Plugin in the Admin

Now that the WordPress plugin is created and uploaded, you must enable it in the admin section for the WordPress blog. Notice your plugin name is listed. Click “Activate.” If the code does not include any errors, you receive confirmation that the plugin has been installed successfully.

WordPress also has a repository where you upload plugins and list them on the main blog website. To be a part of the WordPress plugin directory, you must have a readme.txt file included, and the developers look over your code and test it before making it a part of the website.

entry code: TLE101




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