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How to Add Custom PHP Code to WordPress

In some cases, you may need to add a function to your WordPress website, either to hook something into the theme or use a filter to change something in the theme.

One method of making changes to your site using code snippets is through the use of the theme functions.php file.

To edit PHP files make sure you have access to your server via FTP or File Manager (through your hosting control panel).


Add Custom CSS code to WordPress using a plugin

The easiest way is to install Code Snippets plugin.

You can activate and deactivate certain snippets, and even adds notes about what they do.


Add Custom PHP code to WordPress using a Child Theme

To keep changes safe from theme updates, it is recommended that you create a child theme with its own functions.php instead of editing the parent theme.

The functions file behaves like a WordPress Plugin, adding features and functionality to a WordPress site. You can use it to call functions, both PHP and built-in WordPress, and to define your own functions.

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Here is a quick tutorial on how to create a WordPress Child Theme:

How to Create a WordPress Child Theme 1024x431 - How to Add Custom PHP Code to WordPress

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