Include PHP File in WordPress

Did you want to include PHP file in WordPress, you have come to the right place.

Including a PHP script in WordPress may result in security issues. For example – if you include one That allows users to execute PHP codes, your site is at risk.

In this resource – we are going to cover how to include a PHP file in WordPress. The way you include PHP files in WordPress can affect a WordPress website, such as using manual routines to include WordPress files, changing core files, or using WordPress plugins.

Let’s proceed to describe the matter in more detail.

What is PHP?

PHP is a scripting language for web development and dynamic applications. For example – if you want to create a dynamic application That runs on the Internet, PHP helps you perform scripting on a web server, such as Apache.

In this case, scripting means compiling and running PHP scripts on the Web. The applications programmed using PHP are referred to as PHP scripts, programs, or web applications in general.

In simple words, PHP is required if you want to create custom applications on the Web and run PHP scripts on a web server, such as Apache web server.

Introduction to PHP Files

PHP files are used to perform specific Tasks on a WordPress website. In this case, the whole WordPress infrastructure is developed in PHP and supports PHP applications without supporting dependencies.

As described above – PHP is a scripting language that helps admins create dynamic applications; you can develop WordPress themes, plugins, or custom applications in WordPress using PHP programming.

PHP Files and WordPress

Using PHP programs in WordPress is referred to as creating custom scripts to extend WordPress functionality.

In this case – once you have created a custom program using PHP, you will need to upload the script to WordPress and make it applicable in WordPress.

This is where we address the subject matter – how to include and make a custom PHP script usable in WordPress.

Include PHP File in WordPress

Let’s include a PHP file or script in a WordPress website.

Please note – adding PHP files in WordPress may have different intentions. Here – we are aiming to addressing common scenarios.

One way to include a PHP file in WordPress is to use the include function in WordPress. It is applicable if you’re using custom PHP scripts.

For example – if your PHP script works under WordPress root directory, you can use the include function in this case.

In this case, you will need to upload the PHP script to the directory where you would like to keep the calling PHP file.

In this case, once uploaded – use the include function described in the following line.


In addition to the above code – you can also use another syntax, get_template_part(); in this case.

Note: Please proceed with programming codes only – if you know how to create and setup PHP scripts or code snippets.

However – above all, if you want to run your scripts using WordPress database, you will need to use WordPress’ recommended and supported functions and hooks for custom PHP scripts.

Let’s describe another method to include a PHP file in WordPress.

If you need to be more Technical and want to include a PHP file in WordPress, you can follow the following routine.

In WordPress, better if you install and use a plugin for the said purpose. In this case, once you have installed a WordPress plugin, you can proceed to include a PHP file in WordPress.

For example – Code Snippets is the plugin That helps users add and run PHP scripts or code snippets in WordPress pages and posts.

In such scenarios – you can skip editing WordPress theme’s Functions.PHP file using WordPress editor.

Here – if you are not technical enough, using Code Snippets plugin helps you skip complex algorithms.

By using a WordPress plugin, beginners can use PHP scripts using a graphical user interface, where adding, editing, and managing custom PHP scripts becomes an enjoyable routine for WordPress beginners.

In simple words, such plugins help users run PHP scripts in WordPress – without learning how to add code snippets to a Theme’s Functions.PHP file.

Note: If you want to alter code snippets in a WordPress Header and Footer, you can also use specific plugins for the purpose. In WordPress official Plugins Directory, you can quickly find suitable candidates for the said purpose.

Professional Tips

  • Depending on requirements, you should deal with how to add PHP scripts in WordPress. For example – normal users don’t need to add PHP files in WordPress. On the other hand – developers need such routines for performance, functionality, or development purposes.
  • To include a PHP file in WordPress, specify absolute or relative file paths in WordPress scripts.
  • Adding PHP scripts for simple routines is simple, such as tracking code snippets; WordPress plugins can help you in this case. However, running PHP scripts in WordPress is different and may require programming skills.
  • Depending on a Theme’s functionality, adding PHP scripts or code snippets can break a WordPress Theme, Plugin, or the whole website. You need to follow code standards in this case. Better if you can follow a Theme’s official resource to include PHP files in WordPress.
  • Sometimes – you can extend WordPress functionality without adding a PHP file in WordPress root directory. In this case, tweaking the cPanel directory’s content can help you get Things done. For example – changing the HT-Access file’s content without changing or adding PHP scripts can help you configure WordPress areas, such as Redirects in WordPress.
  • If you need to change PHP scripts due to a WordPress plugin, better if you have taken your site’s backup. In general, you should always back up your site’s content before making changes in WordPress – such as adding PHP files in WordPress.

Over to You

When it comes to including a PHP file in WordPress, don’t consider things as a regular user of WordPress. The subject matter has a different approach and requires technical expertise.

Instead – you need to think about the developer’s aspect of including a PHP file in WordPress.

As described above – including PHP files in WordPress refers to calling new PHP scripts from programming scripts in WordPress, not uploading PHP scripts to WordPress root directory.

Simply put, once you have uploaded a PHP file to WordPress, you should be able to call the particular script from anywhere in WordPress – helping you run, edit, and execute PHP programs in WordPress.

While editing PHP files in WordPress, if you lack Technical expertise, let us know your thoughts to help you with WordPress infrastructure – including WordPress maintenance, performance improvement, and security updates regarding PHP infrastructure.

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