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"My Custom Functions PRO" is a premium WordPress plugin that gives you the ability to easily and safely add your custom functions (PHP code) for execution in the WordPress environment directly out of your WordPress Admin Area, without the need to have an external editor. This is a "PRO" version of the plugin "My Custom Functions". More features, more power. Unlimited number of fields, Toggle for temporary disabling the certain fields, and Automatic backup of all functions to a file.

Its purpose is to provide a familiar experience to WordPress users. No need for any more editing of the functions.php file of your theme. Just add your PHP code in the field on the plugin settings page and this plugin will do the rest for you.

It's really useful in case of any theme update, because your custom PHP code would never be overwritten. Your custom PHP code will keep on working, no matter how many times you upgrade or switch your theme.

On the plugin settings page you find the PHP editor powered by CodeMirror. It has syntax highlighting and line numbering options. Also this editor supports a tab indentation.

This is a simple and perfect tool to use as your website's functionality plugin.

A Powerful Feature Set

In order for us to maintain such a robust core across all of our WordPress plugins, we work hard to always stay consistent with our philosophies and approach in everything that we build. So the following is what you can expect in a WordPress plugin from Space X-Chimp™.

  • Beautiful Design

    User friendly settings page with a beautiful and pixel perfect design

  • Fully Responsive

    Optimized for use on desktops, tablets and mobile devices

  • Cross Browser

    Tested across major browsers: Safari, Chrome, Firefox, Opera, IE

  • SEO Friendly

    Designed with search engine optimization in mind

  • High Security

    Uses advanced technologies to ensure data security

  • HTML5 & CSS3

    Amazing possibilities with latest versions of HTML and CSS

  • Multilingual

    Available in several languages like English, German, French, Spanish and Russian

  • Translations Ready

    Ready for new translations. Just use a POT file included or WordPress.org translator

  • RTL Compatible

    Compatible with right to left languages like Hebrew, Arabic, Persian and Urdu

Just look at it and you'll love it right away


Used and trusted by 30,000+ lovely customers all over the world. These are a several reviews for both free and premium versions of the plugin. All reviews of this plugin you can find here.

Free or Premium, the choice is yours!

Features My Custom Functions My Custom Functions PRO
Checks the entered code for fatal errors
Easy disable option for WSOD
Syntax highlighting (by CodeMirror)
Line numbering
Active line highlighting
Editor allow for tab indentation
Number of fields for entering codes Only 1 Unlimited
Automatic backup of all functions to the text file
Ability to temporary disable the certain function/field
Button for saving changes from any place on page
Ability for show/hide the field with code of function
Clean plugin settings page. No advertising banners or donation messages
Timely support
Regular updates
Well documented

Satisfaction Guaranteed

We are proud of the quality of the products we sell. If at any time within the next 30 days, you are not happy with our product, then just let us know and you can get a full hassle-free refund!

satisfaction guaranteed


Choose a payment plan that works for you. There are no monthly payments, usage limits or ongoing fees. You buy it once and own it forever.

Personal License

great for bloggers, authors & artists

  • 1 Site
  • 1 Year of updates
  • 1 Year of support
  • Lifetime Usage
most popular

Business License

great for freelancers & creative agencies

  • 5 Sites
  • 1 Year of updates
  • 1 Year of support
  • Lifetime Usage

Enterprise License

great for WordPress Multisite network

  • Unlimited Sites
  • Lifetime Updates
  • 1 Year of support
  • Lifetime Usage


If you have any questions, check out the Common Questions page. If that doesn't cover it, please don't hesitate to contact us and we'll be happy to help you out.

Quick-Start Guide

New to WordPress and web development? Don't worry: our step-by-step guide makes it quick and easy to manage a custom PHP code.

  • Upload my-custom-functions-pro to the /wp-content/plugins/ directory.
  • Activate the plugin through the Plugins tab in WordPress Admin Area.
  • Go to page SettingsPHP Inserter PRO.
  • Add your custom code in the field, then click Save changes.
  • That’s it. You are already getting your custom PHP code working.

If you have any questions, check out the Frequently Asked Questions and Instructions pages. If that doesn't cover it, please don't hesitate to contact us and we'll be happy to help you out.