What Coding Language is Used in WordPress?

WordPress, the world’s most popular content management system (CMS), powers over 40% of all websites on the internet. Its ease of use, customization options, and extensive library of themes and plugins make it a top choice for everyone, from beginners to experienced web developers (related: Top Web development Agency in 2023). But what coding languages are used in WordPress?

WordPress Coding
What Coding Language is Used in WordPress? 3

PHP: The Backbone of WordPress

PHP is the primary coding language used in WordPress. As a server-side scripting language, PHP powers the core functionality of the platform, including the processing of user requests, database interactions, and the generation of dynamic content.

When you install WordPress, the majority of the files you’ll encounter are written in PHP. These files define how your website functions, such as how your blog posts are displayed or how users can leave comments. By learning PHP, you can create custom themes and plugins or modify existing ones to better suit your needs.

HTML and CSS: Structuring Your Content and Styling Your Site

While PHP forms the foundation of WordPress, Hypertext Markup Language (HTML) and Cascading Style Sheets (CSS) play crucial roles in defining the structure and appearance of your website.

HTML is the standard markup language used to structure content on the web. In WordPress, HTML is used within themes, plugins, and even the content editor to create the structure of your website’s pages and posts. Understanding HTML allows you to create well-structured content that is both visually appealing and accessible to users.

CSS, on the other hand, is a stylesheet language that controls the visual appearance of a website. In WordPress, CSS is used to style themes, define the layout, and customize the look of various elements such as fonts, colors, and spacing. By learning CSS, you can create a unique and visually appealing WordPress site that stands out from the rest.

JavaScript: Adding Interactivity and Dynamic Features

JavaScript is another coding language used in WordPress to enhance the user experience by adding interactivity and dynamic features to websites. This client-side scripting language is used in themes and plugins to animate elements, handle user input, and fetch data without reloading the page.

As WordPress continues to evolve, JavaScript is becoming increasingly important. The introduction of the Gutenberg editor, which relies heavily on JavaScript, showcases the growing significance of this language in the WordPress ecosystem.


WordPress utilizes a combination of coding languages – primarily PHP, HTML, CSS, and JavaScript – to create and customize websites. Understanding these languages allows you to unlock the full potential of WordPress and build websites that are both visually appealing and highly functional.

As the WordPress community continues to grow, so does the platform itself. Staying up-to-date with the latest developments in coding languages and best practices ensures that your WordPress site remains relevant, secure, and optimized for the future.

July 10, 2023

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