WordPress is one of the most important web content management systems in the world. Originally created as a blogging tool, today it forms the backbone from much of what we see and do online. A recent survey found that nearly half of the top ten million websites in the world run on WordPress platforms. Because WordPress is by far the dominant content management system today, it’s essential that programmers know how to maximize their ability to work with it. And that means knowing the best programming languages to use when working with WordPress.

In this article, we’ll take a look at the most important programming languages a WordPress developer needs to know. WordPress development primarily involves PHP, JavaScript, HTML, and CSS, along with MySQL for database management. We’ll break down each of these to help you target the languages you need to master in order to become an expert in developing with WordPress.

WordPress Programming Languages: 2024 Top Choices

As of 2024, WordPress normally uses PHP as its core programming language, which is very helpful for dynamic content management and customization. The platform also integrates HTML, CSS, and JavaScript, enhancing its flexibility for designing and improving user interfaces. Additionally, WordPress continues to evolve based on the latest web technologies to ensure a seamless and efficient experience for developers and users.


WordPress itself is built with the PHP programming language. As a result, PHP is the most important language in WordPress development. Indeed, it is an essential language for anyone who wants to work in WordPress. The PHP language was developed in the mid-1990s and released in 1995. It is used primarily for server-side scripting to manage dynamic content generation, database interactions, and backend logic. While much of what happens in WordPress on the consumer side can be done through a “what you see is what you get” graphical interface, PHP knowledge is essential for developers looking to go beyond the standard functions of WordPress. Understanding PHP is vital for customizing WordPress themes, creating plugins, and modifying core functionalities, giving you the power to make WordPress truly your own.


JavaScript is one of the core technologies of the Web and a language used on more than 98% of all websites worldwide. Indeed, JavaScript is so pervasive that you almost can’t conceive of the internet without it. JavaScript, or JS, is indispensable for creating interactive and dynamic user interfaces on WordPress websites. Developers use JS in frontend development to add features such as sliders, pop-ups, form validations, AJAX functionality, and more. Traditionally, WordPress used JavaScript for frontend functions, but the growing popularity of JavaScript frameworks like React and Vue.js, has transformed JS’s role in WordPress development. Today, in addition to traditional frontend tasks, you can also find developers using JS for building entire applications within WordPress.

Hypertext Markup Language (HTML)

HTML is a markup language more than it is a programming language, but because HTML is a core part of the architecture of the web, it’s an absolute essential for anyone doing development in WordPress. Currently, WordPress developers are working with HTML5, which is favored because it produces the most compelling user interfaces. A markup language organizes the structure and format of a document and therefore also influences how that document is displayed. HTML is the backbone of web pages because it shapes how they are structured and what they contain. As a WordPress developer, you will use HTML to create the foundational layout and the basic organization of each web page and its themes. As a developer, you must be fluent in HTML in order to customize WordPress themes, develop your own original templates, and ensure semantic markup is correctly done for both SEO and accessibility.

Cascading Style Sheets (CSS)

CSS is used to change how a webpage looks without modifying its content. So, when you apply a cascading style sheet to the HTML elements of a web page, you can control how they appear to the end user. For example, you can specify what colors and fonts are used. CSS is one of the simplest programming languages to learn, even for people with little or no coding experience, but nevertheless, CSS is vital for such common WordPress tasks as customizing the visual design of themes, adjusting layouts, specifying colors and typography, and handling responsiveness for different screen sizes and devices. CSS preprocessors like Sass or LESS can streamline the styling process and make it easier for developers to maintain their code.


MySQL is not a programming language in the usual sense, but MySQL is something that every programmer will need to know to work in WordPress because WordPress uses MySQL as its database management system to store website content, user data, settings, and other information. As a WordPress developer, you will need to understand and be able to use MySQL for such tasks as optimizing database queries, efficiently managing data, and troubleshooting issues related to database performance and scalability. If you want to get deep into the weeds, MySQL’s structured query language is written in C and C++, so those with knowledge of these languages might have an extra boost if you need to tinker under the hood.

If you are interested in learning more about any of these WordPress programming languages, taking a class to develop your skills is a great idea. If you are in a programming class or a computer science program right now and find that you need help with coding assignments, there are plenty of options for seeking assistance. For example, you can contact AssignmentCore when you need someone online to help with your coding assignments. When you contact them and say “Can you do my programming homework online?”, they will match you with coding experts who can show you the right way to approach any programming homework assignment with step-by-step solutions. They can deliver original code to meet any assignment requirements.

Summing Up about WordPress Programming Languages

Once you’ve mastered the most important languages used in WordPress, there are others that can be beneficial, too. In addition to the major languages listed above, it helps to be at least somewhat familiar with other technologies and tools such as Git for version control, RESTful APIs for integrating external services, and web security best practices. These tools enable WordPress developers to build robust and secure websites—and security should always be in the forefront of your mind as a developer.  WordPress programming languages are an on-point choice if you treasure security. As the WordPress ecosystem continues to evolve, staying current with the latest trends and technologies in web development will not only ensure that your services remain in demand but also that you deliver modern and high-performing WordPress solutions to all your clients.

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Lt Digital Team (Content &Amp; Marketing)

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