WordPress is known as one of the most flexible and customizable website platforms in the world. One of the main reasons for this is that WordPress is open source, which means anyone can access and modify the source code as needed.
This flexibility makes WordPress the top choice for both beginners and professionals, whether developers or website owners.
However, to fully maximize WordPress’s potential, you need to understand how to access and edit its source code.
In this article, we’ll cover two simple ways to edit WordPress source code: through the Theme File Editor and via an FTP client such as FileZilla.
As a website owner or manager, you may encounter situations where the default theme or plugin settings are not enough to meet your website’s design or functionality needs.
This is where editing the source code becomes important. By editing the code directly, you can customize the appearance, add features, or even fix bugs that cannot be resolved through the regular WordPress dashboard.
Interestingly, WordPress already provides a simple way to do this without additional software, although for more advanced needs, using FTP is still recommended.
Also Read : The Secret to Successfully Developing a Website with a WordPress Starter Theme
The first and easiest way is by using the Theme File Editor feature, which is available directly within your WordPress dashboard. Please take a look at the image below!
Steps to access the file editor in your WordPress dashboard are as follows
On this page, you will see a list of template files from your active theme, such as style.css, functions.php, and others.
Next, simply select the file you want to edit, make the necessary changes to the code, and once done, click the Update File button to save your changes.
This method is very suitable for making quick, light adjustments. However, keep in mind to always be cautious when editing files directly in the Theme Editor. A single small error in the code can cause issues or errors on your website.
For those who want to edit files more flexibly and securely, using an FTP client such as FileZilla is a more professional option. With FTP, you can access all the WordPress files stored on your hosting server.
The first step you need to do is download and install the FileZilla application on your computer.
Next, open FileZilla and enter the following information :
Then, click Quick Connect. If you don’t have FTP credentials, you can contact your hosting provider to get them.
Once successfully connected, you will see the file structure of your website’s server. Then, navigate to the public_html folder or your WordPress installation directory. The next steps are :
FileZilla will display a confirmation pop-up to upload the file back to the server. Click Yes to confirm.
This method gives you more control and is suitable if you want to work with multiple files or make bulk edits.
Before you start modifying your WordPress source code, here are some important tips you should apply :
Back Up Your Website First : Always create a backup of your website before making code changes, especially if you’re working directly on theme or plugin files.
Use a Child Theme : If you want to edit a theme, it’s better to use a child theme so your changes won’t be lost when the theme is updated.
Use a Reliable Text Editor : For FTP users, use an editor such as Visual Studio Code or Sublime Text to make reading and writing code easier.
Avoid Editing Directly on a Live Site : If possible, make changes in a staging or local environment first to prevent breaking your main site.
Editing WordPress source code is not complicated, even for beginners. With the two methods explained above using the Theme File Editor and an FTP client you can choose the approach that best fits your comfort level and needs.
For beginners, the Theme File Editor is sufficient for basic modifications. Meanwhile, for advanced users or those who want more flexibility, an FTP client like FileZilla offers full control over your website files.
Whichever option you choose, always proceed with caution and have a basic understanding of the WordPress file structure. This way, you can manage your website more professionally and independently.
We hope this guide helps you understand the fundamentals of editing WordPress source code. If you have questions or would like to share your experience, feel free to reach out through our contact page. Good luck, and happy editing!
Photo Source : Mohammad Rahmani on Unsplash
