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PHP 8: How to Update the PHP Version of Your WordPress Site

Updated on October 10, 2023

9 Min Read
WordPress PHP 8

Considered one of the most beginner-friendly programming languages, PHP continues to introduce tremendous changes with each of its updates. Embracing the change, this blog is focused on the steps to upgrade to PHP 8.2 on a WordPress website.

Each new PHP version comes with a specialized feature set aimed to support the users and provide them with a seamless user experience. For example, PHP 7’s speed optimization update helped gain higher rankings on the SERPs, and PHP 8 revolutionized how programmers work. 

Carrying the legacy forward, PHP surprised its enthusiasts with the release of PHP 8.2 on November 24, 2022, ensuring users better performance, better syntax, and improved security.

PHP 8 lets you write concise code and build more exemplary applications with exciting changes and improvements to the earlier RFCs. Considering the new improvements, it would be a crime not to upgrade your current PHP version to PHP 8.2 on your WordPress site. Our WordPress hosting servers support the latest PHP version. 

Before we jump towards the steps to upgrade your PHP version to PHP 8.2 on WordPress, we will give a brief PHP 8.2 overview to help you get acquainted with the update.

PHP 8.2 – An Overview

PHP (an acronym for Hypertext Preprocessor) is a popular open-source scripting language used by coders worldwide for web and application development. This high-level programming language is easy to learn, hence preferred by starters and novice coders. Still, it is also complex enough to cater to the needs of a professional programmer.

PHP 8.2 is the latest update of PHP and has come up with new features, functions, and methods to facilitate the developers and provide the best user experience.

Previously, PHP had released 8.1 in November 2022, ending the support of PHP 7.3. The later version, 7.4, was also discontinued with the release of 8.2. Currently, PHP supports only 8.0, 8.1, and 8.2 versions.

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PHP 8 Compatibility With WordPress

With every update come compatibility issues. If you want to have a hassle-free PHP 8 experience, we recommend opting for the latest WordPress version, such as 6.1 and 6.2. 

Are you running your website on an older WordPress version but are skeptical about upgrading in fear of getting errors? Don’t worry; you can test your website via a staging environment and proceed with upgrading your live website safely to a newer WordPress version.

If you get any errors in the staging environment, then we’d recommend getting the help of a professional WordPress developer to diagnose and debug the errors before you move ahead with the update.

PHP 8 – Themes & Plugins Compatibility

Discomforts accompany every change; similar is the case with PHP 8. While PHP 8 offers extensive features to support its users and provide them with an ideal user experience, it brings the themes and plugin incompatibility issues.

PHP isn’t the player to be blamed here, as the themes and plugins should be updated to work with the latest software versions. If your favorite and irreplaceable plugin or theme is making problems with PHP 8, then try out the following solutions.

  1. Rollback to the previous PHP version. (A boring option)
  2. Contact the support team of the theme or plugin about compatibility issues for a better user experience with the latest versions.

PHP 8 on WordPress: Installation Prerequisites

Before upgrading to PHP 8.2, it’s wise to check the current PHP version that your WordPress site is running.

Using an older version? You can upgrade the PHP version to enjoy the new features and improvements. But not so fast! Remember, safety always comes first. When we talk about security, we consider the “what ifs.”

What if your site is not compatible with the latest version, and you end up losing or corrupting your data in the process. Nope, you don’t want that.

Don’t lose hope; you can create a clone of your website to test it on the latest version.

If the clone website works smoothly after upgrading to PHP 8.2, you can move ahead with updating your actual site. This portion will list out the steps to create a clone website to test it under PHP 8.2.

Clone a Website via Your Web Hosting Provider

Fortunately, managed WordPress hosting solutions like Cloudways allow users to create their site’s duplicate without dealing with any complexities. Follow the steps below to create your website’s clone via Cloudways.

  • Log in to Cloudways with your credentials.

Log in with Cloudways

  • Locate the application you want to clone and click the 3 vertical dots next to it.
  • Select “Clone App/Create Staging” from the options.

select application

  • Choose a server for the clone application and checkmark the option to create it as a staging site. Then, click “Continue.”

create staging site

  • Wait for the system to check the requirements for your staging application.


  • After approximately 2 minutes, your cloned app will be ready.
  • Look for the “www” icon next to the server you selected, and click on the staging site.

clone ready

  • Now, you are all set to experiment and make changes to the clone application.

Note: Clone App and Create as Staging are different functionalities. Clicking Clone App will only clone your website. Whereas, Create as Staging will sync the live and staged applications to allow you to perform Push/Pull actions on both the replica and live versions.

How to Update PHP in WordPress to PHP 8.2 on Cloudways

Cloudways announced its availability of PHP 8 earlier this year, maintaining its reputation of being the early bird to accept the latest updates and providing the best PHP hosting. Want to update your PHP version on Cloudways? Follow the easy steps below to upgrade your current PHP version to PHP 8.2.

Note: Cloudways recommends keeping a backup of your server before upgrading to a newer PHP version. Keeping a backup will help you restore your application if you feel the need to revert to your previous PHP version anytime in the future.

Log in with Cloudways

  • Signup on Cloudways. Already have a Cloudways account? Log in with your credentials.

Log in with Cloudways

Select Server

  • Click on Total Servers.

select server

  • Select the server of your choice.

select server

Upgrade Your PHP Version

  • Click on Settings & Packages on the left side.
  • Click on the Packages tab.
  • Click Modify on the PHP box and select 8.2 from the drop-down.

update PHP version

  • The setup will prompt you with a warning to ensure that your application is compatible with the selected PHP version. If yes, then click OK.

click continue to upgrade PHP version

  • The setup will take a few minutes to finish, and it will notify you once the update is done. After getting the notification, you can enjoy working with PHP 8.2

PHP 8.2 update

  • There you go! Your PHP version has been upgraded to PHP 8.2

updated PHP version

PHP Supported Versions on WordPress

WordPress supports the following three PHP versions ranging from PHP 8.0 to the latest version 8.2

  • PHP 8.0
  • PHP 8.1
  • PHP 8.2

PHP compatible versions

Note: Keep in mind that you won’t receive any PHP security updates if you are not using the latest PHP version. We recommend using the 8.2 PHP version.

What Is Holding Back Users From Updating to PHP 8.2?

The major reason that’s holding back users from upgrading to PHP 8 is the incompatibility of their favorite themes and plugins with PHP 8.

That said, every savvy user would like to enjoy the latest PHP features and RFC improvements. Anyone who wants to stay back and keep working with the legacy software would abstain from upgrading their PHP version.

Using the latest PHP versions allows for better and easier development of new features and also facilitates maintenance. Even if some of the themes and plugins are not working on PHP 8.2, they will eventually be updated.

Why Should You Upgrade to PHP 8?

Imagine using an outdated image editing tool for making logos or editing photos. While the world has moved to the latest version and is saving time and getting better quality and performance with the latest edition, you are still doing it the old way. Not really a smart decision, right?

Similarly, why would anyone abstain from upgrading to a newer PHP version when the new upgrade is specifically introduced to bring ease to the user’s end? You should definitely upgrade to PHP 8.2 if you want to benefit from the latest features and get better error handling, improved RFCs, and optimizations.

PHP 8.2 will have active support and security updates planned through November 25, 2025. This longevity makes this newest version a lot more trustworthy and secure than the previous versions.

Most of the popular WordPress plugins and themes have accepted PHP 8 and are now compatible with it.

We ran a loader test to check PHP 8’s performance on the Cloudways server and deduced the following results:

PHP 8 loader test

Source: Loader Test of PHP 8.0 on Cloudways Server

The average response time for the same WordPress website is 164 ms, and the total success response counts are 3836.

Currently very few WordPress sites are using PHP 8.2. As per our experience, WordPress delivers the best performance with PHP 8.2 and gives better speeds than the previous PHP versions. It’s a good practice to use the latest versions, so the number of people migrating from 7.4 to 8.0 is gradually increasing with time.

Evolution of PHP versions

~ Image Source: Stitcher

PHP has worked on the issues reported by the users in the previous versions, and the latest version is free from many recurring problems and has introduced new features.

To enjoy the services at their full potential, you will have to upgrade to the newest WordPress PHP version, as the older versions may eventually fade out or will be declined by most themes and plugins.

PHP currently supported versions

~ Image Source: PHP Supported Versions

Disadvantages of Using Older PHP Versions on WordPress

All PHP versions before 8.0 have reached their end of life, and it is advised to upgrade to the latest version if you are using any of the older versions, as it will make you vulnerable to unpatched security errors. Even 8.0 will reach the end of life on 26 Nov 2023.

Why would you risk your website to security vulnerabilities when you can easily upgrade to the latest version and enjoy the new improvements and features?

Also, ensure that you opt for a secure WordPress hosting provider to safeguard your sites from malicious traffic, DDoS attacks, and malware.

Using older PHP versions won’t only provide security issues but also will affect your website’s performance.

Which sane person compromises performance in this competitive era, where everyone is following the best practices to boost their site’s performance and gain their user’s attention?

Improve your website’s performance and security by halting the usage of older PHP versions, and upgrade your WordPress website’s PHP version to 8.2 to maximize safety and performance.

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Final Thoughts

This blog covers PHP 8’s compatibility with WordPress and the steps to upgrade your PHP version to 8.2. The information shared in this guide will help you make the right decision to upgrade to PHP 8.2 on your WordPress site and enjoy the benefits of the newest update.

Ranging from the supported versions, the disadvantages of using the old PHP version, and the reasons to upgrade to 8.2, we have tried to cover it all. Still, if any questions are popping up in your head, please feel free to comment with your queries; and we will answer all of them ASAP.

Can WordPress use PHP 8?

Yes, WordPress can use PHP 8, and it is recommended to use PHP 8.2 with WordPress 6.0 or 6.1 for compatibility and better performance.

If you are using an older WordPress version, you can test your site with WordPress 6.0 in a staging environment. If you don’t experience any issues, then upgrade your live WordPress site to enjoy using PHP 8.2 on WordPress.

Is WordPress compatible with PHP 8?

Yes, if you want to benefit from the latest features, better error handling, improved RFCs, and optimizations, you should upgrade your PHP version to PHP 8.

Should I upgrade to PHP 8?

Yes, if you want to benefit from the latest features, better error handling, improved RFCs, and optimizations, you should upgrade your PHP version to PHP 8.

What version of PHP should I use for WordPress?

We recommend using PHP 8.2 with WordPress if you are using at least WordPress 6.0. The oldest PHP version that we recommend using with WordPress is PHP 8.0.

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Sarim Javaid

Sarim Javaid is a Digital Content Producer at Cloudways. He has a habit of penning down his random thoughts and giving words and meaning to the clutter of ideas colliding inside his mind. His obsession with Google and his curious mind add to his research-based writing. Other than that, he's a music and art admirer and an overly-excited person.


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