Okay, here’s the deal. At Web Aloha, we don’t play around with plain WordPress installations for PHP compatibility testings(like some do), we think that’s bullshit pretty useless.
I mean, seriously, how many people are running a default WordPress site these days? If you know someone, send them our way. Our web design services will make their website great [again]. And if you’re curious what tech stack any site is running, our website technology checker can show you the details.
So, we’ve started by switching the PHP version to 8.4.1 on five of our live WordPress sites. And after some tests, we took it up a notch and switched our whole server to use PHP 8.4.1. Risky? Maybe. Worth it? Totally. We big ballin’ here. 😏
The results? Drumroll, please… PHP 8.4 is fully compatible with the latest WordPress version & many popular plugins.
In this article, we’ll prove it with some real life examples. Plus you’ll see the list of some popular plugins that passed the test. The last but not least – we will explain why your website deserves to be dressed in the sleek, lightning-fast armor of PHP 8.4.
2026 update: a year has passed and we’ve covered WordPress compatibility with PHP 8.5 as well. We highly recommend reading it & updating your sites to the latest version, like we did. If for some reason you choose PHP 8.4 instead, then continue reading.
Before we dive in, here’s a quick peek at our own website’s WordPress dashboard:
Next, we will show off more examples with bigger, more complex sites & e-commerce stores that we manage.
By the way, here’s a cool little tool built by our Web Aloha team: Online PHP Version Checker. It shows the PHP version of most sites (depending on the server). Use it to double-check the examples we mention here. Just to make sure we’re not bullshittin’ telling the truth. As Bilbo Baggins would say: “And it’s times like that, my lad, when you have to be extra careful”.
Okay, now let’s talk about how well WordPress works with PHP 8.4:
WordPress Compatibility with PHP 8.4
In short, WordPress 6.X+ plays super nice with PHP 8.4. As for now, some of our web design projects rock PHP 8.4.1, giving our clients that extra edge in the digital jungle.
As of 2026, PHP 8.4 is one of the best PHP versions for WordPress websites.
Here are a few WordPress sites we manage that are happily cruising on the newest PHP versions, no issues whatsoever:
WordPress Websites Using PHP 8.4 or later:
- Web Aloha – The website you’re at right now
- Gavort – Business site, Lithuania
- Wat Pa Tam Wua – Multilingual site, Thailand
- Kikoi Connection – Organisation’s site, UK
- LLL Wellness – Personal site – Indonesia
- Wellington House Repiling – Business site, New Zealand
- Scorpio Agencies – Business site, New Zealand
- Spetsnaz Security UK – Business site, UK
- Balisavana – Business site, Indonesia
WooCommerce Compatibility with PHP 8.4
WooCommerce 9.X+ is totally cool with PHP 8.4. On our sites, we’ve thrown in all sorts of payment gateways(including Stripe, Paypal, Apple/Google pay). Plus various shipping setups, dynamic features, & multi-language options. Everything runs like a dream. Ready to convert visitors to buyers. 😏 Before upgrading your store, it’s smart to verify your SSL certificate and run a redirect check, you don’t want broken checkout flows after the switch.
WooCommerce Websites Using PHP 8.4 or later:
What Plugins are Compatible with PHP 8.4?
Here are some popular WordPress plugins that we confirm are compatible with PHP 8.4:
- Activity Log
- Advanced Woo Search
- All in One SEO
- Anti-Spam by CleanTalk
- Bookly WordPress Online Booking & Scheduling
- Cookie Notice & Compliance for GDPR
- Controlled Admin Access
- Elementor / Elementor Pro (read more: Elementor compatibility with PHP versions)
- Extra Custom Product Options For Woocommerce
- Flexible Checkout Fields
- Index WP MySQL For Speed
- LiteSpeed Cache
- Loco Translate
- Mailpoet
- Ocean Extra
- PDF Invoices & Packing Slips for WooCommerce
- Payment Plugins for PayPal WooCommerce
- Polylang
- Product Filter by WBW
- SEOPress
- ShortPixel Image Optimizer
- Site Kit by Google
- Smush
- Sucuri Security
- Tawk.to Live Chat
- Translatepress
- Updraft Plus
- WooCommerce Stripe Gateway
- Wordfence Security
- WP Mail SMTP
- WPVivid
- Yoast Duplicate Post
- Yoast SEO
We’re using all these plugins on our business & e-commerce WordPress sites without any issues. We’ve also tested a Hello Elementor & OceanWP themes. Again, both do the job on PHP 8.4. Want to see what plugins and themes any WordPress site is using? Try our WordPress theme and plugin detector.
Why Updating Your WordPress Site to PHP 8.4?
PHP 8.4 is no longer the newest branch, but that doesn’t make it a bad choice. Quite the opposite. If your hosting or plugin stack is not fully ready for PHP 8.5 yet, PHP 8.4 is still a strong, modern, and well-supported version to run WordPress on. Think of it as the safe middle ground between outdated PHP versions and the newest branch.
Upgrading your website to the recent PHP is a no-brainer. Not only does it give you a speed boost and better security, but it also means you’ll have active support for those inevitable hiccups. In the long run, it’s like future-proofing your site, fewer headaches, more peace of mind. And who wouldn’t want that?
Newer PHP versions are faster
Want to keep your visitors chill and happy? Give them speed! According to Think with Google, people start bailing if your page takes more than two seconds to load, two seconds, Carl!
And with the ultra-long attention span of the younger generations, speed’s more important than ever.
Yep, nobody’s got time for slow these days.
And let’s not forget about SEO: Google’s Page Experience guidelines give a big thumbs-up to sites that load fast. Want to see how your site measures up? Check it with our website performance checker. Long story short, a speedy site means more smiles, higher conversions, and that extra edge when combined with professional SEO services. Why crawl when you can surf?
Just check out how performance ramps up from PHP 7.4 to 8.3:
Newer PHP version = longer support
Each new version of PHP slams the door on old vulnerabilities, strengthens encryption methods, and comes with regular security patches. When you’re stuck on older PHP versions, you’re basically on your own, with little to no support for bug fixes.
Plus, most theme and plugin developers gear their updates toward the recent PHP releases, so you’ll dodge way more conflicts and keep your WordPress site running smoothly.
Bottom line: staying current with PHP is like upgrading your home security system.
Recent reports from cybersecurity companies (like Wordfence or Sucuri) show that website hacks have been climbing over the past few years. Hackers keep discovering new vulnerabilities. It’s kind of like a never-ending game of whack-a-mole, patch one hole, and the hackers pop up somewhere else.
That’s why keeping your site (and your PHP version) up to date is so crucial, it’s one of the easiest ways to stay one step ahead in this digital cat-and-mouse chase. While you’re at it, run a security headers check on your site, outdated PHP often goes hand-in-hand with weak server configurations.
To make it even more secure, enable only the PHP extensions your WordPress site actually needs, and disable the rest.
A new PHP version gets two full years of active support after it goes stable, that means regular bug fixes, security patches, and point releases galore. After that, it switches to security-only updates for another two years. Those releases happen whenever a critical bug pops up. But after four years, that version hits its end of life.
Take a look at official support chart from php.net:
So yep, upgrading WordPress site’s PHP is totally worth it. You get faster speeds, fewer bugs, stronger security, and way more peace of mind. Plus, newer versions keep your site in line with the latest WordPress updates and plugins. After upgrading, check your meta tags and Open Graph tags are still rendering properly, caching plugins sometimes need a flush after PHP changes. So why stick with an old, creaky setup when you can ride the wave of progress?
Summary: WordPress is Compatible with PHP 8.4
Here’s the scoop: the latest WordPress (and WooCommerce) versions vibe perfectly with PHP 8.4. And as you saw, we’re not just talking empty, out-of-the-box installs. We took it for a spin on actual business and eCommerce sites, and everything flowed smoothly. Once you’ve upgraded, give your site a quick once-over with our broken link checker and heading checker to make sure nothing got knocked loose.
However, we recommend running WordPress on PHP 8.5 for even faster speeds, stronger security, and awesome compatibility with all the new bells and whistles. If you want your site to ride the wave of modern web tech, PHP 8.5 is where it’s at.
And if you need help upgrading your PHP site, drop an Aloha to our team!
WordPress PHP 8.4: FAQ
Is WordPress compatible with PHP 8.4?
Yes. We tested WordPress on PHP 8.4 across real websites, not just clean demo installs, and it worked great. Business websites, content-heavy builds, WooCommerce stores, and multilingual setups all ran smoothly. If your plugins and theme are up to date, WordPress and PHP 8.4 are a solid combo.
Which WordPress versions support PHP 8.4?
Modern WordPress versions handle PHP 8.4 well. In practice, the safest move is simple: run the latest stable WordPress core, keep your theme and plugins updated, and avoid abandoned extensions. That’s what makes PHP 8.4 upgrades smooth in the real world.
Is WooCommerce compatible with PHP 8.4?
Yes. WooCommerce works well with PHP 8.4, and we’ve tested that on real stores too. Product pages, cart, checkout, multilingual setups, and payment-related flows all behaved properly. As always, the main thing to watch is not WooCommerce core, but older payment, shipping, or add-on plugins that haven’t kept up.
What plugins are compatible with PHP 8.4?
Most actively maintained WordPress plugins work fine with PHP 8.4. In our own testing, that included popular tools across SEO, caching, security, page building, backups, translation, and WooCommerce. The real risk usually comes from old plugins with poor maintenance, not from PHP 8.4 itself.
How do I check if my plugins are compatible with PHP 8.4?
The safest way is to test on staging, not on your live site. First, update WordPress core, your theme, and all plugins to their latest versions. Then switch the staging site to PHP 8.4 and test the important stuff properly: front-end pages, admin area, forms, checkout, custom templates, and any key integrations. After that, check the error logs for warnings or fatal errors. If everything works and the logs stay clean, your plugin stack is ready for PHP 8.4. Our WordPress theme and plugin detector can help you see exactly what’s running on any site.
Is PHP 8.4 stable for WordPress?
Yes. PHP 8.4 is a stable choice for WordPress. It offers strong performance, modern security support, and broad compatibility with updated themes and plugins. If you’re not ready to jump to PHP 8.5 yet, PHP 8.4 is a very sensible middle ground.
Should I use PHP 8.4 or PHP 8.5 for WordPress?
If your hosting and plugin stack are ready, PHP 8.5 is the better choice. It’s newer and gives you the longest runway going forward. But PHP 8.4 is still an excellent option if you want something modern, well-tested, and a little more conservative. Think of PHP 8.4 as the safe fallback, not the outdated one.
Is PHP 8.4 still supported in 2026?
Yes. PHP 8.4 is still a supported branch in 2026, which is one reason it remains a smart option for WordPress websites that are not moving to PHP 8.5 yet. It is not the newest branch anymore, but it is still modern, secure, and worth using.
Should I upgrade my WordPress site to PHP 8.4?
Yes, if your site is still on an older PHP version and your stack is reasonably up to date. PHP 8.4 brings better performance, stronger security, and a longer support window than older branches. If you’re unsure whether to go straight to PHP 8.5, PHP 8.4 is a smart upgrade step.
How do I safely upgrade WordPress to PHP 8.4?
Keep it simple: update WordPress core, your theme, and all plugins first, create a staging copy, switch staging to PHP 8.4, and test the key parts of the site properly. That includes front-end pages, admin screens, forms, WooCommerce flows, custom templates, and any important integrations. Review the error logs, then upgrade production only after staging looks clean. Run a redirect check after switching to make sure nothing broke in the process.
