PHP Version Checker Online

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Need to quickly check what PHP version a website is running, without logging into hosting or WordPress?

Paste a website URL, hit the button, and find out the PHP version:

How the Online PHP Version Checker Works

This tool checks publicly visible server signals to detect the PHP version a website is running. Here's the process:

  1. Paste a URL, enter any website address. The tool automatically normalizes it and tries both root and common paths.
  2. Server scan, the checker inspects HTTP response headers (like X-Powered-By and Server) for PHP version signatures.
  3. Result, if the server exposes PHP info, you get the detected version with a confidence level. If the site hides its stack, you'll see "Not detectable."

No login, no hosting access, no WordPress dashboard needed. Just a URL and a few seconds.

Why Check Your PHP Version?

PHP is the engine behind most of the web, WordPress, WooCommerce, Drupal, Laravel, and millions of custom sites all run on it. But unlike a car dashboard, most websites don't show you what version is under the hood.

That matters because outdated PHP versions stop receiving security patches. Once a version hits end-of-life, every newly discovered vulnerability stays permanently unfixed. Your site keeps running, but the lock on the door is broken and nobody's coming to fix it. Run a security headers check alongside this to get a full picture of your server's security posture.

Performance is the other side. PHP 8.4 and 8.5 are significantly faster than older branches, we're talking up to 33% more requests per second in real WordPress benchmarks. That translates to faster page loads, better Core Web Vitals, and happier visitors. Use our performance checker to measure the impact.

If you're running a WordPress site, we've written detailed guides on which PHP version to use and which PHP extensions WordPress needs. You can also use the WordPress Theme & Plugin Detector to see the full stack a site is running, or check any site's full technology stack to see what's under the hood.

PHP Version Support Timeline

Not sure if your PHP version is still supported? Here's the current lifecycle for every PHP branch from 8.0 to 8.5, including active support dates, security-only windows, and known CVE counts.

Version Status Active support ends Security fixes until Known CVEs
PHP 8.0 EOL Nov 2023 Nov 2023
24+
PHP 8.1 EOL Nov 2024 Dec 2025
9
PHP 8.2 Security only Dec 2024 Dec 2026
4
PHP 8.3 Active Nov 2026 Dec 2027
2
PHP 8.4 Active Nov 2027 Dec 2028
0
PHP 8.5latest Active Nov 2028 Dec 2029
0*

CVE counts from php.net security advisories and NVD. EOL versions receive zero patches, any newly discovered exploit is permanently unfixed. *PHP 8.5.0 had 3 CVEs (CVSS 6.5); all patched in 8.5.1. Current release: 8.5.4.

If your site is on anything below PHP 8.2, it's time to move. For a step-by-step walkthrough, check our guide on upgrading WordPress to PHP 8.5 safely.

PHP Version Checker: FAQ

How do I check the PHP version of a website online?
Just paste the domain into our online PHP checker and run the scan. The tool looks for public server signals that may reveal the PHP version a website is using. It is the fastest way to get a best-effort public PHP version check without logging into hosting, cPanel, or WordPress.
Can I check the PHP version of any website?
You can try checking any website, but not every site exposes enough public information for PHP version detection. Some websites intentionally hide those details through server settings, security layers, CDNs, or reverse proxies. That means the tool can often detect a version, but not always. When a website keeps its server details hidden, the result may come back as not detectable.
Why does the tool sometimes show "Not detectable"?
Usually, that means the website is configured to hide PHP version details from public view. In some cases, it can also happen because the site is behind a CDN, proxy, security layer, or a setup that strips server headers. It can also mean the site is not running PHP at all. So "Not detectable" does not automatically mean there is a problem. It usually just means the version is not publicly visible.
Is this PHP version checker accurate?
When the tool finds a PHP version with strong public evidence, the result is usually accurate. But it is still a public detection method, not a direct server login or hosting-panel check. That means you should treat the result as best public detection, not as an absolute guarantee in every setup. If you own the site, checking from inside WordPress or hosting is always the most reliable method.
How can I check the PHP version of a WordPress website?
If you want to check a WordPress website from the outside, this tool is a quick first step. It can detect the PHP version when the site exposes enough public signals. If you own the WordPress site, the more reliable method is to open Dashboard → Tools → Site Health → Info → Server. That will show the actual PHP version directly inside WordPress.
What is the latest PHP version right now?
Right now, the latest PHP version is PHP 8.5. If you are reviewing your stack, that makes it a strong reference point for what "current" looks like. Newer supported PHP versions usually give you better performance, better security, and stronger long-term compatibility than older branches.
Which PHP version should my website use?
In most cases, the best choice is a currently supported PHP version that works cleanly with your CMS, theme, plugins, and hosting setup. For most modern WordPress sites, that means staying on a recent supported branch instead of lingering on older versions. Our top picks are PHP 8.5 and PHP 8.4 because they offer the best mix of performance, security, and future-readiness.
What should I do if my site is running an old PHP version?
You should plan a PHP upgrade. Newer PHP versions usually improve security and performance, and they reduce the risk of compatibility issues building up over time. The safest path is to back up the site first, confirm plugin and theme compatibility, then test key functions after upgrading. If you want zero guesswork, our team can handle the PHP upgrade for you.
Does this PHP version checker store the websites I check?
No. This tool only runs the PHP version check and returns the result. We do not store a list of checked domains and we do not collect personal data through the tool itself. That makes it a simple and privacy-friendly way to check a site's publicly detectable PHP version.

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