Checking your PHP Version
The easiest way to check your PHP version in WordPress is to do so directly from your dashboard. Your PHP version should be at least 7.2. If it's not, please contact your host and they will update your PHP version for you.
1. Navigate to Tools > Site Health.
2. Click the Info tab at the top.
3. Scroll down, and click Server
4. Find PHP version
Mine says 8.0.19 see easy peasy.