All help articlesPHP on Flywheel
PHP is the open-source scripting language that WordPress is built on. Keeping your site’s PHP version up-to-date allows your site to utilize all of PHP’s latest features and improvements, resulting in optimized security and speed.
Table of Contents:
1. PHP versions available on Flywheel
2. How to check a site’s PHP version
3. How to filter your sites by PHP version
4. How to request a PHP upgrade
5. FAQ
PHP versions available on Flywheel
Flywheel currently supports the following PHP versions, which are fully compatible with WordPress and receive periodic updates from the PHP group:
Note
All new sites created on Flywheel are spun up with PHP 7.4 by default.How to check a site’s PHP version
- Click Sites in the main menu to view all your sites.
- Click on the desired site name.
- Go to the Advanced tab, the site’s PHP version is on the right sidebar.
How to filter your sites by PHP version
- Click Sites in the main menu to view all your sites.
- Click Filter Sites.
- Under Site Settings, select a PHP version and only the sites on that version will display.
How to request a PHP upgrade
Flywheel’s awesome support team can quickly upgrade your sites to the latest version. Just reach out to our Happiness Engineers!
Note
Legacy (aka non-cloud) bulk plans share an instance-wide PHP version, which means that all sites on the bulk plan must be on the same PHP version. An upgrade to PHP on this type of plan would affect multiple sites, so only the bulk plan’s owner can submit a request in this case.FAQ
Does Flywheel offer PHP 8.0?
Not yet. PHP 8.0 is a major version update with a large number of changes that break backwards compatibility. Also, many features that were deprecated within the PHP 7.x feature releases have been officially removed, which may result in incompatibility with certain plugins and themes.
WordPress itself has not confirmed full compatibility with PHP 8.0. However, once that happens, our team will ensure compatibility with Flywheel and make it available for upgrade soon thereafter.
Can I use PHP 7.0, 7.1, or 7.2 on Flywheel?
No. These versions have been deprecated and are no longer supported or maintained by the PHP Group, so they are not available on Flywheel.
Can I upgrade the PHP version myself?
Not yet. We are looking to add this functionality to the Flywheel dashboard in the future!
Does Flywheel disable any PHP functions?
Yes, we do. For the full list, check out this help article:
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Using SSH tunneling to access your site’s database
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Deploying to Flywheel via SSH and GitHub Actions
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Connecting to Flywheel’s SSH Gateway
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