Template:MediaWiki PHP 8
If using PHP8, it is recommended to use MediaWiki 1.38.4+, or 1.39 or higher. PHP8 is not in use by Wikimedia wikis, and thus gets less testing, but other groups do use MediaWiki with PHP8 without issue. If you encounter any bugs when using MediaWiki with PHP8, please report them. See task T248925 for more information.
Template documentation
Usage
{{MediaWiki PHP 8}}