This way, function calls become self-documenting and arguments order becomes arbitrary. Named arguments allow passing arguments to a function based on the parameter name rather than position. For more information about migrating your code, refer to the Migrating from PHP 7.4.x to PHP 8.0.x guide. For more information about new functionality in this version, refer to the release announcement. PHP 8.0 brings new features, syntax additions, and bugfixes.