The parameter name is optional in PHPStan but not supported by Psalm. While neither tools are officially supported, this removes the parse error that Psalm users otherwise see. See https://github.com/php-stubs/wordpress-stubs/issues/410 for some external discussion. Props farhad0, marian1 See #64224 Built from https://develop.svn.wordpress.org/trunk@61505 git-svn-id: http://core.svn.wordpress.org/trunk@60816 1a063a9b-81f0-0310-95a4-ce76da25c4cd