Description:
------------
1. this:
https://www.php.net/manual/en/functions.arguments.php#functions.variable-arg-list
- and/or this:
https://www.php.net/manual/en/functions.arguments.php#functions.named-arguments
- sections miss this:
https://wiki.php.net/rfc/named_params#variadic_functions_and_argument_unpacking
description. or maybe it's been already put to some other place in php docs?

2. this:
https://www.php.net/manual/en/function.call-user-func-array.php
- section misses this:
https://wiki.php.net/rfc/named_params#call_user_func_and_friends
- description.

3. this:
https://www.php.net/releases/8.0/en.php#named-arguments
- page misses this:
https://www.php.net/manual/en/functions.arguments.php#functions.named-arguments
- link. Other sections on this page do have links to corresponding docs page, but this section for some reason doesn't.