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To: PHP internals <internals@lists.php.net>
Cc: Claude Pache <claude.pache@gmail.com>
References: <1ae611cb-b077-3db0-3237-c7ffa1c6e745@ralphschindler.com>
 <51A66F1F-F7AC-4D2A-A142-6BAB4471721C@gmail.com>
Message-ID: <5d4f9f33-e9a1-a167-766a-de70015efe23@ralphschindler.com>
Date: Thu, 1 Jul 2021 12:03:10 -0500
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Subject: Re: [PHP-DEV] [Proposal] call_user_func_map(): flexible named
 parameter mapping for call_user_func*
From: ralph@ralphschindler.com (Ralph Schindler)


> If you want to ignore arguments in excess, your function may have a rest parameter collecting them. The following will run without error:
> 
> ```php
> function foo($c, $a, ...$unused) {
>      var_dump($a, $c);
> }
> 
> $args = [
>      'a' => 'the a value'
>    , 'b' => 'the b value'
>    , 'c' => 'the c value'
> ];
> 
> foo(...$args);
> ```

This seems like a fairly clean alternative syntax with the only downside 
is an unused variable.

Thanks for the idea!

-ralph