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Date: Sun, 22 Oct 2017 08:25:53 +0200
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To: CHU Zhaowei <me@jhdxr.com>
Cc: Sammy Kaye Powers <me@sammyk.me>, PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Re:[PHP-DEV] [VOTE] Allow a trailing comma in function calls
From: kalle@php.net (Kalle Sommer Nielsen)

Hi CHU Zhaowei

2017-10-22 7:24 GMT+02:00 CHU Zhaowei <me@jhdxr.com>:
> Hello Sammy,
>
>
> I'd like to know if a trailing comma would affect the number of args or not. for example,
> ```
> function foo(){
>   return func_num_args();
>
> }
> foo('a','b',);
> ```
> would return 2 or 3?

With the current patch submitted for this RFC, your example will
return 2, as it will simply ignore the trailing comma at the end of
your call. You can see the more detailed test at github here[1].


[1] https://github.com/SammyK/php-src/compare/master...rfc-trailing-comma-function-calls#diff-88d4f8d1ae810e0722bf59cf1a739228

-- 
regards,

Kalle Sommer Nielsen
kalle@php.net