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Date: Sat, 31 Jan 2026 05:25:53 +0100
User-Agent: Mozilla Thunderbird
Subject: Re: [PHP-DEV] [RFC] Partial Function Application for instance of
 non-static methods ("$this")
To: =?UTF-8?Q?Tim_D=C3=BCsterhus?= <tim@bastelstu.be>,
 php internals <internals@lists.php.net>,
 Arnaud Le Blanc <arnaud.lb@gmail.com>
References: <64953ec741a4c6609519e1878ad37b54@bastelstu.be>
 <1c8827c1-a860-4e40-89fd-51698cbbe475@hotmail.com>
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From: bobwei9@hotmail.com (Bob Weinand)

Oh, I should scroll past the implementation section.

On 31.1.2026 05:21:12, Bob Weinand wrote:
> Hey Tim,
>
> On 22.1.2026 10:50:26, Tim Düsterhus wrote:
>> Hi
>>
>> Arnaud and I would like to start discussion on our RFC “Partial 
>> Function Application for instance of non-static methods ("$this")” 
>> which is intended to round-off the Partial Function Application RFC 
>> that was accepted recently:
>>
>> https://wiki.php.net/rfc/partial_function_application_this
>>
>> Best regards
>> Tim Düsterhus
>
>
> I've been thinking about this RFC and I think it's a good addition.
>
>
> I just have one question: Why "$this: $obj" and not "this: $obj"? The 
> variable in the function is "$this". Just like "$arg", which gets 
> passed as "arg: $value", without the extra leading dollar-sign.
>
> (There's also no conflict, as you may not redeclare $this yourself in 
> a non-static method.)
>
> When I see $<varname> before the colon, I sort of expect a dynamic 
> parameter name, but it's not.
>
>
> Thanks,
>
> Bob 


I see the rejected features section, but this is a non-argument to me, 
like x(...['$this' => $obj]) is just allowed the same currently.

I don't think that argument weighs strong enough.


Bob