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Date: Wed, 12 Jul 2017 14:12:28 +0200
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To: =?UTF-8?Q?Bart=C5=82omiej_Krukowski?= <krukowski.bartlomiej@gmail.com>
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Subject: Re: [PHP-DEV] RFC proposal - unpack iterator
From: ocramius@gmail.com (Marco Pivetta)

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On Wed, Jul 12, 2017 at 2:09 PM, Bart=C5=82omiej Krukowski <
krukowski.bartlomiej@gmail.com> wrote:

> Hello,
>
> Yes, this is exactly what I would like to achieve.
>
> Best regards
>
> 2017-07-12 14:06 GMT+02:00 Marco Pivetta <ocramius@gmail.com>:
>
>> On Wed, Jul 12, 2017 at 11:22 AM, Bart=C5=82omiej Krukowski <
>> krukowski.bartlomiej@gmail.com> wrote:
>>
>>> Hello,
>>> From PHP 5.6 we have possibility to add variadic functions and unpackin=
g
>>> arrays via *...*
>>> Would be nice to extend responsibility of *...*. Sometimes in code I ca=
n
>>> find lines similar to the following:
>>>
>>> $result =3D array_merge(['some value'], ['some other value'], $array);
>>>
>>>
>>> I would like to shorten this line to the following:
>>>
>>> $result =3D ['some value', ['some other value'], ...$array];
>>>
>>>
>>> And even allow to unpack more than one array:
>>>
>>> $result =3D ['some value', ['some other value'], ...$array,
>>> ...$secondArray];
>>>
>>>
>>> Using new operator we can produce shorter and more clearable code. I
>>> would
>>> like to create RFC for my proposal. If you think idea can be useful,
>>> please
>>> give me an access for creating RFC.
>>>
>>> Best regards
>>>
>>
>> Would this allow operations such as the following one?
>>
>> $a =3D [0];
>> $b =3D [1];
>> $otherArrays =3D [[2,3], [4,5]];
>> $mergeAll =3D [...$a, ...$b, ...[...$otherArrays]]; // [0, 1, 2, 3, 4, 5=
]
>>
>> Marco Pivetta
>>
>> http://twitter.com/Ocramius
>>
>> http://ocramius.github.com/
>>
>>
>>
>
TBH, I'd like to have a functional approach to this, so that I can use
functional composition instead of operators (`array_map('...', $values))`).

Still, the addition is very nice and complimentary with the existing
splat/variadic argument stuff :D

Marco Pivetta

http://twitter.com/Ocramius

http://ocramius.github.com/

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