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Date: Sun, 30 Jun 2024 18:08:43 +0200
To: =?UTF-8?Q?Tim_D=C3=BCsterhus?= <tim@bastelstu.be>,
 "Saki Takamachi" <saki@sakiot.com>
Cc: internals@lists.php.net
Subject: Re: [PHP-DEV] [RFC] [Discussion] Add bcdivmod to BCMath
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From: rob@bottled.codes ("Rob Landers")

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On Sun, Jun 30, 2024, at 17:45, Tim D=C3=BCsterhus wrote:
> Hi
>=20
> On 6/30/24 17:31, Rob Landers wrote:
> > - list() -- kinda
>=20
> That is not a function.
>=20
> > - array_shift(), array_pop(), etc.
>=20
> These do not return by out-parameter. These return the value and modif=
y=20
> the array by reference to remove the returned value.
>=20
> > - preg_match*()
>=20
> These only return supplementary data by an out-parameter. The main=20
> result ("does the RFC match") is returned regularly.
>=20
> > - all the sorts
> >=20
> These do not return anything, they modify the array in-place, which is=20
> something different than returning something.
>=20
> Best regards
> Tim D=C3=BCsterhus
>=20

We can argue the semantics of input/output, but the point still stands t=
hat return by reference is still more common than structured array, and =
even then, those are usually much bigger things.

=E2=80=94 Rob
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<!DOCTYPE html><html><head><title></title><style type=3D"text/css">p.Mso=
Normal,p.MsoNoSpacing{margin:0}</style></head><body><div>On Sun, Jun 30,=
 2024, at 17:45, Tim D=C3=BCsterhus wrote:<br></div><blockquote type=3D"=
cite" id=3D"qt" style=3D""><div>Hi<br></div><div><br></div><div>On 6/30/=
24 17:31, Rob Landers wrote:<br></div><div>&gt; - list() -- kinda<br></d=
iv><div><br></div><div>That is not a function.<br></div><div><br></div><=
div>&gt; - array_shift(), array_pop(), etc.<br></div><div><br></div><div=
>These do not return by out-parameter. These return the value and modify=
&nbsp;<br></div><div>the array by reference to remove the returned value=
.<br></div><div><br></div><div>&gt; - preg_match*()<br></div><div><br></=
div><div>These only return supplementary data by an out-parameter. The m=
ain&nbsp;<br></div><div>result ("does the RFC match") is returned regula=
rly.<br></div><div><br></div><div>&gt; - all the sorts<br></div><div>&gt=
;&nbsp;<br></div><div>These do not return anything, they modify the arra=
y in-place, which is&nbsp;<br></div><div>something different than return=
ing something.<br></div><div><br></div><div>Best regards<br></div><div>T=
im D=C3=BCsterhus<br></div><div><br></div></blockquote><div><br></div><d=
iv>We can argue the semantics of input/output, but the point still stand=
s that return by reference is still more common than structured array, a=
nd even then, those are usually much bigger things.</div><div><br></div>=
<div id=3D"sig121229152">=E2=80=94 Rob<br></div></body></html>
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