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Date: Tue, 26 Mar 2024 14:40:04 +0000
To: "php internals" <internals@lists.php.net>
Subject: Re: [PHP-DEV] [RFC] [Discussion] Support object type in BCMath
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From: larry@garfieldtech.com ("Larry Garfield")

On Tue, Mar 26, 2024, at 12:50 PM, Saki Takamachi wrote:
> Hi Barney,
>
>> No, that's not quite what I meant - I meant more like the opposite:
>>=20
>>=20
>> ```
>> $bcNum =3D new BcNum('1234567890123456789.23456789');
>> echo $bcNum->format(8, '.', ',') // 1,234,567,890,123,456,789.23456789
>> ```
>>=20
>>=20
>> Maybe also worth providing a way to specify that all decimals should =
be printed, instead of just a fixed number of decimals.
>
> Ah I see! It sounds exactly like `number_format`. Sure, this might mak=
e=20
> sense. To me, this seems worth supporting.
>
>
> BTW,
> ```
> $bcNum =3D new BcNum('1234567890123456789.23456789=E2=80=99);
> ```
>
> When I saw this, I thought that the behavior when $scale is omitted is=20
> that in addition to the option of "using the global setting value",=20
> there is also the option of "counting the length of `$num` and storing=20
> all `$num`=E2=80=9D. In other words, it does not use any global settin=
gs.
>
> Which of these do you think is better?

Global mode settings are an anti-pattern in most cases.  Please avoid th=
ose whenever possible, as they lead to unpredictable behavior.

--Larry Garfield