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Date: Wed, 29 Nov 2023 07:58:18 +0900
Message-ID: <CAEPPVa2xgCh-Y2ovTL3=gX5vtTyiSAiNDnKLWPpohYCJ5Tr-cQ@mail.gmail.com>
To: internals@lists.php.net
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Subject: Re: [PHP-DEV] Deprecate declare(encoding='...') + zend.multibyte +
 zend.script_encoding + zend.detect_unicode ?
From: youkidearitai@gmail.com (youkidearitai)

2023=E5=B9=B411=E6=9C=8829=E6=97=A5(=E6=B0=B4) 7:41 Hans Henrik Bergan <div=
inity76@gmail.com>:
>
> btw if we come to some consensus to my php2utf8.php script is actually
> worthwhile to expand on, i can volunteer to add more encodings (SJIS,
> BIG5, anything supported by mbstring),
> but it wouldn't surprise me if a better approach exist and the script
> should be rewritten entirely~
>
> >add that what's special about UTF-8 isn't that it's "fixed-endian".
>
> should've added this to the last post, but the "zend.detect_unicode"
> ini-option is specifically to scan for BOMs, and BOMs are
> significantly less useful in fixed-endian encodings (like UTF8) than
> bi-endian encodings (like UTF16/UTF32) ^^
>
> On Tue, 28 Nov 2023 at 21:47, Hans Henrik Bergan <divinity76@gmail.com> w=
rote:
> >
> > > What is the migration path for legacy code that use those directives?
> >
> > The migration path is to convert the legacy-encoding PHP files to UTF-8=
.
> > Luckily this can be largely automated, here is my attempt:
> > https://github.com/divinity76/php2utf8/blob/main/src/php2utf8.php
> > but that code definitely needs some proof-reading and additions - idk
> > if the approach used is even a good approach, it was just the first i
> > could think of, feel free to write one from scratch
> >
> >
> > >Can you share a little more details about how this works?
> >
> > I hope someone else can do that, but it allows PHP to parse and
> > execute scripts not written in UTF-8 and scripts utilizing
> > BOM/byte-order-masks.
> >
> > >add that what's special about UTF-8 isn't that it's "fixed-endian".
> >
> > one of multiple good things about UTF-8 is that it's fixed-endian, and
> > UTF8 don't need a BOM to specify endianess (unlike UTF16 and UTF32
> > which are bi-endian, and a BOM helps identify endianess used~)
> >
> > >If the solution is as easy as just converting the encoding of the
> > source file, then why did we even need to have this setting at all?
> > Why did PHP parser support encodings that demanded the introduction of
> >
> > I've read your question but don't have an answer to it, hopefully
> > someone else knows.
> >
> >
> > On Tue, 28 Nov 2023 at 21:09, Claude Pache <claude.pache@gmail.com> wro=
te:
> > >
> > >
> > >
> > > > Le 28 nov. 2023 =C3=A0 20:56, Kamil Tekiela <tekiela246@gmail.com> =
a =C3=A9crit :
> > > >
> > > >> Convert your PHP source files to UTF-8.
> > > >
> > > > If the solution is as easy as just converting the encoding of the
> > > > source file, then why did we even need to have this setting at all?
> > > > Why did PHP parser support encodings that demanded the introduction=
 of
> > > > this declare?
> > >
> > > It is not necessary as simple: because your code base may contain lit=
eral strings, and changing the encoding of the source file will effectively=
 change the contents of the strings.
> > >
> > > =E2=80=94Claude
> > >
>
> --
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>

Hi, Hans

Is this convert PHP code from any encoding to UTF-8?
If correct, PHP code is coded various character encoding,
It is very difficult.
This is because it is not necessarily implemented in UTF-8.

In the world, we have many character encoding.
PHP code will be difficult to unify.

Regards
Yuya

--=20
---------------------------
Yuya Hamada (tekimen)
- https://tekitoh-memdhoi.info
- https://github.com/youkidearitai
-----------------------------