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Date: Wed, 29 Nov 2023 01:04:19 +0100
Message-ID: <CAJmy8YG4oBn1za1JaMpANXm+uugrwdMLCM5xO12eTjytkQK4Pw@mail.gmail.com>
To: youkidearitai <youkidearitai@gmail.com>
Cc: internals@lists.php.net
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Subject: Re: [PHP-DEV] Deprecate declare(encoding='...') + zend.multibyte +
 zend.script_encoding + zend.detect_unicode ?
From: divinity76@gmail.com (Hans Henrik Bergan)

Do you have access to a project actually using Shift_JIS? Interesting!
I thought they were practically unicorns / non-existent running PHP4,

Can you run
```
var_dump(array(
    "biao_hex" =3D> bin2hex("=E8=A1=A8"),
    "zend.multibyte" =3D> ini_get("zend.multibyte"),
    "zend.script_encoding" =3D> ini_get("zend.script_encoding"),
    "zend.detect_unicode" =3D> ini_get("zend.detect_unicode"),
    "mbstring.internal_encoding" =3D> ini_get("mbstring.internal_encoding")=
,
    "mbstring.func_overload" =3D> ini_get("mbstring.func_overload"),
    "PHP_VERSION" =3D> PHP_VERSION,
));
```
there? What do you get?

On Wed, 29 Nov 2023 at 00:47, youkidearitai <youkidearitai@gmail.com> wrote=
:
>
> 2023=E5=B9=B411=E6=9C=8829=E6=97=A5(=E6=B0=B4) 8:07 Hans Henrik Bergan <d=
ivinity76@gmail.com>:
> >
> > @youkidearitai right now the code specifically deals with
> > - UTF8: removing UTF8 BOM and removing `declare(encoding=3D'UTF-8');
> > - UTF16LE/UTF16BE/UTF32LE/UTF32BE: converting to UTF8 removing the BOM
> > and removing declare(encoding=3D'...')
> > - ISO-8859-1: converting to UTF-8 and removing
> > declare(encoding=3D'ISO-8859-1'), i couldn't really find information on
> > a ISO-8859-1 BOM, so to the best of my knowledge it does not exist
> >
> > it does not deal with any other encodings as of writing, but more can
> > be added if needed.
> >
>
> Hi, Hans
>
> I see. I understand the argument.
> At least, Japanese character encoding seems not using declare(encoding=3D=
...).
>
> Probably, we use zend_encoding implicitly.
> If delete zend_encoding, In SJIS (Shift_JIS) probably will occur 5c probl=
em.
>
> For example is below:
>
> $val =3D "=E8=A1=A8"; // =E8=A1=A8 is 0x955c, script see 0x5c22, therefor=
e, Throw on Parse Error
>
> Please see about 5c problem https://blog.kano.ac/archive/posts/1654_5c-pr=
oblem/
>
> I would like to maintain backwards compatibility. zend_encoding seems
> can't delete.
>
> Regards
> Yuya
>
> --
> ---------------------------
> Yuya Hamada (tekimen)
> - https://tekitoh-memdhoi.info
> - https://github.com/youkidearitai
> -----------------------------
>
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