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Subject: Re: [PHP-DEV][DISCUSSION] grapheme_* functions adds locale in
 parameter (or any?)
In-Reply-To: <CAEPPVa0aqWibJ4GEmjYpMSJ1v_ThbviD_ok11ACJ1=H4s3Ldbw@mail.gmail.com>
Date: Thu, 5 Jun 2025 11:01:46 +0200
Cc: php internals <internals@lists.php.net>
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Message-ID: <AAC3C382-9347-4DC0-B9A6-552F4B425B29@gmail.com>
References: <CAEPPVa0aqWibJ4GEmjYpMSJ1v_ThbviD_ok11ACJ1=H4s3Ldbw@mail.gmail.com>
To: youkidearitai <youkidearitai@gmail.com>
From: claude.pache@gmail.com (Claude Pache)



> Le 5 juin 2025 =C3=A0 03:04, youkidearitai <youkidearitai@gmail.com> a =
=C3=A9crit :
>=20
> Hi, Internals
>=20
> I would like adds locale parameter that already there are grapheme_* =
functions.
> Because Unicode is locale-dependency but grapheme_* functions is not
> locale-dependency.
>=20
> For example, Add $locale parameter is below.
> ```
> grapheme_extract(
>    string $haystack,
>    int $size,
>    int $type =3D GRAPHEME_EXTR_COUNT,
>    int $offset =3D 0,
>    int &$next =3D null,
>    string ?$locale =3D null
> ): string|false
> grapheme_str_split(string $string, int $length =3D 1, string ?$locale =
=3D
> null): array|false
> grapheme_stripos(string $haystack, string $needle, int $offset =3D 0,
> string ?$locale =3D null): int|false
> grapheme_stristr(string $haystack, string $needle, bool $beforeNeedle
> =3D false, string ?$locale =3D null): string|false
> grapheme_strlen(string $string, ?string $locale =3D null): =
int|false|null
> grapheme_strpos(string $haystack, string $needle, int $offset =3D 0,
> string ?$locale =3D null): int|false
> grapheme_strripos(string $haystack, string $needle, int $offset =3D 0,
> string ?$locale =3D null): int|false
> grapheme_strrpos(string $haystack, string $needle, int $offset =3D 0,
> string ?$locale =3D null): int|false
> grapheme_strstr(string $haystack, string $needle, bool $beforeNeedle =3D=

> false, ?$locale =3D null): string|false
> grapheme_substr(string $string, int $offset, ?int $length =3D null,
> ?string ?$locale =3D null): string|false
> ```
>=20
> What do you think?
> I would like go to write an RFC if this is fine.
>=20
> Regards
> Yuya
>=20

Hi,

A $locale parameter could be added for functions that are =
locale-dependant: grapheme_stripos() ,grapheme_stristr(), =
grapheme_strripos(), and more generally to any function that deals with =
casing.

It doesn=E2=80=99t make sense for the other functions.

=E2=80=94Claude