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Added about SJIS and Unicode conversion map in PHP 8.1 #40

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Added about SJIS and Unicode conversion map in PHP 8.1 #40

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11 changes: 11 additions & 0 deletions reference/mbstring/functions/mb-convert-encoding.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,14 @@
</row>
</thead>
<tbody>
<row>
<entry>8.1.0</entry>
<entry>
SJISの<emphasis>\</emphasis>(<literal>\x5C</literal>) と <emphasis>~</emphasis>(<literal>\x7E</literal>) が
<emphasis>¥</emphasis>(<literal>\u{00A5}</literal>) と <emphasis>‾</emphasis>(<literal>\u{203E}</literal>) に
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文字コードの表記方法は https://www.php.net/manual/language.types.string.php に従いました。前者はバイト、後者はUnicodeのコードポイントに基いているため表記が異なります。

マッピングされるようになりました。SJIS-WINとしても知られるCP932はこの変更の影響を受けません。
</entry>
</row>
<row>
<entry>8.0.0</entry>
<entry>
Expand Down Expand Up @@ -160,6 +168,9 @@ $str = mb_convert_encoding($str, "UCS-2LE", "JIS, eucjp-win, sjis-win");

/* mbstring.language が "Japanese" の場合 "auto" は、"ASCII,JIS,UTF-8,EUC-JP,SJIS" に展開される */
$str = mb_convert_encoding($str, "EUC-JP", "auto");

/* PHP 8.0以前と互換性のあるSJISからUTF-8への変換 */
$str = strtr(mb_convert_encoding($input, 'UTF-8', 'SJIS'), ['¥' => '\\', '‾' => '~']);
?>
]]>
</programlisting>
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