mirror of
https://github.com/php/php-src.git
synced 2026-04-21 23:18:13 +02:00
Alex Dowad
d104481af8
As a performance optimization, mbstring implements some functions using tables which give the (byte) length of a multi-byte character using a lookup based on the value of the first byte. These tables are called `mblen_table`. For many years, the mblen_table for SJIS has had '2' in position 0x80. That is wrong; it should have been '1'. Reasons: For SJIS, SJIS-2004, and mobile variants of SJIS, 0x80 has never been treated as the first byte of a 2-byte character. It has always been treated as a single erroneous byte. On the other hand, 0x80 is a valid character in MacJapanese... but a 1-byte character, not a 2-byte one. The same applies to bytes 0xFD-FF; these are 1-byte characters in MacJapanese, and in other SJIS variants, they are not valid (as the first byte of a character). Thanks to the GitHub user 'youkidearitai' for finding this problem.
182 lines
6.4 KiB
PHP
182 lines
6.4 KiB
PHP
--TEST--
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mb_substr()
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--EXTENSIONS--
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mbstring
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--INI--
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output_handler=
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--FILE--
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<?php
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// TODO: Add more encodings
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ini_set('include_path','.');
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include_once('common.inc');
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// EUC-JP
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$euc_jp = mb_convert_encoding('0123この文字列は日本語です。EUC-JPを使っています。日本語は面倒臭い。', 'EUC-JP', 'UTF-8');
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// SJIS
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$sjis = mb_convert_encoding('日本語テキストです。01234５６７８９。', 'SJIS', 'UTF-8');
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// ISO-2022-JP
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$iso2022jp = "\x1B\$B\x21\x21!r\x1B(BABC";
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// GB-18030
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$gb18030 = mb_convert_encoding('密码用户名密码名称名称', 'GB18030', 'UTF-8');
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// HZ
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$hz = "The next sentence is in GB.~{<:Ky2;S{#,NpJ)l6HK!#~}Bye.";
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// UTF-8
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$utf8 = "Greek: Σὲ γνωρίζω ἀπὸ τὴν κόψη Russian: Зарегистрируйтесь";
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// UTF-32
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$utf32 = mb_convert_encoding($utf8, 'UTF-32', 'UTF-8');
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// UTF-7
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$utf7 = mb_convert_encoding($utf8, 'UTF-7', 'UTF-8');
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print "1: ". bin2hex(mb_substr($euc_jp, 10, 10,'EUC-JP')) . "\n";
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print "2: ". bin2hex(mb_substr($euc_jp, 0, 100,'EUC-JP')) . "\n";
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$str = mb_substr($euc_jp, 100, 10,'EUC-JP');
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// Note: returns last character
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($str === "") ? print "3 OK\n" : print "NG: ".bin2hex($str)."\n";
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$str = mb_substr($euc_jp, -100, 10, 'EUC-JP');
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print ($str !== "") ? "4 OK: " . bin2hex($str) . "\n" : "BAD: " . bin2hex($str) . "\n";
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echo "SJIS:\n";
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print "1: " . bin2hex(mb_substr($sjis, 0, 3, 'SJIS')) . "\n";
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print "2: " . bin2hex(mb_substr($sjis, -1, null, 'SJIS')) . "\n";
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print "3: " . bin2hex(mb_substr($sjis, -5, 3, 'SJIS')) . "\n";
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print "4: " . bin2hex(mb_substr($sjis, 1, null, 'SJIS')) . "\n";
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print "5:" . bin2hex(mb_substr($sjis, 10, 0, 'SJIS')) . "\n";
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echo "-- Testing illegal SJIS byte 0x80 --\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 3, 2, 'SJIS')) . "\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 0, 3, 'SJIS')) . "\n";
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echo "SJIS-2004:\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 3, 2, 'SJIS-2004')) . "\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 0, 3, 'SJIS-2004')) . "\n";
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echo "MacJapanese:\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 3, 2, 'MacJapanese')) . "\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 0, 3, 'MacJapanese')) . "\n";
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echo "SJIS-Mobile#DOCOMO:\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 3, 2, 'SJIS-Mobile#DOCOMO')) . "\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 0, 3, 'SJIS-Mobile#DOCOMO')) . "\n";
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echo "SJIS-Mobile#KDDI:\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 3, 2, 'SJIS-Mobile#KDDI')) . "\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 0, 3, 'SJIS-Mobile#KDDI')) . "\n";
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echo "SJIS-Mobile#SoftBank:\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 3, 2, 'SJIS-Mobile#SoftBank')) . "\n";
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print bin2hex(mb_substr("\x80abc\x80\xA1", 0, 3, 'SJIS-Mobile#SoftBank')) . "\n";
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echo "ISO-2022-JP:\n";
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print "1: " . bin2hex(mb_substr($iso2022jp, 0, 3, 'ISO-2022-JP')) . "\n";
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print "2: " . bin2hex(mb_substr($iso2022jp, -1, null, 'ISO-2022-JP')) . "\n";
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print "3: " . bin2hex(mb_substr($iso2022jp, -6, 3, 'ISO-2022-JP')) . "\n";
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print "4: " . bin2hex(mb_substr($iso2022jp, -3, 2, 'ISO-2022-JP')) . "\n";
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print "5: " . bin2hex(mb_substr($iso2022jp, 1, null, 'ISO-2022-JP')) . "\n";
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print "6:" . bin2hex(mb_substr($iso2022jp, 10, 0, 'ISO-2022-JP')) . "\n";
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print "7:" . bin2hex(mb_substr($iso2022jp, 100, 10, 'ISO-2022-JP')) . "\n";
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echo "GB-18030:\n";
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print "1: " . bin2hex(mb_substr($gb18030, 0, 3, 'GB-18030')) . "\n";
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print "2: " . bin2hex(mb_substr($gb18030, -1, null, 'GB-18030')) . "\n";
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print "3: " . bin2hex(mb_substr($gb18030, -5, 3, 'GB-18030')) . "\n";
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print "4: " . bin2hex(mb_substr($gb18030, 1, null, 'GB-18030')) . "\n";
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print "5:" . bin2hex(mb_substr($gb18030, 10, 0, 'GB-18030')) . "\n";
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echo "HZ:\n";
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print "1: " . mb_substr($hz, 0, 3, 'HZ') . "\n";
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print "2: " . mb_substr($hz, -1, null, 'HZ') . "\n";
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print "3: " . mb_substr($hz, -5, 3, 'HZ') . "\n";
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print "4: " . mb_substr($hz, 1, null, 'HZ') . "\n";
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print "5:" . mb_substr($hz, 10, 0, 'HZ') . "\n";
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echo "UTF-8:\n";
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print "1: " . mb_substr($utf8, 0, 3, 'UTF-8') . "\n";
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print "2: " . mb_substr($utf8, -1, null, 'UTF-8') . "\n";
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print "3: " . mb_substr($utf8, -5, 3, 'UTF-8') . "\n";
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print "4: " . mb_substr($utf8, 1, null, 'UTF-8') . "\n";
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print "5:" . mb_substr($utf8, 10, 0, 'UTF-8') . "\n";
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echo "UTF-32:\n";
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print "1: " . mb_convert_encoding(mb_substr($utf32, 0, 3, 'UTF-32'), 'UTF-8', 'UTF-32') . "\n";
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print "2: " . mb_convert_encoding(mb_substr($utf32, -1, null, 'UTF-32'), 'UTF-8', 'UTF-32') . "\n";
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print "3: " . mb_convert_encoding(mb_substr($utf32, -5, 3, 'UTF-32'), 'UTF-8', 'UTF-32') . "\n";
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print "4: " . mb_convert_encoding(mb_substr($utf32, 1, null, 'UTF-32'), 'UTF-8', 'UTF-32') . "\n";
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print "5:" . mb_convert_encoding(mb_substr($utf32, 10, 0, 'UTF-32'), 'UTF-8', 'UTF-32') . "\n";
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echo "UTF-7:\n";
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print "1: " . mb_convert_encoding(mb_substr($utf7, 0, 3, 'UTF-7'), 'UTF-8', 'UTF-7') . "\n";
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print "2: " . mb_convert_encoding(mb_substr($utf7, -1, null, 'UTF-7'), 'UTF-8', 'UTF-7') . "\n";
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print "3: " . mb_convert_encoding(mb_substr($utf7, -5, 3, 'UTF-7'), 'UTF-8', 'UTF-7') . "\n";
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print "4: " . mb_convert_encoding(mb_substr($utf7, 1, null, 'UTF-7'), 'UTF-8', 'UTF-7') . "\n";
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print "5:" . mb_convert_encoding(mb_substr($utf7, 10, 0, 'UTF-7'), 'UTF-8', 'UTF-7') . "\n";
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?>
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--EXPECT--
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1: c6fccbdcb8eca4c7a4b9a1a34555432d
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2: 30313233a4b3a4cecab8bbfacef3a4cfc6fccbdcb8eca4c7a4b9a1a34555432d4a50a4f2bbc8a4c3a4c6a4a4a4dea4b9a1a3c6fccbdcb8eca4cfccccc5ddbdada4a4a1a3
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3 OK
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4 OK: 30313233a4b3a4cecab8bbfacef3a4cf
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SJIS:
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1: 93fa967b8cea
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2: 8142
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3: 825582568257
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4: 967b8cea8365834c8358836782c582b781423031323334825482558256825782588142
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5:
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-- Testing illegal SJIS byte 0x80 --
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6380
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806162
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SJIS-2004:
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6380
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806162
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MacJapanese:
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6380
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806162
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SJIS-Mobile#DOCOMO:
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6380
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806162
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SJIS-Mobile#KDDI:
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6380
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806162
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SJIS-Mobile#SoftBank:
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6380
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806162
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ISO-2022-JP:
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1: 1b2442212121721b284241
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2: 43
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3: 1b2442212121721b284241
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4: 4142
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5: 1b244221721b2842414243
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6:
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7:
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GB-18030:
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1: c3dcc2ebd3c3
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2: b3c6
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3: c2ebc3fbb3c6
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4: c2ebd3c3bba7c3fbc3dcc2ebc3fbb3c6c3fbb3c6
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5:
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HZ:
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1: The
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2: .
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3: ~{!#~}By
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4: he next sentence is in GB.~{<:Ky2;S{#,NpJ)l6HK!#~}Bye.
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5:
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UTF-8:
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1: Gre
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2: ь
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3: йте
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4: reek: Σὲ γνωρίζω ἀπὸ τὴν κόψη Russian: Зарегистрируйтесь
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5:
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UTF-32:
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1: Gre
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2: ь
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3: йте
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4: reek: Σὲ γνωρίζω ἀπὸ τὴν κόψη Russian: Зарегистрируйтесь
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5:
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UTF-7:
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1: Gre
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2: ь
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3: йте
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4: reek: Σὲ γνωρίζω ἀπὸ τὴν κόψη Russian: Зарегистрируйтесь
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5:
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