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php-src/ext/mbstring/tests/mb_internal_encoding_variation2.phpt
Alex Dowad 371367ce3e Reintroduce legacy 'SJIS-win' text encoding in mbstring 
In e2459857af, I combined mbstring's "SJIS-win" text encoding
into CP932. This was done after doing some testing which appeared
to show that the mappings for "SJIS-win" were the same as those
for "CP932".

Later, it was found that there was actually a small difference
prior to e2459857af when converting Unicode to CP932. The
mappings for the following two codepoints were different:

        CP932  SJIS-win
U+203E  0x7E   0x81 0x50
U+00A5  0x5C   0x81 0x8F

As shown, mbstring's "CP932" mapped Unicode's 'OVERLINE' and
'YEN SIGN' to the ASCII bytes which have conflicting uses in
most legacy Japanese text encodings. "SJIS-win" mapped these
to equivalent JIS X 0208 fullwidth characters.

Since e2459867af was not intended to cause any user-visible
change in behavior, I am rolling back the merge of "CP932"
and "SJIS-win".

It seems doubtful whether these two text encodings should
be kept separate or merged in a future release. An extensive
discussion of the related historical background and
compatibility issues involved can be found in this
GitHub thread:

https://github.com/php/php-src/issues/8308
2022-08-16 20:18:54 +02:00

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--TEST--
Test mb_internal_encoding() function : usage variations - Test different encodings
--EXTENSIONS--
mbstring
--FILE--
<?php
/*
* Test all listed encoding types from php.net to check all are known to function
* NB: The strings passed are *NOT* necessarily encoded in the encoding passed to the function.
* This test is purely to see whether the function recognises the encoding.
*/
echo "*** Testing mb_internal_encoding() : usage variations ***\n";
$encoding = array('UCS-4', /*1*/
'UCS-4BE',
'UCS-4LE',
'UCS-2',
'UCS-2BE', /*5*/
'UCS-2LE',
'UTF-32',
'UTF-32BE',
'UTF-32LE',
'UTF-16', /*10*/
'UTF-16BE',
'UTF-16LE',
'UTF-7',
'UTF7-IMAP',
'UTF-8', /*15*/
'ASCII',
'EUC-JP',
'SJIS',
'eucJP-win',
'SJIS-win', /*20*/
'ISO-2022-JP',
'JIS',
'ISO-8859-1',
'ISO-8859-2',
'ISO-8859-3', /*25*/
'ISO-8859-4',
'ISO-8859-5',
'ISO-8859-6',
'ISO-8859-7',
'ISO-8859-8', /*30*/
'ISO-8859-9',
'ISO-8859-10',
'ISO-8859-13',
'ISO-8859-14',
'ISO-8859-15', /*35*/
'BASE64', /*40*/
'HTML-ENTITIES',
'7bit',
'8bit',
'EUC-CN',
'CP936', /*45*/
'HZ',
'EUC-TW',
'CP950',
'BIG-5',
'EUC-KR', /*50*/
'UHC',
'ISO-2022-KR',
'Windows-1251',
'Windows-1252',
'CP866', /*55*/
'KOI8-R'); /*56*/
$iterator = 1;
foreach($encoding as $enc) {
echo "\n-- Iteration $iterator --\n";
var_dump(mb_internal_encoding());
var_dump(mb_internal_encoding($enc));
var_dump(mb_internal_encoding());
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing mb_internal_encoding() : usage variations ***
-- Iteration 1 --
string(%d) "%s"
bool(true)
string(5) "UCS-4"
-- Iteration 2 --
string(5) "UCS-4"
bool(true)
string(7) "UCS-4BE"
-- Iteration 3 --
string(7) "UCS-4BE"
bool(true)
string(7) "UCS-4LE"
-- Iteration 4 --
string(7) "UCS-4LE"
bool(true)
string(5) "UCS-2"
-- Iteration 5 --
string(5) "UCS-2"
bool(true)
string(7) "UCS-2BE"
-- Iteration 6 --
string(7) "UCS-2BE"
bool(true)
string(7) "UCS-2LE"
-- Iteration 7 --
string(7) "UCS-2LE"
bool(true)
string(6) "UTF-32"
-- Iteration 8 --
string(6) "UTF-32"
bool(true)
string(8) "UTF-32BE"
-- Iteration 9 --
string(8) "UTF-32BE"
bool(true)
string(8) "UTF-32LE"
-- Iteration 10 --
string(8) "UTF-32LE"
bool(true)
string(6) "UTF-16"
-- Iteration 11 --
string(6) "UTF-16"
bool(true)
string(8) "UTF-16BE"
-- Iteration 12 --
string(8) "UTF-16BE"
bool(true)
string(8) "UTF-16LE"
-- Iteration 13 --
string(8) "UTF-16LE"
bool(true)
string(5) "UTF-7"
-- Iteration 14 --
string(5) "UTF-7"
bool(true)
string(9) "UTF7-IMAP"
-- Iteration 15 --
string(9) "UTF7-IMAP"
bool(true)
string(5) "UTF-8"
-- Iteration 16 --
string(5) "UTF-8"
bool(true)
string(5) "ASCII"
-- Iteration 17 --
string(5) "ASCII"
bool(true)
string(6) "EUC-JP"
-- Iteration 18 --
string(6) "EUC-JP"
bool(true)
string(4) "SJIS"
-- Iteration 19 --
string(4) "SJIS"
bool(true)
string(9) "eucJP-win"
-- Iteration 20 --
string(9) "eucJP-win"
bool(true)
string(8) "SJIS-win"
-- Iteration 21 --
string(8) "SJIS-win"
bool(true)
string(11) "ISO-2022-JP"
-- Iteration 22 --
string(11) "ISO-2022-JP"
bool(true)
string(3) "JIS"
-- Iteration 23 --
string(3) "JIS"
bool(true)
string(10) "ISO-8859-1"
-- Iteration 24 --
string(10) "ISO-8859-1"
bool(true)
string(10) "ISO-8859-2"
-- Iteration 25 --
string(10) "ISO-8859-2"
bool(true)
string(10) "ISO-8859-3"
-- Iteration 26 --
string(10) "ISO-8859-3"
bool(true)
string(10) "ISO-8859-4"
-- Iteration 27 --
string(10) "ISO-8859-4"
bool(true)
string(10) "ISO-8859-5"
-- Iteration 28 --
string(10) "ISO-8859-5"
bool(true)
string(10) "ISO-8859-6"
-- Iteration 29 --
string(10) "ISO-8859-6"
bool(true)
string(10) "ISO-8859-7"
-- Iteration 30 --
string(10) "ISO-8859-7"
bool(true)
string(10) "ISO-8859-8"
-- Iteration 31 --
string(10) "ISO-8859-8"
bool(true)
string(10) "ISO-8859-9"
-- Iteration 32 --
string(10) "ISO-8859-9"
bool(true)
string(11) "ISO-8859-10"
-- Iteration 33 --
string(11) "ISO-8859-10"
bool(true)
string(11) "ISO-8859-13"
-- Iteration 34 --
string(11) "ISO-8859-13"
bool(true)
string(11) "ISO-8859-14"
-- Iteration 35 --
string(11) "ISO-8859-14"
bool(true)
string(11) "ISO-8859-15"
-- Iteration 36 --
string(11) "ISO-8859-15"
bool(true)
string(6) "BASE64"
-- Iteration 37 --
string(6) "BASE64"
bool(true)
string(13) "HTML-ENTITIES"
-- Iteration 38 --
string(13) "HTML-ENTITIES"
bool(true)
string(4) "7bit"
-- Iteration 39 --
string(4) "7bit"
bool(true)
string(4) "8bit"
-- Iteration 40 --
string(4) "8bit"
bool(true)
string(6) "EUC-CN"
-- Iteration 41 --
string(6) "EUC-CN"
bool(true)
string(5) "CP936"
-- Iteration 42 --
string(5) "CP936"
bool(true)
string(2) "HZ"
-- Iteration 43 --
string(2) "HZ"
bool(true)
string(6) "EUC-TW"
-- Iteration 44 --
string(6) "EUC-TW"
bool(true)
string(5) "CP950"
-- Iteration 45 --
string(5) "CP950"
bool(true)
string(5) "BIG-5"
-- Iteration 46 --
string(5) "BIG-5"
bool(true)
string(6) "EUC-KR"
-- Iteration 47 --
string(6) "EUC-KR"
bool(true)
string(3) "UHC"
-- Iteration 48 --
string(3) "UHC"
bool(true)
string(11) "ISO-2022-KR"
-- Iteration 49 --
string(11) "ISO-2022-KR"
bool(true)
string(12) "Windows-1251"
-- Iteration 50 --
string(12) "Windows-1251"
bool(true)
string(12) "Windows-1252"
-- Iteration 51 --
string(12) "Windows-1252"
bool(true)
string(5) "CP866"
-- Iteration 52 --
string(5) "CP866"
bool(true)
string(6) "KOI8-R"
Done
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