1fe16390fe
- 4220: gracefully convert any unicode chars to ISO-8859-1 instead of truncating at unknown chars - 4171: GC waypoint = charset conversion error - correct indentation of attribute lines
82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
<?php
|
||
/****************************************************************************
|
||
./lib/charset.inc.php
|
||
--------------------
|
||
begin : July 7, 2012
|
||
|
||
For license information see doc/license.txt
|
||
****************************************************************************/
|
||
|
||
/****************************************************************************
|
||
|
||
Unicode Reminder メモ
|
||
|
||
charset related functions
|
||
|
||
****************************************************************************/
|
||
|
||
|
||
// replacement table for Unicode 0x100 to 0x1FF
|
||
$utf_xlatin = "A a A a A a C c C c C c C c D d D d E e E e E e E e E e G g G g " .
|
||
"G g G g H h H h I i I i I i I i I i IJijJ j K k K L l L l L l L " .
|
||
"l L l N n N n N n n n n O o O o Ö ö OEoeR r R r R r S s S s S s " .
|
||
"S s T t T t T t U u U u U u U u Ü ü U u W w Y y Y Z z Z z Z z ";
|
||
|
||
// replacement table for Unicode 0x2000 to 0x203F
|
||
$utf_punct = " ------|_'','\"\"\"\"++*>.... %%´\"\"`\"\"^<> !?- ";
|
||
|
||
|
||
// convert utf-8 string to iso-8859-1 and use replacemend characters if possible
|
||
|
||
function utf8ToIso88591($s)
|
||
{
|
||
global $utf_xlatin, $utf_punct;
|
||
|
||
$pos = 0;
|
||
$result = "";
|
||
|
||
while ($pos < strlen($s))
|
||
{
|
||
$c1 = ord($s[$pos++]);
|
||
if ($c1 < 0xC0)
|
||
$result .= chr($c1);
|
||
else if ($pos < strlen($s))
|
||
{
|
||
$c2 = ord($s[$pos++]);
|
||
if ($c1 < 0xE0)
|
||
{
|
||
$code = 0x40 * ($c1 & 0x1F) + ($c2 & 0x3F);
|
||
if ($code < 0x100)
|
||
$result .= chr($code);
|
||
else if ($code < 0x200)
|
||
{
|
||
$result .= $utf_xlatin[2*($code - 0x100)];
|
||
if ($utf_xlatin[2*($code - 0x100) + 1] != ' ')
|
||
$result .= $utf_xlatin[2*($code - 0x100) + 1];
|
||
}
|
||
else
|
||
$result .= "?";
|
||
}
|
||
else if ($pos < strlen($s))
|
||
{
|
||
$c3 = ord($s[$pos++]);
|
||
$code = 0x1000 * ($c1 & 0x0F) + 0x40 * ($c2 & 0x3F) + ($c3 & 0x3F);
|
||
switch ($code)
|
||
{
|
||
case 0x2026 : $result .= "..."; break;
|
||
case 0x2025 : $result .= ".."; break;
|
||
case 0x20AC : $result .= "Euro"; break;
|
||
default:
|
||
if ($code >= 0x2000 && $code <= 0x203F)
|
||
$result .= $utf_punct[$code - 0x2000];
|
||
else
|
||
$result .= "?";
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return $result;
|
||
}
|
||
|
||
?>
|