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<?php
/**
* iso-8859-9 encoding functions
*
* takes a string of unicode entities and converts it to a iso-8859-9 encoded string
* Unsupported characters are replaced with ?.
*
* @copyright 2004-2010 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: iso_8859_9.php 13893 2010-01-25 02:47:41Z pdontthink $
* @package squirrelmail
* @subpackage encode
*/
/**
* Converts string to iso-8859-9
* @param string $string text with numeric unicode entities
* @return string iso-8859-9 encoded text
*/
function charset_encode_iso_8859_9 ($string) {
// don't run encoding function, if there is no encoded characters
if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
$string=preg_replace("/&#([0-9]+);/e","unicodetoiso88599('\\1')",$string);
// $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88599(hexdec('\\1'))",$string);
return $string;
}
/**
* Return iso-8859-9 symbol when unicode character number is provided
*
* This function is used internally by charset_encode_iso_8859_9
* function. It might be unavailable to other SquirrelMail functions.
* Don't use it or make sure, that functions/encode/iso_8859_9.php is
* included.
*
* @param int $var decimal unicode value
* @return string iso-8859-9 character
*/
function unicodetoiso88599($var) {
$iso88599chars=array('160' => "\xA0",
'161' => "\xA1",
'162' => "\xA2",
'163' => "\xA3",
'164' => "\xA4",
'165' => "\xA5",
'166' => "\xA6",
'167' => "\xA7",
'168' => "\xA8",
'169' => "\xA9",
'170' => "\xAA",
'171' => "\xAB",
'172' => "\xAC",
'173' => "\xAD",
'174' => "\xAE",
'175' => "\xAF",
'176' => "\xB0",
'177' => "\xB1",
'178' => "\xB2",
'179' => "\xB3",
'180' => "\xB4",
'181' => "\xB5",
'182' => "\xB6",
'183' => "\xB7",
'184' => "\xB8",
'185' => "\xB9",
'186' => "\xBA",
'187' => "\xBB",
'188' => "\xBC",
'189' => "\xBD",
'190' => "\xBE",
'191' => "\xBF",
'192' => "\xC0",
'193' => "\xC1",
'194' => "\xC2",
'195' => "\xC3",
'196' => "\xC4",
'197' => "\xC5",
'198' => "\xC6",
'199' => "\xC7",
'200' => "\xC8",
'201' => "\xC9",
'202' => "\xCA",
'203' => "\xCB",
'204' => "\xCC",
'205' => "\xCD",
'206' => "\xCE",
'207' => "\xCF",
'209' => "\xD1",
'210' => "\xD2",
'211' => "\xD3",
'212' => "\xD4",
'213' => "\xD5",
'214' => "\xD6",
'215' => "\xD7",
'216' => "\xD8",
'217' => "\xD9",
'218' => "\xDA",
'219' => "\xDB",
'220' => "\xDC",
'223' => "\xDF",
'224' => "\xE0",
'225' => "\xE1",
'226' => "\xE2",
'227' => "\xE3",
'228' => "\xE4",
'229' => "\xE5",
'230' => "\xE6",
'231' => "\xE7",
'232' => "\xE8",
'233' => "\xE9",
'234' => "\xEA",
'235' => "\xEB",
'236' => "\xEC",
'237' => "\xED",
'238' => "\xEE",
'239' => "\xEF",
'241' => "\xF1",
'242' => "\xF2",
'243' => "\xF3",
'244' => "\xF4",
'245' => "\xF5",
'246' => "\xF6",
'247' => "\xF7",
'248' => "\xF8",
'249' => "\xF9",
'250' => "\xFA",
'251' => "\xFB",
'252' => "\xFC",
'255' => "\xFF",
'286' => "\xD0",
'287' => "\xF0",
'304' => "\xDD",
'305' => "\xFD",
'350' => "\xDE",
'351' => "\xFE");
if (array_key_exists($var,$iso88599chars)) {
$ret=$iso88599chars[$var];
} else {
$ret='?';
}
return $ret;
}
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