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<?php
/**
* iso-8859-2 encoding functions
*
* takes a string of unicode entities and converts it to a iso-8859-2 encoded string
* Unsupported characters are replaced with ?.
*
* @copyright © 2004-2006 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: iso_8859_2.php,v 1.7 2006/01/23 18:41:25 tokul Exp $
* @package squirrelmail
* @subpackage encode
*/
/**
* Converts string to iso-8859-2
* @param string $string text with numeric unicode entities
* @return string iso-8859-2 encoded text
*/
function charset_encode_iso_8859_2 ($string) {
// don't run encoding function, if there is no encoded characters
if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
$string=preg_replace("/&#([0-9]+);/e","unicodetoiso88592('\\1')",$string);
// $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88592(hexdec('\\1'))",$string);
return $string;
}
/**
* Return iso-8859-2 symbol when unicode character number is provided
*
* This function is used internally by charset_encode_iso_8859_2
* function. It might be unavailable to other SquirrelMail functions.
* Don't use it or make sure, that functions/encode/iso_8859_2.php is
* included.
*
* @param int $var decimal unicode value
* @return string iso-8859-2 character
*/
function unicodetoiso88592($var) {
$iso88592chars=array('160' => "\xA0",
'164' => "\xA4",
'167' => "\xA7",
'168' => "\xA8",
'173' => "\xAD",
'176' => "\xB0",
'180' => "\xB4",
'184' => "\xB8",
'193' => "\xC1",
'194' => "\xC2",
'196' => "\xC4",
'199' => "\xC7",
'201' => "\xC9",
'203' => "\xCB",
'205' => "\xCD",
'206' => "\xCE",
'211' => "\xD3",
'212' => "\xD4",
'214' => "\xD6",
'215' => "\xD7",
'218' => "\xDA",
'220' => "\xDC",
'221' => "\xDD",
'223' => "\xDF",
'225' => "\xE1",
'226' => "\xE2",
'228' => "\xE4",
'231' => "\xE7",
'233' => "\xE9",
'235' => "\xEB",
'237' => "\xED",
'238' => "\xEE",
'243' => "\xF3",
'244' => "\xF4",
'246' => "\xF6",
'247' => "\xF7",
'250' => "\xFA",
'252' => "\xFC",
'253' => "\xFD",
'258' => "\xC3",
'259' => "\xE3",
'260' => "\xA1",
'261' => "\xB1",
'262' => "\xC6",
'263' => "\xE6",
'268' => "\xC8",
'269' => "\xE8",
'270' => "\xCF",
'271' => "\xEF",
'272' => "\xD0",
'273' => "\xF0",
'280' => "\xCA",
'281' => "\xEA",
'282' => "\xCC",
'283' => "\xEC",
'313' => "\xC5",
'314' => "\xE5",
'317' => "\xA5",
'318' => "\xB5",
'321' => "\xA3",
'322' => "\xB3",
'323' => "\xD1",
'324' => "\xF1",
'327' => "\xD2",
'328' => "\xF2",
'336' => "\xD5",
'337' => "\xF5",
'340' => "\xC0",
'341' => "\xE0",
'344' => "\xD8",
'345' => "\xF8",
'346' => "\xA6",
'347' => "\xB6",
'350' => "\xAA",
'351' => "\xBA",
'352' => "\xA9",
'353' => "\xB9",
'354' => "\xDE",
'355' => "\xFE",
'356' => "\xAB",
'357' => "\xBB",
'366' => "\xD9",
'367' => "\xF9",
'368' => "\xDB",
'369' => "\xFB",
'377' => "\xAC",
'378' => "\xBC",
'379' => "\xAF",
'380' => "\xBF",
'381' => "\xAE",
'382' => "\xBE",
'711' => "\xB7",
'728' => "\xA2",
'729' => "\xFF",
'731' => "\xB2",
'733' => "\xBD");
if (array_key_exists($var,$iso88592chars)) {
$ret=$iso88592chars[$var];
} else {
$ret='?';
}
return $ret;
}
?>
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