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<?php
/**
* cp1256 encoding functions
*
* takes a string of unicode entities and converts it to a cp1256 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: cp1256.php 13893 2010-01-25 02:47:41Z pdontthink $
* @package squirrelmail
* @subpackage encode
*/
/**
* Converts string to cp1256
* @param string $string text with numeric unicode entities
* @return string cp1256 encoded text
*/
function charset_encode_cp1256 ($string) {
// don't run encoding function, if there is no encoded characters
if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
$string=preg_replace("/&#([0-9]+);/e","unicodetocp1256('\\1')",$string);
// $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetocp1256(hexdec('\\1'))",$string);
return $string;
}
/**
* Return cp1256 symbol when unicode character number is provided
*
* This function is used internally by charset_encode_cp1256
* function. It might be unavailable to other SquirrelMail functions.
* Don't use it or make sure, that functions/encode/cp1256.php is
* included.
*
* @param int $var decimal unicode value
* @return string cp1256 character
*/
function unicodetocp1256($var) {
$cp1256chars=array('160' => "\xA0",
'162' => "\xA2",
'163' => "\xA3",
'164' => "\xA4",
'165' => "\xA5",
'166' => "\xA6",
'167' => "\xA7",
'168' => "\xA8",
'169' => "\xA9",
'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",
'187' => "\xBB",
'188' => "\xBC",
'189' => "\xBD",
'190' => "\xBE",
'215' => "\xD7",
'224' => "\xE0",
'226' => "\xE2",
'231' => "\xE7",
'232' => "\xE8",
'233' => "\xE9",
'234' => "\xEA",
'235' => "\xEB",
'238' => "\xEE",
'239' => "\xEF",
'244' => "\xF4",
'247' => "\xF7",
'249' => "\xF9",
'251' => "\xFB",
'252' => "\xFC",
'338' => "\x8C",
'339' => "\x9C",
'402' => "\x83",
'710' => "\x88",
'1548' => "\xA1",
'1563' => "\xBA",
'1567' => "\xBF",
'1569' => "\xC1",
'1570' => "\xC2",
'1571' => "\xC3",
'1572' => "\xC4",
'1573' => "\xC5",
'1574' => "\xC6",
'1575' => "\xC7",
'1576' => "\xC8",
'1577' => "\xC9",
'1578' => "\xCA",
'1579' => "\xCB",
'1580' => "\xCC",
'1581' => "\xCD",
'1582' => "\xCE",
'1583' => "\xCF",
'1584' => "\xD0",
'1585' => "\xD1",
'1586' => "\xD2",
'1587' => "\xD3",
'1588' => "\xD4",
'1589' => "\xD5",
'1590' => "\xD6",
'1591' => "\xD8",
'1592' => "\xD9",
'1593' => "\xDA",
'1594' => "\xDB",
'1600' => "\xDC",
'1601' => "\xDD",
'1602' => "\xDE",
'1603' => "\xDF",
'1604' => "\xE1",
'1605' => "\xE3",
'1606' => "\xE4",
'1607' => "\xE5",
'1608' => "\xE6",
'1609' => "\xEC",
'1610' => "\xED",
'1611' => "\xF0",
'1612' => "\xF1",
'1613' => "\xF2",
'1614' => "\xF3",
'1615' => "\xF5",
'1616' => "\xF6",
'1617' => "\xF8",
'1618' => "\xFA",
'1657' => "\x8A",
'1662' => "\x81",
'1670' => "\x8D",
'1672' => "\x8F",
'1681' => "\x9A",
'1688' => "\x8E",
'1705' => "\x98",
'1711' => "\x90",
'1722' => "\x9F",
'1726' => "\xAA",
'1729' => "\xC0",
'1746' => "\xFF",
'8204' => "\x9D",
'8205' => "\x9E",
'8206' => "\xFD",
'8207' => "\xFE",
'8211' => "\x96",
'8212' => "\x97",
'8216' => "\x91",
'8217' => "\x92",
'8218' => "\x82",
'8220' => "\x93",
'8221' => "\x94",
'8222' => "\x84",
'8224' => "\x86",
'8225' => "\x87",
'8226' => "\x95",
'8230' => "\x85",
'8240' => "\x89",
'8249' => "\x8B",
'8250' => "\x9B",
'8364' => "\x80",
'8482' => "\x99");
if (array_key_exists($var,$cp1256chars)) {
$ret=$cp1256chars[$var];
} else {
$ret='?';
}
return $ret;
}
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