squirrelmail/functions/decode/iso_8859_16.php

<?php
/**
 * decode/iso8859-16.php
 *
 * Copyright (c) 2003-2004 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * This file contains iso-8859-16 decoding function that is needed to read
 * iso-8859-16 encoded mails in non-iso-8859-16 locale.
 * 
 * Original data taken from:
 *  ftp://ftp.unicode.org/Public/MAPPINGS/ISO8859/8859-16.TXT
 *
 *   Name:             ISO/IEC 8859-16:2001 to Unicode
 *   Unicode version:  3.0
 *   Table version:    1.0
 *   Table format:     Format A
 *   Date:             2001 July 26
 *   Authors:          Markus Kuhn <mkuhn@acm.org>
 *
 * Original copyright:
 *	Copyright (c) 1999 Unicode, Inc.  All Rights reserved.
 *
 *	This file is provided as-is by Unicode, Inc. (The Unicode Consortium).
 *	No claims are made as to fitness for any particular purpose.  No
 *	warranties of any kind are expressed or implied.  The recipient
 *	agrees to determine applicability of information provided.  If this
 *	file has been provided on optical media by Unicode, Inc., the sole
 *	remedy for any claim will be exchange of defective media within 90
 *	days of receipt.
 *
 *	Unicode, Inc. hereby grants the right to freely use the information
 *	supplied in this file in the creation of products supporting the
 *	Unicode Standard, and to make copies of this file in any form for
 *	internal or external distribution as long as this notice remains
 *	attached.
 *
 * @version $Id$
 * @package squirrelmail
 * @subpackage decode
 */

/**
 * Decode iso8859-16 string
 * @param string $string Encoded string
 * @return string $string Decoded string
 */
function charset_decode_iso_8859_16 ($string) {
    global $default_charset;

    if (strtolower($default_charset) == 'iso-8859-16')
        return $string;

    /* Only do the slow convert if there are 8-bit characters */
    /* there is no 0x80-0x9F letters in ISO8859-* */
    if ( ! ereg("[\241-\377]", $string) )
        return $string;

    $iso8869_16 = array(
	"\xA0" => '&#160;',
	"\xA1" => '&#260;',
	"\xA2" => '&#261;',
	"\xA3" => '&#321;',
	"\xA4" => '&#8364;',
	"\xA5" => '&#8222;',
	"\xA6" => '&#352;',
	"\xA7" => '&#167;',
	"\xA8" => '&#353;',
	"\xA9" => '&#169;',
	"\xAA" => '&#536;',
	"\xAB" => '&#171;',
	"\xAC" => '&#377;',
	"\xAD" => '&#173;',
	"\xAE" => '&#378;',
	"\xAF" => '&#379;',
	"\xB0" => '&#176;',
	"\xB1" => '&#177;',
	"\xB2" => '&#268;',
	"\xB3" => '&#322;',
	"\xB4" => '&#381;',
	"\xB5" => '&#8221;',
	"\xB6" => '&#182;',
	"\xB7" => '&#183;',
	"\xB8" => '&#382;',
	"\xB9" => '&#269;',
	"\xBA" => '&#537;',
	"\xBB" => '&#187;',
	"\xBC" => '&#338;',
	"\xBD" => '&#339;',
	"\xBE" => '&#376;',
	"\xBF" => '&#380;',
	"\xC0" => '&#192;',
	"\xC1" => '&#193;',
	"\xC2" => '&#194;',
	"\xC3" => '&#258;',
	"\xC4" => '&#196;',
	"\xC5" => '&#262;',
	"\xC6" => '&#198;',
	"\xC7" => '&#199;',
	"\xC8" => '&#200;',
	"\xC9" => '&#201;',
	"\xCA" => '&#202;',
	"\xCB" => '&#203;',
	"\xCC" => '&#204;',
	"\xCD" => '&#205;',
	"\xCE" => '&#206;',
	"\xCF" => '&#207;',
	"\xD0" => '&#272;',
	"\xD1" => '&#323;',
	"\xD2" => '&#210;',
	"\xD3" => '&#211;',
	"\xD4" => '&#212;',
	"\xD5" => '&#336;',
	"\xD6" => '&#214;',
	"\xD7" => '&#346;',
	"\xD8" => '&#368;',
	"\xD9" => '&#217;',
	"\xDA" => '&#218;',
	"\xDB" => '&#219;',
	"\xDC" => '&#220;',
	"\xDD" => '&#280;',
	"\xDE" => '&#538;',
	"\xDF" => '&#223;',
	"\xE0" => '&#224;',
	"\xE1" => '&#225;',
	"\xE2" => '&#226;',
	"\xE3" => '&#259;',
	"\xE4" => '&#228;',
	"\xE5" => '&#263;',
	"\xE6" => '&#230;',
	"\xE7" => '&#231;',
	"\xE8" => '&#232;',
	"\xE9" => '&#233;',
	"\xEA" => '&#234;',
	"\xEB" => '&#235;',
	"\xEC" => '&#236;',
	"\xED" => '&#237;',
	"\xEE" => '&#238;',
	"\xEF" => '&#239;',
	"\xF0" => '&#273;',
	"\xF1" => '&#324;',
	"\xF2" => '&#242;',
	"\xF3" => '&#243;',
	"\xF4" => '&#244;',
	"\xF5" => '&#337;',
	"\xF6" => '&#246;',
	"\xF7" => '&#347;',
	"\xF8" => '&#369;',
	"\xF9" => '&#249;',
	"\xFA" => '&#250;',
	"\xFB" => '&#251;',
	"\xFC" => '&#252;',
	"\xFD" => '&#281;',
	"\xFE" => '&#539;',
	"\xFF" => '&#255;'
    );

    $string = str_replace(array_keys($iso8859_16), array_values($iso8859_16), $string);

    return $string;
}

?>