squirrelmail/functions/decode/iso_8859_6.php

<?php
/**
 * decode/iso8859-6.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-8859-6 decoding function that is needed to read
 * iso-8859-6 encoded mails in non-iso-8859-6 locale.
 * 
 * Original data taken from:
 *  ftp://ftp.unicode.org/Public/MAPPINGS/ISO8859/8859-6.TXT
 *
 *   Name:             ISO 8859-6:1999 to Unicode
 *   Unicode version:  3.0
 *   Table version:    1.0
 *   Table format:     Format A
 *   Date:             1999 July 27
 *   Authors:          Ken Whistler <kenw@sybase.com>
 *
 * 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 iso8859-6 strings
 * @param string $string Encoded string
 * @return string $string Decoded string
 */
function charset_decode_iso_8859_6 ($string) {
    global $default_charset;

    if (strtolower($default_charset) == 'iso-8859-6')
        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;

    $iso8859_6 = array(
	"\xA0" => '&#160;',
	"\xA4" => '&#164;',
	"\xAC" => '&#1548;',
	"\xAD" => '&#173;',
	"\xBB" => '&#1563;',
	"\xBF" => '&#1567;',
	"\xC1" => '&#1569;',
	"\xC2" => '&#1570;',
	"\xC3" => '&#1571;',
	"\xC4" => '&#1572;',
	"\xC5" => '&#1573;',
	"\xC6" => '&#1574;',
	"\xC7" => '&#1575;',
	"\xC8" => '&#1576;',
	"\xC9" => '&#1577;',
	"\xCA" => '&#1578;',
	"\xCB" => '&#1579;',
	"\xCC" => '&#1580;',
	"\xCD" => '&#1581;',
	"\xCE" => '&#1582;',
	"\xCF" => '&#1583;',
	"\xD0" => '&#1584;',
	"\xD1" => '&#1585;',
	"\xD2" => '&#1586;',
	"\xD3" => '&#1587;',
	"\xD4" => '&#1588;',
	"\xD5" => '&#1589;',
	"\xD6" => '&#1590;',
	"\xD7" => '&#1591;',
	"\xD8" => '&#1592;',
	"\xD9" => '&#1593;',
	"\xDA" => '&#1594;',
	"\xE0" => '&#1600;',
	"\xE1" => '&#1601;',
	"\xE2" => '&#1602;',
	"\xE3" => '&#1603;',
	"\xE4" => '&#1604;',
	"\xE5" => '&#1605;',
	"\xE6" => '&#1606;',
	"\xE7" => '&#1607;',
	"\xE8" => '&#1608;',
	"\xE9" => '&#1609;',
	"\xEA" => '&#1610;',
	"\xEB" => '&#1611;',
	"\xEC" => '&#1612;',
	"\xED" => '&#1613;',
	"\xEE" => '&#1614;',
	"\xEF" => '&#1615;',
	"\xF0" => '&#1616;',
	"\xF1" => '&#1617;',
	"\xF2" => '&#1618;'
    );

    $string = str_replace(array_keys($iso8859_6), array_values($iso8859_6), $string);

    return $string;
}

?>