functions/decode/koi8_r.php

   1 <?php
   2 /**
   3  * decode/koi8-r.php
   4  * $Id$
   5  *
   6  * Copyright (c) 2003-2004 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This file contains koi8-r decoding function that is needed to read
  10  * koi8-r encoded mails in non-koi8-r locale.
  11  *
  12  * Original data taken from:
  13  *  ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MISC/KOI8-R.TXT
  14  *
  15  * Name:             KOI8-R (RFC1489) to Unicode
  16  * Unicode version:  3.0
  17  * Table version:    1.0
  18  * Table format:     Format A
  19  * Date:             18 August 1999
  20  * Authors:          Helmut Richter <richter@lrz.de>
  21  *
  22  * Copyright (c) 1991-1999 Unicode, Inc.  All Rights reserved.
  23  *
  24  * This file is provided as-is by Unicode, Inc. (The Unicode Consortium).
  25  * No claims are made as to fitness for any particular purpose.  No
  26  * warranties of any kind are expressed or implied.  The recipient
  27  * agrees to determine applicability of information provided.  If this
  28  * file has been provided on optical media by Unicode, Inc., the sole
  29  * remedy for any claim will be exchange of defective media within 90
  30  * days of receipt.
  31  *
  32  * Unicode, Inc. hereby grants the right to freely use the information
  33  * supplied in this file in the creation of products supporting the
  34  * Unicode Standard, and to make copies of this file in any form for
  35  * internal or external distribution as long as this notice remains
  36  * attached.
  37  *
  38  * @package squirrelmail
  39  * @subpackage decode
  40  */
  41
  42 /**
  43  * Decode koi8r strings
  44  * @param string $string Encoded string
  45  * @return string Decoded string
  46  */
  47 function charset_decode_koi8_r ($string) {
  48     global $default_charset;
  49
  50     if (strtolower($default_charset) == 'koi8-r')
  51         return $string;
  52
  53     /* Only do the slow convert if there are 8-bit characters */
  54     /* avoid using 0xA0 (\240) in ereg ranges. RH73 does not like that */
  55     if (! ereg("[\200-\237]", $string) and ! ereg("[\241-\377]", $string) )
  56         return $string;
  57
  58     $koi8r = array(
  59         "\x80" => '&#9472;',
  60         "\x81" => '&#9474;',
  61         "\x82" => '&#9484;',
  62         "\x83" => '&#9488;',
  63         "\x84" => '&#9492;',
  64         "\x85" => '&#9496;',
  65         "\x86" => '&#9500;',
  66         "\x87" => '&#9508;',
  67         "\x88" => '&#9516;',
  68         "\x89" => '&#9524;',
  69         "\x8A" => '&#9532;',
  70         "\x8B" => '&#9600;',
  71         "\x8C" => '&#9604;',
  72         "\x8D" => '&#9608;',
  73         "\x8E" => '&#9612;',
  74         "\x8F" => '&#9616;',
  75         "\x90" => '&#9617;',
  76         "\x91" => '&#9618;',
  77         "\x92" => '&#9619;',
  78         "\x93" => '&#8992;',
  79         "\x94" => '&#9632;',
  80         "\x95" => '&#8729;',
  81         "\x96" => '&#8730;',
  82         "\x97" => '&#8776;',
  83         "\x98" => '&#8804;',
  84         "\x99" => '&#8805;',
  85         "\x9A" => '&#160;',
  86         "\x9B" => '&#8993;',
  87         "\x9C" => '&#176;',
  88         "\x9D" => '&#178;',
  89         "\x9E" => '&#183;',
  90         "\x9F" => '&#247;',
  91         "\xA0" => '&#9552;',
  92         "\xA1" => '&#9553;',
  93         "\xA2" => '&#9554;',
  94         "\xA3" => '&#1105;',
  95         "\xA4" => '&#9555;',
  96         "\xA5" => '&#9556;',
  97         "\xA6" => '&#9557;',
  98         "\xA7" => '&#9558;',
  99         "\xA8" => '&#9559;',
 100         "\xA9" => '&#9560;',
 101         "\xAA" => '&#9561;',
 102         "\xAB" => '&#9562;',
 103         "\xAC" => '&#9563;',
 104         "\xAD" => '&#9564;',
 105         "\xAE" => '&#9565;',
 106         "\xAF" => '&#9566;',
 107         "\xB0" => '&#9567;',
 108         "\xB1" => '&#9568;',
 109         "\xB2" => '&#9569;',
 110         "\xB3" => '&#1025;',
 111         "\xB4" => '&#9570;',
 112         "\xB5" => '&#9571;',
 113         "\xB6" => '&#9572;',
 114         "\xB7" => '&#9573;',
 115         "\xB8" => '&#9574;',
 116         "\xB9" => '&#9575;',
 117         "\xBA" => '&#9576;',
 118         "\xBB" => '&#9577;',
 119         "\xBC" => '&#9578;',
 120         "\xBD" => '&#9579;',
 121         "\xBE" => '&#9580;',
 122         "\xBF" => '&#169;',
 123         "\xC0" => '&#1102;',
 124         "\xC1" => '&#1072;',
 125         "\xC2" => '&#1073;',
 126         "\xC3" => '&#1094;',
 127         "\xC4" => '&#1076;',
 128         "\xC5" => '&#1077;',
 129         "\xC6" => '&#1092;',
 130         "\xC7" => '&#1075;',
 131         "\xC8" => '&#1093;',
 132         "\xC9" => '&#1080;',
 133         "\xCA" => '&#1081;',
 134         "\xCB" => '&#1082;',
 135         "\xCC" => '&#1083;',
 136         "\xCD" => '&#1084;',
 137         "\xCE" => '&#1085;',
 138         "\xCF" => '&#1086;',
 139         "\xD0" => '&#1087;',
 140         "\xD1" => '&#1103;',
 141         "\xD2" => '&#1088;',
 142         "\xD3" => '&#1089;',
 143         "\xD4" => '&#1090;',
 144         "\xD5" => '&#1091;',
 145         "\xD6" => '&#1078;',
 146         "\xD7" => '&#1074;',
 147         "\xD8" => '&#1100;',
 148         "\xD9" => '&#1099;',
 149         "\xDA" => '&#1079;',
 150         "\xDB" => '&#1096;',
 151         "\xDC" => '&#1101;',
 152         "\xDD" => '&#1097;',
 153         "\xDE" => '&#1095;',
 154         "\xDF" => '&#1098;',
 155         "\xE0" => '&#1070;',
 156         "\xE1" => '&#1040;',
 157         "\xE2" => '&#1041;',
 158         "\xE3" => '&#1062;',
 159         "\xE4" => '&#1044;',
 160         "\xE5" => '&#1045;',
 161         "\xE6" => '&#1060;',
 162         "\xE7" => '&#1043;',
 163         "\xE8" => '&#1061;',
 164         "\xE9" => '&#1048;',
 165         "\xEA" => '&#1049;',
 166         "\xEB" => '&#1050;',
 167         "\xEC" => '&#1051;',
 168         "\xED" => '&#1052;',
 169         "\xEE" => '&#1053;',
 170         "\xEF" => '&#1054;',
 171         "\xF0" => '&#1055;',
 172         "\xF1" => '&#1071;',
 173         "\xF2" => '&#1056;',
 174         "\xF3" => '&#1057;',
 175         "\xF4" => '&#1058;',
 176         "\xF5" => '&#1059;',
 177         "\xF6" => '&#1046;',
 178         "\xF7" => '&#1042;',
 179         "\xF8" => '&#1068;',
 180         "\xF9" => '&#1067;',
 181         "\xFA" => '&#1047;',
 182         "\xFB" => '&#1064;',
 183         "\xFC" => '&#1069;',
 184         "\xFD" => '&#1065;',
 185         "\xFE" => '&#1063;',
 186         "\xFF" => '&#1066;'
 187     );
 188
 189     $string = str_replace(array_keys($koi8r), array_values($koi8r), $string);
 190
 191     return $string;
 192 }
 193
 194 ?>