functions/decode/iso_8859_7.php

   1 <?php
   2 /**
   3  * decode/iso8859-7.php
   4  * $Id$
   5  *
   6  * Copyright (c) 2003 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This file contains iso-8859-7 decoding function that is needed to read
  10  * iso-8859-7 encoded mails in non-iso-8859-7 locale.
  11  *
  12  * Original data taken from:
  13  *  ftp://ftp.unicode.org/Public/MAPPINGS/ISO8859/8859-7.TXT
  14  *
  15  *   Name:             ISO 8859-7:1987 to Unicode
  16  *   Unicode version:  3.0
  17  *   Table version:    1.0
  18  *   Table format:     Format A
  19  *   Date:             1999 July 27
  20  *   Authors:          Ken Whistler <kenw@sybase.com>
  21  *
  22  * Original copyright:
  23  *      Copyright (c) 1999 Unicode, Inc.  All Rights reserved.
  24  *
  25  *      This file is provided as-is by Unicode, Inc. (The Unicode Consortium).
  26  *      No claims are made as to fitness for any particular purpose.  No
  27  *      warranties of any kind are expressed or implied.  The recipient
  28  *      agrees to determine applicability of information provided.  If this
  29  *      file has been provided on optical media by Unicode, Inc., the sole
  30  *      remedy for any claim will be exchange of defective media within 90
  31  *      days of receipt.
  32  *
  33  *      Unicode, Inc. hereby grants the right to freely use the information
  34  *      supplied in this file in the creation of products supporting the
  35  *      Unicode Standard, and to make copies of this file in any form for
  36  *      internal or external distribution as long as this notice remains
  37  *      attached.
  38  * @package squirrelmail
  39  * @subpackage decode
  40  */
  41
  42 /**
  43  * Decode iso8859-7 encoded strings
  44  * @param string $string Encoded string
  45  * @return string $string Decoded string
  46  */
  47 function charset_decode_iso_8859_7 ($string) {
  48     global $default_charset;
  49
  50     if (strtolower($default_charset) == 'iso-8859-7')
  51         return $string;
  52
  53     /* Only do the slow convert if there are 8-bit characters */
  54     /* there is no 0x80-0x9F letters in ISO8859-* */
  55     if ( ! ereg("[\241-\377]", $string) )
  56         return $string;
  57
  58     $iso8859_7 = array(
  59         "\xA0" => '&#160;',
  60         "\xA1" => '&#8216;',
  61         "\xA2" => '&#8217;',
  62         "\xA3" => '&#163;',
  63         "\xA6" => '&#166;',
  64         "\xA7" => '&#167;',
  65         "\xA8" => '&#168;',
  66         "\xA9" => '&#169;',
  67         "\xAB" => '&#171;',
  68         "\xAC" => '&#172;',
  69         "\xAD" => '&#173;',
  70         "\xAF" => '&#8213;',
  71         "\xB0" => '&#176;',
  72         "\xB1" => '&#177;',
  73         "\xB2" => '&#178;',
  74         "\xB3" => '&#179;',
  75         "\xB4" => '&#900;',
  76         "\xB5" => '&#901;',
  77         "\xB6" => '&#902;',
  78         "\xB7" => '&#183;',
  79         "\xB8" => '&#904;',
  80         "\xB9" => '&#905;',
  81         "\xBA" => '&#906;',
  82         "\xBB" => '&#187;',
  83         "\xBC" => '&#908;',
  84         "\xBD" => '&#189;',
  85         "\xBE" => '&#910;',
  86         "\xBF" => '&#911;',
  87         "\xC0" => '&#912;',
  88         "\xC1" => '&#913;',
  89         "\xC2" => '&#914;',
  90         "\xC3" => '&#915;',
  91         "\xC4" => '&#916;',
  92         "\xC5" => '&#917;',
  93         "\xC6" => '&#918;',
  94         "\xC7" => '&#919;',
  95         "\xC8" => '&#920;',
  96         "\xC9" => '&#921;',
  97         "\xCA" => '&#922;',
  98         "\xCB" => '&#923;',
  99         "\xCC" => '&#924;',
 100         "\xCD" => '&#925;',
 101         "\xCE" => '&#926;',
 102         "\xCF" => '&#927;',
 103         "\xD0" => '&#928;',
 104         "\xD1" => '&#929;',
 105         "\xD3" => '&#931;',
 106         "\xD4" => '&#932;',
 107         "\xD5" => '&#933;',
 108         "\xD6" => '&#934;',
 109         "\xD7" => '&#935;',
 110         "\xD8" => '&#936;',
 111         "\xD9" => '&#937;',
 112         "\xDA" => '&#938;',
 113         "\xDB" => '&#939;',
 114         "\xDC" => '&#940;',
 115         "\xDD" => '&#941;',
 116         "\xDE" => '&#942;',
 117         "\xDF" => '&#943;',
 118         "\xE0" => '&#944;',
 119         "\xE1" => '&#945;',
 120         "\xE2" => '&#946;',
 121         "\xE3" => '&#947;',
 122         "\xE4" => '&#948;',
 123         "\xE5" => '&#949;',
 124         "\xE6" => '&#950;',
 125         "\xE7" => '&#951;',
 126         "\xE8" => '&#952;',
 127         "\xE9" => '&#953;',
 128         "\xEA" => '&#954;',
 129         "\xEB" => '&#955;',
 130         "\xEC" => '&#956;',
 131         "\xED" => '&#957;',
 132         "\xEE" => '&#958;',
 133         "\xEF" => '&#959;',
 134         "\xF0" => '&#960;',
 135         "\xF1" => '&#961;',
 136         "\xF2" => '&#962;',
 137         "\xF3" => '&#963;',
 138         "\xF4" => '&#964;',
 139         "\xF5" => '&#965;',
 140         "\xF6" => '&#966;',
 141         "\xF7" => '&#967;',
 142         "\xF8" => '&#968;',
 143         "\xF9" => '&#969;',
 144         "\xFA" => '&#970;',
 145         "\xFB" => '&#971;',
 146         "\xFC" => '&#972;',
 147         "\xFD" => '&#973;',
 148         "\xFE" => '&#974;'
 149     );
 150
 151     $string = str_replace(array_keys($iso8859_7), array_values($iso8859_7), $string);
 152
 153     return $string;
 154 }
 155
 156 ?>