functions/decode/iso_8859_1.php

   1 <?php
   2 /**
   3  * decode/iso8859-1.php
   4  *
   5  * Copyright (c) 2003-2004 The SquirrelMail Project Team
   6  * Licensed under the GNU GPL. For full terms see the file COPYING.
   7  *
   8  * This file contains iso-8859-1 decoding function that is needed to read
   9  * iso-8859-1 encoded mails in non-iso-8859-1 locale.
  10  *
  11  * @version $Id$
  12  * @package squirrelmail
  13  * @subpackage decode
  14  */
  15
  16 /**
  17  * Decode iso8859-1 string
  18  * @param string $string Encoded string
  19  * @return string $string Decoded string
  20  */
  21 function charset_decode_iso_8859_1 ($string) {
  22     global $default_charset;
  23
  24     if (strtolower($default_charset) == 'iso-8859-1')
  25         return $string;
  26
  27     /* Only do the slow convert if there are 8-bit characters */
  28     /* there is no 0x80-0x9F letters in ISO8859-* */
  29     if ( ! ereg("[\241-\377]", $string) )
  30         return $string;
  31
  32     $string = preg_replace("/([\201-\237])/e","'&#' . ord('\\1') . ';'",$string);
  33
  34     /* I don't want to use 0xA0 (\240) in any ranges. RH73 may dislike it */
  35     $string = str_replace("\240", '&#160;', $string);
  36
  37     $string = preg_replace("/([\241-\377])/e","'&#' . ord('\\1') . ';'",$string);
  38     return $string;
  39 }
  40
  41 ?>