b59beee63b
with mbstring overloading. P.S. SquirrelMail login fails with php_value mbstring.func_overload 2 php_value mbstring.internal_encoding utf-8
51 lines
No EOL
1.5 KiB
PHP
51 lines
No EOL
1.5 KiB
PHP
<?php
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/**
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* decode/utf-8.php
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*
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* Copyright (c) 2003-2004 The SquirrelMail Project Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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*
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* This file contains utf-8 decoding function that is needed to read
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* utf-8 encoded mails in non-utf-8 locale.
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*
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* Every decoded character consists of n bytes. First byte is octal
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* 300-375, other bytes - always octals 200-277.
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*
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* \a\b characters are decoded to html code octdec(a-300)*64 + octdec(b-200)
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* \a\b\c characters are decoded to html code octdec(a-340)*64*64 + octdec(b-200)*64 + octdec(c-200)
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*
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* decoding cycle is unfinished. please test and report problems to tokul@users.sourceforge.net
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*
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* @version $Id$
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* @package squirrelmail
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* @subpackage decode
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*/
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/**
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* Decode utf-8 strings
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* @param string $string Encoded string
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* @return string Decoded string
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*/
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function charset_decode_utf_8 ($string) {
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global $default_charset,$squirrelmail_language;
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if ($squirrelmail_language == 'ja_JP')
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return $string;
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// don't do decoding when there are no 8bit symbols
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if (! sq_is8bit($string,'utf-8'))
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return $string;
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// decode three byte unicode characters
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$string = preg_replace("/([\340-\357])([\200-\277])([\200-\277])/e",
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"'&#'.((ord('\\1')-224)*4096+(ord('\\2')-128)*64+(ord('\\3')-128)).';'",
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$string);
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// decode two byte unicode characters
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$string = preg_replace("/([\300-\337])([\200-\277])/e",
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"'&#'.((ord('\\1')-192)*64+(ord('\\2')-128)).';'",
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$string);
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return $string;
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}
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?>
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