42a83cde50
iso_8859_default decoding is changed to us_ascii. Purpose - header cleanup, if mailer adds non-encoded 8bit symbols in header. Other iso-8859-x charsets are supported. Original function is shorter, but it is hard to count all ?. ns_4551_1 decoding might need some adjustments.
42 lines
1 KiB
PHP
42 lines
1 KiB
PHP
<?php
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/**
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* functions/decode/us_ascii.php
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*
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* Copyright (c) 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 us-ascii decoding function that is needed to read
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* us-ascii encoded mails in non-us-ascii locale.
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*
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* Function replaces all 8bit symbols with '?' marks
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*
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* $Id$
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* @package squirrelmail
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* @subpackage decode
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*/
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/**
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* us-ascii decoding function.
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*
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* @param string $string string that has to be cleaned
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* @return string cleaned string
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*/
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function charset_decode_us_ascii ($string) {
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global $default_charset;
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if (strtolower($default_charset) == 'us-ascii')
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return $string;
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if (! ereg("[\200-\237]", $string) and ! ereg("[\241-\377]", $string) )
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return $string;
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$string = preg_replace("/([\201-\237])/e","'?'",$string);
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/* I don't want to use 0xA0 (\240) in any ranges. RH73 may dislike it */
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$string = str_replace("\240", '?', $string);
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$string = preg_replace("/([\241-\377])/e","'?'",$string);
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return $string;
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}
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?>
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