/**
* functions/decode/us_ascii.php
*
- * Copyright (c) 2004 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
* This file contains us-ascii decoding function that is needed to read
* us-ascii encoded mails in non-us-ascii locale.
*
* Function replaces all 8bit symbols with '?' marks
*
- * $Id$
+ * @copyright © 2004-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
* @package squirrelmail
* @subpackage decode
*/
* @return string cleaned string
*/
function charset_decode_us_ascii ($string) {
- global $default_charset;
-
- if (strtolower($default_charset) == 'us-ascii')
- return $string;
-
- if (! ereg("[\200-\237]", $string) and ! ereg("[\241-\377]", $string) )
+ // don't do decoding when there are no 8bit symbols
+ if (! sq_is8bit($string,'us-ascii'))
return $string;
$string = preg_replace("/([\201-\237])/e","'?'",$string);
$string = preg_replace("/([\241-\377])/e","'?'",$string);
return $string;
}
-?>
+?>
\ No newline at end of file