February 12, 2011 
Definition:
function wp_iso_descrambler($string) {}
Convert to ASCII from email subjects.
Parameters
- string $string: Subject line
Return values
returns:Converted string to ASCII
Source code
function wp_iso_descrambler($string) {
/* this may only work with iso-8859-1, I'm afraid */
if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
return $string;
} else {
$subject = str_replace('_', ' ', $matches[2]);
$subject = preg_replace_callback('#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject);
return $subject;
}
}
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