/**
* @param string $str
* @return string
*/
function DecodeHeaderString($str, $fromCharset, $toCharset, $withSpecialParameters = false)
{
$bool = false;
$newStr = $withSpecialParameters ? ConvertUtils::WordExtensionsDecode($str) : $str;
$bool = $newStr != $str;
$str = str_replace("\r", '', str_replace("\t", '', str_replace("\n", '', $newStr)));
/* $str = str_replace('?= =?', '?==?', $str); */
$str = preg_replace('/\\s+/', ' ', $str);
$encodeArray = ConvertUtils::SearchEncodedPlaces($str);
$c = count($encodeArray);
for ($i = 0; $i < $c; $i++) {
$tempArr = ConvertUtils::DecodeString($encodeArray[$i], $fromCharset, $toCharset);
$str = str_replace($encodeArray[$i], ConvertUtils::ConvertEncoding($tempArr[1], $tempArr[0], $toCharset), $str);
$bool = true;
}
$str = preg_replace('/[;]([a-zA-Z])/', '; $1', $str);
return $bool ? $str : ConvertUtils::ConvertEncoding($str, $fromCharset, $toCharset);
}
