private function _convertEncoding($from, $to, $string)
{
return $string;
if (function_exists('iconv')) {
$res = iconv($from, $to, $string);
if (!$res) {
throw new Lms_Exception("Unknown encoding '{$from}' or '{$to}'!");
return NULL;
}
return $res;
} else {
if (strtolower($to) == 'utf-8') {
return Lms_Text::convert2utf($string, $from);
} else {
$_from = Lms_Text::getEncSymbol($from);
$_to = Lms_Text::getEncSymbol($to);
if ($_from == NULL || $_to == NULL) {
return NULL;
}
}
}
}
