function prefixEncryptUrl($url, $prefix = true)
{
$result = encryptUrl($url);
if (false == $result) {
return $url;
}
$urlEncMaxLen = CSmarty::getUrlEncMaxLen();
$length = strlen($result);
if ($urlEncMaxLen > 0 && $length > $urlEncMaxLen) {
return $url;
}
if (true == $prefix) {
$prefix_str = CSmarty::getEncryptionPrefix();
$result = $prefix_str . $result;
}
return $result;
}