can::setUserPrivateKey

static function setUserPrivateKey($prefix, $expire = 0)
{
	$options = self::getOptions();
	if (isset($options["COOKIE_PK"]) && $options["COOKIE_PK"] <> '')
	{
		setcookie($options["COOKIE_PK"], $prefix, $expire, "/", false, false, true);
	}
}