/**
* Get hostname for session Id
* @method hostnameSessionFromId
* @static
* @param {string} $sessionId Session Id
* @return {string}
*/
static function hostnameSessionFromId($sessionId)
{
$hostname = self::hostnameFromRequest();
$hs = self::dbSelect('hostname_session', compact('hostname', 'sessionId'));
if (!$hs) {
self::$new_hostname_session = true;
$hs = self::dbInsert('hostname_session', compact('hostname', 'sessionId'));
}
return $hs;
}