public static function setupZone($zone)
{
if ($zone == '' || $zone == null) {
ZitLog::writeToErrorLog('[Zone is missing in request]', 'Zone is missing in request', 'Retreive Zone Information');
echo '<FATAL_ERROR>INVALID ZONE</FATAL_ERROR>';
exit;
}
if (!Zone::checkZoneExist($zone)) {
ZitLog::writeToErrorLog('[Zone does not exist]', 'Zone does not exist in the system => ' . substr($zone, 0, 30), 'Retreive Zone Information');
echo '<FATAL_ERROR>INVALID ZONE</FATAL_ERROR>';
exit;
} else {
$_SESSION['ZONE_NAME'] = $zone;
Zone::getZoneId($zone);
}
}