static function getInstance()
{
if (empty(self::$instance)) {
switch (_RELEASE) {
case "fermi":
if (!file_exists(_ABSPATH . '/lib/DevicesFermi.php')) {
die("Fermi Devices class does not exist");
}
require_once _ABSPATH . '/lib/DevicesFermi.php';
self::$instance = new DevicesFermi();
break;
case "general":
default:
if (!file_exists(_ABSPATH . '/lib/DevicesGeneral.php')) {
die("General Devices class does not exist");
}
require_once _ABSPATH . '/lib/DevicesGeneral.php';
self::$instance = new DevicesGeneral();
break;
}
}
return self::$instance;
}
