public static function code39($barcode)
{
if (!is_object(self::$PRINT_OBJ)) {
$print_class = CoreLocal::get('ReceiptDriver');
if ($print_class === '' || !class_exists($print_class)) {
$print_class = 'ESCPOSPrintHandler';
}
self::$PRINT_OBJ = new $print_class();
}
return self::$PRINT_OBJ->BarcodeCODE39($barcode);
}