Warning: Unsupported declare 'strict_types' in C:\Appserv\Apache2.2\htdocs\escpos-php-development\src\Mike42\Escpos\PrintConnectors\NetworkPrintConnector.php on line 1

Fatal error: Default value for parameters with a class type hint can only be NULL in C:\Appserv\Apache2.2\htdocs\escpos-php-development\src\Mike42\Escpos\PrintConnectors\NetworkPrintConnector.php on line 30