Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:\AppServ\www\qrcode\dbconfig.php on line 6

Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:\AppServ\www\qrcode\dbconfig.php on line 6
cannot connect to the server