Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:\xampp\htdocs\jobportal\pages\includes\config.php on line 2

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:\xampp\htdocs\jobportal\pages\includes\config.php on line 2

Warning: mysqli_error() expects exactly 1 parameter, 0 given in C:\xampp\htdocs\jobportal\pages\includes\config.php on line 2
Cannot connect to the database.