Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:\xampp\htdocs\Variant-News Paper Script\Updates\Update from v1.0 to v1.1\update.php on line 14

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:\xampp\htdocs\Variant-News Paper Script\Updates\Update from v1.0 to v1.1\update.php on line 14

Fatal error: Uncaught Error: Call to a member function query() on boolean in C:\xampp\htdocs\Variant-News Paper Script\Updates\Update from v1.0 to v1.1\update.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Variant-News Paper Script\Updates\Update from v1.0 to v1.1\update.php on line 15