Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: The requested name is valid, but no data of the requested type was found. in C:\cbm\dbconna.php on line 6

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: The requested name is valid, but no data of the requested type was found. in C:\cbm\dbconna.php on line 6

Fatal error: Uncaught Error: Call to a member function prepare() on boolean in C:\cbm\index.php:16 Stack trace: #0 {main} thrown in C:\cbm\index.php on line 16