connect_error) { die("Connection failed: " . $conn->connect_error); } return $conn; } ?>In this example, we define the server name, username, password, and database name as variables. Then, we create a new mysqli object and pass in these variables. If the connection fails, the function returns an error message. Otherwise, it returns the connection object. Package/Library: MySQLi Extension The MySQLi extension is a PHP library that provides an interface for accessing and interacting with MySQL databases. It is an improved version of the original MySQL library, offering better performance and features. The get_connection() function is part of the MySQLi extension and is used to establish a connection to a MySQL database.