function getAllUsers() { $db = new PDO("mysql:host=localhost;dbname=myDatabase", "myUsername", "myPassword"); $statement = $db->query("SELECT * FROM users"); $result = $statement->fetchAll(PDO::FETCH_ASSOC); return $result; }This code connects to a MySQL database, retrieves all records from the "users" table, and returns them as an associative array. The package library used in this example is PDO, a PHP extension that provides a database driver interface for accessing a wide range of databases.