public function getUsersAll() { $query = "SELECT * FROM users"; $result = mysqli_query($this->connection, $query); $users = array(); while ($row = mysqli_fetch_assoc($result)) { $users[] = $row; } return $users; }In this example, we are using the mysqli extension to connect to the database and fetch all the user data from the 'users' table. The data is stored in an array and returned by the method. This code example uses the mysqli extension, which is a package/library for PHP that provides a procedural and object-oriented interface for accessing MySQL databases.