$api = new CrudRadiusServer();

// Tambah user
$api->request('add_user', 'POST', [
    'username' => 'test123',
    'password' => 'pass123'
]);

// Update user
$api->request('update_user', 'PUT', [
    'username' => 'test123',
    'password' => 'newpass'
]);

// Hapus user
$api->request('delete_user', 'DELETE', [
    'username' => 'test123'
]);

// Ambil semua user
$api->request('get_all', 'GET');