define('NETWORK_CODE', 'INSERT_NETWORK_CODE_HERE');
define('APPLICATION_NAME', 'INSERT_APPLICATION_NAME_HERE');
/**
 * Run an example using the $user object.
 * @param string $user the user that contains the client ID and secret
 */
function RunExample(DfpUser $user)
{
    // Get the NetworkService.
    $networkService = $user->GetService('NetworkService');
    // Gets the current network.
    $network = $networkService->getCurrentNetwork();
    printf("Current network has network code %d and display name \"%s\".\n", $network->networkCode, $network->displayName);
}
// Don't run the example if the file is being included.
if (__FILE__ != realpath($_SERVER['PHP_SELF'])) {
    return;
}
try {
    $oauth2Info = array('client_id' => CLIENT_ID, 'client_secret' => CLIENT_SECRET, 'refresh_token' => REFRESH_TOKEN);
    $user = new DfpUser(null, APPLICATION_NAME, NETWORK_CODE, null, $oauth2Info);
    $user->LogDefault();
    // Get the OAuth2 credential.
    RunExample($user);
} catch (OAuth2Exception $e) {
    ExampleUtils::CheckForOAuth2Errors($e);
} catch (ValidationException $e) {
    ExampleUtils::CheckForOAuth2Errors($e);
} catch (Exception $e) {
    printf("An error has occurred: %s\n", $e->getMessage());
}