$user->SetOAuthInfo($oauthInfo);
// Request a new OAuth token. Web applications should pass in a callback URL
// to redirect the user to after authorizing the token.
$user->RequestOAuthToken();
// Get the authorization URL for the OAuth token.
$authorizationUrl = $user->GetOAuthAuthorizationUrl();
// In a web application, you would redirect the user to the authorization URL
// and after approving the token they would be redirected back to the
// callback URL, with the URL parameter "oauth_verifier" added. For desktop
// or server applications, spawn a browser to the URL and then have the user
// enter the verification code that is displayed.
printf("Log in to your DFP account and open the following URL: %s\n", $authorizationUrl);
print 'After approving the token enter the verification code here: ';
$stdin = fopen('php://stdin', 'r');
$verifier = trim(fgets($stdin));
fclose($stdin);
// Upgrade the authorized token.
$user->UpgradeOAuthToken($verifier);
// An upgraded token does not expire and should be stored and reused for
// every request to the API.
$oauthInfo = $user->GetOAuthInfo();
print "OAuth authorization successful.\n";
print_r($oauthInfo);
// Get all ad units.
$inventoryService = $user->GetService('InventoryService');
$page = $inventoryService->getAdUnitsByStatement(new Statement('LIMIT 500'));
// Display number of ad units.
printf("Found %d ad units.\n", $page->totalResultSetSize);
} catch (Exception $e) {
print $e->getMessage();
}
