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Extend PHP apps that use app-only authentication with more Microsoft Graph APIs

In this article, you add your own Microsoft Graph capabilities to the application you created in Build PHP apps with Microsoft Graph and app-only authentication. For example, you might want to add a code snippet from Microsoft Graph documentation or Graph Explorer, or code that you created.

Update the app

  1. Add the following code to the GraphHelper class.

    public static function makeGraphCall(): void {
    // INSERT YOUR CODE HERE
}

  2. Replace the empty makeGraphCall function in main.php with the following.

    function makeGraphCall(): void {
    try {
        GraphHelper::makeGraphCall();
    } catch (Exception $e) {
        print(PHP_EOL.'Error making Graph call'.PHP_EOL.PHP_EOL);
    }
}

Choose an API

Find an API in Microsoft Graph you'd like to try. For example, the Create event API. You can use one of the examples in the API documentation, or create your own API request.

Configure permissions

Check the Permissions section of the reference documentation for your chosen API to see which authentication methods are supported. Some APIs don't support app-only, or personal Microsoft accounts, for example.

  • To call an API with user authentication (if the API supports user (delegated) authentication), see the user (delegated) authentication tutorial.
  • To call an API with app-only authentication (if the API supports it), add the required permission scope in the Microsoft Entra admin center.

Add your code

Add your code into the makeGraphCall function in GraphHelper.php.

Related content

Now that you have a working app that calls Microsoft Graph, you can experiment and add new features.

PHP Samples