Setup the api:

• Use this wizard to create or select a project in the Google Developers Console and automatically turn on the API. ClickContinue, thenGo to credentials.
• On theAdd credentialsto your project page, click theCancelbutton.
• At the top of the page, select theOAuth consent screentab. Select anEmail address, enter aProduct nameif not already set, and click theSavebutton.
• Select theCredentialstab, click theCreate credentialsbutton and selectOAuth client ID.
• Select the application type webapp, enter the name of your choosings, fill out the redirect uri to your project and click theCreate button.
• You will now receive a Client-ID and Client secret, copy and paste the settings somewere save since you will be needing these later.

Initiate the Gmail class

$gmail = new Gmail();

$gmail->getAuthUrl();

Use the returned code from the previous call to create a access + refresh token

$gmail->makeAccessToken($code);

Initiate connection

$gmail = MartijnWagena\Gmail\Mail::create()
            ->setAccessToken($access_token, $refresh_token)
            ->setStartDate($date);

Check if token refresh needed

$gmail->isAccessTokenExpired();

Fetch all messages starting from the 'setStartDate', you only receive the ids of the messages

$gmail->fetch();

To fetch details of a message, use the code below

$gmail->getMessage($id, $threadId);

Send mails with the api

$gmail = MartijnWagena\Gmail\Send::create()->setAccessToken($access_token, $refresh_token);

$gmail->sendMail(
    [['email' => '[email protected]']],
    [['email' => '[email protected]']],
    [['email' => '[email protected]']],
    'your subject',
    'your message body',
    'inreplytomessageId',
    [] // array of attachments of type File
);

$gmail = MartijnWagena\Gmail::create()->setAccessToken($access_token, $refresh_token);
$gmail->revokeAccess();