PHP Adsnese API v2

adsense-v2.php

<?php
require __DIR__ . '/vendor/autoload.php';

function getClient()
{
    $client = new Google_Client();
    $client->setApplicationName('Adsense PHP Client');
    $client->addScope('https://www.googleapis.com/auth/adsense.readonly');
    $client->setAccessType('offline');
    $client->setApprovalPrompt('force');
    $client->setAuthConfig('/usr/local/etc/adsense-credentials.json'); // client secret json file (OAuth 2.0 client ID) download from Google
    $tokenPath = '/usr/local/etc/adsense-token.json'; // refresh token saved here
    if (file_exists($tokenPath)) {
        $accessToken = json_decode(file_get_contents($tokenPath), true);
        $client->setAccessToken($accessToken);
    }

    // If there is no previous token or it's expired.
    if ($client->isAccessTokenExpired()) {
        // Refresh the token if possible, else fetch a new one.
        if ($client->getRefreshToken()) {
            $client->fetchAccessTokenWithRefreshToken($client->getRefreshToken());
        } else {
            // Request authorization from the user.
            $authUrl = $client->createAuthUrl();
            printf("Open the following link in your browser:\n%s\n", $authUrl);
            print 'Enter verification code: ';
            $authCode = trim(fgets(STDIN));

            // Exchange authorization code for an access token.
            $accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
            $client->setAccessToken($accessToken);

            // Check to see if there was an error.
            if (array_key_exists('error', $accessToken)) {
                throw new Exception(join(', ', $accessToken));
            }
        }
        // Save the token to a file.
        if (!file_exists(dirname($tokenPath))) {
            mkdir(dirname($tokenPath), 0700, true);
        }
        file_put_contents($tokenPath, json_encode($client->getAccessToken()));
    }
    return $client;
}

$client=getClient();
$service = new Google_Service_Adsense($client);

$account = 'accounts/pub-xxxx'; // adsense account here
$optParams=["currencyCode"=>"USD","dateRange"=>"TODAY","dimensions"=>"DATE","metrics"=>"TOTAL_EARNINGS","metrics"=>"CLICKS",
            "prettyPrint"=>"true","alt"=>"json"];
$result = $service->accounts_reports->generate($account,$optParams);
print_r($result);
?>