Google Tasks API returns wrong TaskList ID

Question

I'm trying to get the tasklist ID via API, but I got the wrong ID. when I tested getting tasklists in Google APIs Explorer - I got correctly ID

here is my code(I took it from the documentation):

use Google\Service\Tasks;

function getClient() {
    $client = new Google_Client();
    $client->setAuthConfig('key.json');
    $client->setApplicationName('name');
    $client->setScopes('https://www.googleapis.com/auth/tasks');
    return $client;
}


// Get the API client and construct the service object.
$client = getClient();
$service = new Tasks($client);

// Print the first 10 task lists.
try {

    $optParams = array(
        'maxResults' => 10,
    );
    $results = $service->tasklists->listTasklists($optParams);
    var_dump($results->getItems());

    if (count($results->getItems()) == 0) {
        print "No task lists found.\n";
    } else {
        print "Task lists:\n";
        foreach ($results->getItems() as $tasklist) {
            printf("%s (%s)\n", $tasklist->getTitle(), $tasklist->getId());
        }
    }
} catch (Exception $e) {
    // TODO(developer) - handle error appropriately
    echo 'Message: ' . $e->getMessage();
}