Braintree\CreditCardGateway::expiringBetween PHP Method

    public function expiringBetween($startDate, $endDate)
    {
        $queryPath = $this->_config->merchantPath() . '/payment_methods/all/expiring_ids?start=' . date('mY', $startDate) . '&end=' . date('mY', $endDate);
        $response = $this->_http->post($queryPath);
        $pager = ['object' => $this, 'method' => 'fetchExpiring', 'methodArgs' => [$startDate, $endDate]];
        return new ResourceCollection($response, $pager);
    }