Bitpay\Client\Client::checkPriceAndCurrency PHP Méthode

    protected function checkPriceAndCurrency($price, $currency)
    {
        $decimalPosition = strpos($price, '.');
        if ($decimalPosition == 0) {
            $decimalPrecision = 0;
        } else {
            $decimalPrecision = strlen(substr($price, $decimalPosition + 1));
        }
        if ($decimalPrecision > 2 && $currency != 'BTC' || $decimalPrecision > 6) {
            throw new \Exception('Incorrect price format or currency type.');
        }
    }