Razorpay\IFSC\IFSC::lookupNumeric PHP Method

    protected static function lookupNumeric(array $list, $branchCode)
    {
        $branchCode = intval($branchCode);
        if (in_array($branchCode, $list)) {
            return true;
        }
        return static::lookupRanges($list, $branchCode);
    }