CI_Xmlrpcs::do_multicall PHP Method

    public function do_multicall($call)
    {
        if ($call->kindOf() !== 'struct') {
            return $this->multicall_error('notstruct');
        } elseif (!($methName = $call->me['struct']['methodName'])) {
            return $this->multicall_error('nomethod');
        }
        list($scalar_type, $scalar_value) = each($methName->me);
        $scalar_type = $scalar_type === $this->xmlrpcI4 ? $this->xmlrpcInt : $scalar_type;
        if ($methName->kindOf() !== 'scalar' or $scalar_type !== 'string') {
            return $this->multicall_error('notstring');
        } elseif ($scalar_value === 'system.multicall') {
            return $this->multicall_error('recursion');
        } elseif (!($params = $call->me['struct']['params'])) {
            return $this->multicall_error('noparams');
        } elseif ($params->kindOf() !== 'array') {
            return $this->multicall_error('notarray');
        }
        list($a, $b) = each($params->me);
        $msg = new XML_RPC_Message($scalar_value);
        for ($i = 0, $numParams = count($b); $i < $numParams; $i++) {
            $msg->params[] = $params->me['array'][$i];
        }
        $result = $this->_execute($msg);
        if ($result->faultCode() !== 0) {
            return $this->multicall_error($result);
        }
        return new XML_RPC_Values(array($result->value()), 'array');
    }