src/Epkm/MessagePackRpc/Client.php
public function send($func, $args)
    {
        $host    = $this->host;
        $port    = $this->port;
        $code    = 0;
        $call    = $this->back->clientCallObject($code, $func, $args);
        $send    = $this->back->clientConnection($host, $port, $call);

        $future = $this->back->clientRecvObject($send);

        $result  = $future->getResult();
        $errors  = $future->getErrors();

        if ($errors !== null) {

            if (is_array($errors)) {
                $errors = '[' . implode(', ', $errors) . ']';
            } else if (is_object($errors)) {
                if (method_exists($errors, '__toString')) {
                    $errors = $errors->__toString();
                } else {
                    $errors = print_r($errors, true);
                }
            }

            throw new RequestErrorException("{$errors}");
        }

        return $result;
    }
public function send($func, $args)
    {
        $host    = $this->host;
        $port    = $this->port;
        $code    = 0;
        $call    = $this->back->clientCallObject($code, $func, $args);
        $send    = $this->back->clientConnection($host, $port, $call);

        $future = $this->back->clientRecvObject($send);

        $result  = $future->getResult();
        $errors  = $future->getErrors();

        if ($errors !== null) {

            if (is_array($errors)) {
                $errors = '[' . implode(', ', $errors) . ']';
            } else if (is_object($errors)) {
                if (method_exists($errors, '__toString')) {
                    $errors = $errors->__toString();
                } else {
                    $errors = print_r($errors, true);
                }
            }

            throw new RequestErrorException("{$errors}");
        }

        return $result;
    }
@param string $func
@param mixed  $args

@return mixed
@throws Exception\RequestErrorException