Util->get() with Query throws exception if Query has no result about net_routeros HOT 5 OPEN

try {
    $item = $util->get(RouterOS\Query::where('name', 'an item'));
    $util->edit('another item', 'address', $item['comment']);
} catch (RouterOS\RouterErrorException $e) {
    if ($e->getCode() === RouterOS\RouterErrorException::CODE_GET_ERROR) {
        //Error is coming from the get() call
    } else {
        //Error is coming from somewhere else, in this case probably the edit()
    }
}

try {
    $item = $util->get(RouterOS\Query::where('name', 'an item'));
    $util->edit('another item', 'address', $item['comment']);
} catch (RouterOS\RouterErrorException $e) {
    if (($e->getCode() & RouterOS\RouterErrorException::CODE_GET_ERROR)
        === RouterOS\RouterErrorException::CODE_GET_ERROR 
    ) {
        //Error is coming from the get() call
    } else {
        //Error is coming from somewhere else, in this case probably the edit()
    }
}

$item = $util->get(RouterOS\Query::where('name', 'an item'));

    /**
     * @return string|resource|null|array The value of the specified
     *     property as a string or as new PHP temp stream if the underlying
     *     {@link Client::isStreamingResponses()} is set to TRUE.
     *     If the property is not set, NULL will be returned.
     *     If $valueName is NULL, returns all properties as an array, where
     *     the result is parsed with {@link Script::parseValueToArray()}.
     */
public function get($number, $valueName = null)
    {
       // $number is instance of Query
        if ($number instanceof Query) {
            $number = explode(',', $this->find($number));
            // $this->find() did't find anything so it returned ','
            // after explode $number === ['']
            $number = $number[0];
            // $number === ''
            // here should be something like this, see below why
            // if ($number === '') return [];
        } elseif (is_int($number) || ((string)$number === (string)(int)$number)) {
            $this->find();
            if (isset($this->idCache[(int)$number])) {
                $number = $this->idCache[(int)$number];
            } else {
                throw new RouterErrorException(
                    'Unable to resolve number from ID cache (no such item maybe)',
                    RouterErrorException::CODE_CACHE_ERROR
                );
            }
        }

        $request = new Request($this->menu . '/get');
        // replaced $number with the value: 
        // $request->setArgument('number', ''); <= this is a wrong value for 'number',
        $request->setArgument('number', $number);
        $request->setArgument('value-name', $valueName);
        $responses = $this->client->sendSync($request);
        // RouterOS will return an error 'no such item' ($responses->getType() === '!trap')
        if (Response::TYPE_ERROR === $responses->getType()) {
            throw new RouterErrorException(
                'Error getting property',
                RouterErrorException::CODE_GET_ERROR,
                null,
                $responses
            );
        }

        $result = $responses->getProperty('ret');
        if (Stream::isStream($result)) {
            $result = stream_get_contents($result);
        }
        if (null === $valueName) {
            // @codeCoverageIgnoreStart
            //Some earlier RouterOS versions use "," instead of ";" as separator
            //Newer versions can't possibly enter this condition
            if (false === strpos($result, ';')
                && preg_match('/^([^=,]+\=[^=,]*)(?:\,(?1))+$/', $result)
            ) {
                $result = str_replace(',', ';', $result);
            }
            // @codeCoverageIgnoreEnd
            return Script::parseValueToArray('{' . $result . '}');
        }
        return $result;
    }

try {
    $item = $util->get(RouterOS\Query::where('name', 'an item'));
    $util->edit('another item', 'address', $item['comment']);
} catch (RouterOS\RouterErrorException $e) {
    if (($e->getCode() & RouterOS\RouterErrorException::CODE_GET_ERROR)
        === RouterOS\RouterErrorException::CODE_GET_ERROR 
    ) {
        //Error is coming from the get() call
    } else {
        //Error is coming from somewhere else, in this case probably the edit()
    }
}

try {
    $item = $util->get(RouterOS\Query::where('name', 'an item'));
    $util->edit('another item', 'address', $item['comment']);
} catch (RouterOS\RouterErrorException $e) {
    if ($e->getCode() === RouterOS\RouterErrorException::CODE_GET_LOOKUP_ERROR) {
        //Error is coming from the get() call AND is about a query not having a match
    } else {
        //Error is coming either from the get() for another reason, or from somewhere else, in this case probably the edit()
    }
}