protected function canRetry(RequestException $exception)
    {
        if ($exception instanceof NetworkException) {
            if ($exception->getCode() === 0 || $exception->getCode() >= 500) {
                return true;
            }
        } elseif ($exception instanceof ApiException) {
            return in_array($exception->getCode(), [
                ApiException::AUTHENTICATION_TEMPORARILY_UNAVAILABLE,
                ApiException::SERVER_TEMPORARILY_UNAVAILABLE,
                ApiException::INITIALIZATION_ERROR,
                ApiException::OPERATION_ERROR,
                ApiException::EXCEEDED_LIMIT_CONCURRENT_REQUESTS,
                ApiException::TEMPORARILY_UNAVAILABLE,
            ]);
        }

        return false;
    }
protected function canRetry(RequestException $exception)
    {
        if ($exception instanceof NetworkException) {
            if ($exception->getCode() === 0 || $exception->getCode() >= 500) {
                return true;
            }
        } elseif ($exception instanceof ApiException) {
            return in_array($exception->getCode(), [
                ApiException::AUTHENTICATION_TEMPORARILY_UNAVAILABLE,
                ApiException::SERVER_TEMPORARILY_UNAVAILABLE,
                ApiException::INITIALIZATION_ERROR,
                ApiException::OPERATION_ERROR,
                ApiException::EXCEEDED_LIMIT_CONCURRENT_REQUESTS,
                ApiException::TEMPORARILY_UNAVAILABLE,
            ]);
        }

        return false;
    }
protected function canRetry ( RequestException $ exception ) { if ( $ exception instanceof NetworkException ) { if ( $ exception -> getCode ( ) === 0 || $ exception -> getCode ( ) >= 500 ) { return true ; } } elseif ( $ exception instanceof ApiException ) { return in_array ( $ exception -> getCode ( ) , [ ApiException :: AUTHENTICATION_TEMPORARILY_UNAVAILABLE , ApiException :: SERVER_TEMPORARILY_UNAVAILABLE , ApiException :: INITIALIZATION_ERROR , ApiException :: OPERATION_ERROR , ApiException :: EXCEEDED_LIMIT_CONCURRENT_REQUESTS , ApiException :: TEMPORARILY_UNAVAILABLE , ] ) ; } return false ; }
Checks that a request can be retried.

@param RequestException $exception The thrown exception

@return bool
Checks that a request can be retried .