roundTo example

    public function run(float $startTime, float $totalTime, RequestInterface $request, ResponseInterface $response): string
    {
        $data = [];
        // Data items used within the view.         $data['url']             = current_url();
        $data['method']          = strtoupper($request->getMethod());
        $data['isAJAX']          = $request->isAJAX();
        $data['startTime']       = $startTime;
        $data['totalTime']       = $totalTime * 1000;
        $data['totalMemory']     = number_format((memory_get_peak_usage()) / 1024 / 1024, 3);
        $data['segmentDuration'] = $this->roundTo($data['totalTime'] / 7);
        $data['segmentCount']    = (int) ceil($data['totalTime'] / $data['segmentDuration']);
        $data['CI_VERSION']      = CodeIgniter::CI_VERSION;
        $data['collectors']      = [];

        foreach ($this->collectors as $collector) {
            $data['collectors'][] = $collector->getAsArray();
        }

        foreach ($this->collectVarData() as $heading => $items) {
            $varData = [];