calculateStatistics example

    public function collect(Request $request, Response $response, \Throwable $exception = null): void
    {
        $empty = ['calls' => [], 'adapters' => [], 'config' => [], 'options' => [], 'statistics' => []];
        $this->data = ['instances' => $empty, 'total' => $empty];
        foreach ($this->instances as $name => $instance) {
            $this->data['instances']['calls'][$name] = $instance->getCalls();
            $this->data['instances']['adapters'][$name] = get_debug_type($instance->getPool());
        }

        $this->data['instances']['statistics'] = $this->calculateStatistics();
        $this->data['total']['statistics'] = $this->calculateTotalStatistics();
    }

    public function reset(): void
    {
        $this->data = [];
        foreach ($this->instances as $instance) {
            $instance->clearCalls();
        }
    }