Grav\Plugin\Admin\Popularity::getMonthyChartData PHP Method

    protected function getMonthyChartData()
    {
        if (!$this->monthly_data) {
            $this->monthly_data = $this->getData($this->monthly_file);
        }
        $labels = [];
        $data = [];
        foreach ($this->monthly_data as $date => $count) {
            $labels[] = date('M', strtotime($date));
            $data[] = $count;
        }
        return ['labels' => $labels, 'data' => $data];
    }