app\models\RankHistory::getDataAttribute PHP Method

    public function getDataAttribute()
    {
        $data = [];
        $startOffset = Count::currentRankStart() + 1;
        $end = $startOffset + 89;
        for ($i = $startOffset; $i < $end; $i++) {
            $column = 'r' . strval($i % 90);
            $data[] = intval($this->{$column});
        }
        return $data;
    }