function loadSeriesSortedByRatingDESC()
{
    $avgs = averageRatingsBySeries();
    $sortedAvgs = MySeriesSortDESC($avgs);
    $series = [];
    foreach ($sortedAvgs as $avg) {
        array_push($series, DB::select('select * from series where id = ?', [$avg[0]])[0]);
    }
    return $series;
}
<!-- brunodd: Get data from database -->
<?php 
$data = averageRatingsBySeries();
// dd($data);
$series = [];
$ratings = [];
foreach ($data as $a) {
    $seriesId = $a[0];
    $rating = $a[1];
    if ($rating >= 0) {
        array_push($series, loadSerieWithId($seriesId)[0]->title);
        array_push($ratings, $rating);
    }
}
?>
<!-- 3. Add the JavaScript with the Highchart options to initialize the chart -->
<script type="text/javascript">
$(function () {
    $('#container_avg_rating_per_series').highcharts({
            chart: {
            type: 'column'
        },
        title: {
            text: "Average rating per series"
        },
        xAxis: {
            title: {
                text: 'Series'
            },
            categories: <?php 
echo json_encode($series);