Monthly Chart Back End Laravel With Jalali Dates

MonthlyChartBackEndLaravel.php

<?php 
        $results['x'] = [];
        $results['y'] = [];
        $results['xy'] = [];

        for($i=30;$i>=0;$i--)
        {

            $x  = date('Y-m-d',strtotime('-'.$i.' days'));
            $y  = Order::where('created_at','like','%'.$x.'%')
                  ->where('store_id',$storeId)
                  ->count('id');
          
            // You can use whereDate('created_at','=',$x)
            // Calculate data here and change the value of X and Y ...

            $jalali = jdate($x)->format('Y-m-d');
            array_push($results['y'],$y);
            array_push($results['xy'],["x"=>$jalali,"y"=>$y]);
            array_push($results['x'],$jalali);

        }

        return [
            'xAxis' => $results['x'],
            'yAxis' => $results['y'],
            'xy' => $results['xy'],
        ];
?>