Online PHP editor | output for TeCbL

<?php //Tinker away! $periods = \App\Models\Period::query() ->select('id', 'period_type', 'period_name', 'period_year') ->groupBy('period_year', 'period_type') ->orderBy('period_year') ->get() ->groupBy('period_year') ->map(function ($item, $key) { return [ 'year' => $key, 'periods' => $item->groupBy('period_type')->map(function ($item, $key) { return [ 'type' => $key, 'periods' => $item->map(function ($key,$item) { return [ 'id' => $item->id, 'period_type' => $item->period_type, // 'semester', 'trimester', 'year 'period_name' => $item->period_name, 'period_year' => $item->period_year, 'formatted_period_start_date' => $item->formatted_period_start_date, 'formatted_period_end_date' => $item->formatted_period_end_date, ]; })->toArray() ]; }) ]; }) ->toArray();