Online PHP editor | refs for QnHQf

<?php $data = [ ['id' => 1, 'date_inserted' => '2020-09-06', 'marketplace' => 'Etsy', 'total_stickers' => 11, 'total_orders' => 8, 'total_value' => 41.619999999999997], ['id' => 2, 'date_inserted' => '2020-09-06', 'marketplace' => 'Woo', 'total_stickers' => 2, 'total_orders' => 1, 'total_value' => 7.9800000000000004], ['id' => 3, 'date_inserted' => '2020-09-06', 'marketplace' => 'eBay', 'total_stickers' => 44, 'total_orders' => 40, 'total_value' => 115.63], ['id' => 4, 'date_inserted' => '2020-09-07', 'marketplace' => 'Etsy', 'total_stickers' => 8, 'total_orders' => 4, 'total_value' => 34.920000000000002], ['id' => 5, 'date_inserted' => '2020-09-07', 'marketplace' => 'Woo', 'total_stickers' => 9, 'total_orders' => 3, 'total_value' => '52.90'], ['id' => 6, 'date_inserted' => '2020-09-07', 'marketplace' => 'eBay', 'total_stickers' => 23, 'total_orders' => 21, 'total_value' => 58.030000000000001] ]; $result = []; foreach (array_column($data, 'date_inserted') as $date) { foreach (array_filter($data, function($v) use ($date) { return $v['date_inserted'] === $date; }) as $item) { $result[$date][$item['marketplace']] = [ 'id' => $item['id'], 'total_stickers' => $item['total_stickers'], 'total_orders' => $item['total_orders'], 'total_value' => $item['total_value'] ]; } } print_r($result);