Online PHP editor | output for l96Ui

<?php $array = [ ['group' => 'Apple', 'num' => 5, 'price' => 10], ['group' => 'Apple', 'num' => 2, 'price' => 8], ['group' => 'Orange', 'num' => 4, 'price' => 6], ['group' => 'Orange', 'num' => 12, 'price' => 24], ]; $result = []; foreach ($array as ['group' => $g, 'num' => $n, 'price' => $p]) { $result[$g]['group'] = $g; $result[$g]['num'] = ($result[$g]['num'] ?? 0) + $n; $result[$g]['price'] = ($result[$g]['price'] ?? 0) + $p; } var_export(array_values($result));