Online PHP editor | refs for BYfZf

<?php $array = [ ['id' => 1, 'product_id' => 4, 'product_number' => 10, 'moving_type' => 1], ['id' => 1, 'product_id' => 5, 'product_number' => 10, 'moving_type' => 1], ['id' => 1, 'product_id' => 5, 'product_number' => 2, 'moving_type' => 2] ]; foreach ($array as $row) { if (!isset($result[$row['product_id']])) { $result[$row['product_id']] = array_slice($row, 0, 3, true); } else { $result[$row['product_id']]['product_number'] += ($row['moving_type'] == 1 ? 1 : -1) * $row['product_number']; } } var_export(array_values($result));