Online PHP editor | refs for L36bd

<?php $line_items = [ ['price' => 41.99, 'id' => 12, 'quantity' => 1], ['price' => 155.95, 'id' => 11, 'quantity' => 1], ['price' => 21, 'id' => 13, 'quantity' => 1] ]; $price_array = [ 197.94, 21.00 ]; var_export( array_reduce( $line_items, function($result, $row) use ($price_array) { $index = (int) array_key_last($result); $index += array_sum(array_column($result[$index] ?? [], 'price')) == $price_array[$index]; $result[$index][] = $row; return $result; }, [] ) );