Online PHP editor | refs for SRKUu

<?php $array = [ [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PUSH", "chs_name" => "WF" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PUSH", "chs_name" => "WFR" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PUSH", "chs_name" => "STK Food" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PULL", "chs_name" => "4 Stars" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PULL", "chs_name" => "5 Stars" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PULL", "chs_name" => "Modern Thai" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PULL", "chs_name" => "BBQ Buffet" ], [ "product_code" => "67021687", "product_name" => "Spaces", "cha_sty_id" => "PULL", "chs_name" => "Chinese" ] ]; var_export( array_values( array_reduce( $array, function($result, $row) { $result[$row['product_code']]['product_code'] = $row['product_code']; $result[$row['product_code']]['product_name'] = $row['product_name']; $result[$row['product_code']][strtolower($row['cha_sty_id'])][] = $row['chs_name']; return $result; }, [] ) ) );