<?php $data = [ [ [ "id" => 1, ], [ "id" => 2, ] ], [ [ "title" => "Title 1" ], [ "title" => "Title 2" ] ], [ [ "count" => 5 ], [ "count" => 10 ], ], ]; $ref = array_shift($data); $refCount = count($ref); for ($i = 0; $i < $refCount; $i++) { foreach ($data as $param) { if (isset($param[$i])) { $ref[$i] = array_merge($ref[$i], $param[$i]); } } } var_dump($ref);