3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr =[ [ "websites" => "base", "simples_skus" => "", "sku" => "8681455000016", "code" => "10001", ], [ "websites" => "base", "simples_skus" => "", "sku" => "8681455000023", "code" => "10001", ], [ "websites" => "base", "simples_skus" => "", "sku" => "8681455000214", "code" => "20003", ], [ "websites" => "base", "simples_skus" => "", "sku" => "8681455000221", "code" => "20003", ], [ "websites" => "base", "simples_skus" => "", "sku" => "8681455000245", "code" => "23443", ] ]; $result = array_merge_recursive(array_value($arr),array_value($arr)); var_dump($result);

preferences:
35.21 ms | 402 KiB | 5 Q