Online PHP editor | refs for cNvDX

<?php $items = array( array( array("Color" => "Blue"), array("Size" => "S") ), array( array("Color" => "Blue"), array("Size" => "M") ) ); $new_items = array_map(function ($item) { return array_map(function ($key_values) { var_dump($key_values); return array_reduce($key_values, function ($seed, $value) { $seed[] = $value; }); }, $item); }, $items); var_dump($new_items);