How to handle a key (index
) of a parent array? I'm getting numeric keys, but I need an index
as a key.
Example.
<?php
$arrayFirst = [
"index" => [
'a' => '1',
],
[
'a' => '2',
]
];
$arraySecond = [
"index" => [
'b' => '1',
],
[
'b' => '2',
]
];
var_dump(array_map(function(...$items){
return array_merge(...$items);
}, $arrayFirst, $arraySecond));