更改多维数组键值，将其键放在另一个数组中

I have two arrays:

我有两个数组：

$array = [
    'application' => [
        'foo' => [
            'bar' => 1
        ]
    ]
];

$array_2 = [
    0 => 'application',
    1 => 'foo',
    2 => 'bar'
];
$array = [
    '