I have an array called $ticket\_quantities coming from an API which when I var dump comes out as 

```
array(1) {
    [4128] => array(1) {
        [168] => array(2) {
            [7] => int(4)[8] => int(2)
        }
    }
}

```

How can I access the [7] => int(4) value and [8] => int(2) value?