How to find the element number in a loop?

Question

PHP

There is a design:

foreach ($data as $key => $value) {
   foreach ($value['users']['items'] as $ky => $val) {
   ...
   }
}

How to find out what is the current common element? those. need $key + $ky

Answer 1

Maybe so?

$i = 0;
foreach ($data as $key => $value) {
   foreach ($value['users']['items'] as $ky => $val) {
   ...
        $i++;
        echo $i;
   }
}

Answer 2

so it will be
or what is needed

Answer 3

so you also have a $key
just echo $key;