Cakephp 3 index of foreach loop

Need Help
1

Hello World,

may i ask how can i find the index of foreach loop for a cakephp 3 html page

example
<?php foreach ($apples as $apple) : ?>
<?php foreach ($apple as $key=>$value) : ?>

        <?php    echo $key     ?> 
        

        <?php endforeach; ?>     
       <?php endforeach; ?>

is it possible? i tried a few versions but its not showing out.

can anyone help?

thanks