PHP average time from an array

Question

How do I work out the average time from an array of times.

I have an array that looks like this :

(\'17:29:53\',\'16:00:32\')

And I

Answer 1

date('H:i:s', array_sum(array_map('strtotime', $array)) / count($array))

Untested solution typed on my phone, should work though.