How to delete subarray from array in php?

Question

I have multidimensional array and I need to delete one sub array how can I do it without creating another array and copying values?

$myarray 
          [one]   a->1 b->2 c->4
          [two]   a->5  b->8
          [three] a->44 b->55 c->66 

I need to remove two $myarray['two']

Answer 1

unset($myarray['one']) should work

Answer 2

Try unsetting it, e.g.

unset($myarray['two']);