Sort array by value and store in variable

Question

$array = array(5,4,6,8,5,3,4,6,1);

I want to sort $array like asort does, but the problem is that asort is a

Answer 1

 $orignal_array = array(5,4,6,8,5,3,4,6,1);
 $copied_array = $orignal_array;

 asort($copied_array);
 $sorted_array = $copied_array;

 not the most efficient way to do it though :(