Original Array
[Fred] => 31
[Al] => 27
[Gandalf] => wizzard
[Betty] => 42
[Frodo] => hobbit
Array sorted with sort
[0] = hobbit
[1] = wizzard
[2] = 27
[3] = 31
[4] = 42
Array sorted with asort
[Frodo] = hobbit
[Gandalf] = wizzard
[Al] = 27
[Fred] = 31
[Betty] = 42
Array sorted with ksort
[Al] = 27
[Betty] = 42
[Fred] = 31
[Frodo] = hobbit
[Gandalf] = wizzard