php 数组排序 array_multisort与uasort的区别

"swanson" => "joe", "griffin" => "peter",
"quagmire" => "glenn");
uasort($people, "my_sort");
print_r ($people);
?>

输出：

Array
(
[griffin] => peter
[swanson] => joe
[quagmire] => glenn
[Griffin] => Peter
[Swanson] => Joe
[Quagmire] => Glenn
)