php数组排序函数array_multisort与uasort的区别

2. function my_sort($a, $b)
3. {
4. if ($a == $b) return 0;
5. return ($a > $b) ? -1 : 1;
6. }
7. $people = array("Swanson" => "Joe",
8. "Griffin" => "Peter", "Quagmire" => "Glenn",
9. "swanson" => "joe", "griffin" => "peter",
10. "quagmire" => "glenn");
11. uasort($people, "my_sort");
12. print_r ($people);
13. ?>

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

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