[php]ksort — 對陣列按照鍵名排序

官方範例
<?php
$fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
ksort($fruits);
foreach ($fruits as $key => $val) {
    echo "$key = $val\n";
}
?>

以上例程會輸出:

a = orange
b = banana
c = apple
d = lemon



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