[php] asort — 對陣列進行排序並保持索引關係
官方範例
Example #1 asort() 例子
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
asort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val\n";
}
?>
以上例程會輸出：
c = apple
b = banana
d = lemon
a = orange
其它範例：
<?php
$my_array = array("a" => "Dog", "b" => "Cat", "c" => "Horse");
asort($my_array);
print_r($my_array);
?>
輸出：
Array
(
[b] => Cat
[a] => Dog
[c] => Horse
)
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