ArrayObject::getIteratorClassArrayObject::ksort
(PHP 5 >= 5.1.0)
ArrayObject::ksort — Sort the entries by key
説明
void ArrayObject::ksort
( void
)
Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.
パラメータ
この関数にはパラメータはありません。
返り値
値を返しません。
例
例1 ArrayObject::ksort() example
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->ksort();
foreach ($fruitArrayObject as $key => $val) {
echo "$key = $val\n";
}
?>
上の例の出力は以下となります。
a = orange b = banana c = apple d = lemon
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