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    Ds\Map::reversed

    (PECL ds >= 1.0.0)

    Ds\Map::reversed — Returns a reversed copy

    説明

    public Ds\Map::reversed(): Ds\Map

    Returns a reversed copy of the map.

    パラメータ

    この関数にはパラメータはありません。

    戻り値

    A reversed copy of the map.

    注意:

    The current instance is not affected.

    例

    例1 Ds\Map::reversed() example

    <?php
    $map     = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);

    print_r($map->reversed());
    ?>

    上の例の出力は、 たとえば以下のようになります。

    Ds\Map Object
(
    [0] => Ds\Pair Object
        (
            [key] => c
            [value] => 3
        )

    [1] => Ds\Pair Object
        (
            [key] => b
            [value] => 2
        )

    [2] => Ds\Pair Object
        (
            [key] => a
            [value] => 1
        )

)

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