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    Ds\Map::__construct

    (PECL ds >= 1.0.0)

    Ds\Map::__construct — Creates a new instance

    説明

    public Ds\Map::__construct(mixed ...$values)

    Creates a new instance, using either a traversable object or an array for the initial values.

    パラメータ

    values

    A traversable object or an array to use for the initial values.

    例

    例1 Ds\Map::__construct() example

    <?php
    $map     = new \Ds\Map();
    var_dump($map);

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

    上の例の出力は、 たとえば以下のようになります。

    object(Ds\Map)#1 (0) {
}
object(Ds\Map)#2 (3) {
  [0]=>
  object(Ds\Pair)#1 (2) {
    ["key"]=>
    string(1) "a"
    ["value"]=>
    int(1)
  }
  [1]=>
  object(Ds\Pair)#3 (2) {
    ["key"]=>
    string(1) "b"
    ["value"]=>
    int(2)
  }
  [2]=>
  object(Ds\Pair)#4 (2) {
    ["key"]=>
    string(1) "c"
    ["value"]=>
    int(3)
  }
}

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