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    Ds\Sequence::insert

    (PECL ds >= 1.0.0)

    Ds\Sequence::insert — Inserts values at a given index

    説明

    abstract public Ds\Sequence::insert(int $index, mixed ...$values): void

    Inserts values into the sequence at a given index.

    パラメータ

    index

    The index at which to insert. 0 <= index <= count

    注意:

    You can insert at the index equal to the number of values.

    values

    The value or values to insert.

    戻り値

    値を返しません。

    エラー / 例外

    OutOfRangeException if the index is not valid.

    例

    例1 Ds\Sequence::insert() example

    <?php
    $sequence     = new \Ds\Vector();

    $sequence->insert(0, "e"); // [e]
    $sequence->insert(1, "f"); // [e, f]
    $sequence->insert(2, "g"); // [e, f, g]
    $sequence->insert(0, "a", "b"); // [a, b, e, f, g]
    $sequence->insert(2, ...["c", "d"]); // [a, b, c, d, e, f, g]

    var_dump($sequence);
    ?>

    上の例の出力は、 たとえば以下のようになります。

    object(Ds\Vector)#1 (7) {
  [0]=>
  string(1) "a"
  [1]=>
  string(1) "b"
  [2]=>
  string(1) "c"
  [3]=>
  string(1) "d"
  [4]=>
  string(1) "e"
  [5]=>
  string(1) "f"
  [6]=>
  string(1) "g"
}

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