Ds\Sequence::unshift

(PECL ds >= 1.0.0)

Ds\Sequence::unshift — Adds values to the front of the sequence

説明

abstract public Ds\Sequence::unshift ([ mixed $values ] ) : void

Adds values to the front of the sequence, moving all the current values forward to make room for the new values.

パラメータ

values

The values to add to the front of the sequence.

注意:

Multiple values will be added in the same order that they are passed.

返り値

値を返しません。

例

例1 Ds\Sequence::unshift() example

<?php
$sequence = new \Ds\Vector([1, 2, 3]);

$sequence->unshift("a");
$sequence->unshift("b", "c");

print_r($sequence);
?>

上の例の出力は、 たとえば以下のようになります。

Ds\Vector Object
(
    [0] => b
    [1] => c
    [2] => a
    [3] => 1
    [4] => 2
    [5] => 3
)