Removes and returns a value by index

# Ds\Sequence::remove

(PECL ds >= 1.0.0)

Ds\Sequence::remove — Removes and returns a value by index

### 説明

abstract public Ds\Sequence::remove ( int `$index` ) : mixed

Removes and returns a value by index.

### パラメータ

`index`

  The index of the value to remove.

### 返り値

The value that was removed.

### エラー / 例外

OutOfRangeException if the index is not valid.

### 例

例1 Ds\Sequence::remove() example

`<?php
$sequence = new \Ds\Vector(["a", "b", "c"]);
var_dump($sequence->remove(1));
var_dump($sequence->remove(0));
var_dump($sequence->remove(0));
?>`

上の例の出力は、 たとえば以下のようになります。

    string(1) "b"
    string(1) "a"
    string(1) "c"