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

### 说明

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

Removes and returns a value by index.

### 参数

`index`

  The index of the value to remove.

### 返回值

The value that was removed.

### 错误／异常

OutOfRangeException if the index is not valid.

### 示例

示例 #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));
    ?>

以上示例的输出类似于：

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

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