Unstacking work

# Worker::unstack

(PECL pthreads >= 2.0.0)

Worker::unstack — Unstacking work

### 説明

public function Worker::unstack(): int

Removes the first task (the oldest one) in the stack.

### パラメータ

この関数にはパラメータはありません。

### 戻り値

The new size of the stack.

### 変更履歴

バージョン | 説明
--- | ---
PECL pthreads 3.0.0 | The parameter to specify the task to unstack has been removed. Now, only the first task in the stack is removed.

### 例

例1 Removing objects from the stack of Workers

    <?php
    $my = new Worker();
    $work = new class extends Threaded {};

    var_dump($my->stack($work));
    var_dump($my->unstack());

上の例の出力は以下となります。

    int(1)
    int(0)

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