Pool::collect

(PECL pthreads >= 2.0.0)

Pool::collect — Collect references to completed tasks

説明

public function Pool::collect(Callable $collector = ?): int

Allows the pool to collect references determined to be garbage by the optionally given collector.

パラメータ

collector: A Callable collector that returns a boolean on whether the task can be collected or not. Only in rare cases should a custom collector need to be used.

戻り値

The number of remaining tasks in the pool to be collected.

変更履歴

バージョン	説明
PECL pthreads 3.0.0	An integer is now returned, and the `collector` parameter is now optional.

例

例1 A basic example of Pool::collect()

<?php
$pool = new Pool(4);

for ($i = 0; $i < 15; ++$i) {
    $pool->submit(new class extends Threaded {});
}

while ($pool->collect()); // blocks until all tasks have finished executing

$pool->shutdown();

関連キーワード:

Pool collect collector pool tasks references Collect completed pthreads Callable collected construct Allows determined garbage optionally given boolean whether task rare cases custom need used