Pool::collect

(PECL pthreads >= 2.0.0)

Pool::collect — Collect references to completed tasks

説明

public 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.

返り値

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

変更履歴

バージョン	説明
v3	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();