PHP Manual
Pool
Collect references to completed tasks

Pool::collect

(PECL pthreads >= 2.0.0)

Pool::collect — Collect references to completed tasks

Описание

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

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

Список параметров

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.

Возвращаемые значения

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

Список изменений

Версия	Описание
v3	An integer is now returned, and the `collector` parameter is now optional.

Примеры

Пример #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();