Php/docs/pool.collect
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Pool::collect
(PECL pthreads >= 2.0.0)
Pool::collect — Collect references to completed tasks
Description
public Pool::collect
([ Callable $collector
] ) : int
Allows the pool to collect references determined to be garbage by the optionally given collector.
Parameters
collector
- A Callable collector that returns a boolean on whether the task can be collected or not. Only in rare cases should a custom collector need to be used.
Return Values
The number of remaining tasks in the pool to be collected.
Changelog
Version | Description |
---|---|
v3 | An integer is now returned, and the collector
parameter is now optional. |
Examples
Example #1 A basic example of Pool::collect()
<?php$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();