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(PECL pthreads >= 3.0.0)

Worker::collectCollect references to completed tasks


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

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

Valor Retornado

The number of remaining tasks on the worker's stack to be collected.


Exemplo #1 A basic example of Worker::collect()

= new Worker();

"There are currently {$worker->collect()} tasks on the stack to be collected\n";

for (
$i 0$i 15; ++$i) {
$worker->stack(new class extends Threaded {});

"There are {$worker->collect()} tasks remaining on the stack to be collected\n";


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

echo "There are now {$worker->collect()} tasks on the stack to be collected\n";


O exemplo acima irá imprimir:

There are currently 0 tasks on the stack to be collected
There are 15 tasks remaining on the stack to be collected
There are now 0 tasks on the stack to be collected

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