PHP Worker::collect()用法及代碼示例

Worker::collect() 函數可以收集對已完成任務的引用。

用法

public int Worker::collect([ Callable $collector ] )

Worker::collect() 函數可以允許工作人員收集由可選給定的Collector確定為垃圾的引用。

Worker::collect() 函數可以返回要收集的 worker 堆棧上剩餘任務的數量。

示例

<?php
   $worker = new Worker();
   echo "There are currently {$worker->collect()} tasks on the stack to be collected\n";

   for($i = 0; $i < 15; ++$i) {
      $worker->stack(new class extends Threaded {});
   }
   echo "There are {$worker->collect()} tasks remaining on the stack to be collected\n";

   $worker->start();
   while($worker->collect()); // blocks until all tasks have finished executing
   echo "There are now {$worker->collect()} tasks on the stack to be collected\n";
   $worker->shutdown();
?>