PHP用threads實(shí)現(xiàn)多線程的方法

<&#63;php

error_reporting(E_ALL);
class vote extends Thread {
  public $res  = '';
  public $url  = array();
  public $name  = '';
  public $runing = false;
  public $lc   = false;

  public function __construct($name) {
    $this->res  = '暫無,第一次運(yùn)行.';
    $this->param  = 0;
    $this->lurl  = 0;
    $this->name  = $name;
    $this->runing = true;
    $this->lc   = false;
  }

  public function run() {
    while ($this->runing) {

      if ($this->param != 0) {
        $nt     = rand(1, 10);
        echo time()."線程[{$this->name}]收到任務(wù)參數(shù)::{$this->param},需要{$nt}秒處理數(shù)據(jù).n";
        $this->res  = rand(100, 999);
        //sleep($nt);
        $this->lurl = $this->param;
        $this->param  = '';
      } else {
        echo time()."線程[{$this->name}]等待任務(wù)..n";
      }
      sleep(1);
    }
  }
}

//這里創(chuàng)建線程池.
$pool[] = new vote('a');
$pool[] = new vote('b');
$pool[] = new vote('c');
$pool[] = new vote('d');
$pool[] = new vote('e');
$pool[] = new vote('f');
$pool[] = new vote('g');
$pool[] = new vote('h');
$pool[] = new vote('i');
$pool[] = new vote('j');

//啟動所有線程,使其處于工作狀態(tài)
foreach ($pool as $w) {
  $w->start();
}

//派發(fā)任務(wù)給線程
for ($i = 0; $i < 100; $i++) {
  $worker_content = rand(10, 99);
  while (true) {
    foreach ($pool as $worker) {
      //參數(shù)為空則說明線程空閑
      if ($worker->param=='') {
        $worker->param = $worker_content;
        echo "[{$worker->name}]線程空閑,放入?yún)?shù){$worker_content},上次參數(shù)[{$worker->lurl}]結(jié)果[{$worker->res}].n";
        break 2;
      }
    }
    sleep(1);
  }
}
echo "所有線程派發(fā)完畢,等待執(zhí)行完成.n";

//等待所有線程運(yùn)行結(jié)束
while (count($pool)) {
  //遍歷檢查線程組運(yùn)行結(jié)束
  foreach ($pool as $key => $threads) {
    if ($worker->param=='') {
      echo "[{$threads->name}]線程空閑,上次參數(shù)[{$threads->lurl}]結(jié)果[{$threads->res}].n";
      echo "[{$threads->name}]線程運(yùn)行完成,退出.n";
      //設(shè)置結(jié)束標(biāo)志
      $threads->runing = false;
      unset($pool[$key]);
    }
  }
  echo "等待中...n";
  sleep(1);
}
echo "所有線程執(zhí)行完畢.n";
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