php pthreads 列子：1

class vote extends Thread {

public $res    = '';
public $url    = array();
public $name   = '';
public $runing = false;
public $lc     = false;

public function __construct($name) {

$this->res    = '暂无,第一次运行.';
$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) {
$nt          = rand(1, 10);
echo "线程[{$this->name}]收到任务参数::{$this->param},需要{$nt}秒处理数据.\n";
$this->res   = rand(100, 999);
sleep($nt);
$this->lurl = $this->param;
$this->param   = '';
} else {
echo "线程[{$this->name}]等待任务..\n";
}
sleep(1);
}
}

}

//这里创建线程池.
$pool[] = new vote('a');
$pool[] = new vote('b');
$pool[] = new vote('c');

//启动所有线程,使其处于工作状态
foreach ($pool as $w) {
$w->start();
}

//派发任务给线程
for ($i = 1; $i < 10; $i++) {
$worker_content = rand(10, 99);
while (true) {
foreach ($pool as $worker) {
//参数为空则说明线程空闲
if ($worker->param=='') {
$worker->param = $worker_content;
echo "[{$worker->name}]线程空闲,放入参数{$worker_content},上次参数[{$worker->lurl}]结果[{$worker->res}].\n";
break 2;
}
}
sleep(1);
}
}
echo "所有线程派发完毕,等待执行完成.\n";

//等待所有线程运行结束
while (count($pool)) {
//遍历检查线程组运行结束
foreach ($pool as $key => $threads) {
if ($worker->param=='') {
echo "[{$threads->name}]线程空闲,上次参数[{$threads->lurl}]结果[{$threads->res}].\n";
echo "[{$threads->name}]线程运行完成,退出.\n";
//设置结束标志
$threads->runing = false;
unset($pool[$key]);
}
}
echo "等待中...\n";
sleep(1);
}
echo "所有线程执行完毕.\n";