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怎么样在PHP中使用Pthread实现多线程操作

2020-03-22 20:31:45
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  • 本文实例讲述了PHP使用Pthread实现的多线程操作。分享给大家供大家参考,具体如下:
    php
    html' target='_blank'>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";

    PHP编程

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