php 使用swoole实现编程小demo

echo '开始时间:'.date('H:i:s',time());
//进程数
$work_number=6;
 
//
$worker=[];
 
//模拟地址
$curl=[
    'https://blog.csdn.net/feiwutudou',
    'https://wiki.swoole.com/wiki/page/215.html',
    'http://fanyi.baidu.com/?aldtype=16047#en/zh/manager',
    'http://wanguo.net/Salecar/index.html',
    'http://o.ngking.com/themes/mskin/login/login.jsp',
    'https://blog.csdn.net/marksinoberg/article/details/77816991'
];
 
//单线程模式
// foreach ($curl as $v) {
//     echo curldeta($v);
// }
 
//创建进程
for ($i=0; $i < $work_number; $i++) { 
    //创建多线程
    $pro=new swoole_process(function(swoole_process $work) use($i,$curl){
        //获取html文件
        $content=curldeta($curl[$i]);
        //写入管道
        $work->write($content.PHP_EOL);
    },true);
    $pro_id=$pro->start();
    $worker[$pro_id]=$pro;
}
//读取管道内容
foreach ($worker as $v) {
     echo $v->read().PHP_EOL;
}
 
//模拟爬虫
function curldeta($curl_arr)
{    //file_get_contents
    echo $curl_arr.PHP_EOL;
    file_get_contents($curl_arr);
}
 
//进程回收
swoole_process::wait();
 
echo '结束时间:'.date('H:i:s',time());

demo2 解耦合编程

/**
 * 创建多进程
 */
$worker_num         = 6;        // 默认进程数
$workers             = [];        // 进程保存
$redirect_stdout    = false;    // 重定向输出  ; 这个参数用途等会我们看效果
for($i = 0; $i < $worker_num; $i++){
    $process = new \swoole_process('callback_function', $redirect_stdout);

    // 启用消息队列 int $msgkey = 0, int $mode = 2
    $process->useQueue(0, 2);
    $pid = $process->start();

    // 管道写入内容
    $process->write('index:'.$i);

    $process->push('进程的消息队列内容');
    // 将每一个进程的句柄存起来
    $workers[$pid] = $process;
}


/**
 * 子进程回调
 * @param  swoole_process $worker [description]
 * @return [type]                 [description]
 */
function callback_function(\swoole_process $worker)
{
    $recv = $worker->pop();
    echo "子输出主内容: {$recv}".PHP_EOL;
    //get guandao content
    $recv = $worker->read();
    $result = doTask();

    echo PHP_EOL.$result.'==='.$worker->pid.'==='.$recv;

    $worker->exit(0);
}


/**
 * 监控/回收子进程
 */
while(1){
    $ret = \swoole_process::wait();
    if ($ret){// $ret 是个数组 code是进程退出状态码，
        $pid = $ret['pid'];
        echo PHP_EOL."Worker Exit, PID=" . $pid . PHP_EOL;
    }else{
        break;
    }
}


/**
 * doTask
 * @return [type] [description]
 */
function doTask()
{
    sleep(2);
    return true;
}