PHP多进程同时处理任务示例DEMO代码

<?php 
$howmany = 5;
for($i=0;$i<$howmany;$i++){
    $pid = pcntl_fork();
    if ($pid==-1){
    	//Fork faild
    	die("Task init faild!");
    }else if ($pid){
    	//Main
        pcntl_wait($status,WNOHANG);
    }else {
        //Task Code here...
        exit;
    }
}
echo "Task is running in 5 progress!";