解析PHP实现多进程并行执行脚本

#!/usr/bin/env php
<?php
$cmds=array(
        array('/apps/bin/launcher.php','charge/promotion_props_stat.php','mobile',1),
        array('/apps/bin/launcher.php','charge/promotion_props_stat.php','mobile',2),
        array('/apps/bin/launcher.php','charge/promotion_props_stat.php','click',1),
        array('/apps/bin/launcher.php','charge/promotion_props_stat.php','click',2),
        array('/apps/bin/launcher.php','charge/promotion_props_stat.php',1),
        array('/apps/bin/launcher.php','charge/promotion_props_stat.php',2)
);

foreach($cmds as $cmd){
        $pid=pcntl_fork();
        if($pid==-1){ //进程创建失败
                die('fork child process failure!');
        }
        else if($pid){ //父进程处理逻辑
                pcntl_wait($status,WNOHANG);
        }
        else{ //子进程处理逻辑
                pcntl_exec('/usr/local/bin/php',$cmd);
        }
}