PHP 다중 프로세스 병렬 실행 스크립트 코드

#!/usr/bin/env php
/**
* php 多进程
* by bbs.it-home.org
*/
$cmds=array(
        array('/app/test.php','charge/pstat.php','mobile',1),
        array('/app/test.php','charge/pstat.php','mobile',2),
        array('/app/test.php','charge/pstat.php','click',1),
        array('/app/test.php','charge/pstat.php','click',2),
        array('/app/test.php','charge/pstat.php',1),
        array('/app/test.php','charge/pstat.php',2)
);
foreach($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);
        }
}
?>