PHPMailer模拟队列发送邮件

<?php//队列//phpcli模式，当使用php.exe的时候，会创建进程，当程序结束后，进程结束。exec("E:\wamp\bin\php\php5.5.12\php.exe cli_test.php");  ?>

<?php$rootPath=dirname(__FILE__);require $rootPath.'/PHPMailer/PHPMailerAutoload.php'; function sendMail($host,$fromEmail,$fromPwd,$fromName,$toEmail, $toName,$subject,$content){    $mail = new PHPMailer;$mail->isSMTP();                                 $mail->Host = $host; $mail->SMTPAuth = true;                       $mail->Username = $fromEmail;               $mail->CharSet="UTF-8";$mail->Password = $fromPwd;                      $mail->From = $fromEmail;$mail->FromName = $fromName;$mail->addAddress($toEmail, $toName);   $mail->Subject = $subject;$mail->Body = $content;return $mail->send();}$link = mysqli_connect("localhost","root","","test");mysqli_query($link,"set names utf8");while(true){    $sql="SELECT *FROM task_list WHERE status = 0 ORDER BY task_id ASC LIMIT 5 ";    $res = mysqli_query($link,$sql);    $mailList=array();    while($row = mysqli_fetch_assoc($res)){        $mailList[]=$row;    }    if(empty($mailList)）{        break;    }else{        foreach($mailList as $k=>$v){if(sendMail("smtp.aliyun.com","[e-mail]","Shang1994","aliyun",$v['user_email'],'sina',"woaixuexi","xixixixi")) {                    mysqli_query($link,"UPDATE task_list SET status = 1 WHERE task_id=".$v['task_id']);                }                sleep(3);        }    }}   echo "done";