<"sendmail"=>1,
  "mailto"=>"12345@qq.com",
  "sendsms"=>1,
  "smsto"=>"123456"
);
echo "start:".date("Y-m-d H:i:s").PHP_EOL;
$mail_process = new swoole_process('sendMail',true);
$mail_process->start();
$sms_process = new swoole_process('sendSMS',true);
$sms_process->start();
//主进程输出子进程范围内容
echo $mail_process->read();
echo PHP_EOL;
echo $sms_process->read();
echo PHP_EOL;
echo "end:".date("Y-m-d H:i:s").PHP_EOL;
//并行函数
function sendMail(swoole_process $worker){
  global $info;
  if($info['sendmail']==1){
    sleep(2);
    $worker->write("send mail to ".$info['mailto']);
  }
}
function sendSMS(swoole_process $worker){
  global $info;
  if($info['sendmail']==1){
    sleep(2);
    $worker->write("send sms to ".$info['smsto']);
  }
}

<"www.baidu.com".$i;
}
echo "start:".date("Y-m-d H:i:s").PHP_EOL;
$workers = array();
for ($i=0;$i<5;$i++){
  $process = new swoole_process('getContents',true);
  $process->start();
  $process->write($i);
  $workers[] = $process;
}
//主进程数据结果
foreach ($workers as $process){
  echo $process->read();
  echo PHP_EOL;
}
echo "end:".date("Y-m-d H:i:s").PHP_EOL;
function getContents(swoole_process $worker){
  $i = $worker->read();
  global $url_arr;
  $res1 = execCurl($url_arr[($i*2)]);
  $res2 = execCurl($url_arr[($i*2+1)]);
  echo $res1.PHP_EOL.$res2;
}
function execCurl($url){
  sleep(2);
  return "handle ".$url." finished";
}