swoole服務只起一個進程嗎

<?php class Server {     private $serv;      public function __construct() {         $this->serv?=?new?swoole_server("0.0.0.0",?9502); ????????$this-&gt;serv-&gt;set([ ????????????'worker_num'??????=&gt;?3, ????????????'task_worker_num'?=&gt;?3, ????????]); ????????$this-&gt;serv-&gt;on('Start',?function?($serv)?{ ????????????echo?"SWOOLE:".SWOOLE_VERSION?.?"?服務已啟動".PHP_EOL; ????????????echo?"SWOOLE_CPU_NUM:".swoole_cpu_num().PHP_EOL; ????????}); ????????$this-&gt;serv-&gt;on('Receive',?function?($serv,?$fd,?$from_id,?$data)?{?}); ????????$this-&gt;serv-&gt;on('Task',?function?($serv,?$task)?{?}); ????????$this-&gt;serv-&gt;on('Finish',?function?($serv,?$task_id,?$data)?{}); ????????$this-&gt;serv-&gt;start(); ????} } $server?=?new?Server();