正文
https://ibaiyang.github.io/blog/php/2020/07/01/PHP-Socket初探.html
https://ibaiyang.github.io/blog/php/2019/08/27/PHP-socket编程.html
另外可以看下 https://mp.weixin.qq.com/s/0j49Zy9EtmnKuKajsUJRbw
参考资料
PHP IO编程epoll实现方案 https://mp.weixin.qq.com/s/0j49Zy9EtmnKuKajsUJRbw