# 常见问题 1. [心跳](heartbeat.html) 2. [客户端链接失败原因](client-connect-fail.html) 3. [是否支持多线程](about-multi-thread.html) 4. [与其它框架整合](work-with-other-framework.html) 5. [运行多个workerman](running-concurent.html) 6. [支持哪些协议](protocols1.html) 7. [如何设置进程数](processes-count.html) 8. [查看客户端连接数](connection-status.html) 9. [对象和资源的持久化](persistent-data-and-resources.html) 10. [例子无法工作](demo-not-work.html) 11. [启动失败](workerman-start-fail.html) 12. [停止失败](stop-fail.html) 13. [支持多少并发](how-many-connections.html) 14. [更改代码不生效](change-code-not-work.html) 15. [向指定客户端发送数据](send-data-to-client.html) 16. [如何主动推送消息](active-push.html) 17. [在其它项目中推送](push-in-other-project.html) 18. [如何实现异步任务](async-task.html) 19. [status里send\_fail的原因](about-send-fail.html) 20. [Windows下开发Linux下部署](windows-to-linux.html) 21. [是否支持socket.io](socketio-support.html) 22. [终端关闭导致workerman关闭](ssh-close-and-workerman-stop.html) 23. [与nginx apache的关系](relationship-with-apache-nginx.html) 24. [禁用函数检查](disable-function-check.html) 25. [平滑重启原理](reload-principle.html) 26. [为Flash开843端口](843-port-for-flash-socket-policy-file.html) 27. [如何广播数据](how-to-broadcast.html) 28. [如何建立udp服务](how-to-create-udp-service.html) 29. [监听ipv6](ipv6.html) 30. [关闭未认证的链接](close-unauthed-connections.html) 31. [传输加密-ssl/tsl](ssl-support.html) 32. [创建wss服务](secure-websocket-server.html) 33. [创建https服务](secure-http-server.html) 34. [workerman作为客户端](use-workerman-as-client-side.html) 35. [作为ws/wss客户端](as-wss-client.html) 36. [PHP的几种回调写法](callback_methods.html)