cookie不是存在客户端的吗 这和服务端的php有啥关系 ？

Question

cookie不是存在客户端的吗 这和服务端的php有啥关系？

Answer 1

Don’t cookies exist on the client side? What does this have to do with PHP on the server side? -PHP Chinese website Q&A-Don’t cookies exist on the client side? What does this have to do with server-side PHP? -PHP Chinese website Q&A

Please watch and learn.

Answer 2

在不用js处理的前提之下，放在客户端也得发送到服务器处理呀