How to dynamically create a sub-domain from a simple webpage? [closed]

问题

Closed. This question is off-topic. It is not currently accepting answers.

---

Want to improve this question? Update the question so it's on-topic for Stack Overflow.

Closed 6 years ago.

What is the best way to create the sub-domain automatically from PHP. I want to develop a application in php in which a user can automatically create a sub-domain from my domain if he/she fills the registration form sucessfully.

回答1:

1. Set up wildcard DNS for your subdomains (how you do this depends on your DNS server (or service provider)).
2. Configure your HTTP server so that your default virtual host will get everything from the wild carded DNS (how you do this depends on your HTTP server).
3. Pay attention to $_SERVER['HTTP_HOST'] in your script.

来源：https://stackoverflow.com/questions/17595293/how-to-dynamically-create-a-sub-domain-from-a-simple-webpage