title: How do I create subdomain names dynamically php script in ubuntu server
body: <p>I would like to be able to create subdomain name dynamically using PHP.I am using ubuntu server (Alibaba cloud server).
  Example:</p>
  
  <blockquote>
    <p><a href="http://subdomain.example.com" rel="nofollow noreferrer">http://subdomain.example.com</a></p>
  </blockquote>
  
  <p>please help me.</p>