title: where does session save?
body: <p>I would like to know where PHP session data is saved; is it in client browser? or on the server?</p>
  
  <p>When I disable cookies in my browser setting, PHP can't save session data, but in <code>php.ini</code>, I can change the session save path.</p>
  
  <p>Is session data stored on the server or client browser?</p>