title: URL mapping [Code igniter]
body: <p>I am making a test wallpapers app to learn the CodeIgniter framework.</p>
  
  <p>How to achieve this:</p>
  
  <p>" When I enter wallpapers.example.com , instead of redirecting to full link, home page should open at  wallpapers.example.com , want to exclude "/earthplanet/index.php/" thing from url.</p>