title: How to know actual url in codeigniter
body: <p>I got into this error:</p>
  
  <pre><code>404 Page Not Found
  The page you requested was not found.
  </code></pre>
  
  <p>But I want to know where am I? So I can fix the URL.</p>
  
  <p>If it possible how to print the actual URL out.</p>
  
  <p>Update: What is the controller and function.</p>