title: CodeIgniter 3.1.11 localhost is not working (HTTP ERROR 500)
body: <p>i'am using first time codeigniter .But i know php .</p>
  <pre><code>const CI_VERSION = '3.1.11';
  </code></pre>
  <p>My problem is ; website is working on hosting , im create backup and download my localhost folder.but doesn't work in localhost, i want to work localhost (wamp server). i was get a error HTTP ERROR 500.</p>
  <p>localhost url : http://localhost/test/</p>
  <p><strong>I was edit : application/config.php</strong></p>
  <p>$config['base_url'] = 'http://localhost/test/';</p>
  <p><strong>I was update : application/database.php</strong></p>
  <p>what should I do ? What is next step ?</p>