Update stulogg.php

stulogg.php

 <?php
 session_start();
+include('connection.php');
+$connection = getdb();
 if(isset($_SESSION['username2'])){
 $username2=$_SESSION['username2'];
 echo "<script>location.href='du.php?id=$username2'</script>";
 }
 else{
-$connection = mysqli_connect("localhost","root","");
-$db = mysqli_select_db($connection,'test');
 if(isset($_POST['search']))
 {
 if (isset($_POST['user_id']) and isset($_POST['user_pass'])){
@@ -190,4 +190,4 @@ a {
  </table></center></body>
 </div>
 </div>
-</html>
\ No newline at end of file
+</html>