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Nov 28th, 2017
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  1. if (isset($_SESSION["LAST_ACTIVITY"])) {
  2. if (time() - $_SESSION["LAST_ACTIVITY"] > 1800)) {
  3. // last request was more than 30 minutes ago
  4. session_unset(); // unset $_SESSION variable for the run-time
  5. session_destroy(); // destroy session data in storage
  6. } else if (time() - $_SESSION["LAST_ACTIVITY"] > 60) {
  7. $_SESSION["LAST_ACTIVITY"] = time(); // update last activity time stamp
  8. }
  9. }
  10.  
  11. $query = "SELECT *
  12. FROM user_details
  13. WHERE username = '$username'
  14. AND password = '$password'";
  15.  
  16. $result = mysqli_query($dbconnect, $query);
  17. $row = mysqli_fetch_array($result);
  18.  
  19. $count = mysqli_num_rows($result);
  20.  
  21. if ($count == 1) {
  22. session_start();
  23. echo "Welcome " .$username. "</br>";
  24. $_SESSION['username'] = $username;
  25. $login_time = time();
  26. $_SESSION["LAST_ACTIVITY"] = $login_time ;
  27. include('session.php');
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