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Aug 31st, 2015
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  1. <?php
  2. session_start();
  3. require("connect.php");
  4. $login = htmlentities($_POST['login'], ENT_QUOTES, "UTF-8");
  5. $haslo = htmlentities($_POST['haslo'], ENT_QUOTES, "UTF-8");
  6. if(@$polaczenie = mysqli_connect($host, $db_user, $db_password, $db_name))
  7. {
  8. if($rezultat = @$polaczenie->query(sprintf("SELECT * FROM `users` WHERE nick='%s' AND password='%s'",
  9. mysqli_real_escape_string($polaczenie, $login),
  10. mysqli_real_escape_string($polaczenie, $haslo))))
  11. {
  12. $passwords = $rezultat->num_rows;
  13. if($passwords>0)
  14. {
  15. $_SESSION['zalogowany'] = true;
  16. $wiersz = $rezultat->fetch_assoc();
  17. $_SESSION['nick'] = $wiersz['nick'];
  18. header('Location: czat.php');
  19. }
  20. else
  21. {
  22. if(isset($_SESSION['zalogowany']))
  23. {
  24. unset($_SESSION['zalogowany']);
  25. }
  26. header('Location: zaloguj.php');
  27. }
  28. }
  29. $polaczenie->close();
  30. }
  31. else
  32. {
  33. echo "Nie udało się połaczyć z bazą danych!";
  34. }
  35.  
  36. ?>
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