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Jul 7th, 2017
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PHP 1.41 KB | None | 0 0
  1. <?php
  2. session_start();
  3.  
  4. if (isset($_POST['login']) && isset($_POST['haslo'])){
  5.  
  6.     $login = $_POST['login'];
  7.     $haslo = $_POST['haslo'];
  8.  
  9.     $db_user = 'root';
  10.     $db_host = 'localhost';
  11.     $db_password = 'krasnal';
  12.     $db_name = 'uzytkownik';
  13.  
  14. $polacz_z_db = new mysqli($db_host,$db_user,$db_password,$db_name);
  15.  
  16. if (mysqli_connect_error()){
  17.     echo 'Polaczenie z baza niepowiodlo sie: '.mysqli_connect_error();
  18.     exit();
  19. }
  20.  
  21.  
  22.     $wybor_usera = "SELECT * FROM uzy WHERE imie = '$login' and haslo='$haslo'";
  23.  
  24.     $wynik = $polacz_z_db -> query($wybor_usera);
  25.     if($wynik -> num_rows > 0){
  26.         $_SESSION['prawid_uzyt'] = $login;
  27.     }
  28.     $polacz_z_db -> close();
  29.     }
  30. ?>
  31. <html>
  32. <head>
  33. <title>Logowanie</title>
  34. </head>
  35. <body>
  36. <?php
  37. if (isset($_SESSION['prawid_uzyt'])){
  38.     echo 'U?ytkownik zalogowany jako '.$_SESSION['prawid_uzyt'].'<br />';
  39.     echo '<a href = "wyloguj.php">Wyloguj</a><br />';
  40. }
  41. else {
  42.     if (isset($login)){
  43.         echo 'Zalogowanie niemozliwe '.$login;
  44.  
  45.     }
  46.     else {
  47.         echo 'Uzytkownik niezalogowany';
  48.     }
  49.     echo '<form action = "logowanie.php" method = "POST">';
  50.     echo '<input type = "text" name = "login" value = "Podaj Login">';
  51.     echo '<input type = "password" name = "haslo" value = "password">';
  52.     echo '<input type = "submit" value = "OK">';
  53.     echo '<input type = "reset" value = "Anuluj">';
  54. }
  55. ?>
  56. </body>
  57. </html>
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