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May 11th, 2020
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  1. <?php
  2. $dbc = mysqli_connect('127.0.0.1', 'root', '', 'buy_sell_base');
  3. if(isset($_POST['submit'])){
  4. $username = mysqli_real_escape_string($dbc, trim($_POST['username']));
  5. $password1 = mysqli_real_escape_string($dbc, trim($_POST['password1']));
  6. $password2 = mysqli_real_escape_string($dbc, trim($_POST['password2']));
  7. if(!empty($username) && !empty($password1) && !empty($password2) && (password1 == password2)){
  8. $query = "SELECT * FROM 'signup' WHERE username ='$username'";
  9. $data = mysqli_query($dbc, $query);
  10. if(mysqli_num_rows($data) == 0){
  11. $query = "INSERT INTO 'signup' (username, password) VALUES ('$username', '$password2')";
  12. mysqli_query($dbc, $query);
  13. echo 'Все готово';
  14. mysqli_close($dbc);
  15. exit();
  16. }
  17. else{
  18. echo 'Пользователь уже зарегистрирован';
  19. }
  20. }
  21. }
  22. ?>
  23. <!DOCTYPE html>
  24. <html>
  25. <head>
  26. <title>Test</title>
  27. <meta charset="UTF-8">
  28. <link rel="stylesheet" href="style.css">
  29. </head>
  30. <body>
  31. <content>
  32. <form method="POST" action="<?php echo $_SERVER['PHP_SELF']; ?>">
  33. <!--Имя-->
  34. <label for="username">Введите своё имя:</label>
  35. <input type="text" name="username">
  36. <!--E-MAIL-->
  37. <br>
  38. <label for="username">Введите свой e-mail:</label>
  39. <input type="e-mail" name="email">
  40. <!--Пароль1-->
  41. <br>
  42. <label for="password">Введите пароль:</label>
  43. <input type="password" name="password1">
  44. <!--Пароль2-->
  45. <br>
  46. <label for="password">Введите пароль ещё раз:</label>
  47. <input type="password" name="password2">
  48. <!--Кнопка-->
  49. <br>
  50. <button type="submit" name="submit">Вход</button>
  51. </form>
  52. </content>
  53. </body>
  54. </html>
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