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May 23rd, 2019
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  1. <?php
  2. if (isset($_POST['log'])) {
  3. $login = $_POST['login'];
  4. $passwd = $_POST['password'];
  5. $servername = "localhost";
  6. $username = "root";
  7. $password = "";
  8. $dbname = "security";
  9. $conn = mysqli_connect($servername, $username, $password, $dbname);
  10. if ($conn){
  11. $sql = "SELECT id FROM users WHERE login ='".$login."'";
  12. $result = mysqli_query($conn,$sql);
  13. if (mysqli_num_rows($result)==0){
  14. $sql = "INSERT INTO users (login,pass) VALUES ('".$login."','".$passwd."')";
  15. $result = mysqli_query($conn,$sql);
  16. echo $login.", Вы успешно зарегистрировались";
  17. }
  18. else
  19. {
  20. echo "Данный аккаунт зарегистрирован";
  21. }
  22. }
  23. mysqli_close($conn);
  24. }
  25. function showForm() {
  26. $string = "<form action = '".$_SERVER["SCRIPT_NAME"]."' method='post'>";
  27. $string .= "<label>Login: </label>";
  28. $string .= "<input type = 'text' name = 'login'>";
  29. $string .= "<br />";
  30. $string .= "<label>Password: </label>";
  31. $string .= "<input type = 'password' name = 'password'>";
  32. $string .= "<br /><br />";
  33. $string .= "<input type = 'submit' name = 'log' value = 'Зарегистрироваться'>";
  34. $string .= "</form>";
  35. return $string;
  36. }
  37. ?>
  38. <!DOCTYPE html>
  39. <html>
  40. <head>
  41. <meta charset="utf-8">
  42. <title> Регистрация </title>
  43. </head>
  44. <body style="background-color:#F8F9FA">
  45. <div class="container" style="width:94%; background:#D3D3D3; padding: 3%;";>
  46. <div class="row">
  47. <h1>Регистрация</h1>
  48. <?php
  49. $login = $_COOKIE['login'];
  50. if ($login != "") echo "Hello, $login";
  51. else echo showForm();
  52. ?>
  53. </div>
  54. </div>
  55. </html>
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