01.<?php
02.session_start();
03.
04.
05.$username = "";
06.$email = "";
07.$errors = array();
08.
09.
10.$db = mysqli_connect('localhost', 'root', '123456789', 'registration');
11.
12.
13.if (isset($_POST['reg_user'])) {
14.
15. $username = mysqli_real_escape_string($db, $_POST['username']);
16. $email = mysqli_real_escape_string($db, $_POST['email']);
17. $password_1 = mysqli_real_escape_string($db, $_POST['password_1']);
18. $password_2 = mysqli_real_escape_string($db, $_POST['password_2']);
19.
20. if (mysqli_connect_errno())
21. {
22. echo "Database Connect Failed : " . mysqli_connect_error();
23. exit();
24. }
25.
26.
27. $intRejectTime = 20;
28. $sql = "UPDATE member SET LoginStatus = '0', LastUpdate = '0000-00-00 00:00:00' WHERE 1 AND DATE_ADD(LastUpdate, INTERVAL $intRejectTime MINUTE) <= NOW() ";
29. $query = mysqli_query($con,$sql);
30.
31.
32. if (empty($username)) { array_push($errors, "Username is required"); }
33. if (empty($email)) { array_push($errors, "Email is required"); }
34. if (empty($password_1)) { array_push($errors, "Password is required"); }
35. if ($password_1 != $password_2) {
36. array_push($errors, "The two passwords do not match");
37. }
38.
39.
40.
41. $user_check_query = "SELECT * FROM users WHERE username='$username' OR email='$email' LIMIT 1";
42. $result = mysqli_query($db, $user_check_query);
43. $user = mysqli_fetch_assoc($result);
44.
45. if ($user) {
46. if ($user['username'] === $username) {
47. array_push($errors, "Username already exists");
48. }
49.
50. if ($user['email'] === $email) {
51. array_push($errors, "email already exists");
52. }
53. }
54.
55.
56. if (count($errors) == 0) {
57. $password = md5($password);
58.
59. $query = "INSERT INTO users (username, email, password)
60. VALUES('$username', '$email', '$password')";
61. mysqli_query($db, $query);
62. $_SESSION['username'] = $username;
63. $_SESSION['success'] = "เข้าสู่ระบบสำเร๊จ";
64. header('location: index.php');
65. }
66.}
67.
68.
69.if (isset($_POST['login_user'])) {
70. $username = mysqli_real_escape_string($db, $_POST['username']);
71. $password = mysqli_real_escape_string($db, $_POST['password']);
72.
73. if (empty($username)) {
74. array_push($errors, "กรุณาใส่ Username");
75. }
76. if (empty($password)) {
77. array_push($errors, "กรุณาใส่ Password");
78. }
79.
80. if (count($errors) == 0) {
81. $password = md5($password);
82. $query = "SELECT * FROM users WHERE username='$username' AND password='$password'";
83. $results = mysqli_query($db, $query);
84. if (mysqli_num_rows($results) == 1) {
85. $_SESSION['username'] = $username;
86. $_SESSION['success'] = "เข้าสู่ระบบสำเร๊จ";
87. header('location: index.php');
88. }else {
89. array_push($errors, "ชื่อผู้ใช้ หรือ รหัสผ่านไม่ถูกต้อง");
90. }
91. }
92. }
93.
94. ?>
