Codeaza/change-password.php at main · debugger2Y5/Codeaza · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
<?php
$valid = true;
$error = [];
$form_data = [];
if(!empty($_POST['username']))
{
    $username = $_POST['username'];
}

if(!empty($_POST['username']))
{
    $username = $_POST['username'];
    $username_data = array("username" => $username);
    $form_data = array_merge($form_data, $username_data);
    $username_error = array("username_error" => "");
    $error = array_merge($error, $username_error);
}
else
{
    $valid = false;
    $username = "";
    $username_data = array("username" => $username);
    $form_data = array_merge($form_data, $username_data);
    $username_error = array("username_error" => "* Username is required.");
    $error = array_merge($error, $username_error);
}


if(!empty($_POST['old_password']))
{
    $old_password = $_POST['old_password'];
    $old_password_data = array("old_password" => $old_password);
    $form_data = array_merge($form_data, $old_password_data);
    $old_password_error = array("old_password_error" => "");
    $error = array_merge($error, $old_password_error);
}
else
{
    $valid = false;
    $old_password = "";
    $old_password_data = array("old_password" => $old_password);
    $form_data = array_merge($form_data, $old_password_data);
    $old_password_error = array("old_password_error" => "* Old password is required.");
    $error = array_merge($error, $old_password_error);
}

if(!empty($_POST['new_password']))
{
    $new_password = $_POST['new_password'];
    $new_password_data = array("new_password" => $new_password);
    $form_data = array_merge($form_data, $new_password_data);
    $new_password_error = array("new_password_error" => "");
    $error = array_merge($error, $new_password_error);
}
else
{
    $valid = false;
    $new_password = "";
    $new_password_data = array("new_password" => $new_password);
    $form_data = array_merge($form_data, $new_password_data);
    $new_password_error = array("new_password_error" => "* New password is required.");
    $error = array_merge($error, $new_password_error);
}

if(!empty($_POST['confirm_password']))
{
    $confirm_password = $_POST['confirm_password'];
    $confirm_password_data = array("confirm_password" => $confirm_password);
    $form_data = array_merge($form_data, $confirm_password_data);
    $confirm_password_error = array("confirm_password_error" => "");
    $error = array_merge($error, $confirm_password_error);
}
else
{
    $valid = false;
    $confirm_password = "";
    $confirm_password_data = array("confirm_password" => $confirm_password);
    $form_data = array_merge($form_data, $confirm_password_data);
    $confirm_password_error = array("confirm_password_error" => "* Confirm password is required.");
    $error = array_merge($error, $confirm_password_error);
}

if($new_password != '' && $confirm_password != '')
{
    if($new_password != $confirm_password)
    {
        $valid = false;
        $confirm_password_error = array("confirm_password_error" => "* Confirm password is same as new password.");
        $error = array_merge($error, $confirm_password_error);
    }

    if($new_password == $confirm_password)
    {
        $confirm_password_error = array("confirm_password_error" => "");
        $error = array_merge($error, $confirm_password_error);
    }
}

if($valid==true)
{
     include 'config.php';
    $db_name = 'codeaza'; // database name
    mysqli_select_db($dbc, $db_name);
    $check_data = "SELECT * FROM users WHERE username = '$username' ";
    $check_query = mysqli_query($dbc, $check_data);
    $numRows = mysqli_num_rows($check_query);
    $user_data = mysqli_fetch_assoc($check_query);

    if($numRows == 1)
    {
        $check_old_password = password_verify($old_password,$user_data['password']);
        if($check_old_password)
        {
            $new_password_encrypt = password_hash($new_password,PASSWORD_DEFAULT);
            $username = $form_data['username'];
            $sql = "UPDATE users SET password = '$new_password_encrypt' WHERE username = '$username' ";
            $query = mysqli_query($dbc, $sql);
            // $row = mysqli_affected_rows($query);
            // if($row == 1)
            // {
            //     echo "Your password is successfully changed.";
            //      // die;

            // }
        }
        else
        {
            echo "Please try again!";
            // die;
        }
    }
    else
    {
        echo "No database record matched with your data.";
        // die;
    }
}
else
{
    $_SESSION['error'] = $error;
    $_SESSION['form_data'] = $form_data;
    header('Location:index.php');
}
?>