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- <?php
- session_start()
- if(isset($_SESSION['username'])){
- echo "Logged in as: " . $_SESSION['username'];
- }
- else{
- echo '<form action="login.php" method="post">
- Username: <input name="username" type="text" /><br>
- Password: <input type="password" name="password" /><br>
- <button type="submit">Submit</button><br>
- </form>';
- }
- mysql_connect("HOST", "USER", "PASS");
- mysql_select_db("DATABASE");
- if(isset($_POST['username'])){
- if(login($_POST['username'], $_POST['password'])){
- echo "Logged in as: ".$_POST['username'];
- $_SESSION['username'] = $_POST['username'];
- }
- }
- function login($username, $password){
- $username = mysql_real_escape_string($username);
- $password = md5($password);
- $result = mysql_query("SELECT * FROM `users` WHERE `username` = '$username' AND `pass` LIKE '$password'");
- $row = mysql_fetch_row($result);
- if($row[2] == $password){
- return true;
- }
- else{
- return false;
- }
- }
- ?>
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