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a guest Jun 15th, 2017 58 Never
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  1. <?php
  2.     if(isset($_GET['sign-out'])) {
  3.     unset($_SESSION['sign-in']);
  4.  
  5.         header("Location: index.php");
  6.         die;
  7.     }
  8.     if(!isset($_SESSION['sign-in'])) {
  9. ?>
  10. <form method="POST" action="index.php">
  11.     <label for="username">Username</label>
  12.     <input type="text" id="username" name="username" placeholder="Username" tabindex="1">
  13.     <br><br>
  14.     <label for="password" id="password" name="password">Password&nbsp;</label>
  15.     <input type="password" id="password" name="password" placeholder="Password" tabindex="2"><br><br>  
  16.    
  17.     <input type="submit" name="submit" value="Login" tabindex="3">
  18. </form>
  19. <?php
  20.     if(isset($_POST["submit"])) {
  21.         // require "app/includes/function.php";
  22.  
  23.         $username = htmlspecialchars($_POST['username'], ENT_QUOTES);
  24.         $password = htmlspecialchars($_POST['password'], ENT_QUOTES);
  25.  
  26.         $query = mysqli_query($connection, "SELECT `id` FROM `users` WHERE `user_name` = '".$username."' AND `user_password` = '".$password."'"); die;
  27.         $rows = mysqli_num_rows($query);
  28.  
  29.         if($rows > 0) {
  30.             $_SESSION['sign-in'] = "true";
  31.  
  32.             header("Location: index.php");
  33.  
  34.             die;
  35.         } else {
  36.             echo "The data is not correctly entered";
  37.         }
  38.     }
  39. } else {
  40. ?>
  41.     You have successfully logged<br>
  42.     <a href="index.php?sign-out=true">Sign out</a>
  43. <?php
  44.     }
  45. ?>
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