Untitled

<html>
    <head>
        <title>Simative | Login</title>
        <link rel="shortcut icon" type="image/png" href="square.png">
        <link href="login.css" rel="stylesheet">


    </head>
    <body>


        <form action="home.php" method="post">
        <div class="container">
            <h4>Login</h4>
            <hr>
            <center><input type="text" placeholder="Username" name="uname" required></center>
            <center><input type="text" placeholder="Email" name="email" required></center>
            <center><input type="text" placeholder="Password" name="pword" required></center>
            <center><input type="submit" name="Submit"></center>
            <center><p>
            Have an account?
            <center><a href="register.php">Haven't got an account? Why not sign up!</a></p></center>


        </div>
      </form>
</body>
</html>


<?php

    include("connect.php");
    session_start();
    // https://www.tutorialspoint.com/php/php_mysql_login.htm
     if($_SERVER["REQUEST_METHOD"] == "POST") {

      $myusername = mysqli_real_escape_string($db,$_POST['uname']);
      $mypassword = mysqli_real_escape_string($db,$_POST['pword']);

      $sql = "SELECT id FROM staff WHERE username = '$myusername' and password = '$mypassword'";
      $result = mysqli_query($db,$sql);
      $row = mysqli_fetch_array($result,MYSQLI_ASSOC);
      $active = $row['active'];

      $count = mysqli_num_rows($result);

      if($count == 1) {
         $_SESSION['login_user'] = $myusername;
         header("Location: home.php");
         die();
      }else {
         $error = "Your Login Name or Password is invalid";
      }
   }
?>