Login

<?php      

    include('connection.php');  

    $username = $_POST['user'];  

    $password = $_POST['pass'];  

     

        //to prevent from mysqli injection  

        $username = stripcslashes($username);  

        $password = stripcslashes($password);  

        $username = mysqli_real_escape_string($con, $username);  

        $password = mysqli_real_escape_string($con, $password);  

     

        $sql = "select * from login where User = '$username' and Password = '$password'";  

        $result = mysqli_query($con, $sql);  

        $row = mysqli_fetch_array($result, MYSQLI_ASSOC);  

        $count = mysqli_num_rows($result);  

         

        if($count == 1){  

            header("location: BL1.php");

        }  

        else{  

            echo "<h1> Login failed. Invalid username or password.</h1>";  

        }    

?>  


<?php

include('DBC.php');

if(isset($_POST['bt1'])){

$Pass = $_POST['Pass'];

if(empty($_POST['User']) || empty($_POST['Pass'])){

    echo' Pass and name needed';

    }

else{

    $User = $_POST['User'];

    $Pass = $_POST['Pass'];

$sql = "select * from login where User = '$User' and Password = '$Pass' ";

$query = mysqli_query($con, $sql);

if($row = mysqli_fetch_object($query)){ 

    if($row->Status == 'Admin'){

    header("location: MainAdmin.php");

    mysql_close($con);

    }

    else if($row->Status == 'Student'){

        switch($User){

        case 'year1M1':

        header("location: BL1.php");

        break;

        case 'year1M2':

        header("location: BL2.php");

        break;

        case 'year2M1':

        header("location: BL3.php");

        break;

        case 'year2M2':

        header("location: BL4.php");

        break;

        case 'year3M1':

        header("location: BL5.php");

        break;

        default:

        echo 'ໃສ່ຂໍ້ມູນບໍ່ຖືກຕ້ອງ';

        break;

        }

        }

        else{$error='ຂໍ້ມູນບໍ່ຖືກຕ້ອງ';}

}

    else{$error='ຊື່ແລະລະຫັດບໍ່ຖືກຕ້ອງ';}

  }     


}

        ?>

    

https://www.youtube.com/watch?v=Wu6RNXDIHn8in

https://stackoverflow.com/questions/54469576/float-login-form-to-right-of-the-nav