USER LOGIN CODE IN PHP

<?php

session_start();

include '../connection.php';

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

$email = $_POST['email'];

$password = $_POST['password'];

}

// print_r($email);

// print_r($password);

$emailquery = "select * from registration where email='$email' and password ='$password'";

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

$row = mysqli_fetch_array($query);

if ($row['email'] == $email && $row['password'] == $password){

$_SESSION['username'] = $row['name'];

?>

<script>

window.location.replace('../user/userindex.php');

</script>

<?php

}

else{

?>

<script>

alert("Email Or password Incorrect");

window.location.replace('../login.php');

</script>

<?php

}

?>