Untitled

<?php
include_once 'header.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="style.css">

<body>
<header>

</header>

<section>

    <div class="nav-login">
    <form action="includes/loginprocess.php" method="POST">
        <input class="txtbox" type="text" name="username" placeholder="Username"><br>
        <input class="txtbox" type="password" name="userpass" placeholder="Password"><br>
        <button class="good-looking" type="submit" name="submit">Login</button>
    </form>

    </div>
</section>

</body>
</html>

<?php
session_start();

if(isset($_POST['submit'])) {
    include 'dbconn.php';

    $username = mysqli_real_escape($conn, $_POST['username']);
    $userpass = mysqli_real_escape($conn, $_POST['userpass']);

    if (empty($username) || empty($userpass)) {
        header("Location: ../index.php?login=empty");
        exit();
    } else {
        $sql = "SELECT * FROM samokslogin WHERE samokslogin_username='$username'";
        $result = mysqli_query($conn, $sql);
        $reultCheck = mysqli_num_rows($result);
        if($resultCheck < 1) {
        header("Location: ../index.php?login=error");
        exit();
        } else {
            if($row = mysqli_fetch_assoc($result)) {
                $LoginCheck = password_verify($pwd, $row['samokslogin_userpass']);
                if($LoginCheck == false) {
                    header("Location: ../index.php?login=failed");
                    exit();
                } elseif ($LoginCheck == true) {
                $_SESSION['u_id'] = $row['samokslogin_id'];
                $_SESSION['u_username'] = $row['samokslogin_username'];
                header("Location: ../index.php?login=success");
                exit();
                }
            }
        }
    }
    else {
        header("Location: ../index.php?login=failed");
        exit();
    }
}