login2.php

<?phP
    //koneksi database
    include "../../Config/Connection.php";
    //validasi menangkap username
    if(empty($_POST["usrnm"])){
        header ("location:../../login.php?show=error1");
    }else{
        if(empty($_POST["pass"])){
            header ("location:../../login.php?show=error2");
        }else{
            if(empty($_POST["nilaiCaptcha"])){
                header("location:../../login.php?show=error5");
            }else{
                session_start();
                if(empty($_SESSION["Captcha"])){
                    header("location:../../login.php?show=error7");
                }else{
                    $cap=$_POST["nilaiCaptcha"];
                    if($_SESSION["Captcha"]!=$_POST["nilaiCaptcha"]){
                        header("location:../../login.php?show=error3");
                    }else{
                        $username=$_POST["usrnm"];
                        $password=$_POST["pass"];
                        $captcha=$_POST["nilaiCaptcha"];
                        //membuka data dari database berdasarkan username dan password
                        $QueryAkses = mysqli_query($conn, "SELECT * FROM akses WHERE username='$username' AND password='$password'")or die(mysqli_error($conn));
                        $data = mysqli_fetch_array($QueryAkses);
                        $id_akses = $data['id_akses'];
                        $nama_lengkap = $data['nama_lengkap'];
                        $email = $data['email'];
                        $no_kontak = $data['no_kontak'];
                        $username = $data['username'];
                        $password = $data['password'];
                        $level = $data['level'];
                        if(empty($id_akses)){
                            header("location:../../login.php?show=error4");
                        }else{
                            session_start();
                            $_SESSION ["hak_akses"]=$level;
                            header("location:../../index.php?show=login_berhasil");
                        }
                    }
                }
            }
        }
    }
?>