login.php

<?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($_SESSION["Captcha"]!=$_POST["nilaiCaptcha"]){
                header("location:../../login.php?show=error3");
            }else{
                $username=$_POST["usrnm"];
                $password=$_POST["pass"];
                $nilaiCaptcha=$_POST["nilaiCaptcha"];
                if($username!=="admin"){
                    header("location:../../login.php?show=error4");
                }else{
                    if($password!=="admin"){
                        header("location:../../login.php?show=error5");
                    }else{
                        session_start();
                        $_SESSION ["hak_akses"]="Admin";
                        header("location:../../index.php?show=login_berhasil");
                    }
                }
            }
        }
    }
?>