'123456','username1' => 'password1','username2' => 'password2'); /* Check and assign submitted Username and Password to new variable */$Username = isset($_POST['Username']) ? $_POST['Username'] : ''; $Password = isset($_POST['Password']) ? $_POST['Password'] : ''; /* Check Username and Password existence in defined array */if (isset($logins[$Username]) && $logins[$Username] == $Password){ /* Success: Set session variables and redirect to Protected page */$_SESSION['UserData']['Username']=$logins[$Username]; header("location:index.php"); exit; } else { /*Unsuccessful attempt: Set error message */$msg="Invalid Login Details"; } } ?>