<?php

header("Content-type: image/png");

$im = imagecreate(256, 64);

imagecolorallocate($im, 0, 0, 0);

$green_color = imagecolorallocate($im, 0, 255, 0);

imagerectangle($im, 0, 0, 255, 63, $green_color);

$login = $_SERVER['PHP_AUTH_USER'];

$pass = $_SERVER['PHP_AUTH_PW'];

if ((strlen($login)<3) || (strlen($pass)<1)){

Header('HTTP/1.1 401 Unauthorized');

Header('WWW-Authenticate: Basic realm="hidden"');

imagestring($im, 2, 64, 25, "You're not authorized!", $green_color);

} else {

imagestring($im, 2, 16, 16, "Your login is '$login', and", $green_color);

imagestring($im, 2, 16, 36, "your password is '$pass'", $green_color);

}

imagepng($im);

imagedestroy($im);

?>