<?php
$username = $password = "aaaa";
if ($_SERVER['PHP_AUTH_USER'] == $username && $_SERVER['PHP_AUTH_PW'] == $password){
echo 'Test steps:<br>';
echo '1. Set Private Browsing off. (Settings -> Privacy & Security -> Private Browsing)<br>';
echo '2. Refresh the page.<br>';
echo '3. There should be a dialog for you to input username and password again.<br>';
echo 'If you can\'t see the dialog, this test fails.<br>';
exit;
} else {
header('WWW-Authenticate: Basic realm="My Realm"');
header('HTTP/1.0 401 Unauthorized');
echo "Authorization Required.";
exit;
}
?>