<?
/* check for values in php_auth_pw */

if ((!isset(php_auth_pw))) {

/* no values: send headers causing dialog box to appear */
header('www-authenticate: basic realm="my private stuff"');
header('http/1.0 401 unauthorized');
echo 'authorization required.';
exit;

} else if ((isset($php_auth_user)) && (isset($php_auth_pw))){

/* values contain some values, so check to see if they're correct */

if (($php_auth_user != "validname") || ($php_auth_pw != "goodpassword")) {
/* if either the username entered is incorrect, or the password entered is incorrect, send the headers causing dialog box to appear */
header('www-authenticate: basic realm="my private stuff"');
header('http/1.0 401 unauthorized');
echo 'authorization required.';
exit;
} else if (($php_auth_user == "validname") || ($php_auth_pw == "goodpassword")) {
/* if both values are correct, print success message */
echo "<p>you're authorized!</p>";
}
}
?>