Use for finding fullpath of underlying .htpasswd

__fullpath__.php

<?php
$dir = dirname(__FILE__);
echo $dir;
?><br><?php
echo "PATH [{$_SERVER['PATH']}]";
?><br><?php
echo "HTTP_HOST [{$_SERVER['HTTP_HOST']}]";
?><br><?php
echo "SERVER_NAME [{$_SERVER['SERVER_NAME']}]";
exit;