$_SERVER['PHP_SELF']: /Tools/uuidCreate.php
uuid based on $_SERVER['PHP_SELF']
2f546f6f-6c73-4f75-b569-644372656174
$_SERVER['REQUEST_URI']: /Tools/uuidCreate.php
uuid based on "/Tools/uuidCreate.php" = 2f546f6f-6c73-4f75-b569-644372656174
2f546f6f-6c73-4f75-b569-644372656174