Document Root PHP

Question

Just to confirm, is using:

$_SERVER[\"DOCUMENT_ROOT\"]

the same as using: /

in HTML.

Eg. If current document is:

Answer 1

go with php
    

go to with html

Try this yourself and find that they are not exactly the same.

$_SERVER['DOCUMENT_ROOT'] renders an actual file path (on my computer running as it's own server, C:/wamp/www/

HTML's / renders the root of the server url, in my case, localhost/

But C:/wamp/www/hello.html and localhost/hello.html are in fact the same file