3
Place this in a php file in your server root:
<? phpinfo(); ?>
you can call it anything you wish i.e.
phpinfo.php
then call it from your server by typing this in your browser:
www.yoursite.com/phpinfo.php
Scroll down to "PHP Variables" and look for "Sever Document Root"
it may look something like this :
home/youraccount/public_html