Php echos

Note: Im the biggest php noob ever!

Right, want i want to do is transform this:

<?php echo "$site_url"; ?>

Into

{site_url}

how would i go about doing it?

If it helps in anyway:

$site_url = 'http://website.com';

 

oups it got parsed out.

Are you looking at just echoing the _$SERVER env variable ?

 

I dont get it?

 

http://www.tanru.com/php/replacement-template-engine.htm

That tutorial there helps you out, it is a lot more than just simply changing it