Getting request's source site

Mon Aug 26 10:25:49 EDT 2013

On Mon, 26 Aug 2013 06:10:41 -0700, Guy Tamir wrote:

> Hi all,
> 
> I was wondering how i can get the source from which the request came
> from. If a user posted a link that directs to my server on facebook i'd
> like to know that a specific click was from facebook or twitter etc..

That would be the "referer" header in the HTTP request. (Note that it is 
an accidental misspelling of "referrer".) Including a referrer is not 
compulsory, so be prepared for it not to be available.

-- 
Steven