HTTP POST Request via PHP

Sup /prog/

I'm new to PHP and HTTP Requests and was wondering if any of you could help.  I need to know the syntax that an HTTP POST Request passes variables to from an HTML form to the server.  I can't seem to find it anywhere.

POST /post HTTP/1.1
Host: dis.4chan.org
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.7) Gecko/20070914 Firefox/2.0.0.7
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: UTF-8,*
Keep-Alive: 300
Connection: keep-alive
Referer: http://dis.4chan.org/prog/
Cookie: ws_style=Burichan; 4chan_name=Anonymous%20of%20Russian%20Federation%E2%80%AB%E2%80%AE%E2%80%AD%E2%80%AA%23bjxasdw; 4chan_pass=fWGp2q6I; 4chan_email=noko
Content-Type: application/x-www-form-urlencoded
Content-Length: 115

bbs=prog&id=1190773401& lol what 2&kotehan=not+aorf&meiru=noko&com=I+am+posting+on+anonymous+imageboard&email=