PHP/Design Patterns/Request Info

For GET requests, the encoded data send appended to the URL

   <source lang="html4strict">

<? echo getenv("$QUERY_STRING"); ?>

      </source>
   
  

The address of the page from which the request was made

   <source lang="html4strict">

<? echo getenv("$HTTP_REFERER"); ?>

      </source>
   
  

The full address of the request including query string

   <source lang="html4strict">

<? echo getenv("$REQUEST_URI"); ?>

      </source>
   
  

Whether the request was GET or POST

   <source lang="html4strict">

<? echo getenv("$REQUEST_METHOD"); ?>

      </source>