Michael Calkins wrote:
How is it used for a website then?

Some program is using the ID 4 and the value of "cus" to bring up information you requested on a prior page. Probably to query a database for those values.

As Ashley said: it is GET ($_GET) data in a URL -- a way to pass values from one page to another using the URL.

Look up $_GET or Predefined Variables in the PHP documentation online.

If that doesn't help, you need to buy the most basic book on web programming you can find (and read it).


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