地址栏中的问号？ [关闭]

Question

Pretend there's a website.
http://example.com/donate
Then you click a link and bam it turns into
http://example.com/donate?id=1 How would I get the ?id=1 in my webpages like that?
What I want to do is have a user click on a link in a page, and have another page show up while on the same exact URL, and I would like it to show like a ?id=1 or something along those lines. How would I go about doing this?

Answer 1

You set that information in the HTML like

<a href="example.com/donate?id=1">Click Me</a>

When that script runs you see what id was set to by quizzing the $_GET array like so

<?php

    if ( isset($_GET['id'] ) {

        // do something with it
    }