Where does $_GET['page'] come from?

Question

Who passed the page to him in

$_GET['page']? Home page too?

Answer 1

Thanks, got it.

Answer 2

The predefined $_GET variable is used to collect values ​​from the form with method="get". Information sent from a form with the GET method is visible to anyone (will be displayed in the browser's address bar

get is generally passed through the URL address

Answer 3

What?