How to set up a transition between pages?

Question

PHP

Good afternoon. I wrote such a simple transition between pages, but I ran into one problem. All the page names for me will be get requests, this means that the question mark after the page name or the ID number will be ignored. I can’t figure out how to fix this, if someone not hard to tell.

$id = "main";
if (isset($_GET["id"])){
    $id = $_GET["id"];
}
if ($id == "") {
    $id = "main";
    
}
include ("pages/$id.php"); 
include ("pages/base.php");

.htaccess

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ index.php?id=$1

Answer 1

Google: "PHP routing"