What is the purpose of the "Weiterleitung.php" script in the context of external links on a website?

The purpose of the "Weiterleitung.php" script in the context of external links on a website is to redirect users to the external link while also tracking the click for analytics purposes. This script can help prevent direct linking to external sites and can also provide a way to track user behavior.

<?php
// Get the external link from the query string
$external_link = $_GET['url'];

// Log the click in the database or analytics tool

// Redirect the user to the external link
header('Location: ' . $external_link);
exit;
?>