Are there any potential pitfalls in using SEO components to rewrite URLs in PHP applications?

One potential pitfall in using SEO components to rewrite URLs in PHP applications is the possibility of creating duplicate content issues. To solve this problem, you can implement canonical tags in your HTML to specify the preferred URL for search engines to index.

<?php
// Check if the current URL is the canonical URL
$current_url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$canonical_url = "https://www.example.com/canonical-url";

if ($current_url != $canonical_url) {
    // Redirect to the canonical URL
    header('HTTP/1.1 301 Moved Permanently');
    header('Location: ' . $canonical_url);
    exit();
}
?>