What are the potential pitfalls or challenges of implementing mod_rewrite for parameter passing in PHP?

One potential pitfall of implementing mod_rewrite for parameter passing in PHP is that it can lead to complex and hard-to-maintain rewrite rules. To solve this issue, it is recommended to carefully plan and document the rewrite rules to ensure clarity and ease of maintenance.

RewriteEngine On
RewriteRule ^products/([0-9]+)/?$ product.php?id=$1 [NC,L]