What are the potential drawbacks of using frames to manipulate the display of URLs in PHP web development?

Using frames to manipulate the display of URLs in PHP web development can lead to issues with search engine optimization and user experience. It can also make it difficult for users to bookmark specific pages or share links. Instead, consider using URL rewriting techniques or routing to create clean and user-friendly URLs.

// Example of using URL rewriting in PHP
// .htaccess file configuration for Apache server

// Enable URL rewriting
RewriteEngine On

// Rewrite rule to redirect all requests to index.php
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?url=$1 [QSA,L]