What potential issues can arise when trying to implement a rewrite rule with .htaccess in PHP?

Potential issues that can arise when trying to implement a rewrite rule with .htaccess in PHP include incorrect syntax in the rewrite rule, conflicts with other rules, or server misconfigurations. To solve these issues, ensure that the rewrite rule syntax is correct, avoid conflicting rules, and check the server configuration for any issues.

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteRule ^example/([0-9]+)$ example.php?id=$1 [L]
</IfModule>