RewriteEngine on
RewriteBase /joomla/rokbridge/forum/

# Standard phpBB3 files matching
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} \.php$
RewriteRule (.+)\.php$ index.php?rb_v=$1&%{QUERY_STRING} [L]