How to redirect catalog pages to the root of the catalog itself?

Question

htaccess

How to make a RewriteRule 301 so that
all php pages of a directory, including php pages, are directed to the directory root itself?
It was like this: site.ru/old/service/copy/la_la.php and so site.ru/old/service/
It became like this site/old/

Answer 1

RewriteRule ^old/.+$ /old/ [R=301,L]
Set above the rest of the rules.