correct format of URL rewrite in php

Question

Hello All, i'm asking about htaccess url rewrite ( mod_rewrite )

actually i want to change below URL

http://localhost/project/cms/edit_item.php?id=MYc= ( actually this is base 64 encoded)

to

http://localhost/project/cms/edit_item.php/id/MYc=

i do it like this on .htaccess file

RewriteEngine on
RewriteRule ^([\-_0-9A-Za-z]+)$  edit_item.php?id=$1 [L]

and save this on project folder but URL didn't modified

please suggest me how to do it

Answer 1

RewriteCond %{QUERY_STRING} id=(.+)
RewriteRule (edit_item.php) $1/id/%1?