how to rewrite url on joomla

[husenbisri]

Hi, I have a problem with my plugin. I develop payment plugin and need to send some parameters to the gateway. the gateway need parameters "resultUrl" and my result url is something like this

http://domain.com/index.php?option=com_ ... =132&lang=

but the gateway cannot accept query string, so I try to encode that link use urlencode() function.

http://domain.com/index.php%3Foption%3D ... %26lang%3D

but that link can't be access.

can you help me how to encode the link to remove (&) query string but still can be accessible without htaccess (my be replace it to slash or something)? because I affraid when joomla installed on nginx server, mod rewrite nginx not configure it.