php - How to change url to .html -

i have website search results show url like

http://mysite.com/index.php?searchbox=tum%20hi%20ho

how can change url dynamically like

http://mysite.com/tum-hi-ho.html

please help.

use .htaccess file when working on apache server, sure mod_rewrite enabled.

try along these lines:

rewriteengine on  rewriterule ^/(.*).html$ ?searchbox=$1 [l]