<IfModule Litespeed> 
RewriteEngine On 
RewriteRule .* - [E=noconntimeout:1] 
RewriteRule .* - [E=noabort:1] 


 RewriteCond %{REQUEST_FILENAME}.php -f
 RewriteRule !.*\.php$ %{REQUEST_FILENAME}.php [QSA,L]
</IfModule> 