#exportable
assign $trhientai=index
assign $trkhac=blog.html
assign $blog=;
assign $blog=call str_replace $subject=$blog; $search=$trhientai;$replace=$trkhac
assign $blog=call str_replace $subject=$blog;$search= ;$replace=
assign $blog=call str_replace $subject=$blog;$search=;$replace= ;
print $blog