var = call str_replace =;=,
assign $trangchu=index
assign $trangkhac=blog.html
assign $blog=
;
assign $blog=call str_replace $subject=$blog; $
search=$trangchu;$replace=$trangkhac
assign $blog=call str_replace $subject=$blog;$
search=
;$replace=
assign $blog=call str_replace $subject=$blog;$
search=