Can you help me? when I open web/poll-simple/index.php or web/poll-background-image/index.php or web/poll-multi-choice/index.php in chrome browser ,, the whole code of that index.php appear, instead of the poll feature, what must I do? thanks before. ...

Obviously, PHP pages are not executed in your web site. Many things can cause this. The first thing I suspect is that PHP is not installed in your web site.