Php code doesn't work

I can insert the shortcode and it works fine, while when editing my template with the php code nothing happens. I also tried to edit the header.php but nothing changed. Everything is just fixed.
Any idea?

with php code in template (problem) => http://www.polilounge.it/
with wp shortcode (fine) => http://www.polilounge.it/?page_id=514

http://wordpress.org/extend/plugins/wp-newsticker/