$folghe="Mozilla/5.0 (Windows; U; Windows NT 6.1; it; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3"; $dio="Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7 (.NET CLR 3.5.30729)"; if ( $_ENV['HTTP_USER_AGENT'] == $folghe ) { echo '