foreach (getallheaders() as $name => $value)
echo "$name: $value <br />";
/*
run:
Cookie: DBGSESSID=; __atuvc=26%7C25
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; ...
Connection: Keep-Alive
Host: localhost:8080
Accept-Language: he-IL
Accept-Encoding: gzip, deflate
Accept: application/x-ms-application, image/jpeg, application/xaml+xml, ...
*/