Untitled

<?$host = "127.0.0.1";$port = "2947";$socket = socket_create(AF_INET, SOCK_STREAM, tcp);//socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, array("sec" => 1, "usec" => 0));socket_connect($socket, $host, $port);switch(socket_select($r = array($sock), $w = array($sock), $f = array($sock), 5)){       case 2:               echo "[-] Connection Refused\n";               break;       case 1:               echo "[+] Connected\n";               break;       case 0:               echo "[-] Timeout\n";               break;}socket_write($socket, "W\n");if(!socket_last_error($socket)){   if($buffer=socket_read($socket,512,PHP_NORMAL_READ)){     echo $buffer;   }}?>