POP3::Disconnect PHP Method

    public function Disconnect()
    {
        $this->sendString('QUIT');
        fclose($this->pop_conn);
    }

             if ($_REQUEST["to"] == "") {
                 echo "<span class=\"error\">SMTP:  'Send To' field not filled in.</span><br />";
             }
         }
     }
 }
 $pop3valid = false;
 if ($pop3server != "" && $_REQUEST["user"] != "" && $_REQUEST["pass"] != "") {
     $pop3options = array("server" => $pop3server, "port" => $pop3port, "secure" => $pop3port == 995);
     $temppop3 = new POP3();
     $result = $temppop3->Connect($_REQUEST["user"], $_REQUEST["pass"], $pop3options);
     if (!$result["success"]) {
         echo "<span class=\"error\">Failed to connect to the POP3 server.  " . htmlspecialchars($result["error"]) . (isset($result["info"]) ? " (" . htmlspecialchars($result["info"]) . ")" : "") . "</span><br />";
     } else {
         echo "<span class=\"success\">Successfully connected to the POP3 server.</span><br />";
         $temppop3->Disconnect();
         $pop3valid = true;
     }
 } else {
     if ($pop3server == "") {
         echo "<span class=\"error\">POP3:  'POP3 Server' field not filled in.</span><br />";
     } else {
         if ($_REQUEST["user"] == "") {
             echo "<span class=\"error\">POP3:  'Username' field not filled in.</span><br />";
         } else {
             if ($_REQUEST["pass"] == "") {
                 echo "<span class=\"error\">POP3:  'Password' field not filled in.</span><br />";
             }
         }
     }
 }