_settype example

$status=@socket_write($this->_ftp_control_sock, $cmd.CRLF);
        if($status===false) {
            $this->PushError($fnction,'socket write failed', socket_strerror(socket_last_error($this->stream)));
            return FALSE;
        }
        $this->_lastaction=time();
        if(!$this->_readmsg($fnction)) return FALSE;
        return TRUE;
    }

    function _data_prepare($mode=FTP_ASCII) {
        if(!$this->_settype($mode)) return FALSE;
        $this->SendMSG("Creating data socket");
        $this->_ftp_data_sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
        if ($this->_ftp_data_sock < 0) {
            $this->PushError('_data_prepare','socket create failed',socket_strerror(socket_last_error($this->_ftp_data_sock)));
            return FALSE;
        }
        if(!$this->_settimeout($this->_ftp_data_sock)) {
            $this->_data_close();
            return FALSE;
        }
        if($this->_passive) {
            

$status=@fputs($this->_ftp_control_sock, $cmd.CRLF);
        if($status===false) {
            $this->PushError($fnction,'socket write failed');
            return FALSE;
        }
        $this->_lastaction=time();
        if(!$this->_readmsg($fnction)) return FALSE;
        return TRUE;
    }

    function _data_prepare($mode=FTP_ASCII) {
        if(!$this->_settype($mode)) return FALSE;
        if($this->_passive) {
            if(!$this->_exec("PASV", "pasv")) {
                $this->_data_close();
                return FALSE;
            }
            if(!$this->_checkCode()) {
                $this->_data_close();
                return FALSE;
            }
            $ip_port = explode(",", preg_replace("/^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*$/s", "\\1", $this->_message));
            $this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];