ftp_pure::_data_read

	function _data_read($mode=FTP_ASCII, $fp=NULL) {
		if(is_resource($fp)) $out=0;
		else $out="";
		if(!$this->_passive) {
			$this->SendMSG("Only passive connections available!");
			return FALSE;
		}
		while (!feof($this->_ftp_data_sock)) {
			$block=fread($this->_ftp_data_sock, $this->_ftp_buff_size);
			if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
			if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
			else $out.=$block;
		}
		return $out;
	}