ftp_sockets::_data_read

	function _data_read($mode=FTP_ASCII, $fp=NULL) {
		$NewLine=$this->_eol_code[$this->OS_local];
		if(is_resource($fp)) $out=0;
		else $out="";
		if(!$this->_passive) {
			$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
			$this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock);
			if($this->_ftp_temp_sock===FALSE) {
				$this->PushError("_data_read","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
				$this->_data_close();
				return FALSE;
			}
		}

		while(($block=@socket_read($this->_ftp_temp_sock, $this->_ftp_buff_size, PHP_BINARY_READ))!==false) {
			if($block==="") break;
			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;
	}