ftp_async_put Stores a file on the FTP server asynchronously boolftp_async_put resourceftp_stream stringremote_file stringlocal_file intmode intstartpos ftp_async_put stores local_file on the FTP server, as remote_file. The transfer mode specified must be either FTP_ASCII or FTP_BINARY. The difference between this function and the ftp_put is that this function uploads the file asynchronously, so your program can perform other operations while the file is being downloaded. Returns &true; on success or &false; on error. See also ftp_async_fput, ftp_async_continue, ftp_put and ftp_fput.