Posted by Marek Kilimajer on 04/27/05 14:28

Giulio wrote:
> Hi,
> I'm developing an application that uploads file to a server using http.
> the app calls a php on the server sending all the data just like a web
> form post.
>
> It works just fine uploading little files, now i'm concerning about
> having the apllication split large files in little chunks ( about 256 KB
> os so ) and sending them with multiple post. Wanna do that to avoid
> possible problems with php temporary files max size.
>
> No problem on the client side ( is sends the form with some info and the
> firts chunk, waits for server response and then repost a form with
> succesive chunk of file, and so on ), and also on the php side should be
> quite easy to store a file with the first post, and keep on adding to it
> the subsequent chunks of file posted, at least using the filesystem
> functions.
>
> My problem is that I'm using, to make the system as general as possible,
> and make it work even on servers where php doesn't have write
> privileges, ftp functions instead of filesystem functions, and using ftp
> it seems that it's not possible to append to a file. I also thinked to
> use the fopen function with an ftp address, but reading the docs it says
> that fseek function ( to position the pointer at eof to go on appending
> ) may not work if the file is opened using ftp or http.
>
> Suggestion about this issue?

ftp_put() has startpos parameter. I think you need to turn FTP_AUTOSEEK
off, because you have only partial file.

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