Posted by gerg on 03/22/06 01:48

d wrote:
> "gerg" <noemail@noemail.com> wrote in message
> news:wP6dnfYl1bm674LZnZ2dnUVZ_vmdnZ2d@comcast.com...
>
>>Typically in my scripts, I have the script do something, IE upload a file,
>>grab some database info, etc...and then display a confirmation/results
>>page. I'm wondering if I can have a page do just the opposite, Display
>>something , but still work on something else, IE uploading a file,
>>grabbing some database info, etc... What I want to do is have a file
>>upload form, that submits to a page that loads all html and gives a
>>message like, please wait while your file loads. You will be re-directed
>>upon a successful upload, type of message. Then when the file uploads the
>>redirect would happen, etc... Would this mess with the headers? Would
>>this be a good use for the output buffer? Thanks in advance.
>>
>>Greg
>
>
> It's definitely possible. I'm currently working on a project for an
> advertising agency (client extranet), and I used something similar: I wrote
> a page that the user can use to upload large files to the server. The page
> transfers the files in the background, and gets updated during the process
> (speed/percentage complete, etc.). That allows the user to queue up a list
> of files (as many as they want), and the system will keep uploading them
> until they're all transferred safely.
>
> To have stuff working in the background, it's a good idea to use iframes
> and/or ajax to perform the asynchronous request. Think about having a
> hidden iframe that can contain PHP scripts. Your javascript can just switch
> PHP pages in and out of that iframe, and the PHP pages can spit out
> javascript. You can even have forms submitting to it (get or post - doesn't
> matter). Hey presto - two-way communication between browser and PHP without
> refreshing the page.
>
> dave
>
>
interesting. Thanks for the tips guys. I'll look into this.

Greg

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