Re: implementing downloads with php?

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On Apr 2, 2015, at 6:23 PM, Aziz Saleh wrote:

On Thu, Apr 2, 2015 at 8:58 PM, Jeffry Killen <jekillen@xxxxxxxxxxx> wrote:


On Apr 2, 2015, at 4:08 PM, Sean Greenslade wrote:

On Thu, Apr 02, 2015 at 02:51:32PM -0700, Jeffry Killen wrote:

Hi;

This is new territory for me a maybe a bit off topic but
I am interested in finding out how to implement a downloading
mechanism with php and without using ftp (if possible).

I am understanding that http has a 'put' command. Is this the clue?

When a file is downloaded from a site, like, for instance, a source
code file from a directory. If the user does not have an ftp client, does the browser negotiate an ftp connection? As an application this could
be used for file transfer via a web site.

Thanks for time and attention
JK


Can you describe what you want in terms of the user's experience?
What kind of files? Why can't you just use normal files in an http
directory?



When you load a webpage, you are downloading a file via http. PHP just gives you the ability to dynamically generate / alter that file before
it gets sent (downloaded). By setting the headers appropriately, the
page can tell the browser to interpret the file as something other than a regular webpage (e.g. an image). There are also headers that tell the
browser to prompt the user to save the page, rather than trying to
display it. Is that what you were getting at?

--Sean



When a web page or a resource like an image or javascript file, or css file "downloads" it is rendered in the browser. It does not appear as a separate file written to the users system. What I am looking for is what might be
described
as the opposite of uploading a file.

Thanks for responses
JK


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When the browser downloads a web page it would normally download all of the assets (js/css/images) into local temp or cache folder as well (unless you
are using privacy mode).

Do you have an example of what you need on a certain website?

Yes, the php.net web site. It has links that say "download" (such and such a file) When you click on a link the browser creates a local file with the contents of the
downloaded file. The opposite of uploading a file....

JK


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