Re: [Phpwebsite-developers] Redirect after Post

[Matthew M. <ma...@tu...>]

We can work on getting more post completions to have redirects at the
end. The problem is that after a post you may want to post a message. If
you want that message to be seen you either have to use a meta redirect
or you would have to pass the message itself or a trigger to the next
page.

So it depends on what action is being taken.

Matt

On Thu, 2005-09-22 at 18:33 +0200, Michael H=C3=B8j Rasmussen wrote:
> Hi all.
>=20
> "The page you are trying to view contains POSTDATA that has expired fro=
m
> cache. If you resend the data, any action the form carried out (such as=
 a
> search or online purchase) will be repeated. To resend the data, click =
OK.
> Otherwise, click Cancel." - Firefox
>=20
> Are you still reading this? Please forgive the annoying beginning. How =
many
> times have you seen the POSTDATA statement while using a web applicatio=
n? (I
> guess the text varies depending on the browser you are using, but the
> meaning should be the same).
>=20
> It occurs when you hit the browser back button, trying to get back to t=
he
> previous page, but only if that specific page is the result from a POST
> action.
>=20
> Let me give you an example from phpWebSite, just in case I have lost yo=
u:
>=20
> 1. Create an announcement
>=20
> After saving the announcement, you will return to the announcement list.
>=20
> 2. Click on a link. Any link will do. Pick for instance the link showin=
g the
> announcement you just have created.
>=20
> Now try to go one step back, using the back button in your browser. You=
 will
> now get the POSTDATA statement from the browser, asking you what to do.
>=20
> There is a solution to this problem, and the keyword is redirect. It is
> described in details in this article:
> http://www.theserverside.com/articles/article.tss?l=3DRedirectAfterPost
>=20
> The summary of the article from theserverside is:
>=20
> - Never show pages in response to POST
> - Always load pages using GET
> - Navigate from POST to GET using REDIRECT
>=20
> I am not sure, if php supports the redirect function, but I know that I
> would like to get rid of the annoying possibility of posting data twice.
>=20
> Hopefully implementing the redirect strategy (if possible) is not too l=
ate
> to be considered as a part of the upcoming release of Fallout.=20
>=20
>=20
> Michael H. Rasmussen
> TechElephant
>=20
>=20
>=20
>=20
>=20
>=20
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Matthew McNaney
Electronic Student Services
Appalachian State University
http://phpwebsite.appstate.edu