"Andrew Ballard" <aball...@gmail.com> wrote in message 
On Tue, Apr 14, 2009 at 10:30 PM, Jason Pruim <ja...@jasonpruim.com> wrote:
> On Apr 14, 2009, at 10:11 PM, "Don" <d...@program-it.ca> wrote:
>> Hi,
>> I have some code in my index.php file that check the user agent and
>> redirects to a warning page if IE 6 or less is encountered.
>> 1. I'm using a framework and so calls to all pages go through index.php
>> 2. The code that checks for IE 6 or less and redirects is in index.php
>> I know how to redirect the users but what I want to do is redirect a user
>> ONLY the first time the web site is accessed regardless of what page they
>> first access. I would like to minimize overhead (no database). Can this
>> be
>> done?
>> Thanks,
>> Don
>> --
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> Probably the best way I could think of would be to set a cookie on their
> computer that you check for when they come and redirect based on that
> cookie.
> It's not completely fail proof because all they have to do is clear 
> cookies
> and they will see it again but it should work for most people.

> Well, there is that ... and if the browser does not accept your
> cookie, it will be trapped in an infinte redirection cycle.

> Andrew

Yes and from php.net,

"Cookies will not become visible until the next loading of a page that the 
cookie should be visible for."

So there's no PHP solution for my problem?  I think I need to use unreliable 

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