How about writting the IP address to the database with a timestamp,
then when a matching IP address arrives you view the timestamp and if it has
been more then a hour, they can view the page, which would force you to
update the timestamp.  Of course you would probably need to write a
stand-alone (i.e. non-web) php script that would act as a cron job to clean
out the database periodically, whatever period you define (depending on
traffic and size of DB).

wade wrote:

> I am storing IP addresses in a database, but after an hour has passed I
> want to delete all the IP addresses from that database. I want to do
> this based on the server time. Example.. Someone comes to my web page, I
> store their IP address in my database. So now I write a PHP script that
> says if that IP returns to my page within an hour, they can't view my
> page. If they come back after an hour has passed they can view the
> contents of that page. but only after an hour has passed.
> Can anyone help me with the syntax or functions that will clear the
> database after an hour of waiting has passed?
> Is this possible? Any suggestions, logic or any help on this matter will
> be greatly appreciated.
> Thank you
> --
> Should you have any questions, comments or concerns, feel free to call
> me at 318-338-2033.
> Thank you for your time,
> Wade Kelley, Design Engineer
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