| Re: Is there a way to distinguish an auto-refresh from a manual page load? [message #177189 is a reply to message #177183] |
Sat, 25 February 2012 17:21   |
Beauregard T. Shagnas
Messages: 154
Registered: September 2010
Karma:
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Senior Member |
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bill wrote:
> The Natural Philosopher wrote:
>> Álvaro G. Vicario wrote:
>>> The Natural Philosopher wrote:
>>>> Cos I want to make a page slightly different depending... ..I cant
>>>> think of any parameter I might pass that would be affected by
>>>> autorefersh or not tho.
>>>>
>>>> Maybe javsacript and a timer would enable one?
>>>
>>> The "auto-refresh" concept implies some previous work on your side.
>>> It'd help a lot to know what's the code you wrote to accomplish it
>>> (JavaScript, <meta> tag or whatever). Whatever, I have the impression
>>> that it'd help even more to know the problem you want to fix rather
>>> than just the solution you figured out.
>>
>> Well I used a meta tag so that the client refreshes in case new info
>> has come in.
>>
>> However in this case the client can also POST new information, and I
>> don't want it POSTING the same information every 5 minutes or whatever.
>>
>>
>> The idea is to construct a not very real time view (5 minute
>> granularity is good enough) on some data, some of which the user can
>> change.
>>
>> I haven't tested it to see if a refresh is actually different from a
>> submit.
>
> UNTESTED:
> On the original submit, attach a parameter with a random number.
> Keep the sequence number in your database. On every invocation
> of the php script, check the number in the database. If it is the same
> as last time, it is a refresh. bill
...unless another visitor views the page in between. This 'database' would
have to also include at least the IP address and the random number, or
perhaps the IP and the date/time and the random number to ever have a
shot at being close.
--
-bts
-This space for rent, but the price is high
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