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how to cache?


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I'm not sure if this is the appropriate forum to post about this although I chose HTML because of input of a form


I want to cache what I have written in the event of a username session timeout, which is what I'm facing now, I'm writing a lot of stuff, when I finally push "submit" my session username is gone and the data disappears even when I hit back.


I've seen this cache on a few forums and even yahoo answers


I need this function


How do I achieve it or what do I look at?

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  • 4 weeks later...

trying adding these headers to the top of the page:

header("Cache-Control: private, max-age=10800, pre-check=10800");
header("Pragma: private");header("Expires: " . date(DATE_RFC822,strtotime("+2 day")));

if the form submits and post data to a second page, you may want to put it at the top of both pages. also, make sure the code is after any session_start(); if you are using sessions.

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  • 1 month later...
  • 2 months later...

Caching is an incredible sample of the universal time-space tradeoff in programming. You can spare time by utilizing space to store results.

Program: Yo! You got index.html?

Server: (Looking it up… )

Disjoin: Totally, fella! It's right here!

Program: That's rad, I'm downloading it now and demonstrating the client.

(The real HTTP convention may have minor contrasts; see Live HTTP Headers for more points of interest

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