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- browser back button/caching and php
- Michael G
August 11, 2005, 5:53 pm
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Re: browser back button/caching and php
Well, you can send caching directives, through PHP if you
like, asking for the response to be kept out of caches, yes;
but that's not the same as turning browser caching off.
As to 'Back' buttons, or history lists, here's HTTP/1.1's
position (emphasis theirs):
| By default, an expiration time does not apply to history
| mechanisms. If the entity is still in storage, a history
| mechanism SHOULD display it even if the entity has expired,
| unless the user has specifically configured the agent to
| refresh expired history documents.
And as to what happens with 'Back' buttons in practice, YMMV.
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