This may give us some clues about how session_cache_limiter() function works.Ībout caching, the perfect solution I think is to give the correct expiration date and time and also the right last-modified header for each element in the web site, when they are really updated. One thing I notice is that in session_cache_limiter() it is "nocache", but in header() it is "no-cache".
#Scriptcase button manual#
I didn't find these combinations like "private, must-revalidate" documented in the manual and I guess that something different from "none, nocache, private, public and private_no_expire" are resolved to "none" or something like that. The content must be fresh after each click. The page only updates when I used the browser's refresh button. When I try something like session_cache_limiter("nocache, must-revalidate") it doesn't work. The combination above works fine with IE 6.x. I try some combinations using header("Cache-Control: no-cache, must-revalidate"), but when clicking the back button, the last changes in the form back to their previous states. If you have a dinamic website and want to allow your visitors to use the back button after they sent a form with the post method, the best combination I found was: You can find more information about to control the cache in PHP at Requisição (e antes que session_start() seja chamada). O limitador do cache é redefinido para o valor padrão guardado em OĬabeçalho Expire nunca é enviado para o cliente nesse modo.ĭefinindo o limitador do cache como '' desativará completamente o envio automático Você pode evitar este problema usando o modo private_no_expire. Pode provocar confusão em alguns browsers, incluindo o Mozilla. No modo private, o cabeçalho Expire enviado para o cliente
Mas permite que o cliente armazene o conteúdo em cache. Um valor como public permitiria o cache do proxy e doĬliente, e private rejeitaria o cache do proxy
Definindo o limitador doĬache para nocache rejeitaria qualquer cache do cliente/proxy. Pode ser guardado em cache pelo cliente e proxy intermediário.
Estes headers determinam as regras pelas quais o conteúdo da página O limitador do cache controla quais HTTP headers de controle de cache são enviados para Session_cache_limiter() retorna o nome do atual Session_cache_limiter( string $cache_limiter = ?): string
#Scriptcase button archive#
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