September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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session_cache_limiter
string session_cache_limiter(string new_cache_limiter)
Returns or sets HTTP cache headers.
Returns:
Current cache limiter
Description:
When a client accesses a page, an optional cache-control header can be sent in the response from the server, indicating how the page should be cached. Three settings are available; for more details on these settings, consult RFC 2616, “HTTP/1.1.” The following descriptions are taken from RFC 2616.
| Setting | Description |
|---|---|
| nocache | The server must not use a cached copy when delivering the page to the client. This allows an origin server to prevent caching even by caches that have been configured to return stale responses to client requests. |
| public | The response can be cached by any cache, even ... |
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