session_cache_limiter
session_cache_limiter
Get and/or set the current cache limiter
**session_cache_limiter** $value
returns the name of the
current cache limiter.
session_cache_limiter
The cache limiter defines which cache control HTTP headers are sent to
the client. These headers determine the rules by which the page content
may be cached by the client and intermediate proxies. Setting the cache
limiter to disallows any client/proxy caching.
A value of permits caching by proxies and the
client, whereas disallows caching by proxies
and permits the client to cache the contents.
nocache``public``private
In mode, the Expire header sent to the client
may cause confusion for some browsers, including .
You can avoid this problem by using mode. The
header is never sent to the client in this mode.
private``private_no_expire``Expire
Setting the cache limiter to will turn off automatic sending
of cache headers entirely.
''
The cache limiter is reset to the default value stored in
at request startup time. Thus, you need to call
for every
request (and before is called).
session.cache_limitersession_cache_limiter``session_start
value
If is specified and not null, the name of the
current cache limiter is changed to the new value.
value
Returns the name of the current cache limiter. On failure to change the value, false is returned.
Voorbeeld: example
<?php
/* set the cache limiter to 'private' */
session_cache_limiter('private');
$cache_limiter = session_cache_limiter();
echo "The cache limiter is now set to $cache_limiter<br />";
?>
session.cache_limiter