$cache_modified_check

$cache_modified_check

If set to true, Smarty will respect the If-Modified-Since header sent from the client. If the cached file timestamp has not changed since the last visit, then a "304 Not Modified" header will be sent instead of the content. This works only on cached content without {insert} tags.

See also $caching, $cache_lifetime, $cache_handler_func, and Caching section.

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