* Returns FALSE on failure, or *exits* with "304 Not Modified" if the entity is cached.
*
* A log entry will be written to the cache log if the INI entry
* Returns FALSE on failure, or *exits* with "304 Not Modified" if the entity is cached.
*
* A log entry will be written to the cache log if the INI entry
/* {{{ proto bool http_cache_etag([string etag])
*
* Attempts to cache the sent entity by its ETag, either supplied or generated
/* {{{ proto bool http_cache_etag([string etag])
*
* Attempts to cache the sent entity by its ETag, either supplied or generated
*
* If the clients "If-None-Match" header matches the supplied/calculated
* ETag, the body is considered cached on the clients side and
*
* If the clients "If-None-Match" header matches the supplied/calculated
* ETag, the body is considered cached on the clients side and
* Returns FALSE on failure, or *exits* with "304 Not Modified" if the entity is cached.
*
* A log entry is written to the cache log if the INI entry
* Returns FALSE on failure, or *exits* with "304 Not Modified" if the entity is cached.
*
* A log entry is written to the cache log if the INI entry
/* {{{ proto string ob_etaghandler(string data, int mode)
*
* For use with ob_start(). Output buffer handler generating an ETag with
/* {{{ proto string ob_etaghandler(string data, int mode)
*
* For use with ob_start(). Output buffer handler generating an ETag with
* Returns FALSE on failure, or *exits* on success.
*
* A log entry will be written to the redirect log, if the INI entry
* Returns FALSE on failure, or *exits* on success.
*
* A log entry will be written to the redirect log, if the INI entry