/** * Compare eTags * * @param string $serverETag server eTag * @return boolean * @access private */ function _compareEtags($serverETag) { if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) { if (strcmp($this->ajax->_getServer('HTTP_IF_NONE_MATCH'), $serverETag) == 0) { $this->_sendCacheHeaders($serverETag, true); return true; } } $this->_sendCacheHeaders($serverETag, false); return false; }