*
* @param string $feed Feed's content
* @param string $timekey Memcached key of the last modification
* @param string $key Memcached key of the content
*/
public function saveToCache( $feed, $timekey, $key ) {
*
* @param string $feed Feed's content
* @param string $timekey Memcached key of the last modification
* @param string $key Memcached key of the content
*/
public function saveToCache( $feed, $timekey, $key ) {