protected function delete(array $keys)
    {
        foreach ($keys as $k) {
            $k = sha1($k);
            $this->memcache->delete($k);
        }

        return true;
    }
protected function delete(array $keys)
    {
        foreach ($keys as $k) {
            $k = sha1($k);
            $this->memcache->delete($k);
        }

        return true;
    }
protected function delete ( array $ keys ) { foreach ( $ keys as $ k ) { $ k = sha1 ( $ k ) ; $ this -> memcache -> delete ( $ k ) ; } return true ; }
Remove values from cache

@param  array $keys list of keys to delete

@return boolean true on success, false on failure
Remove values from cache