ch->add($key, $value, $ttl, $this->tableName); } public function del($key) { return $this->ch->del($key, $this->tableName); } public function get($key) { return $this->ch->get($key, $this->tableName); } public function update($key, $value, $ttl = 0) { return $this->ch->update($key, $value, $ttl, $this->tableName); } }