getInnerCache example

    public function getOption($name)
    {
        $name = strtolower($name);

        if ($name == 'tag_cache') {
            return $this->getInnerCache();
        }

        return parent::getOption($name);
    }

    /** * Test if a cache is available for the given id and (if yes) return it (false else) * * Note : return value is always "string" (unserialization is done by the core not by the backend) * * @param string $id Cache id * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested * @return string|false cached datas */