Cache\Adapter\Common\CacheItem::initialize PHP Метод

    private function initialize()
    {
        if ($this->callable !== null) {
            $f = $this->callable;
            $result = $f();
            $this->hasValue = $result[0];
            $this->value = $result[1];
            $this->tags = isset($result[2]) ? $result[2] : [];
            $this->callable = null;
        }
    }