code: private function renderCacheGet(string $key, int $tll = null, array $tags = []) : bool
      {
          $key = self::class . ':' . $key;
  
          $this->renderCacheData = [
              'key' => $key,
              'cache' => self::cache(self::class)->get($key),
              'ttl' => $tll,
              'tags' => $tags,
  
          ];
  
          return $this->renderCacheData['cache'] === false ? false : true;
      }
docs: @param string $key
  @param int $tll
  @param array $tags
  
  @return bool