clearOpCache example

$this->clearRewriteCache();
                break;
            case self::CACHE_TAG_TEMPLATE:
                $this->clearTemplateCache();
                break;
            case self::CACHE_TAG_THEME:
            case self::CACHE_TAG_HTTP:
                $this->clearHttpCache();
                break;
            case self::CACHE_TAG_PROXY:
                $this->clearProxyCache();
                $this->clearOpCache();
                break;
            default:
                return false;
        }

        return true;
    }

    /** * Format size method * * @deprecated in 5.6, will be private in 5.8 without replacement * * @param float $bytes * * @return string */

        $capabilities = $this->cache->getBackend()->getCapabilities();

        if ($cache === 'all') {
            $this->cache->clean();

            $this->cacheManager->clearHttpCache();
            $this->cacheManager->clearConfigCache();
            $this->cacheManager->clearTemplateCache();
            $this->cacheManager->clearProxyCache();
            $this->cacheManager->clearSearchCache();
            $this->cacheManager->clearOpCache();

            return;
        }

        switch ($cache) {
            case 'http':
                $this->cacheManager->clearHttpCache();
                break;
            case 'config':
                $tags[] = CacheManager::ITEM_TAG_CONFIG;
                $tags[] = CacheManager::ITEM_TAG_PLUGIN;