protected function execute(InputInterface $input, OutputInterface $output)
    {
        $output->writeln('Clearing cache of type ' . get_class($this->cache));

        $this->cache->deleteAll();

        if (function_exists('opcache_reset')) {
            $output->writeln('Resetting opcache ' . phpversion('Zend OPcache'));
            opcache_reset();
        }

        return 0;
    }
protected function execute(InputInterface $input, OutputInterface $output)
    {
        $output->writeln('Clearing cache of type ' . get_class($this->cache));

        $this->cache->deleteAll();

        if (function_exists('opcache_reset')) {
            $output->writeln('Resetting opcache ' . phpversion('Zend OPcache'));
            opcache_reset();
        }

        return 0;
    }
@param InputInterface  $input
@param OutputInterface $output

@return mixed