protected function clearOpCacheTask($worker, AbstractAuth $auth, $remote)
    {
        $clearOpcache = 'vendor/bin/robo digipolis:clear-op-cache ' . $remote['opcache']['env'];
        if (isset($remote['opcache']['host'])) {
            $clearOpcache .= ' --host=' . $remote['opcache']['host'];
        }
        return $this->taskSsh($worker, $auth)
            ->remoteDirectory($remote['rootdir'], true)
            ->exec($clearOpcache);
    }