protected function synchronizeUser() { $alwaysUpdate = $this->option('force-update'); $this->progressbar = $this->getHelperSet()->get('progress'); $this->progressbar->start($this->output, User::count()); User::chunk(500, function ($users) use($alwaysUpdate) { foreach ($users as $user) { $this->progressbar->advance(); $email = $user->email; MailChimpIntegration::syncMemberToMailChimp($email, $user, false); } }); ${$this}->progressbar->finish(); }