protected function outputCustomFormat($report)
    {
        $files = $report['files'];
        foreach ($files as $file => $attributes) {
            $errors = $attributes['errors'];
            $warnings = $attributes['warnings'];
            $messages = $attributes['messages'];
            if ($errors > 0) {
                $this->log(
                    $file . ': ' . $errors . ' error' . ($errors > 1 ? 's' : '') . ' detected',
                    Project::MSG_ERR
                );
                $this->outputCustomFormatMessages($messages, 'ERROR');
            } else {
                $this->log($file . ': No syntax errors detected', Project::MSG_VERBOSE);
            }
            if ($warnings > 0) {
                $this->log(
                    $file . ': ' . $warnings . ' warning' . ($warnings > 1 ? 's' : '') . ' detected',
                    Project::MSG_WARN
                );
                $this->outputCustomFormatMessages($messages, 'WARNING');
            }
        }

        $totalErrors = $report['totals']['errors'];
        $totalWarnings = $report['totals']['warnings'];
        $this->log(count($files) . ' files were checked', Project::MSG_INFO);
        if ($totalErrors > 0) {
            $this->log($totalErrors . ' error' . ($totalErrors > 1 ? 's' : '') . ' detected', Project::MSG_ERR);
        } else {
            $this->log('No syntax errors detected', Project::MSG_INFO);
        }
        if ($totalWarnings > 0) {
            $this->log($totalWarnings . ' warning' . ($totalWarnings > 1 ? 's' : '') . ' detected', Project::MSG_INFO);
        }
    }