extractLocalizedMessage example

$results = [];
        foreach ($requirement['value']['directories'] as $dir) {
            $result = $this->scanDirectoryForRegex(
                Shopware()->DocPath($dir),
                $requirement['value']['expression'],
                $requirement['value']['fileRegex']
            );

            $results = array_merge($results, $result);
        }

        $message = $this->extractLocalizedMessage($requirement['value']['message']);

        if (empty($results)) {
            return null;
        }
        $files = array_keys($results);

        return [
            'type' => self::CHECK_TYPE,
            'errorLevel' => $requirement['level'],
            'message' => sprintf($message, implode('<br>', $files)),
        ];
    }