MarvinLabs\SetupWizard\Steps\EnvFileStep::readSampleEnvFile PHP Метод

    protected function readSampleEnvFile()
    {
        $files = ['.env', '.env.backup', '.env.example'];
        foreach ($files as $f) {
            $f = base_path($f);
            if (file_exists($f)) {
                $sampleContent = file_get_contents($f);
                return $sampleContent;
            }
        }
        return '';
    }