App\Http\Controllers\Laralum\InstallerController::installConfig PHP Method

    public function installConfig($locale, Request $request)
    {
        if (!Laralum::checkInstalled()) {
            // Install Laralum
            $this->validate($request, ['USER_NAME' => 'required', 'USER_PASSWORD' => 'required|min:6|confirmed', 'USER_EMAIL' => 'required', 'USER_COUNTRY_CODE' => 'required', 'USER_LOCALE' => 'required', 'ADMINISTRATOR_ROLE_NAME' => 'required', 'DEFAULT_ROLE_NAME' => 'required', 'DB_HOST' => 'required', 'DB_PORT' => 'required', 'DB_DATABASE' => 'required', 'DB_USERNAME' => 'required']);
            $file_location = base_path() . '/.env';
            $env = fopen($file_location, "w") or die("Unable to open file!");
            foreach ($request->all() as $key => $data) {
                if ($key != '_token' and $key != 'USER_PASSWORD_confirmation') {
                    fwrite($env, $key . "='" . $data . "'\n");
                }
            }
            $default = "\nREDIS_HOST=127.0.0.1\nREDIS_PASSWORD=null\nREDIS_PORT=6379\n\nPUSHER_KEY=\nPUSHER_SECRET=\nPUSHER_APP_ID=\n\nBROADCAST_DRIVER=log\nCACHE_DRIVER=file\nSESSION_DRIVER=file\nQUEUE_DRIVER=sync\n\nAPP_ENV=local\nAPP_KEY=" . env('APP_KEY') . "\nAPP_DEBUG=true\nAPP_LOG_LEVEL=debug\nAPP_URL=" . url('/') . "\n";
            fwrite($env, $default);
            fclose($env);
            return redirect()->route('Laralum::install_confirm', ['locale' => $locale]);
        } else {
            return redirect()->route('Laralum::dashboard')->with('warning', trans('laralum.already_installed'));
        }
    }