private function getEnv($id = null)
    {
        $string = file_get_contents($this->env);
        $string = preg_split('/\n+/', $string);
        $array = [];
        foreach ($string as $k => $one) {
            if (preg_match('/^(#\s)/', $one) === 1 || preg_match('/^([\\n\\r]+)/', $one)) {
                continue;
            }
            $entry = explode("=", $one, 2);
            if (!empty($entry[0])) {
                $array[] = ['id' => $k + 1, 'key' => $entry[0], 'value' => isset($entry[1]) ? $entry[1] : null];
            }
        }
        if (empty($id)) {
            return $array;
        }
        $index = array_search($id, array_column($array, 'id'));

        return $array[$index];
    }