PhpSandbox\PHPSandbox::normalizeSuperglobal PHP Method

    protected function normalizeSuperglobal($name)
    {
        if (is_array($name)) {
            foreach ($name as &$value) {
                $value = $this->normalizeSuperglobal($value);
            }
            return $name;
        }
        return strtoupper(ltrim($name, '_'));
    }