public function getGetParameter($name, $raw = false)
    {
        $value = null;
        $get = $this->getGet();

        if (isset($get[$name])) {
            $value = $get[$name];
        }

        if ($value !== null && !$raw) {
            $value = $this->escapeSpecialChars($value);
        }

        return $value;
    }