lithium\net\http\Media::_types PHP Méthode

    protected static function _types($type = null)
    {
        $types = static::$_types + array('html' => array('text/html', 'application/xhtml+xml', '*/*'), 'htm' => array('alias' => 'html'), 'form' => array('application/x-www-form-urlencoded', 'multipart/form-data'), 'json' => array('application/json'), 'rss' => array('application/rss+xml'), 'atom' => array('application/atom+xml'), 'css' => array('text/css'), 'js' => array('application/javascript', 'text/javascript'), 'text' => array('text/plain'), 'txt' => array('alias' => 'text'), 'xml' => array('application/xml', 'application/soap+xml', 'text/xml'));
        if (!$type) {
            return $types;
        }
        if (strpos($type, '/') === false) {
            return isset($types[$type]) ? $types[$type] : null;
        }
        if (strpos($type, ';')) {
            list($type) = explode(';', $type, 2);
        }
        $result = array();
        foreach ($types as $name => $cTypes) {
            if ($type === $cTypes || is_array($cTypes) && in_array($type, $cTypes)) {
                $result[] = $name;
            }
        }
        if (count($result) === 1) {
            return reset($result);
        }
        return $result ?: null;
    }