public static function xhtml_or_html()
{
$content_match = array('type' => array('text/html', 'application/xhtml+xml'), 'app_preference' => array(1, 0.9));
$content_match = content_negotiation::mime_all_negotiation($content_match);
if ($content_match['q_value'][0] == 0 && $content_match['q_value'][1] == 0) {
return 'text/html';
} else {
return $content_match['type'][0];
}
}
public static function language_all_negotiation(array $app_types = array())
{
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
return content_negotiation::generic_negotiation($_SERVER['HTTP_ACCEPT_LANGUAGE'], 'all', $app_types);
} else {
return false;
}
}
