/**
* Determines if $value is in the contents of $name request header.
*
* @param string $name Header name, lowercase, without 'HTTP_'.
* @param string $value Value to search for.
* @param bool $match_case Whether to search case-sensitive, default false.
* @return boolean True if found, otherwise false.
*/
function http_in_request_header($name, $value, $match_case = false)
{
return \HttpUtil\HTTP::instance()->inRequestHeader($name, $value, $match_case);
}
/**
* Determines best language from the 'Accept-Language' request header
* given an array of accepted languages.
*
* Tries to find a direct match (e.g. 'en-US' to 'en-US') but if none is
* found, finds the best match determined by prefix (e.g. "en").
*
* @param array $accept Indexed array of accepted languages.
* @param array &$result If given an array, will be populated with negotiation results.
* @return string Best-match language, or first language given if no match.
*/
function http_negotiate_language(array $accept, &$result = null)
{
return HTTP::instance()->negotiateLanguage($accept, $result);
}