Example #1
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    }
    static function getHeaderValue($headers, $name)
    {
        if ($headers != NULL && array_key_exists($name, $headers)) {
            if (is_array($headers[$name])) {
                return $headers[$name][0];
            } else {
                return $headers[$name];
            }
        }
        return "";
    }
    static function getExpires($uri)
    {
        $query = parse_url($uri, PHP_URL_QUERY);
        if ($query != NULL and !empty($query)) {
            $params = array();
            parse_str($query, $params);
            if (array_key_exists(Common::EXPIRES, $params)) {
                return intval($params[Common::EXPIRES]);
            }
        }
        return 0;
    }
    static function stringStartsWith($haystack, $needle)
    {
        return $needle == "" || strpos($haystack, $needle) === 0;
    }
}
Signer::$s_sub_resources = SubResource::getAllSubresources();