WPCOM_JSON_API_Endpoint::get_reflection PHP Метод

    function get_reflection($callback)
    {
        if (is_array($callback)) {
            list($class, $method) = $callback;
            return new ReflectionMethod($class, $method);
        }
        if (is_string($callback) && strpos($callback, "::") !== false) {
            list($class, $method) = explode("::", $callback);
            return new ReflectionMethod($class, $method);
        }
        if (version_compare(PHP_VERSION, "5.3.0", ">=") && method_exists($callback, "__invoke")) {
            return new ReflectionMethod($callback, "__invoke");
        }
        if (is_string($callback) && strpos($callback, "::") == false && function_exists($callback)) {
            return new ReflectionFunction($callback);
        }
        return false;
    }