AMP_Blacklist_Sanitizer::merge_defaults_with_args PHP Method

    private function merge_defaults_with_args($key, $values)
    {
        // Merge default values with user specified args
        if (!empty($this->args[$key]) && is_array($this->args[$key])) {
            $values = array_merge($values, $this->args[$key]);
        }
        return $values;
    }