public function input($inputVars)
    {
        foreach ($inputVars as $key => $val) {
            if (empty($this->allowed_fields[$key])) {
                echo "Invalid input $key - perhaps misspelled field?\n";
                return false;
            }
            $this->queries[$key] = urlencode($this->filter_field($key, $val));
        }
        $this->queries['clientAPI'] = self::API_VERSION;
    }