Jetpack_Protect_Module::check_use_math PHP Method

    public function check_use_math()
    {
        $use_math = $this->get_transient('brute_use_math');
        if ($use_math) {
            include_once dirname(__FILE__) . '/protect/math-fallback.php';
            new Jetpack_Protect_Math_Authenticate();
        }
    }