core/Youto.php
public function captcha()
    {
        Session::start();
        $builder = new CaptchaBuilder();
        $builder->setBackgroundColor(255,255,255);
        $builder->build();
        Session::set('yt_captcha', $builder->getPhrase());
        $builder->save('out.jpg');
    }
public function captcha()
    {
        Session::start();
        $builder = new CaptchaBuilder();
        $builder->setBackgroundColor(255,255,255);
        $builder->build();
        Session::set('yt_captcha', $builder->getPhrase());
        $builder->save('out.jpg');
    }
Капча