LaraBug/larabug-app

{
  //
  "require": {
    "php": "^8.0",
    //
    "google/recaptcha": "~1.1"
  },
  //
}

use ReCaptcha\ReCaptcha;
use Illuminate\Http\Request;

trait Captcha
{
    public function captchaCheck(Request $request)
    {
        $response = $request->input('g-recaptcha-response');
        $remoteip = $request->ip();
        $secret = env('RE_CAP_SECRET');

        $recaptcha = new ReCaptcha($secret);
        $resp = $recaptcha->verify($response, $remoteip);

        if ($resp->isSuccess()) {
            return true;
        } else {
            return false;
        }
    }
}

class RegisterController extends Controller
{
    //
    public function register(Request $request)
    {
        $this->validator($request->all())->validate();

        if ($this->captchaCheck($request) == false) {
            return redirect()->back()
                ->withErrors(['captcha' => 'You did not validate the captcha correctly.'])
                ->withInput();
        }
        //
    }
    //
}