App\Http\Controllers\OAuthController::authorizeForm PHP Method

    public function authorizeForm()
    {
        $user = Auth::user();
        $authParams = Authorizer::getAuthCodeRequestParams();
        $formParams = array_except($authParams, 'client');
        $formParams['client_id'] = $authParams['client']->getId();
        $formParams['scope'] = implode(config('oauth2.scope_delimiter'), array_map(function ($scope) {
            return $scope->getId();
        }, $authParams['scopes']));
        $client_id = $formParams['client_id'];
        $sessions = DB::table('oauth_sessions')->where('client_id', '=', $client_id)->where('owner_id', $user->user_id)->join('oauth_clients', 'oauth_clients.id', '=', 'oauth_sessions.client_id')->groupBy('oauth_sessions.client_id')->get();
        if ($sessions) {
            $formParams['user_id'] = $user->user_id;
            return redirect(Authorizer::issueAuthCode('user', $user->user_id, $formParams));
        } else {
            return view('oauth.authorization-form', ['params' => $formParams, 'client' => $authParams['client']]);
        }
    }