Phosphorum\Controllers\RepliesController::deleteAction PHP Method

    public function deleteAction($id)
    {
        $usersId = $this->session->get('identity');
        if (!$usersId) {
            return $this->response->setStatusCode('401', 'Unauthorized');
        }
        $parametersReply = ['id = ?0 AND (users_id = ?1 OR "Y" = ?2)', 'bind' => [$id, $usersId, $this->session->get('identity-moderator')]];
        $postReply = PostsReplies::findFirst($parametersReply);
        if (!$postReply) {
            $this->flashSession->error('Post reply does not exist');
            return $this->response->redirect();
        }
        if (!$this->checkTokenGetJson('post-' . $postReply->post->id)) {
            $this->flashSession->error('This post is outdated. Please try to vote for the reply again.');
            return $this->response->redirect();
        }
        if ($postReply) {
            if ($usersId == $postReply->users_id) {
                $user = $postReply->user;
                if ($user) {
                    $user->decreaseKarma(Karma::DELETE_REPLY_ON_SOMEONE_ELSE_POST);
                    $user->save();
                }
            } else {
                $user = Users::findFirstById($usersId);
                if ($user) {
                    if ($user->moderator == 'Y') {
                        $user->increaseKarma(Karma::MODERATE_DELETE_REPLY);
                        $user->save();
                    }
                }
            }
            if ($postReply->delete()) {
                if ($usersId != $postReply->post->users_id) {
                    $user = $postReply->post->user;
                    if ($user) {
                        $user->decreaseKarma(Karma::SOMEONE_DELETED_HIS_OR_HER_REPLY_ON_MY_POST);
                        $user->save();
                    }
                    $postReply->post->number_replies--;
                    $postReply->post->save();
                }
                $this->flashSession->success('Reply was deleted successfully');
            }
            $href = 'discussion/' . $postReply->post->id . '/' . $postReply->post->slug;
            return $this->response->redirect($href);
        }
        return $this->response->redirect();
    }