Drupal 8.x

Hello, I'm looking for a solution for updating images with a timestamp (image_20200310161333881_TIMING.jpg) pulled from the server.

DESCRIPTION:
I have build a website on Drupal 8.8.1 with a live camera that takes a photo every hour and uploads it via FTP on the server that Drupal is hosted. I created a module that gets the latest image and shows it on a page mydomain.com/webcam. (not very familiar with php)
The code I used to do that is the following:

<?php

namespace Drupal\media_cam_stream\Controller;

roadmap for 2fa basic modules migration to drupal 8 requested.

I apologize if this is an incorrect approach. I have been using Drupal here and there for a number of years, pretty new to the forum...

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Right now, the code is:

I'm running four drupal 8.8.x sites on Bluehost and for the most part they run okay.  They're not big by web standards.  My main problem now, and I've add four separate tech chats with them about this, is enabling opcache.  They insist that it is installed by default.  It is, up to php 5.6 but the module cannot be found in in any php 7.x. configurations.  Other than switching to another provider, I guess I'm stuck with this.