Upgrade php site using (Cloudflare Images) -- 2

Change the upload and view functions of images and videos to work with Cloudflare Image & Stream technology.
The site is built using (php, ajax, js, jQuery).

The conditions:
Have experience with (php, js Cloudflare Images & stream).
You have previously worked with Cloudflare images & stream.
Be careful while carrying out the work and avoid any errors or problems that existing users may encounter on the site.
Complete all the work 100%.

To see Cloudflare images & stream technology:
https://developers.cloudflare.com/images/
https://developers.cloudflare.com/stream/