<jokes>Time to go bear on “client side” shares and bull on “server side” shares. Quick, grab as much PHP as you can get!</jokes>
All joking aside, I would argue the client side vs server side is a false dichotomy. The web has been doing a hybrid of both for a very long time now. Each have their pros and cons and there hasn’t been anything stopping engineers from using a mix of both, where it makes sense.