How to store or retreive a global variable client side

[Apple]

Someone asked the same thing and there's no meaningful reply:

Dynamically Page Tittle Php

How can I dynamically set the page title and description on a PHP page? When I try to add them, I encounter the following issue: [Captura de Pantalla 2024-10-05 a la(s) 11.49.58] [Captura de Pantalla 2024-10-05 a la(s) 11.49.53]

@elphin

Right now I use the old php way

For PHP that's your best way in my opinion. For NodeJS Wappler has the official feature server-side binding