What's the highest possible value for the laravel lifetime config variable in session.php

Question

By default laravel sessions expire after two hours, I know this is for security but I have a web app which has a mobile app(android webview). Users keep complaining that the

Answer 1

Max integer value in PHP is 2147483647 for 32 bit platform and Laravel multiplies lifetime value by 60.

So maximum lifetime value is 35791394 for 32-bit platform. It's 68 years, so it's kind of infinity for the session. )