Setting up firebase v3 custom auth with php

Question

I\'m trying to set up custom auth with the new firebase sdk from google following those guidelines : https://firebase.google.com/docs/auth/server#use_a_jwt_library
In t

Answer 1

instead of

$key = 'giant_key_goes_here';
token = JWT::encode($payload, $key, 'RS256');

use

define("FIREBASE_PRIVATE_KEY","giant_key_goes_here");
token = JWT::encode($payload, FIREBASE_PRIVATE_KEY, 'RS256');