Step 1: Describe your environment

• Operating system: MAC OS
• Browser: CHROME
• Firebase SDK version: 9.23.0

Step 2: Describe the problem: (1) How to send web push to multiple tokens at once in PHP using latest fcm http v1 api.

(2) compat js libs will also depreciated soon?

Steps to reproduce:

Observed Results:

• What happened? This could be a description, logs, etc.

Expected Results:

• What did you expect to happen?

Relevant Code:

// TODO(you): code here to reproduce the problem