Players In room

 just a script lol

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using Photon.Pun;

using Photon.Realtime;

using TMPro;

public class Roomdata : MonoBehaviourPunCallbacks

{

    public override void OnJoinedRoom()

    {

        this.GetComponent<TextMeshProUGUI>().text = PhotonNetwork.CurrentRoom.PlayerCount.ToString();

    }

    public override void OnLeftRoom()

    {

        this.GetComponent<TextMeshProUGUI>().text = "not in a room!";

    }

    public override void OnPlayerLeftRoom(Player otherPlayer)

    {

        this.GetComponent<TextMeshProUGUI>().text = PhotonNetwork.CurrentRoom.PlayerCount.ToString();

    }

    public override void OnPlayerEnteredRoom(Player newPlayer)

    {

        this.GetComponent<TextMeshProUGUI>().text = PhotonNetwork.CurrentRoom.PlayerCount.ToString();

    }

}