[Niko_boy]

pawn Код:

new Worlds[MAX_PLAYERS]; // Global Var
//Reset it on Discconect / Connect

public OnPlayerText(playerid, text[])
{
        for(new i = 0; i < MAX_PLAYERS; i++)
        {
            if(!IsPlayerConnected(i)) continue;
            {
                if(GetPlayerVirtualWorld(i) == GetPlayerVirtualWorld(playerid))
                {
                    SendClientMessage(i, 0xFF0000FF, text);
                    return 0;
                }
                return 0;
            }
        }
     return 1;
}

Nothing was hard in it =___=
the above guy mentioned it perfectly though