[[nl]daplayer]

pawn Код:

new pOnlineTime[MAX_PLAYERS];

public OnPlayerConnect(playerid)
{
  pOnlineTime[playerid] = GetTickCount();
  return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
  new time = pOnlineTime[playerid] - GetTickCount();
  // time = the time the player was online in milliseconds.
  // Do saving stuff here.
  return 1;
}

Not compiled or anything, so there could be some typos