[Roko_foko]

pawn Код:

MoneyTimer[MAX_PLAYERS];
OnPlayerConnect(playerid)
{
    MoneyTimer[playerid]=SetTimerEx("GiveMoneyPl0x",15*3600,true,"d",playerid);
    //...
}
forward public GiveMoneyPl0x(playerid);
public GiveMoneyPl0x(playerid)
{
    GivePlayerMoney(playerid,5000);
}
public OnPlayerDissconect(playerid,reason)
{
    KillTimer(MoneyTimer[playerid]);
    //...
}

Not that hard . Hope I helped