// The loop

public scoreUpdate(playerid) {
 	new playercash;

    for(new i=0; i<MAX_PLAYERS; i++)
	{
		if (IsPlayerConnected(i))
		{
		    playercash = GetPlayerMoney(i);
		    SetPlayerScore(playerid,playercash);
		}
	}
}

// In OnGameModeInit

SetTimer("scoreUpdate",1100,1);

// OnPlayerSpawn

playercash = GetPlayerMoney(playerid);

if(playercash <= 0) 
{
GivePlayerMoney(playerid,PocketMoney);
}

SetPlayerScore(playerid,playercash);