[SickAttack]

pawn Код:

stock TakePlayerMoney(playerid, amount)
{
    return GivePlayerMoney(playerid, -amount);
}

If you don't want it to go below 0:

pawn Код:

stock TakePlayerMoney(playerid, amount)
{
    return (((GetPlayerMoney(playerid) - amount) < 0) ? (ResetPlayerMoney(playerid)) : (GivePlayerMoney(playerid, -amount)));
}