[ZaZa]

That must work, otherwise you're doing it wrong.

Just look

Код:

SetPlayerHealth(playerid, 0,0);

In that code you give 3 parameters, which are:
playerid
0
0
But SetPlayerHealth requires 2 parameters, which are:
playerid
health amount

So you must do

Код:

SetPlayerHealth(playerid, 0.0);

So it would be zero point zero (player will die), not zero comma zero.