Da li mi netko moze objasniti?

Pozz!

Moze li mi netko objasniti ove dvije komande?
if (strcmp(cmdtext, "/lock", true)==0)
	{
		if(IsPlayerInAnyVehicle(playerid))
		{
			if(GetPlayerState(playerid)!=PLAYER_STATE_DRIVER)
			{
				SendClientMessage(playerid, COLOR_GREEN,"You can only lock the doors as the driver.");
				return 1;
			}
			new i;
			for(i=0;i			{
				if(i != playerid)
				{
					SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 1);
				}
			}
			new Float:X,Float:Y,Float:Z;
			SendClientMessage(playerid, COLOR_GREEN, "Vehicle locked!");
			GetPlayerPos(playerid,X,Y,Z);
			PlayerPlaySound(playerid,1056,X,Y,Z);
		}
		else
		{
			SendClientMessage(playerid, COLOR_GREEN, "You're not in a vehicle!");
		}
	    return 1;
	}

    if (strcmp(cmdtext, "/unlock", true)==0)
	{
		if(IsPlayerInAnyVehicle(playerid))
		{
			if(GetPlayerState(playerid)!=PLAYER_STATE_DRIVER)
			{
				SendClientMessage(playerid, COLOR_GREEN,"You can only unlock the doors as the driver.");
				return 1;
			}
			new i;
			for(i=0;i			{
				SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 0);
			}
			new Float:X,Float:Y,Float:Z;
			SendClientMessage(playerid, COLOR_GREEN, "Vehicle unlocked!");
			GetPlayerPos(playerid,X,Y,Z);
			PlayerPlaySound(playerid,1057,X,Y,Z);
		}
		else
		{
			SendClientMessage(playerid, COLOR_GREEN, "You're not in a vehicle!");
		}
	    return 1;
	}
	}