If it would not work it would not be running on > 800 Servers, mine included.
Where is the problem?
To answer your question, use your code like so.
PHP Code:
CreateTimer(HUD_INTERVALL, Timer_DisplayHud, GetClientSerial(attacker), TIMER_FLAG_NO_MAPCHANGE);
Then in the timercallback retrieve the client of the serial and only display the message to him.
PHP Code:
public Action:Timer_DisplayHud(Handle:timer, any:serial)
Yours sincerely
Impact
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