-- Wait Time for saying in seconds
Wait_Time = 1
Say_Timer = {}

addhook("second","onSec")
function onSec()
	for i = 1, 32 do
		-- For each player
		if Say_Timer[i] then
			if Say_Timer[i] > 0 then
				-- Rest time to the say timer
				Say_Timer[i] = Say_Timer[i] - 1
			end
		else
			Say_Timer[i] = 0
		end
	end
end

addhook("say","onSay")
function onSay(id,txt)
	if not Say_Timer[i] then Say_Timer[i] = 0 end -- You didn't say anything before
	if Say_Timer[i] == 0 then
		Say_Timer[i] = Wait_Time
		return 0 -- Now you can say, you waited
	end
	return 1 -- Do not say, you didn't wait the seconds
end