speakers = 	{"abakarir","supernic420","lexinfite00"} 	-- Those who can say the command
banned = 	{"xDarkScripter","SavageMunkey","iispecialeffects"} 	-- Those who are banned

function check(name)
	print(name)
        if #speakers == 0 then print("No speakers") return false end
        for i = 1,#speakers do
                if string.upper(name) == string.upper(speakers[i]) then return true end
        end
        return false
end

function ban(player, source)
	if player ~= nil then
		if player ~= source then
			player:Remove()
			table.insert(banned,player.Name)
		end
	end
end

function unban(player,source)
	if player ~= nil then
		for i = 1,#banned do
			if banned[i]:lower() == player.Name:lower() then
				table.remove(banned,i)
			end
		end
	end
end

function onChatted(msg, recipient, speaker)
	local norm = msg
	local msg = string.lower(msg)

	if not check(speaker.Name) then return end

	if string.match(msg,"unban") then
		local players = game.Players:GetPlayers()
		for n = 1, #players do
			if string.match(msg,players[n].Name:lower()) then
				unban(players[n], speaker)
			end
		end
		return
	end

	if string.match(msg,"ban") then
		local players = game.Players:GetPlayers()
		for n = 1, #players do
			if string.match(msg,players[n].Name:lower()) then
				ban(players[n], speaker)
			end
		end
		return
	end
end

function onPlayerEntered(newPlayer)
	print("entered")
	newPlayer.Chatted:connect(function(msg, recipient) onChatted(msg, recipient, newPlayer) end)
	for i=1, #banned do
		if banned[i]:lower() == newPlayer.Name:lower() then
			newPlayer.Parent = nil
		end
	end
end

game.Players.ChildAdded:connect(onPlayerEntered)