View difference between Paste ID: 4fUPVY82 and TW19Yxqw

 if SERVER then
 
 	--Edit here:
 
 	local addicts = 0
 	local weeks = 0
 	local days = 1
 	local hours = 6
 	local min = 0
 
 	local max_tries = 3	--how many times it will retry to get a players time before kicking for timeout
 	local check_interval = 60 --(sec) interval for retrying
 
 	local WhiteList = {"STEAM_0:1:7099"} --add SteamIDs here in "" seperated by ,
 
 	local function isanywayallowed(ply)
 		if ply.EV_GetRank and ply:EV_GetRank() ~= "guest" then print("!guest"); return true end
 		if ply:IsAdmin() then print("admin"); return true end
 		if table.HasValue(WhiteList, ply:SteamID()) then print("wl"); return true end
 		--add your custom exception rules here if you're more familiar with lua
 
 		return false
 	end
 
 	--editing down here is not recommended if you didn't even know what going on above
 
 	local req_h = math.min(addicts*8765.8+weeks*168+days*24+hours+min/60, 8765.8 ) --can only check for 1 year so every greater value would just kick everyone
 
 	print("/-----------------------------------\\")
 	print("|Antinoob minimum required hours: "..req_h)
 	print("\\----------------Uke----------------/")
 
 	util.AddNetworkString("noobcheck_playtime")
 
 	local function check(ply)
 		--if not isanywayallowed(ply) then
 		local nwstr = ""
 		if ply.anoobkey == nil or ply.anoobkey == "" then
 			local r = {{48,57},{65,90},{97,122}} --[%w]
 			for i = 1, 7 do -- you're more likely to win the lottery
 				local n = math.random(1,#r)
 				nwstr = nwstr..string.char(math.random(r[n][1],r[n][2]))
 			end
 		else
 			nwstr = ply.anoobkey
 		end
 		ply.anoobtry = ply.anoobtry + 1 or 1
 		ply.anoobkey = nwstr
 
 		ply:SendLua("net.Start(\"noobcheck_playtime\"); net.WriteString(\""..nwstr.."\"); net.WriteFloat(achievements.GetCount(5)); net.SendToServer()")
 		print("[Antinoob] Checking: "..ply:Name().." (attempt: "..ply.anoobtry.."/"..max_tries..")")
 		timer.Simple(check_interval,function()
 			if ply == nil or not IsValid(ply) then return end
 			if ply.noobcheckpassed ~= true and not isanywayallowed(ply) then
 				if ply.anoobtry < max_tries then
 					check(ply)
 				else
 					local name = ply:Name()
 					ply:Kick("Noobcheck timed out. Try again.")
 					for k, v in pairs(player.GetAll()) do
 						if v ~= ply then
 							v:PrintMessage(3,"Couldn't check for "..name.."'s playtime.")
 						end
 					end
 				end
 			end
 		end)
 		--else
 		--	ply.noobcheckpassed = true
 		--	but wouldnt print the time into the chat
 		--end
 	end
 
 	hook.Add( "PlayerInitialSpawn", "noobcheck_spawnzhook",function(ply)
 		ply.anoobtry = 0
 		check(ply)
 	end)
 
 	local function can(ply)
 		if ply == nil or not IsValid(ply) then return false end
 		if (ply.noobcheckpassed and ply:Alive()) or isanywayallowed(ply) then return true end
 		return false
 	end
 
 	--Block regular guests from spamming while dead:
 	hook.Add("PlayerSpawnEffect","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnNPC","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnObject","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnProp","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnRagdoll","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnSENT","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnSWEP","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 	hook.Add("PlayerSpawnVehicle","noobcheck",function(ply)
 		if not can(ply) then return false end
 	end)
 
 	net.Receive( "noobcheck_playtime" , function(ley, ply)
 		if ply == nil or not IsValid(ply) or ply.noobcheckpassed == true then return end
 		local key = net.ReadString()
 		local ti = math.floor(net.ReadFloat()/0.6)/100
 
 		print(ply:Name().." ("..ply:SteamID()..") played GMod for "..ti.." hours. ("..req_h.."h needed to stay)")
 
 		if (ti < req_h or ply.anoobkey != key) and not isanywayallowed(ply) then
 			--local txt = "You need "..req_h.."h to play here. You've got "..ti.."h."
 			local txt = "You need "..(req_h-ti).." more hours to play here."
 			if ply.anoobkey != key then txt = "" end
 			ply:Kick(txt)
 		else
 			ply.noobcheckpassed = true
 		end
 		--print the time for everyone:
 		for k, v in pairs(player.GetAll()) do
-			if v ~= ply then
+			if v ~= nil and IsValid(v) then
-				v:PrintMessage(3,ply:Name().." played GMod for "..ti.." hours. ("..req_h.."h needed to stay)")
+				if v ~= ply then
-			else
+					v:PrintMessage(3,ply:Name().." played GMod for "..ti.." hours. ("..req_h.."h needed to stay)")
-				v:PrintMessage(3,"You played GMod for "..ti.." hours. ("..req_h.."h needed to stay)")
+
 					v:PrintMessage(3,"You played GMod for "..ti.." hours. ("..req_h.."h needed to stay)")
 				end
 			end
 		end
 		--
 	end)
 end