Convert string into secret code!

String-to-secret-code.lua

--Secret Code Parser - change strings into secret codes defined!
--Created by Brandon Blanker Lim-it @flamendless

local str_sample = arg[1] or "Hi, my name is Brandon"
--this is the JEJEMON trend code
local secret_code = {
	a = {"4","ha","ah"},
	i = "1",
	e = "3",
	o = "0",
	s = {"x","sx","xh"}
}

local function string_to_table(str)
	assert(str, "string is required")
	local t = {}
	str:gsub(".", function(char) table.insert(t,char) end)
	return t
end

local function secretify(str)
	local str = str
	local t = string_to_table(str)
	for k,v in pairs(t) do
		if secret_code[v] then
			if type(secret_code[v]) == "table" then
				local r = math.random(1, #secret_code[v])
				t[k] = secret_code[v][r]
			else
				t[k] = secret_code[v]
			end
		else
			t[k] = v
		end
	end
	return table.concat(t)
end

print(secretify(str_sample))