Lua test

function cloneCache(_table)
  local clonedCache = {}
  for i=1, #_table do
    clonedCache[i] = _table[i]
  end
  return clonedCache
end

local original = { "one", "two", "three"}

local backup = cloneCache(original)

print("Debug---original backup---")
for i in ipairs(backup) do
  print(backup[i])
end

print("Debug---Modify and print")

for i in ipairs(original) do
  original[i] = "NEW VALUE "..i
  print(original[i])
end

print("Debug---Restore backup---")

--overwrite modified original
for i in ipairs(original) do
  original[i] = backup[i]
end

print("Debug---Print restored original---")
for i in ipairs(original) do
  print(original[i])
end