Module:Sandbox/RexxS/Dates explained

--test functions related to dates-

local p =

local function leapd(y) if y % 1000

0 then return 29 end if y % 100

0 then return 28 end if y% 4

0 then return 29 end return 28end

local months = local days_in_month = days_in_month[0] = 0local month_idx = for i, v in ipairs(months) do month_idx[v] = iend

local function day_try(d, m, y) days_in_month[2] = leapd(y) if d < 1 or d > days_in_month[m] then return "Invalid" end return "Valid"end

function p.dayTry(frame) local date = frame.args.date or mw.text.trim(frame.args[1] or "") if date

"" then date = "No date" end local d, y = date:match("(%d+)%D+(%d+)") local mnth = date:match("%a+") or "" d, y = tonumber(d) or 1, tonumber(y) or 0 local m = month_idx[mnth:sub(1,3):lower] or 0 local out = date .. " = " .. d .. " -- " .. m .. " -- " .. y .. " -- " .. mnth out = out .. " = " .. day_try(d, m, y) return out .. "
"end

return p