Module:Ifexist/sandbox
 | This is the module sandbox page for Module:Ifexist (diff). |
 | This module is rated as ready for general use. It has reached a mature state, is considered relatively stable and bug-free, and may be used wherever appropriate. It can be mentioned on help pages and other Wikipedia resources as an option for new users. To minimise server load and avoid disruptive output, improvements should be developed through sandbox testing rather than repeated trial-and-error editing. |
This module implements {{If-exist}}, visit the template for documentation.
Usage
[edit]{{#invoke:Ifexist|main|[page name]|[then this]|[else this]}}
--[[
Add your expirimental module code here
--]]
local p = {} -- represents p as a code for packages
function p.main(frame) -- package name = main, (frame) = global frame
title = frame.args[1] -- parameter 1
thenthis = frame.args[2] -- parameter 2
elsethis = frame.args[3] -- parameter 3
--[[
If this then return this else return this
--]]
if mw.title.new(title).exists == true then
return thenthis
else
return elsethis
end
--[[
You can use the magic word ({{#ifexist:title|thenthis|elsethis}})
--]]
end
return p