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The script at Module:LuaCall has been written to accept any set of named parameters somename=value, for each one storing the string value in the variable with the name somename, and then allowing you to use these variables as parameters for any function available in Lua.
The input Lua can receive includes any transcludeable text page on Wikipedia. This does not include graphics files (not even .SVG files, although they are actually text, unless you cut and paste it onto a Wiki text page), the list of pages listed in a category , nor the contents of non-transcludeable special pages .
string.gmatch is the "gmatch" entry in the table named by the global variable string. Arguments that you receive from MediaWiki are tables. But they're a bit special. Arrays are tables that follow a specific convention. The numerical fields in the array start at one, and run contiguously with no "holes" with nil values in the middle of the array.
Help:Lua for beginners; Help:Lua debugging – about debugging Lua modules; Wikipedia:Lua style guide – standards to improve the readability of code through consistency; Module:Sandbox provides a pseudo-namespace for experimenting with Lua modules
Table lookups are slower, at runtime, than local variable lookups. Table lookups in tables such as the args table with its "specialness" are a lot slower. A function in Lua can have up to 250 local variables. [4] So make liberal use of them: If you call math.floor many times, copy it into a local variable and use that instead: [4]
This Lua module is used in system messages, and on approximately 33,800,000 pages, or roughly 54% of all pages. Changes to it can cause immediate changes to the Wikipedia user interface. To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox .
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1328 ahead. Let's start with a few hints.
Lua syntax for control structures was mostly borrowed from Modula (if, while, repeat/until), but also had taken influence from CLU (multiple assignments and multiple returns from function calls, as a simpler alternative to reference parameters or explicit pointers), C++ ("neat idea of allowing a local variable to be declared only where we need ...