I would like to put


onto a page and for the page's categories to be equivalent to if I put

[[Category:Pages with the my-extension tag]]

straight onto the page.

How is that done, please? I tried to add to the function that's ?hooked to ParserFirstCallInit

$localParser = new Parser();
$localParser->parse("\n [[Category::Pages with the my-extension tag]] \n");

but it didn't work.

Edit 28-10-2015: I want to sub-categorise the page according to the parameters provided to the tag, so that if I put

`<my-extension/>Input 1</my-extension>`

on a page, the page's categories are equivalent to putting

[[Category:Pages with the my-extension tag]]
[[Category:Pages using Input 1]]

straight onto the page.

  • 1
    Do I understand this right; you want to be able to view which pages are using a specific extension within the article, as you would by reviewing a category page? – Alex Reid Oct 28 '15 at 20:59
  • @mezzo Yes, and also I want to further categorise the pages according to what parameters they use in the extension. – oks Oct 28 '15 at 22:48

For predefined categories, you can use tracking categories which have the advantage of being translatable and can be disabled by editing the MediaWiki namespace.

In your extension.json:

"TrackingCategories": ["my-extension-category"],

In the function that implements <my-extension>:

$parser->addTrackingCategory( 'my-extension-category' );

In your en.json:

"my-extension-category": "Pages with the my-extension tag",

For dynamic categories, you can just call

$parser->getOutput()->addCategory( 'Pages with the my-extension tag', '*' /* sort key */ );
  • It works great, thank you very much. The tracking and dynamic categories appear at the bottom of the page. (They don't appear in Special:Categories.) – oks Oct 29 '15 at 19:40
  • My mistake, it works perfectly. The tracking and dynamic categories appear at the bottom of the page, and (a little while later) in Special:Categories. – oks Oct 29 '15 at 19:47

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