Manual:Hooks/ThumbnailBeforeProduceHTML

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ThumbnailBeforeProduceHTML
Available from version 1.21.0 Called before an image HTML is about to be rendered (by ThumbnailImage:toHtml method).
Define function:	public static function onThumbnailBeforeProduceHTML( ThumbnailImage $thumbnail, array &$attribs, array &$linkAttribs ) { ... }
Attach hook:	In extension.json: { "Hooks": { "ThumbnailBeforeProduceHTML": "MediaWiki\\Extension\\MyExtension\\Hooks::onThumbnailBeforeProduceHTML" } }
Called from:	File(s): Media/ThumbnailImage.php
Interface:	ThumbnailBeforeProduceHTMLHook.php

For more information about attaching hooks, see Manual:Hooks .
For examples of extensions using this hook, see Category:ThumbnailBeforeProduceHTML extensions.

Details

$thumbnail: the ThumbnailImage object
&$attribs: image attribute array
&$linkAttribs: image link attribute array