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<?php
namespace MediaWiki\Page\Hook;
use Article;
/**
* This is a hook handler interface, see docs/Hooks.md.
* Use the hook name "DisplayOldSubtitle" to register handlers implementing this interface.
*
* @stable to implement
* @ingroup Hooks
*/
interface DisplayOldSubtitleHook {
/**
* This hook is called before creating subtitle when browsing old versions of
* an article.
*
* @since 1.35
*
* @param Article $article Article being viewed
* @param int &$oldid Old ID being viewed
* @return bool|void True or no return value to continue or false to abort
*/
public function onDisplayOldSubtitle( $article, &$oldid );
}
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