DisplayOldSubtitleHook.php
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DisplayOldSubtitleHook.php
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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 );
	}