<?php

namespace MediaWiki\Hook;

use Article;
use MediaWiki\Actions\ActionEntryPoint;
use MediaWiki\Output\OutputPage;
use MediaWiki\Request\WebRequest;
use MediaWiki\Title\Title;
use MediaWiki\User\User;

/**
 * This is a hook handler interface, see docs/Hooks.md.
 * Use the hook name "MediaWikiPerformAction" to register handlers implementing this interface.
 *
 * @stable to implement
 * @ingroup Hooks
 */
interface MediaWikiPerformActionHook {
	/**
	 * Use this hook to override ActionEntryPoint::performAction(). Use this to do
	 * something completely different, after the basic globals have been set up, but
	 * before ordinary actions take place.
	 *
	 * @since 1.35
	 *
	 * @param OutputPage $output Context output
	 * @param Article $article Article on which the action will be performed
	 * @param Title $title Title on which the action will be performed
	 * @param User $user Context user
	 * @param WebRequest $request Context request
	 * @param ActionEntryPoint $mediaWiki (Changed from MediaWiki in 1.42)
	 * @return bool|void True or no return value to continue or false to abort
	 */
	public function onMediaWikiPerformAction( $output, $article, $title, $user,
		$request, $mediaWiki
	);
}