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Manual:フック

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This page is a translated version of the page Manual:Hooks and the translation is 11% complete.
MediaWiki の JS ライブラリ内のフックについては、mw.hook を参照してください。
MediaWiki extensions

フックは特定のイベント(ページ保存や利用者ログインなど)が発生したとき、カスタム コードの実行を認めます。 たとえば下記のコード スニペットにより、フックの PageContentSaveComplete が走る場面で必ず関数 MyExtensionHooks::onPageContentSaveComplete を呼び出し、PageContentSaveComplete に特有の関数引数を渡します。

フックは、拡張機能の extension.json ファイル内で、フックの名前からコールバックにマッピングすることで登録できます:

"Hooks": {
    "PageContentSaveComplete": "MyExtensionHooks::onPageContentSaveComplete",
    "MyCustomHook": "MyExtensionHooks::myCustomHook"
}

MediaWikiはこのようなフックを用意し、MediaWiki ソフトウェアの機能を拡張しています。 特定の関数(ユーザー処理つまりフック ハンドラー)をフックに定義すると、メインのMediaWikiコードにおいて適切なタイミングでその関数を呼び出し、その時点で開発者が有効と判断した追加のタスクをいくつでも実行します。 フックに定義できるハンドラーは複数で、定義順に呼び出した定義が行った変更を、一連の後続の関数に渡していきます。

フックに機能を割り当てるには LocalSettings.php 末尾またはファイル スコープの拡張機能 ($wgExtensionFunctions 関数や ParserFirstCallInit フックではなく) で割り当てます。 拡張機能の場合、LocalSettings.php の設定がフックの機能の挙動に条件を付けるなら、フックに機能を割り当て、条件が適合しないときは早めに関数を停止する必要があります。

ご利用の拡張機能で新しくフックを作成することもできます。 これは、拡張機能で使用する組み込みの MediaWiki フックを登録するのと同じ方法で、extension.json で登録されます。 その後、拡張機能内で HookContainer::run( 'HookName', [ $param1, $param2 ] ); を呼び出すことでフックを実行できます。 最後に、Category:Extension hooks に追加するのも忘れないでください。

背景

フックは、HookContainer::run への呼び出しによって、通常は HookRunner のメソッドを介して起動されます。 HookContainer は実行すべきフック ハンドラーを見つけ、HookContainer::run に与えられたパラメーターでそれらのハンドラーを呼び出します。 フック ハンドラーは extension.json 経由で登録されます。

Hooks.md も参照してください。

この使用事例は WikiPage.phpdoPurge 関数で、HookRunner::onArticlePurge は doPurge に呼び出されると ArticlePurge フックを実行、引数として $this を当てます:

$this->getHookRunner()->onArticlePurge( $this )

多数のフックを呼び出すのは コア ですが、拡張機能 からもフックを呼び出せます。

フック ハンドラーを書く

フック ハンドラーとは、登録した関数のうち、当該フックが実行されるたびに呼び出されるものを指します。

拡張機能の場合は、フック ハンドラーを extension.json 内で登録します:

{
	"Hooks": {
		"EventName": [
			"MyExtensionHooks::onEventName",
			"someFunction"
		]
	}
}

フック ハンドラーは、グローバルな $wgHooks 配列で登録することもできます。 これは、LocalSettings.php でのサイト固有のカスタマイズや、extension.json より前のレガシーな拡張機能で最もよく使われます。 以下はすべて、2 つのパラメーターを渡して、EventName フックのフック ハンドラーを定義する有効な方法です:

書式 構文 結果として呼び出す関数
static 関数 $wgHooks['EventName'][] = 'MyExtensionHooks::onEventName'; MyExtensionHooks::onEventName( $param1, $param2 );
関数 データ無 $wgHooks['EventName'][] = 'efSomeFunction'; efSomeFunction( $param1, $param2 );
関数、データ有 $wgHooks['EventName'][] = [ 'efSomeFunction', $someData ]; efSomeFunction( $someData, $param1, $param2 );
インラインの無名関数
$wgHooks['EventName'][] = function ( $param1, $param2 ) {
// ...function body
};
オブジェクトのみ $wgHooks['EventName'][] = $object; $object->onEventName( $param1, $param2 );
オブジェクト、メソッド有 $wgHooks['EventName'][] = [ $object, 'someMethod' ]; $object->someMethod( $param1, $param2 );
オブジェクト、メソッドとデータ有 $wgHooks['EventName'][] = [ $object, 'someMethod', $someData ]; $object->someMethod( $someData, $param1, $param2 );

Note that when an object is assigned, and you don't specify a method, the method called is "onEventName". For example "onArticleSave", "onUserLogin", etc.

The optional data is useful if you want to use the same function or object for different purposes. For example:

$wgHooks['PageContentSaveComplete'][] = [ 'efIrcNotify', 'TimStarling' ];
$wgHooks['PageContentSaveComplete'][] = [ 'efIrcNotify', 'brion' ];

This code would result in efIrcNotify() being run twice when a page is saved: once for 'TimStarling', and once for 'brion'.

Hook handler return values

Hooks fall into one of two categories, distinguished by the supported return values:

MediaWiki バージョン:
1.23

Void hooks

A void hook does not return anything. Void hook should be the most common kind in new code (T245364).

  • Documentation: @return void
  • Usage: $hookRunner->onExample();

The interface for void hooks must include a native return type hint like : void, so that extensions that choose to implement the interface (as opposed to handling it without interface validation), benefit from static analysis and thus avoid accidentally returning something. This prevents severe bugs that are hard to catch otherwise (T173615). These hooks ignore the return value and so in isolation, a return value is simply unused, harmless, with no visible effect. In production, it would cancel listeners from other extensions for the same hook. Effectively undeploying only part of an extension this way can have major consequences.

Abortable hooks

Abortable hooks may return boolean false. When a non-void return value is given to an abortable hook, it skips any and all other listeners for the same hook (i.e. in other extensions), and returns false to the hook caller. This is similar to Event.stopImmediatePropagation() and Event.preventDefault() in JavaScript.

If as the author of a feature, you want to allow an extension to disallow or cancel the user action, you can provide an abortable hook for this.

  • Documentation: @return bool|void
  • Usage: if ( $hookRunner->onExample() ) { … }

It is important that abortable hooks allow a void return. The majority of hook consumers do not make use of the abortable feature, and thus should be able to type their implementation to @return void and safely avoid the need to return something, and with it benefit from having no room for mistakingly returning false.

Return values:

  • void (no return value, or null) - the hook handler finished successfully. (Before MediaWiki 1.23, returning true was required.)
  • false - the hook handler has done all the work necessary, or replaced normal handling. This will prevent further handlers from being run, and in some cases tells the calling function to skip normal processing.
Usually when extensions allow you to cancel an action, the hook also provides a Status object where a localised error can be set.
MediaWiki バージョン:
1.40

Prior to MediaWiki 1.41, abortable hooks could return an error message as string. This was a shortcut for producing an Internal Server Error (HTTP 500) response with the returned string displayed as the fatal error. This was deprecated in MW 1.35 (Gerrit change 571297), and removed in MW 1.41 (Gerrit change 571297).

Handling hooks in MediaWiki 1.35 and later

MediaWiki バージョン:
1.35

MediaWiki 1.35 introduces the HookHandlers extension attribute. This includes per-hook interfaces for improved static validation and discovery of parameter documentation. It also enables dependency injection by introducing an intermediary class instance that accepts a number of specified services (instead of static callbacks that explicitly access services from global state).

The approach from MediaWiki 1.34 and earlier, of registering hook handlers directly as static methods, remains supported and is not deprecated. Extension authors may opt-in to the new system are welcome to do so. To learn more, see the MediaWiki core: Hook specification and the announcement on wikitech-l.

Changes to hook names

Prior to MediaWiki 1.35, hooks sometimes included characters that could not be used in a class or method name, such as colons and dashes. With the introduction of per-hook interfaces, the canonical names of these hooks have been changed to use underscores instead. For example, the interface for ApiFeedContributions::feedItem is ApiFeedContributions__feedItemHook. Hook handlers that are registered with the old names remain supported.

Registering hooks using HookHandlers

To adopt the new system, change your Hooks class to have regular methods instead of static methods and to be constructible. This class is then registered once, via the HookHandlers attribute in extension.json , using the class option as part of an ObjectFactory description where you can use the services option.

For example, to register the BeforePageDisplay hook:

{
    "HookHandlers": {
        "main": {
            "class": "MediaWiki\\Extension\\Example\\Hooks",
            "services": [ "UserNameUtils" ]
        }
    },
    "Hooks": {
        "BeforePageDisplay": "main"
    }
}


Handling hooks using interfaces

To use hook interfaces, extensions should define a Hooks class in their namespace and implement one or more hook interfaces. Hook interfaces are named with the hook name followed by the word "Hook".

namespace MediaWiki\Extension\MyExtension;

use MediaWiki\Hook\BeforePageDisplayHook;
use OutputPage;
use Skin;

class Hooks implements BeforePageDisplayHook {
    public function onBeforePageDisplay( $out, $skin ): void { ... }
}

Convert an extension to the new hook system

Follow these steps for each hook handling method:

  • identify the hook handler interface, and make the Hooks class implement this interface.
  • update the method name and signature to be exactly the same as in the interface.
  • change the Hooks section of extension.json to refer to the handler you specified in the HookHandlers section.

The process was demonstrated at the ウィキメディア・ハッカソン 2021 :

説明文書

MediaWiki コアのフックは現状ではここMediaWiki.orgのほか フック インターフェイス (ソースコード リポジトリ内) の2箇所に説明文書を置くことになっています。場合によってはどちらかで作業が未完了なことがあるため、フックの説明文書の確認は両方の場所を調べてください。

Each hook provided by MediaWiki Core is defined in a hook interface. Typically, hook interfaces are located in a "Hook" sub-namespace inside the caller namespace. 例: Storage/Hook/PageContentSaveHook.phpYou can find a list of hook interfaces in the generated MediaWiki PHP documentation.

オンウィキでフックを開設するには {{MediaWikiHook }} を使います。

As of June 2020, docs/hooks.txt is deprecated as a source of documentation for individual hooks. For more information about the introduction of hooks based on HookContainer, see the hook specification in MediaWiki Core.

Hook interface doc template

In hook interfaces, doc comments specify the status, purpose, parameters, and behaviour of the hook.

/**
 * @stable for implementation
 * @ingroup Hooks
 */
interface MyExampleHook {
	/**
	 * This hook is called after/when...
	 * Use this hook to...
	 *
	 * @since x.xx
	 * @param string $name Description
	 * @return void This hook must not abort, it must return no value
	 */
	public function onMyExample( $name ): void;
}
/**
 * @stable for implementation
 * @ingroup Hooks
 */
interface AbortableExampleHook {
	/**
	 * This hook is called before...
	 * Use this hook to...
	 *
	 * @since x.xx
	 * @param string $name Description
	 * @@return bool|void True or no return value to continue or false to abort
	 */
	public function onAbortableExample( $name );
}


利用できるフック

機能ごとに分類したフック

ここに一覧したフックの中には、機能ごとにいくつかのグループに分類できます。

小分類: 記事の管理 - ページ編集 - ページのレンダリング - ユーザー インターフェイス - ファイル管理 - 特別ページ - 利用者管理 - ログ - 外装テンプレート - API - インポート/エクスポート - 差分 - その他
警告 警告: New hooks are added to MediaWiki fairly frequently, so this list is not always completely up to date. As with most documentation on this site, if you need complete up-to-the-minute information you are advised to consult the generated list of hook interfaces. As ever, you are encouraged to update this list to correct any errors or omissions.
関数 バージョン フック 説明
記事の管理 1.23.0 Article::MissingArticleConditions Called when showing a page.
1.21 ArticleAfterFetchContentObject (1.32 で廃止予定) After fetching content of an article from the database.
1.16 ArticleConfirmDelete Occurs before writing the confirmation form for article deletion.
1.21 ArticleContentViewCustom (1.35 で除去) Allows to output the text of the article in a different format than wikitext
1.25 ArticleDeleteAfterSuccess Output after an article has been deleted
1.4.0 ArticleDeleteComplete (1.37 で廃止予定) 記事の削除要求が処理された後に発生する
1.4.0 ArticleDelete (1.37 で廃止予定) 記事の削除要求をソフトウェアが受けると毎回、発生する
1.5.7 ArticleEditUpdateNewTalk Allows an extension to prevent user notification when a new message is added to their talk page.
1.6.0 ArticleEditUpdatesDeleteFromRecentchanges Occurs before saving to the database. If returning false old entries are not deleted from the recentchangeslist.
1.14.0 ArticleEditUpdates (1.35 で廃止予定) Called when edit updates (mainly link tracking) are made when an article has been changed.
1.8.0 ArticleFromTitle Called to determine the class to handle the article rendering, based on title
1.12.0 ArticleMergeComplete After merging to article using Special:Mergehistory
1.36 ArticleParserOptions This hook is called before parsing wikitext for an article,
1.18 ArticlePrepareTextForEdit Called when preparing text to be saved.
1.4.0 ArticleProtectComplete Occurs after the protect article request has been processed
1.4.0 ArticleProtect Occurs whenever the software receives a request to protect an article
1.6.0 ArticlePurge Allows an extension to cancel a purge.
1.12.0 ArticleRevisionUndeleted (1.35 で廃止予定) 記事の更新が復元された後に発生する
1.32 ArticleRevisionViewCustom Allows to output the text of an article revision in a different format than wikitext
1.13.0 ArticleRevisionVisibilitySet Called when changing visibility of one or more revisions of an article
1.12.0 ArticleRollbackComplete (1.35 で廃止予定) Occurs after an article rollback is completed
1.21 ArticleUndeleteLogEntry Occurs when a log entry is generated but not yet saved
1.9.1 ArticleUndelete 記事の更新が1件以上復元された時点
1.11.0 ArticleUpdateBeforeRedirect Occurs after a page is updated (usually on save), before the user is redirected back to the page
1.18 ArticleViewFooter After showing the footer section of an ordinary page view.
1.17 CanonicalNamespaces For extensions adding their own namespaces or altering the defaults.
1.25 ChangeTagAfterDelete Called after a change tag has been deleted (that is, removed from all revisions and log entries to which it was applied).
1.25 ChangeTagCanCreate Tell whether a change tag should be able to be created by users.
1.25 ChangeTagCanDelete Tell whether a change tag should be able to be deleted by users.
1.28 ChangeTagsAfterUpdateTags Can be used by extensions to take actions after change tags have been added or updated.
1.30 ChangeTagsAllowedAdd Called when checking if a user can add tags to a change.
1.25 ChangeTagsListActive Can be used by extensions to register active change tags.
1.21.0 ContentHandlerDefaultModelFor Called when deciding the default content model for a given title.
1.21.0 ContentHandlerForModelID Called when a ContentHandler is requested for a given content model name, but no entry for that model exists in $wgContentHandlers .
1.23 ContentModelCanBeUsedOn args = $modelId, Title $title, &$ok
1.21.0 ConvertContent Called when a conversion to another content model is requested.
1.29 GetContentModels Allows to add custom content handlers to the list of content models registered with the system.
1.39 JsonValidateSave Use this hook to add additional validations for JSON content pages.
1.19 LanguageGetNamespaces Provide custom ordering for namespaces or remove namespaces.
1.25.0 MovePageIsValidMove Specify whether a page can be moved for technical reasons.
1.35.0 MultiContentSave Occurs whenever the software receives a request to save an article
1.25 MovePageCheckPermissions Specify whether the user is allowed to move the page.
1.20 NamespaceIsMovable Called when determining if it is possible to move pages, for a particular namespace. This controls moves both to and from the given namespace.
1.13 NewRevisionFromEditComplete (1.35 で廃止予定) Called when a revision was inserted due to an edit.
1.21 PageContentInsertComplete (1.35 で廃止予定) Occurs after a new article is created
1.18 PageContentLanguage Allows changing the page content language and consequently all features depending on that (writing direction, LanguageConverter, ...).
1.21.0 PageContentSaveComplete (1.35 で廃止予定) Occurs after the save article request has been processed
1.21.0 PageContentSave (1.35 で廃止予定) (MultiContentSaveを利用) Occurs whenever the software receives a request to save an article
1.37.0 PageDelete Occurs whenever the software receives a request to delete a page.
1.37.0 PageDeleteComplete Occurs after the delete page request has been processed.
1.32 PageDeletionDataUpdates Called when constructing a list of DeferrableUpdate to be executed when a page is deleted.
1.35 PageMoveComplete After an article has been moved, post commit
1.35 PageMoveCompleting After an article has been moved, pre commit
1.35 PageSaveComplete After an article has been updated.
1.37 PageUndelete Run before page undeletion.
1.40 PageUndeleteComplete Runs after a page undeletion.
1.25 PageViewUpdates Called after a page view is seen by MediaWiki. Note this does not capture views made via external caches such as Squid .
1.16 ProtectionForm::buildForm (1.36 で廃止予定) Called after all protection type fieldsets are made in the form.
1.16 ProtectionForm::save Called when a protection form is submitted.
1.16 ProtectionForm::showLogExtract Called after the protection log extract is shown.
1.36 ProtectionFormAddFormFields This hook is called after all protection type form fields are added.
1.8.0 RecentChange_save Called after a "Recent Change" is committed to the DB.
1.32 RevisionDataUpdates Called when constructing a list of DeferrableUpdate to be executed to record secondary data about a revision.
1.35 RevisionFromEditComplete Called when a revision was inserted due to an edit, file upload, import or page move.
1.11.0 RevisionInsertComplete (1.31 で廃止予定) (use RevisionRecordInserted) Called after a revision is inserted into the DB
1.31 RevisionRecordInserted Called after a revision is inserted into the database.
1.35 RevisionUndeleted Called after an article revision is restored
1.35 RollbackComplete (1.36 で廃止予定) Occurs after an article rollback is completed
1.15 ListDefinedTags Can be used by extensions to register change tags.
1.6.0 SpecialMovepageAfterMove Called after a page is moved.
1.14 TitleArrayFromResult Called when creating an TitleArray object from a database result.
1.24 TitleExists Called when determining whether a page exists at a given title.
1.22 TitleGetEditNotices Called when the edit notices for a page are being retrieved.
1.16 TitleGetRestrictionTypes Allows to modify the types of protection that can be applied.
1.20.0 TitleIsAlwaysKnown Allows overriding default behaviour for determining if a page exists.
1.19 TitleIsMovable Called when determining if it is possible to move a page.
1.4.0 TitleMoveComplete (1.35 で廃止予定) Occurs whenever a request to move an article is completed
1.27 TitleMoveCompleting (1.35 で廃止予定) Occurs whenever a request to move an article is completed, before the database transaction commits.
1.27 TitleMoveStarting Before moving an article (title), but just after the atomic DB section starts.
1.22.0 TitleMove Occurs before a requested pagemove is performed
1.22 TitleQuickPermissions Called from Title::checkQuickPermissions to allow skipping checking quick Title permissions (e.g., the 'delete' permission).
1.19 TitleReadWhitelist Called at the end of read permissions checks, just before adding the default error message if nothing allows the user to read the page.
1.18 UndeleteForm::undelete (1.38 で除去) Called in UndeleteForm::undelete, after checking that the site is not in read-only mode, that the Title object is not null and after a PageArchive object has been constructed but before performing any further processing.
1.21 WikiPageDeletionUpdates (1.36 で除去) Manipulate the list of DeferrableUpdate s to be applied when a page is deleted. Called in WikiPage::getDeletionUpdates(). Note that updates specific to a content model should be provided by the respective Content's getDeletionUpdates() method.
1.28 WikiPageFactory Override WikiPage class used for a title
ページの編集 1.21.0 AlternateEditPreview Allows replacement of the edit preview
1.6.0 AlternateEdit Used to replace the entire edit page, altogether.
1.9.1 CustomEditor When invoking the page editor. Return true to allow the normal editor to be used, or false if implementing a custom editor, e.g. for a special namespace, etc.
1.21.0 EditFilterMergedContent Post-section-merge edit filter
1.6.0 EditFilter Perform checks on an edit
1.16 EditFormInitialText Allows modifying the edit form when editing existing pages
1.7.0 EditFormPreloadText Called when edit page for a new article is shown. This lets you fill the text-box of a new page with initial wikitext.
1.25 EditPage::attemptSave:after Called after an article save attempt
1.8.3 EditPage::attemptSave Called before an article is saved, that is before insertNewArticle() is called
1.16 EditPage::importFormData Called when reading the data from the editform, after post
1.6.0 EditPage::showEditForm:fields Allows injection of form field into edit form.
1.6.0 EditPage::showEditForm:initial Allows injection of HTML into edit form
1.24 EditPage::showReadOnlyForm:initial Called just before the read only edit form is rendered
1.21.0 EditPage::showStandardInputs:options Allows injection of form fields into the editOptions area
1.13.0 EditPageBeforeConflictDiff Allows modifying the EditPage object and output when there's an edit conflict.
1.12.0 EditPageBeforeEditButtons Used to modify the edit buttons on the edit form
1.16 EditPageBeforeEditToolbar Allows modifying the edit toolbar above the textarea
1.16 EditPageCopyrightWarning Allow for site and per-namespace customisation of contribution/copyright notice.
1.29 EditPageGetCheckboxesDefinition Allows modifying the edit checkboxes in the edit form
1.21 EditPageGetDiffContent Allow modifying the wikitext that will be used in "差分を表示". Note that it is preferable to implement diff handling for different data types using the ContentHandler facility.
1.21 EditPageGetPreviewContent Allow modifying the wikitext that will be previewed. Note that it is preferable to implement previews for different data types using the ContentHandler facility.
1.16 EditPageNoSuchSection When a section edit request is given for an non-existent section.
1.16 EditPageTosSummary Give a chance for site and per-namespace customisations of terms of service summary link that might exist separately from the copyright notice.
1.20 FormatAutocomments When an autocomment is formatted by the Linker.
1.19 PlaceNewSection Override placement of new sections.
1.35 ParserPreSaveTransformComplete Called from Parser::preSaveTransform() after processing is complete, giving the extension a chance to further modify the wikitext.
ページのレンダリング 1.27.0 AfterBuildFeedLinks Executed after all feed links are created.
1.24 AfterParserFetchFileAndTitle Alter the HTML code of an image gallery. Called after an image gallery is formed by Parser , just before adding its HTML to parser output.
1.21 ArticleContentViewCustom (1.35 で除去) Allows to output the text of the article in a different format than wikitext
1.6.0 ArticlePageDataAfter Executes after loading the data of an article from the database.
1.6.0 ArticlePageDataBefore Executes before data is loaded for the article requested.
1.36 ArticleParserOptions This hook is called before parsing wikitext for an article,
1.32 ArticleRevisionViewCustom Allows to output the text of an article revision in a different format than wikitext
1.18 ArticleViewFooter After showing the footer section of an ordinary page view.
1.6.0 ArticleViewHeader Called after an articleheader is shown.
1.5.1 ArticleViewRedirect Allows an extension to prevent the display of a "Redirected From" link on a redirect page.
1.7 BadImage Used to determine if an image exists on the 'bad image list'. Return false to when setting $bad value.
1.19 BeforeDisplayNoArticleText Before displaying noarticletext or noarticletext-nopermission messages.
1.24 BeforeHttpsRedirect (1.35 で廃止予定) Called prior to forcing HTTP->HTTPS redirect. Use this hook to override how the redirect is output.
1.19 BeforePageRedirect Called prior to sending an HTTP redirect
1.18.0 BeforeParserFetchFileAndTitle Allows an extension to select a different version of an image to link to.
1.10.1 BeforeParserFetchTemplateAndtitle (1.36 で廃止予定) Allows an extension to specify a version of a page to get for inclusion in a template.
1.36 BeforeParserFetchTemplateRevisionRecord This hook is called before a template is fetched by Parser.
1.10.1 BeforeParserrenderImageGallery (1.35 で廃止予定) Allows an extension to modify an image gallery before it is rendered.
1.22 CanIPUseHTTPS (1.35 で廃止予定) Called when checking if an IP address can use HTTPS
1.4.3 CategoryPageView Called before viewing a categorypage in CategoryPage::view
1.25 CategoryViewer::doCategoryQuery Occurs after querying for pages to be displayed in a Category page
1.25 CategoryViewer::generateLink Before generating an output link allow extensions opportunity to generate a more specific or relevant link.
1.25 ContentAlterParserOutput Customise parser output for a given content object, called by AbstractContent::getParserOutput.
1.24.0 ContentGetParserOutput Customise parser output for a given content object, called by AbstractContent::getParserOutput. May be used to override the normal model-specific rendering of page content.
1.22.0 GalleryGetModes Allows extensions to add classes that can render different modes of a gallery.
1.12 GetLinkColours Modify the CSS class of an array of page links
1.28 HtmlPageLinkRendererBegin args = LinkRenderer $linkRenderer, LinkTarget $target, &$text, &$extraAttribs, &$query, &$ret
1.28 HtmlPageLinkRendererEnd args = LinkRenderer $linkRenderer, LinkTarget $target, $isKnown, &$text, &$attribs, &$ret
1.13 ImageBeforeProduceHTML Called before producing the HTML created by a wiki image insertion
1.11 ImageOpenShowImageInlineBefore Fired just before showing the image on an image page.
1.16 ImagePageAfterImageLinks Called after the image links section on an image page is built.
1.13 ImagePageFileHistoryLine Called when a file history line is constructed.
1.13 ImagePageFindFile Called when fetching the file associated with an image page.
1.16 ImagePageShowTOC Called when fetching the file associed with an image page.
1.10.0 InternalParseBeforeLinks Used to process the expanded wiki code after ‎<nowiki>, HTML-comments, and templates have been treated. Suitable for syntax extensions that want to customise the treatment of internal link syntax, i.e. [[....]].
1.20 InternalParseBeforeSanitize (1.35 で廃止予定) This hook is called during Parser's internalParse method just before the parser removes unwanted/dangerous HTML tags and after nowiki/noinclude/includeonly/onlyinclude and other processings.
1.13.0 LinkerMakeExternalImage Called before external image HTML is returned. Used for modifying external image HTML.
1.13.0 LinkerMakeExternalLink Called before the HTML for external links is returned. Used for modifying external link HTML.
1.23.0 LinkerMakeMediaLinkFile Called before the HTML for media links is returned. Used for modifying media link HTML.
1.6.0 OutputPageBeforeHTML Called every time wikitext is added to the OutputPage, after it is parsed but before it is added. Called after the page has been rendered, but before the HTML is displayed.
1.8.0 OutputPageParserOutput Called after parse, before the HTML is added to the output.
1.6.0 PageRenderingHash Alter the parser cache option hash key.
1.20 ParserAfterParse Called from Parser::parse() just after the call to Parser::internalParse() returns.
1.5.0 ParserAfterStrip (1.36 で除去) Before version 1.14.0, used to process raw wiki code after text surrounded by ‎<nowiki> tags have been protected but before any other wiki text has been processed. In version 1.14.0 and later, runs immediately after ParserBeforeStrip.
1.5.0 ParserAfterTidy Used to add some final processing to the fully-rendered page output.
1.26 ParserAfterUnstrip Called after the first unstripGeneral() in Parser::internalParseHalfParsed()
1.6.0 ParserBeforeInternalParse Replaces the normal processing of stripped wiki text with custom processing. Used primarily to support alternatives (rather than additions) to the core MediaWiki markup syntax.
1.35 ParserBeforePreprocess Called at the beginning of Parser::preprocess()
1.5.0 ParserBeforeStrip (1.36 で除去) Used to process the raw wiki code before any internal processing is applied.
1.5.0 ParserBeforeTidy (1.36 で除去) Used to process the nearly-rendered html code for the page (but before any html tidying occurs).
1.26 ParserCacheSaveComplete Modify ParserOutput safely after it has been saved to cache.
1.6.0 ParserClearState Called at the end of Parser::clearState()
1.21.0 ParserCloned Called when the Parser object is cloned.
1.28 ParserFetchTemplate (1.35 で廃止予定) Called when the parser fetches a template
1.6.0 ParserGetVariableValueSwitch Assigns a value to a user defined variable.
1.6.0 ParserGetVariableValueTs Use this to change the value of the time for the {{LOCAL...}} magic word.
1.6.0 ParserGetVariableValueVarCache (1.35 で廃止予定) Use this to change the value of the variable cache or return false to not use it.
1.35 ParserFetchTemplateData Fetches template data for an array of template titles
1.22 ParserLimitReportFormat Called for each row in the parser limit report that needs formatting.
1.22 ParserLimitReportPrepare Called at the end of Parser:parse() when the parser will include comments about size of the text parsed.
1.39 ParserLogLinterData Report lints from Parsoid to the Linter extension
1.12 ParserMakeImageParams Alter the parameters used to generate an image before it is generated
1.38 ParserModifyImageHTML This hook is called for each image added to parser output, with its associated HTML as returned from Linker::makeImageLink().
1.30 ParserOptionsRegister Allows registering additional parser options
1.31 ParserOutputPostCacheTransform Called from ParserOutput::getText() to do post-cache transforms.
1.27 ParserOutputStashForEdit Called when an edit stash parse finishes, before the output is cached.
1.35 ParserPreSaveTransformComplete Called from Parser::preSaveTransform() after processing is complete, giving the extension a chance to further modify the wikitext.
1.19 ParserSectionCreate (1.35 で廃止予定) Called each time the parser creates a document section from wikitext.
1.26 RejectParserCacheValue Return false to reject an otherwise usable cached value from the Parser cache.
1.26 ResourceLoaderForeignApiModules Called from ResourceLoaderForeignApiModule. Use this to add dependencies to mediawiki.ForeignApi module when you wish to override its behaviour. See the module docs for more information.
1.17 ResourceLoaderGetConfigVars Called right before ResourceLoaderStartUpModule::getConfig returns, to set static (not request-specific) configuration variables. Can not depend on current page, current user or current request; see below.
1.18 ResourceLoaderGetStartupModules Run once the startup module is being generated.
1.38 ResourceLoaderExcludeUserOptions Exclude a user option from the preloaded data for client-side mw.user.options.
1.29 ResourceLoaderJqueryMsgModuleMagicWords Called in ResourceLoaderJqueryMsgModule to allow adding magic words for jQueryMsg. The key is an all-caps magic word, and the value is a string; values depend only on the ResourceLoaderContext
1.43 ResourceLoaderModifyStartupSourceUrls Called in StartUpModule to allow modifying source URLs.
1.17.0 ResourceLoaderRegisterModules Allows registering modules with ResourceLoader
1.35 ResourceLoaderSiteModulePages Allows to change which wiki pages comprise the `site` module in given skin.
1.35 ResourceLoaderSiteStylesModulePages Allows to change which wiki pages comprise the 'site.styles' module in given skin.
1.19 ResourceLoaderTestModules (1.33 で廃止予定) Add new javascript test suites. This is called after the addition of MediaWiki core test suites.
1.24.0 SidebarBeforeOutput Directly before the sidebar is output
1.16 ShowMissingArticle Called when generating the output for a non-existent page.
ユーザーインターフェイス 1.18 ActionBeforeFormDisplay Before executing the HTMLForm object
1.18 ActionModifyFormFields Before creating an HTMLForm object for a page action; allows to change the fields on the form that will be generated.
1.20 AfterFinalPageOutput Nearly at the end of OutputPage::output().
1.9.1 AjaxAddScript Called in output page just before the initialisation
1.5.7 ArticleEditUpdateNewTalk Before updating user_newtalk when a user talk page was changed.
1.6.0 ArticlePurge Executes before running &action=purge
1.32 ArticleShowPatrolFooter Can be used to hide the [mark as patrolled] link in certain circumstances
1.18.0 BeforeWelcomeCreation Allows an extension to change the message displayed upon a successful login.
1.32 ContentSecurityPolicyDefaultSource Modify the allowed CSP load sources. This affects all directives except for the script directive.
1.32 ContentSecurityPolicyDirectives Modify the content security policy directives.
1.32 ContentSecurityPolicyScriptSource Modify the allowed CSP script sources.
1.4.0 EmailUserComplete Occurs after an email has been sent from one user to another
1.4.0 EmailUser Occurs whenever the software receives a request to send an email from one user to another
1.41 EmailUserAuthorizeSend Called when checking whether a user is allowed to send emails
1.41 EmailUserSendEmail Called before sending an email, when all other checks have succeeded.
1.21 GetHumanTimestamp Pre-emptively override the human-readable timestamp generated by MWTimestamp::getHumanTimestamp(). Return false in this hook to use the custom output.
1.31 GetLangPreferredVariant Allows fetching the language variant code from cookies or other such alternative storage.
1.22 GetNewMessagesAlert Disable or modify the new messages alert before it is shown
1.16 GetPreferences Modify user preferences.
1.22 GetRelativeTimestamp Pre-emptively override the relative timestamp generated by MWTimestamp::getRelativeTimestamp(). Return false in this hook to use the custom output.
1.32 HistoryPageToolLinks Allows adding links to the revision history page subtitle.
1.21 HistoryRevisionTools (1.35 で廃止予定) Override or extend the revision tools available from the page history view, i.e. undo, rollback, etc.
1.35 HistoryTools Use this hook to override or extend the revision tools available from the page history view, i.e. undo, rollback, etc.
1.24 LanguageSelector Hook to change the language selector available on a page.
1.6.0 MarkPatrolledComplete Called after an edit is marked patrolled
1.6.0 MarkPatrolled Called before an edit is marked patrolled
1.14 MakeGlobalVariablesScript Right before OutputPage->getJSVars returns the vars.
1.32 OutputPageAfterGetHeadLinksArray Allows extensions to modify the HTML metadata in the ‎<head> element
1.17 OutputPageBodyAttributes Called when OutputPage::headElement() is creating the body tag.
1.14 OutputPageCheckLastModified When checking if the page has been modified since the last visit
1.13 OutputPageMakeCategoryLinks Called when links are about to be generated for the page's categories.
1.10 PageHistoryBeforeList When a history page list is about to be constructed.
1.10 PageHistoryLineEnding Right before the end ‎<li> is added to a history line.
1.26 PageHistoryPager::doBatchLookups Allow performing batch lookups for prefetching information needed for display
1.13 PageHistoryPager::getQueryInfo When a history pager query parameter set is constructed.
1.10 RawPageViewBeforeOutput Called before displaying a page with action=raw. Returns true if display is allowed, false if display is not allowed.
1.16 ShowSearchHitTitle Customise display of search hit title/link.
1.21 ShowSearchHit Customise display of search hit.
1.7 SiteNoticeAfter Used to modify the site notice after it has been created from $wgSiteNotice or interface messages.
1.7 SiteNoticeBefore Used to modify the sitenotice before it has been created from $wgSiteNotice. Return false to suppress or modify default site notice.
1.6.0 SpecialMovepageAfterMove Called after a page is moved.
1.19.0 SpecialSearchCreateLink Called when making the message to create a page or go to an existing page
1.6.0 SpecialSearchNogomatch Called when the 'Go' feature is triggered and the target doesn't exist. Full text search results are generated after this hook is called
1.19.0 SpecialSearchPowerBox The equivalent of SpecialSearchProfileForm for the advanced form
1.34 UndeletePageToolLinks Add one or more links to edit page subtitle when a page has been previously deleted.
1.4.0 UnwatchArticleComplete Occurs after the unwatch article request has been processed
1.4.0 UnwatchArticle Occurs whenever the software receives a request to unwatch an article
1.5.7 UserClearNewTalkNotification Called when clearing the "You have new messages!" message, return false to not delete it
1.4.0 UserLoginComplete Occurs after a user has successfully logged in
1.4.0 UserLogoutComplete Occurs after a user has successfully logged out
1.4.0 UserLogout Occurs when the software receives a request to log out
1.5.7 UserRetrieveNewTalks (1.35 で廃止予定) Called when retrieving "You have new messages!" message(s)
1.19 UserToolLinksEdit Called when generating a list of user tool links, eg "Foobar (トーク | 投稿記録 | ブロック)"
1.4.0 WatchArticleComplete Occurs after the watch article request has been processed
1.4.0 WatchArticle Occurs whenever the software receives a request to watch an article
File Management 1.19 BitmapHandlerCheckImageArea Called by BitmapHandler::normaliseParams(), after all normalisations have been performed, except for the $wgMaxImageArea check.
1.18 BitmapHandlerTransform Before a file is transformed, gives extension the possibility to transform it themselves.
1.13 FileDeleteComplete When a file is deleted.
1.20 FileTransformed When a file is transformed and moved into storage.
1.13 FileUndeleteComplete When a file is undeleted.
1.11 FileUpload Fires when a local file upload occurs.
1.18 GetMetadataVersion Allows to modify the image metadata version currently in use.
1.23.0 GetExtendedMetadata Allows including additional file metadata information in the imageinfo API.
1.24 HTMLFileCache::useFileCache Override whether a page should be cached in file cache.
1.10.0 IsFileCacheable Allow an extension to disable file caching on pages.
1.22 IsUploadAllowedFromUrl Allows overriding the result of UploadFromUrl::isAllowedUrl().
1.16.0 ImgAuthBeforeStream Executed before file is streamed to user, but only when using img_auth
1.34 ImgAuthModifyHeaders Executed just before a file is streamed to a user, allowing headers to be modified beforehand.
1.13 LocalFile::getHistory Called before file history query performed.
1.19 LocalFilePurgeThumbnails Called before thumbnails for a local file are purged.
1.21 ThumbnailBeforeProduceHTML Called before an image HTML is about to be rendered (by ThumbnailImage:toHtml method).
1.16 UploadCreateFromRequest When UploadBase::createFromRequest has been called.
1.9.0 UploadForm:BeforeProcessing Called just before the file data (for example description) are processed, so extensions have a chance to manipulate them.
1.31 UploadForm:getInitialPageText After the initial page text for file uploads is generated, to allow it to be altered.
1.16 UploadFormInitDescriptor Occurs after the descriptor for the upload form has been assembled.
1.16 UploadFormSourceDescriptors Occurs after the standard source inputs have been added to the descriptor.
1.28 UploadStashFile Occurs before a file is stashed (uploaded to stash).
1.6.4 UploadComplete Called when a file upload has completed.
1.17 UploadVerifyFile Called when a file is uploaded, to allow extra file verification to take place
1.28 UploadVerifyUpload (preferred) Can be used to reject a file upload. Unlike 'UploadVerifyFile' it provides information about upload comment and the file description page, but does not run for uploads to stash.
1.23 ValidateExtendedMetadataCache Called to validate the cached metadata in FormatMetadata::getExtendedMeta (return false means cache will be invalidated and the GetExtendedMetadata hook will called again).
1.18 XMPGetInfo Called when obtaining the list of XMP tags to extract.
1.18 XMPGetResults Called just before returning the results array of parsing xmp data.
特別ページ 1.32 AncientPagesQuery Allows modifying the query used by Special:AncientPages.
1.9.1 BookInformation Hook to allow extensions to insert additional HTML to a list of book sources e.g. for API-interacting plugins and so on.
1.23 ChangesListInitRows Batch process change list rows prior to rendering.
1.12 ChangesListInsertArticleLink Override or augment link to article in RC list.
1.23 ChangesListSpecialPageFilters Called after building form options on pages inheriting from ChangesListSpecialPage (in core: RecentChanges, RecentChangesLinked and Watchlist).
1.24 ChangesListSpecialPageQuery Called when building SQL query on pages inheriting from ChangesListSpecialPage (in core: RecentChanges, RecentChangesLinked and Watchlist).
1.29 ChangesListSpecialPageStructuredFilters Called to allow extensions to register filters for pages inheriting from ChangesListSpecialPage (in core: RecentChanges, RecentChangesLinked, and Watchlist).
1.13 ContribsPager::getQueryInfo Called before the contributions query is about to run.
1.20 ContribsPager::reallyDoQuery Called before really executing the query for Special:Contributions.
1.13 ContributionsLineEnding Called before an HTML line for Special:Contributions is finished.
1.11 ContributionsToolLinks Change tool links above Special:Contributions.
1.24 DeletedContribsPager::reallyDoQuery Called before really executing the query for Special:DeletedContributions.
1.24 DeletedContributionsLineEnding Called before an HTML line for Special:DeletedContributions is finished.
1.17 EmailUserCC Occurs before sending the copy of the email to the author.
1.17 EmailUserForm Occurs after building the email user form object.
1.16 EmailUserPermissionsErrors Retrieve permissions errors for emailing a user.
1.25 EnhancedChangesList::getLogText Allows altering, removing or adding to the links of a group of changes in EnhancedChangesList.
1.26 EnhancedChangesListModifyBlockLineData Modify data used to build a non-grouped entry in Special:RecentChanges.
1.26 EnhancedChangesListModifyLineData Modify data used to build a grouped recent change inner line in Special:RecentChanges.
1.7 FetchChangesList Allows extension to modify a recent changes list for a user.
1.20 GitViewers Called when generating the list of git viewers for Special:Version, use this to change the list.
1.30 NewPagesLineEnding Called before an HTML line for Special:NewPages is finished.
1.23 LonelyPagesQuery Allows modifying the query used by Special:LonelyPages.
1.14 OldChangesListRecentChangesLine Customise entire Recent Changes line.
1.23 PreferencesFormPreSave Allows last minute changes to a user's preferences (via User#setOption) before they're saved and gives a possibility to check which options were modified.
1.40 PreferencesGetIcon Add icons that will be displayed in the mobile layout of Special:Preferences.
1.40 PreferencesGetLayout Indicate whether the preferences will have a mobile or desktop layout.
1.19 PreferencesGetLegend Override the text used for the ‎<legend> of a preferences section.
1.26 RandomPageQuery Modify the query used by Special:Random.
1.20 RedirectSpecialArticleRedirectParams Lets you alter the set of parameter names such as "oldid" that are preserved when using redirecting special pages such as Special:MyPage and Special:MyTalk.
1.27 ShortPagesQuery Allow extensions to modify the query used by Special:ShortPages.
1.24.0 SpecialBlockModifyFormFields Add or modify block fields of Special:Block.
1.27 SpecialContributions::getForm::filters Called with a list of filters to render on Special:Contributions.
1.28.0 SpecialContributions::formatRow::flags Called before rendering a Special:Contributions row.
1.5.0 SpecialContributionsBeforeMainOutput Before the form on Special:Contributions
1.40 SpecialCreateAccountBenefits Replace the default signup page content about the benefits of registering an account ("Wikipedia is made by people like you...") on Special:CreateAccount.
1.38 SpecialExportGetExtraPages Add extra pages to the list of pages to export.
1.13.0 SpecialListusersDefaultQuery Called right before the end of UsersPager::getDefaultQuery().
1.13.0 SpecialListusersFormatRow Called right before the end of UsersPager::formatRow().
1.13.0 SpecialListusersHeaderForm Called before adding the submit button in UsersPager::getPageHeader().
1.13.0 SpecialListusersHeader Called before closing the ‎<fieldset> in UsersPager::getPageHeader()
1.13.0 SpecialListusersQueryInfo Called right before the end of UsersPager::getQueryInfo()
1.34 SpecialMuteModifyFormFields Allows modifying HTMLForm fields for Special:Mute
1.34 SpecialMuteSubmit (1.34 で廃止予定) Used only for instrumentation on SpecialMute
1.17 SpecialNewpagesConditions Called when building the SQL query for Special:NewPages.
1.18 SpecialNewPagesFilters Called after building form options at Special:NewPages.
1.7.0 SpecialPage_initList Called after the Special Page list is populated
1.20 SpecialPageAfterExecute Called after SpecialPage::execute().
1.20 SpecialPageBeforeExecute Called before SpecialPage::execute().
1.24 SpecialPageBeforeFormDisplay Before executing the HTMLForm object
1.18 SpecialPasswordResetOnSubmit Called when executing a form submission on Special:PasswordReset.
1.16 SpecialRandomGetRandomTitle Modify the selection criteria for Special:Random
1.13 SpecialRecentChangesPanel Called when building form options in SpecialRecentChanges.
1.22 SpecialResetTokensTokens Called when building token list for SpecialResetTokens.
1.27 SpecialSearchGoResult Called before the 'go' feature of SpecialSearch redirects a user. May provide it's own url to redirect to.
1.18 SpecialSearchProfileForm Allows modification of search profile forms
1.16 SpecialSearchProfiles Allows modification of search profiles.
1.21 SpecialSearchResultsAppend Called after all search results HTML has been output. Note that in some cases, this hook will not be called (no results, too many results, SpecialSearchResultsPrepend returned false, etc).
1.21 SpecialSearchResultsPrepend SpecialSearchResultsPrepend: Called immediately before returning HTML on the search results page. Useful for including an external search provider. To disable the output of MediaWiki search output, return false.
1.13 SpecialSearchResults Called before search result display when there are matches
1.18 SpecialSearchSetupEngine Allows passing custom data to search engine
1.16 SpecialStatsAddExtra Can be used to add extra statistic at the end of Special:Statistics.
1.29 SpecialTrackingCategories::generateCatLink Called for each category link on Special:TrackingCategories
1.29 SpecialTrackingCategories::preprocess Called after LinkBatch on Special:TrackingCategories
1.16 SpecialUploadComplete Called after successfully uploading a file from Special:Upload
1.21 SpecialVersionVersionUrl Called when building the URL for Special:Version.
1.22 SpecialWatchlistGetNonRevisionTypes Allows extensions to register the value they have inserted to rc_type field of recentchanges for non-revision changes so they can be included in the watchlist.
1.26 SpecialWhatLinksHereLinks Called every time a list of links is built for a list item for Special:WhatLinksHere.
1.18 UndeleteForm::showHistory Called in UndeleteForm::showHistory, after a PageArchive object has been created but before any further processing is done.
1.18 UndeleteForm::showRevision Called in UndeleteForm::showRevision, after a PageArchive object has been created but before any further processing is done.
1.18 UndeleteForm::undelete Called in UndeleteForm::undelete, after checking that the site is not in read-only mode, that the Title object is not null and after a PageArchive object has been constructed but before performing any further processing.
1.9 UndeleteShowRevision (1.35 で廃止予定) Called when showing a revision in Special:Undelete.
1.9.0 UploadForm:initial Called just before the upload form is generated
1.28 UsersPagerDoBatchLookups Give extensions providing user group data from an alternate source a chance to add their data into the cache array so that things like global user groups are displayed correctly in Special:ListUsers.
1.18 WantedPages::getQueryInfo Called in WantedPagesPage::getQueryInfo(), can be used to alter the SQL query which gets the list of wanted pages.
1.24 WatchlistEditorBeforeFormRender Occurs before building the Special:EditWatchlist form, used to manipulate the list of pages or preload data based on that list.
1.17 WatchlistEditorBuildRemoveLine Occurs when building remove lines in Special:Watchlist/edit.
1.24.0 WhatLinksHereProps Allows extensions to annotate WhatLinksHere entries.
1.40 ContributeCards Fired on Special:Contribute page to allow extensions to add "card" entry points.
利用者管理 1.13 AbortAutoblock Allow extension to cancel an autoblock.
1.20 AbortEmailNotification Can be used to cancel email notifications for an edit.
1.22 AbortTalkPageEmailNotification Disable email notifications of edits to users' talk pages.
1.5.0 AddNewAccount (1.27 で廃止予定) Called after a user account is created
1.43 AuthManagerFilterProviders Allow disabling authentication providers.
1.27 AuthManagerLoginAuthenticateAudit A login attempt either succeeded or failed for a reason other than misconfiguration or session loss. No return data is accepted; this hook is for auditing only.
1.43 AuthManagerVerifyAuthentication Called before the end of a successful login or account creation attempt.
1.13 AuthPluginAutoCreate (1.27 で廃止予定) Called when creating a local account for an user logged in from an external authentication method.
1.9.1 AuthPluginSetup (1.27 で廃止予定) Update or replace authentication plugin object ($wgAuth).
1.43 AuthPreserveQueryParams Used when an authentication page generates an URL which is in some sense part of the authentication process
1.12 AutopromoteCondition Check autopromote condition for user.
1.32 BeforeResetNotificationTimestamp Allows prevention of clearing of notification timestamp when a user views a page in their watchlist.
1.4.0 BlockIpComplete Occurs after the request to block (or change block settings of) an IP or user has been processed
1.4.0 BlockIp Occurs whenever the software receives a request to block (or change the block settings of) an IP address or user
1.27 ChangeAuthenticationDataAudit Called when user changes authentication data.
1.29.0 ChangeUserGroups Called before a user's group memberships are changed
1.16 ConfirmEmailComplete Called after a user's email has been confirmed successfully.
1.31 DeleteUnknownPreferences Called by the cleanupPreferences.php maintenance script to build a WHERE clause with which to delete preferences that are not known about.
1.7 EmailConfirmed Replace default way to check whether user's email is confirmed.
1.19 ExemptFromAccountCreationThrottle To add an exemption from the account creation throttle.
1.37 GetAllBlockActions Add an action that can be blocked via a partial block.
1.40 GetBlockErrorMessageKey Allows extensions to override the message that will be displayed to the user.
1.6.0 GetBlockedStatus (1.35 で除去) Fired after the user's getBlockStatus is set
1.34 GetUserBlock Modify the block found by the block manager.
1.12 getUserPermissionsErrors Add a permissions error when permissions errors are checked for.
1.12 getUserPermissionsErrorsExpensive Same as getUserPermissionsErrors as but called only if expensive checks are enabled.
1.13 GetAutoPromoteGroups When determining which autopromote groups a user is entitled to be in.
1.16 InvalidateEmailComplete Called after a user's email has been invalidated successfully.
1.9 IsTrustedProxy Allows an extension to set an IP as trusted or not.
1.12 isValidEmailAddr Override the result of Sanitizer::validateEmail().
1.11 isValidPassword Override the result of User::isValidPassword().
1.26.0 LocalUserCreated Called immediately after a local user has been created and saved to the database.
1.37 LoadUserOptions This hook is called when user options/preferences are being loaded from the database.
1.26 PasswordPoliciesForUser Alter the effective password policy for a user.
1.18 PerformRetroactiveAutoblock Called before a retroactive autoblock is applied to a user.
1.39 PermissionErrorAudit Called after permission checks to allow logging.
1.9 PingLimiter Allows extensions to override the results of User::pingLimiter().
1.11 PrefsEmailAudit Called when user changes his email address.
1.23 ResetPasswordExpiration Allow extensions to set a default password expiration.
1.40 RenameUserAbort Allow other extensions to abort a user rename
1.40 RenameUserComplete After a sucessful user rename
1.40 RenameUserPreRename Before renaming an user
1.40 RenameUserWarning Get warnings when renaming an user
1.37 SaveUserOptions Called just before saving user preferences. This hook replaces UserSaveOptions . Hook handlers can either add or manipulate options, or reset one back to its default to block changing it. Hook handlers are also allowed to abort the process by returning false, e.g. to save to a global profile instead. Compare to the UserSaveSettings hook, which is called after the preferences have been saved.
1.27.0 SecuritySensitiveOperationStatus Affect the return value from AuthManager::securitySensitiveOperationStatus()
1.27.0 SessionCheckInfo Validate session info as it's being loaded from storage
1.27.0 SessionMetadata Add metadata to a session being saved
1.43.0 SpreadAnyEditBlock Occurs when User::spreadAnyEditBlock is called, used to allow autoblocking for non-core blocking mechanisms.
1.39 TempUserCreatedRedirect This hook is called after an action causes a temporary user to be created. The handler may modify the redirect URL.
1.21 UpdateUserMailerFormattedPageStatus Occurs before a notification email gets sent.
1.29.0 UnblockUserComplete Occurs after the request to unblock an IP or user has been processed
1.29.0 UnblockUser Occurs whenever the software receives a request to unblock an IP address or user
1.14 User::mailPasswordInternal Before creation and mailing of a user's new temporary password.
1.18 UserAddGroup Called when adding a group to an user.
1.13 UserArrayFromResult Called when creating an UserArray object from a database result.
1.6.0 userCan To interrupt/advise the "user can do X to Y article" check
1.12 UserCanSendEmail Allows overriding the permission check in User::canSendEmail().
1.38 UserEditCountUpdate This is called from a deferred update on edit or move and provides collected user edit count information.
1.11 UserEffectiveGroups Dynamically add or remove to the default user groups provided by the database table user_groups .
1.13 UserGetAllRights After calculating a list of all available rights.
1.18 UserGetDefaultOptions Called after fetching the core default user options.
1.13 UserGetEmailAuthenticationTimestamp Called when getting the timestamp of email authentification.
1.13 UserGetEmail Called when getting an user email address.
1.18 UserGetLanguageObject Called when getting user's interface language object.
1.14 UserGetReservedNames Allows to modify $wgReservedUsernames at run time.
1.32.0 UserGetRightsRemove Called in User::getRights() to dynamically remove rights
1.11.0 UserGetRights Called in User::getRights() to dynamically add rights
1.26 UserGroupsChanged Called after user groups are changed.
1.16 UserIsBlockedFrom Check if a user is blocked from a specific page (for specific block exemptions).
1.14 UserIsBlockedGlobally (1.40 で廃止予定) Runs before User::mBlockedGlobally is set; can be used to change the blocked status of an IP address or a user
1.28 UserIsBot Occurs when determining whether a user is a bot account.
1.26.0 UserIsLocked Fired to check if a user account is locked
1.22 UserIsEveryoneAllowed Check if all users are allowed some user right; return false if a UserGetRights hook might remove the named right.
1.26 UserIsHidden (1.35 で除去) Check if the user's name should be hidden. See User::isHidden().
1.14 UserLoadAfterLoadFromSession Called to authenticate users on external/environmental means; occurs after session is loaded.
1.13 UserLoadDefaults Called when loading a default user.
1.15 UserLoadFromDatabase Called when loading a user from the database.
1.16 UserLoadOptions When user options/preferences are being loaded from the database.
1.27.0 UserLoggedIn Called after a user is logged in
1.27 UserMailerSplitTo Called in UserMailer::send() to give extensions a chance to split up an email with multiple of the To: field into separate emails.
1.27 UserMailerTransformContent Allow transformation of content, such as encrypting/signing.
1.27 UserMailerTransformMessage Called in UserMailer::send() to change email after it has gone through the MIME transform. Extensions can block sending the email by returning false and setting $error.
1.41 UserPrivilegedGroups Use this hook to extend what MediaWiki considers to be a "privileged group" beyond the values set in $wgPrivilegedGroups
1.18 UserRemoveGroup Called when removing a group from an user.
1.22 UserRequiresHTTPS (1.35 で廃止予定) Allows extensions to override whether users need to be redirected to HTTPS.
1.24 UserResetAllOptions Allows changing the behaviour when a user's preferences are reset. For instance, certain preferences can be preserved.
1.16 UserSaveOptions Called just before saving user preferences. Hook handlers can either add or manipulate options, or reset one back to its default to block changing it. Hook handlers are also allowed to abort the process by returning false, e.g. to save to a global profile instead. Compare to the UserSaveSettings hook, which is called after the preferences have been saved.
1.13 UserSaveSettings Called directly after user preferences (user_properties in the database) have been saved. Compare to the UserSaveOptions hook, which is called before.
1.33 UserSendConfirmationMail Called just before a confirmation email is sent to a user. Hook handlers can modify the email that will be sent.
1.13 UserSetCookies (1.27 で廃止予定) Called when setting user cookies.
1.13 UserSetEmailAuthenticationTimestamp Called when setting the timestamp of email authentication.
1.13 UserSetEmail Called when changing user email address.
ログ記録 1.23 GetLogTypesOnUser Add log types where the target is a userpage.
1.26.0 LogException Called before an exception (or PHP error) is logged.
1.25 LogEventsListGetExtraInputs When getting extra inputs to display on Special:Log for a specific log type.
1.30 LogEventsListLineEnding Called before an HTML line for Special:Log is finished.
1.19 LogEventsListShowLogExtract Called before the result of LogEventsList::showLogExtract() is added to OutputPage.
1.12 LogLine Processes a single log entry on Special:Log.
1.33 ManualLogEntryBeforePublish Lets extensions tag log entries when actions are performed.
1.29 OtherAutoblockLogLink Get links to the autoblock log from extensions which autoblocks users and/or IP addresses too..
1.16 OtherBlockLogLink Get links to the block log from extensions which blocks users and/or IP addresses too.
1.24 SpecialLogAddLogSearchRelations Add log relations to the current log.
外装 / テンプレート 1.27.0 AuthChangeFormFields Allows modification of AuthManager-based forms
1.23.0 BaseTemplateAfterPortlet (1.35 で廃止予定) (SkinTemplate.php) After rendering of portlets.
1.18 BaseTemplateToolbox (1.35 で廃止予定) Called by BaseTemplate when building the toolbox array and returning it for the skin to output.
1.7.0 BeforePageDisplay Allows last minute changes to the output page, e.g. adding of CSS or JavaScript by extensions.
1.25.0 LoginFormValidErrorMessages Allows to add additional error messages (SpecialUserLogin.php).
1.7.0 PersonalUrls (SkinTemplate.php) 個人の URL 類 (モノブック冒頭のリンク類など) の一覧が展開後、呼び出し。
1.24.0 PostLoginRedirect (SpecialUserlogin.php) ログイン後のリダイレクトの挙動を調整。
1.19 RequestContextCreateSkin Called when creating a skin instance.
1.35 SkinAddFooterLinks Add items to the footer for skins using SkinAddFooterLinks.
1.11.0 SkinAfterBottomScripts (Skin.php) At the end of Skin::bottomScripts()
1.14 SkinAfterContent Allows extensions to add text after the page content and article metadata.
1.35 SkinAfterPortlet Occurs whenever a page is rendered and allows to add HTML after portlets have been put out.
1.14 SkinBuildSidebar At the end of Skin::buildSidebar().
1.16 SkinCopyrightFooter Allow for site and per-namespace customisation of copyright notice.
1.25 SkinEditSectionLinks Modify the section edit links. Called when section headers are created.
1.17 SkinGetPoweredBy (1.37 で廃止予定) Called when generating the code used to display the "Powered by MediaWiki" icon.
1.36 SkinPageReadyConfig Allows skins to change the `mediawiki.page.ready` module configuration.
1.24 SkinPreloadExistence Modify the CSS class of an array of page links.
1.12.0 SkinSubPageSubtitle (Skin.php) Called before the list of subpage links on top of a subpage is generated
1.6.0 SkinTemplateBuildNavUrlsNav_urlsAfterPermalink (1.35 で廃止予定) Called after the permalink has been entered in navigation URL array.
1.23.0 SkinTemplateGetLanguageLink Called after building the data for a language link from which the actual html is constructed.
1.18.0 SkinTemplateNavigation::SpecialPage (usage discouraged)

Called on special pages after the special tab is added but before variants have been added

1.18.0 SkinTemplateNavigation::Universal (usage discouraged)

Called on both content and special pages after variants have been added

1.16.0 SkinTemplateNavigation Called on content pages only after tabs have been added, but before variants have been added. See the other two SkinTemplateNavigation hooks for other points tabs can be modified at.
1.10 SkinTemplateOutputPageBeforeExec (1.35 で廃止予定) Allows further setup of the template engine after all standard setup has been performed but before the skin has been rendered.
1.6.0 SkinTemplatePreventOtherActiveTabs (1.35 で廃止予定) Called to enable/disable the inclusion of additional tabs to the skin.
1.12 SkinTemplateTabAction (1.35 で廃止予定) Override SkinTemplate::tabAction().
1.13 SkinTemplateToolboxEnd (1.35 で廃止予定) Called by SkinTemplate skins after toolbox links have been rendered (useful for adding more).
API 1.14.0 APIAfterExecute Use this hook to extend core API modules
1.23.0 ApiBeforeMain Called before ApiMain is executed
1.20 ApiCheckCanExecute Called during ApiMain::checkCanExecute().
1.29 ApiDeprecationHelp Add messages to the 'deprecation-help' warning generated from ApiBase::addDeprecation().
1.25 ApiFormatHighlight Use to syntax-highlight API pretty-printed output. When highlighting, add output to $context->getOutput() and return false.
1.14.0 APIGetAllowedParams Use this hook to modify a module's parameters
1.25 APIGetDescriptionMessages Allows to modify a module's help message.
1.25 APIGetParamDescriptionMessages Allows to modify a module's parameter descriptions.
1.25 APIHelpModifyOutput Allows to modify an API module's help output.
1.25 ApiMain::moduleManager Can be used to conditionally register API modules.
1.20 ApiMain::onException Called by ApiMain::executeActionWithErrorHandling() when an exception is thrown during API action execution.
1.28 ApiMakeParserOptions Allows extensions to adjust the parser options before parsing.
1.32 ApiMaxLagInfo Called right before giving out information about max lag in API.
1.25.0 ApiOpenSearchSuggest Called when constructing the OpenSearch results. Hooks can alter or append to the array.
1.33 ApiOptions Called by action=options before applying changes to user preferences.
1.32 ApiParseMakeOutputPage Called when preparing the OutputPage object for ApiParse. This is mainly intended for calling OutputPage::addContentOverride() or OutputPage::addContentOverrideCallback().
1.25 ApiQuery::moduleManager Called when ApiQuery has finished initialising its module manager.
1.14.0 APIQueryAfterExecute Use this hook to extend core API query modules
1.28 ApiQueryBaseAfterQuery Called for (some) API query modules after the database query has returned.
1.28 ApiQueryBaseBeforeQuery Called for (some) API query modules before a database query is made.
1.28 ApiQueryBaseProcessRow Called for (some) API query modules as each row of the database result is processed.
1.14.0 APIQueryGeneratorAfterExecute Use this hook to extend core API query modules
1.13.0 APIQueryInfoTokens (1.36 で除去) Use this hook to add custom tokens to prop=info
1.14.0 APIQueryRecentChangesTokens (1.36 で除去) Use this hook to add custom tokens to list=recentchanges
1.13.0 APIQueryRevisionsTokens (1.36 で除去) Use this hook to add custom tokens to prop=revisions
1.18 APIQuerySiteInfoGeneralInfo Used to add extra information to the SiteInfo general information output.
1.22 APIQuerySiteInfoStatisticsInfo Used to add extra information to the SiteInfo statistics information output.
1.24 ApiQueryTokensRegisterTypes Use this hook to add additional token types to action=query&meta=tokens. Note that most modules will probably be able to use the 'csrf' token instead of creating their own token types.
1.15 APIQueryUsersTokens (1.36 で除去) Use this hook to add custom token to list=users.
1.29 ApiQueryWatchlistExtractOutputData Extract row data for ApiQueryWatchlist.
1.29 ApiQueryWatchlistPrepareWatchedItemQueryServiceOptions Populate the options to be passed from ApiQueryWatchlist to WatchedItemQueryService.
1.17 ApiRsdServiceApis Add or remove APIs from the RSD services list.
1.20 ApiTokensGetTokenTypes (1.36 で除去) Use this hook to extend action=tokens with new token types.
1.29 ApiValidatePassword This will allow for checking passwords against the wiki's password.
1.23.0 AddNewAccountApiForm (1.27 で廃止予定) Allows modifying the internal login form when creating an account via the API.
1.23.0 AddNewAccountApiResult (1.27 で廃止予定) Modifies the API output when an account is created via the API.
インポート/エクスポート 1.17.0 AfterImportPage When a page import is completed
1.17.0 ImportHandleLogItemXMLTag When parsing a XML tag in a log item
1.17.0 ImportHandlePageXMLTag When parsing a XML tag in a page
1.17.0 ImportHandleRevisionXMLTag When parsing a XML tag in a page revision
1.17.0 ImportHandleToplevelXMLTag When parsing a top level XML tag
1.31 ImportHandleUnknownUser When a user doesn't exist locally, this hook is called to give extensions an opportunity to auto-create it. If the auto-creation is successful, return false.
1.17.0 ImportHandleUploadXMLTag When parsing a XML tag in a file upload
1.27 ImportLogInterwikiLink Hook to change the interwiki link used in log entries and edit summaries for transwiki imports.
1.27 ImportSources Called when reading from the $wgImportSources configuration variable.
1.16.0 ModifyExportQuery Modify the query used by the exporter.
1.15.0 WikiExporter::dumpStableQuery Get the SELECT query for "stable" revisions dumps
1.16.0 XmlDumpWriterOpenPage Called at the end of XmlDumpWriter::openPage, to allow extra metadata to be added.
1.16.0 XmlDumpWriterWriteRevision Called at the end of a revision in an XML dump, to add extra metadata.
差分 1.14 AbortDiffCache Can be used to cancel the caching of a diff
1.17 ArticleContentOnDiff Before showing the article content below a diff.
1.29 DifferenceEngineAfterLoadNewText Called in DifferenceEngine::loadNewText() after the new revision's content has been loaded into the class member variable.
1.29 DifferenceEngineLoadTextAfterNewContentIsLoaded Called in DifferenceEngine::loadText() after the new revision's content has been loaded into the class member variable $differenceEngine->mNewContent but before checking if the variable's value is null.
1.29 DifferenceEngineMarkPatrolledLink Allow extensions to change the markpatrolled link, which is shown both on the diff header as well as on the bottom of a page, usually wrapped in a ‎<span> element which has class="patrollink".
1.29 DifferenceEngineMarkPatrolledRCID Allows extensions to possibly change the rcid parameter.
1.29 DifferenceEngineNewHeader Allows extensions to change the $newHeader variable, which contains information about the new revision, such as the revision's author, whether.
1.29 DifferenceEngineOldHeaderNoOldRev Change the $oldHeader variable in cases when there is no old revision.
1.29 DifferenceEngineOldHeader Allows extensions to change the $oldHeader variable, which contains information about the old revision, such as the revision's author, whether the revision was marked as a minor edit or not, etc.
1.29 DifferenceEngineRenderRevisionAddParserOutput Allows extensions to change the parser output. Return false to not add parser output via OutputPage's addParserOutput method.
1.29 DifferenceEngineRenderRevisionShowFinalPatrolLink An extension can hook into this hook point and return false to not show the final "mark as patrolled" link on the bottom of a page.
1.29 DifferenceEngineShowDiffPageMaybeShowMissingRevision Called in DifferenceEngine::showDiffPage() when revision data cannot be loaded.
1.29 DifferenceEngineShowDiffPage Add additional output via the available OutputPage object into the diff view.
1.29 DifferenceEngineShowDiff Allows extensions to affect the diff text which eventually gets sent to the OutputPage object.
1.29 DifferenceEngineShowEmptyOldContent Allows extensions to change the diff table body (without header) in cases when there is no old revision or the old and new revisions are identical.
1.35 DifferenceEngineViewHeader Called before displaying a diff.
1.21 DiffRevisionTools (1.35 で廃止予定) Override or extend the revision tools available from the diff view, i.e. undo, etc.
1.35 DiffTools Use this hook to override or extend the revision tools available from the diff view, i.e. undo, etc.
1.7 DiffViewHeader (1.35 で廃止予定) Called before diff display.
1.25.0 GetDifferenceEngine カスタムの差分エンジン拡張として Extension:WikEdDiff などを容認。
1.21 EditPageGetDiffContent Allow modifying the wikitext that will be used in "Show changes". Note that it is preferable to implement diff handling for different data types using the ContentHandler facility.
1.15 NewDifferenceEngine Called when a new DifferenceEngine object is made.
1.32 GetSlotDiffRenderer Replace or wrap the standard SlotDiffRenderer for some content type.
1.41 TextSlotDiffRendererTablePrefix Allows to change the HTML that is included in a prefix container directly before the diff table
その他 1.19.0 AlternateUserMailer Called before mail is sent so that mail could be logged (or something else) instead of using PEAR or PHP's mail().
1.6.0 ArticleEditUpdatesDeleteFromRecentchanges (1.35 で廃止予定) Occurs before saving to the database.
1.19 BacklinkCacheGetConditions Allows to set conditions for query when links to certain title.
1.19 BacklinkCacheGetPrefix Allows to set prefix for a spefific link table.
1.16 BeforeInitialize Occurs before anything is initialised in MediaWiki::performRequest().
1.36 BeforeRevertedTagUpdate This hook is called before scheduling a RevertedTagUpdateJob.
1.21.0 CategoryAfterPageAdded Called after a page is added to a category
1.21.0 CategoryAfterPageRemoved Called after a page is removed from a category
1.19.0 Collation::factory Allows extensions to register new collation names, to be used with $wgCategoryCollation
1.8.0 DisplayOldSubtitle Allows extensions to modify the displaying of links to other revisions when browsing through revisions.
1.17 ExtensionTypes Called when generating the extensions credits, use this to change the tables headers.
1.37 GetActionName Use this hook to override the action name depending on request parameters.
1.13 GetCacheVaryCookies Get cookies that should vary cache options.
1.18 GetCanonicalURL Allows to modify fully-qualified URLs used for IRC and e-mail notifications.
1.18.0 GetDefaultSortkey Allows to override what the default sortkey is, which is used to order pages in a category.
1.21.0 GetDoubleUnderscoreIDs Hook for modifying the list of magic words
1.6.0 GetFullURL Used to modify fully-qualified URLs used in redirects/export/offsite data
1.6.0 GetInternalURL Used to modify fully-qualified URLs (useful for squid cache purging)
1.17 GetIP Modify the ip of the current user (called only once).
1.6.0 GetLocalURL Used to modify local URLs as output into page links
1.19 GetLocalURL::Article Allows to modify local URLs specifically pointing to article paths without any fancy queries or variants.
1.19 GetLocalURL::Internal Allows to modify local URLs to internal pages.
1.35 GetMagicVariableIDs Use this hook to modify the list of magic variables.
1.35 HtmlCacheUpdaterAppendUrls This hook is used to declare extra URLs to purge from HTTP caches.
1.35 HtmlCacheUpdaterVaryUrls This hook is used to add variants of URLs to purge from HTTP caches.
1.20 InfoAction When building information to display on the action=info page.
1.13 InitializeArticleMaybeRedirect Called when checking if title is a redirect.
1.18 InterwikiLoadPrefix (1.36 で廃止予定) This hook is called when resolving whether a given prefix is an interwiki or not.
1.18 IRCLineURL When constructing the URL to use in an IRC notification.
1.19 Language::getMessagesFileName Use to change the path of a localisation file.
1.18 LanguageGetTranslatedLanguageNames Provide translated language names.
1.22.0 LanguageLinks Manipulate a page's language links.
1.14.0 LinkBegin (1.36 で除去) Used when generating internal and interwiki links in Linker::link()
1.14.0 LinkEnd (1.36 で除去) Used when generating internal and interwiki links in Linker::link(), just before the function returns a value.
1.12 LinksUpdate At the beginning of LinksUpdate::doUpdate() just before the actual update.
1.21 LinksUpdateAfterInsert Occurs right after new links have been inserted into the links table.
1.12 LinksUpdateComplete At the end of LinksUpdate::doUpdate() when updating has completed.
1.11 LinksUpdateConstructed At the end of LinksUpdate() is construction.
1.10.1 LoadExtensionSchemaUpdates Fired when MediaWiki is updated to allow extensions to register updates for the database schema.
1.24 LocalisationCacheRecacheFallback Called for each language when merging fallback data into the cache.
1.16 LocalisationCacheRecache Called when loading the localisation data into cache.
1.23 LocalisationChecksBlacklist When fetching the blacklist of localisation checks.
1.24 LocalisationIgnoredOptionalMessages args = array &$ignoredMessageKeys, array &$optionalMessageKeys
1.6.0 MagicWordwgVariableIDs (1.35 で廃止予定) Tells MediaWiki that one or more magic word IDs should be treated as variables.
1.18 MaintenanceRefreshLinksInit Before executing the refreshLinks.php maintenance script.
1.33 MaintenanceUpdateAddParams Allow extensions to add params to the update.php maintenance script.
1.23 MathMLChanged Is called before the MathML property is changed can be used e.g. for compression, normalisation or introduction of custom hyperlinks etc.
1.12.0 MediaWikiPerformAction Override MediaWiki::performAction()
1.32 MediaWikiPHPUnitTest::endTest Occurs when a MediaWiki PHPUnit test has ended.
1.32 MediaWikiPHPUnitTest::startTest Occurs when a MediaWiki PHPUnit test has started.
1.27.0 MediaWikiServices Called when a global MediaWikiServices instance is initialised.
1.23 MessageCache::get Allows changing a message key, to customise it before the translation is accessed.
1.41 MessageCacheFetchOverrides Allows changing message keys, to customise it before the translation is accessed
1.15 MessageCacheReplace When a message page is changed. Useful for updating caches.
1.5.7 MessagesPreLoad Occurs when loading a message from the database
1.24 MimeMagicGuessFromContent Allows MW extensions guess the MIME by content.
1.24 MimeMagicImproveFromExtension Allows MW extensions to further improve the MIME type detected by considering the file extension.
1.24 MimeMagicInit Before processing the list mapping MIME types to media types and the list mapping MIME types to file extensions. As an extension author, you are encouraged to submit patches to MediaWiki's core to add new MIME types to mime.types.
1.13 OpenSearchUrls Called when constructing the OpenSearch description XML. Hooks can alter or append to the array of URLs for search & suggestion formats.
1.25 OpportunisticLinksUpdate Allows performing updates when a page is re-rendered.
1.20 ParserTestGlobals Allows to define globals for parser tests.
1.6.0 ParserTestParser Called when creating a new instance of Parser for parser tests
1.10 ParserTestTables (1.36 で廃止予定) Alter the list of tables to duplicate when parser tests are run. Use when page save hooks require the presence of custom tables to ensure that tests continue to run properly.
1.12 PrefixSearchBackend (1.27 で廃止予定) Override the title prefix search used for OpenSearch and AJAX search suggestions.
1.25 PrefixSearchExtractNamespace Called if core was not able to extract a namespace from the search string so that extensions can attempt it.
1.10 RawPageViewBeforeOutput Called before displaying a page with action=raw. Returns true if display is allowed, false if display is not allowed.
1.30 RecentChangesPurgeRows Called when old recentchanges rows are purged, after deleting those rows but within the same transaction.
1.27 RequestHasSameOriginSecurity Called to determine if the request is somehow flagged to lack same-origin security.
1.8.0 RecentChange_save Called after a "Recent Change" is committed to the DB
1.16 SearchableNamespaces An option to modify which namespaces are searchable.
1.21 SearchAfterNoDirectMatch If there was no match for the exact result. This runs before lettercase variants are attempted, whereas SearchGetNearMatch runs after.
1.28 SearchDataForIndex Allows to provide custom content fields when indexing a document.
1.40 SearchDataForIndex2 Allows to provide custom content fields when indexing a document.
1.16 SearchGetNearMatchBefore Perform exact-title-matches in "go" searches before the normal operations.
1.16 SearchGetNearMatchComplete A chance to modify exact-title-matches in "go" searches.
1.12 SearchGetNearMatch An extra chance for exact-title-matches in "go" searches.
1.28 SearchIndexFields Add fields to search index mapping.
1.20 SearchResultInitFromTitle Set the revision used when displaying a page in search results.
1.35 SearchResultProvideDescription Called when generating search results in order to fill the "description" field in an extension.
1.35 SearchResultProvideThumbnail This hook is called when generating search results in order to fill the thumbnail field in an extension.
1.28 SearchResultsAugment Allows extension to add its code to the list of search result augmentors.
1.25 SecondaryDataUpdates (1.32 で廃止予定) Allows modification of the list of DataUpdates to perform when page content is modified.
1.24 SelfLinkBegin Called when rendering a self link on a page.
1.23 SendWatchlistEmailNotification Can be used to cancel watchlist email notifications (enotifwatchlist) for an edit.
1.14 SetupAfterCache Called in Setup.php, after cache objects are set.
1.15 SoftwareInfo Called by Special:Version for returning information about the software.
1.18 TestCanonicalRedirect Called when about to force a redirect to a canonical URL for a title when we have no other parameters on the URL.
1.22.0 TitleSquidURLs HTTP PURGE 要求を送信するため URL 類の改変/代用を提供。
1.30.0 UnitTestsAfterDatabaseSetup MediaWiki のテスト用インフラ がユニットテストに向けてコアテーブルの作成/複写を完了した直後に呼び出し。
1.30.0 UnitTestsBeforeDatabaseTeardown MediaWiki のテスト用インフラ がユニットテストに向けてテーブルを破棄する直前に呼び出し。
1.17.0 UnitTestsList ユニットテスト一式の一部として実行するテストを追加。
1.24.0 UserMailerChangeReturnPath UserMailer がメールを送信すると VERP 返信アドレス生成のため、バウンス処理拡張を 経由して呼び出し。
1.29 WatchedItemQueryServiceExtensions Add a WatchedItemQueryServiceExtension.
1.19 WebRequestPathInfoRouter While building the PathRouter to parse the REQUEST_URI.
1.22 WebResponseSetCookie Use to modify the cookie being set from WebResponse::setcookie().
1.20 wfShellWikiCmd Called when generating a shell-escaped command line string to run a cli script.
1.6.0 wgQueryPages 特別ページで QueryPage クラスを拡張するものを対象に走る (QueryPage.php ファイルが存在するとき)。 It is only useful in maintenance/updateSpecialPages.php and in QueryPage Api.


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