This is a list of known events and parameters; please add to it if you're going
to add events to the MediaWiki code.
+'AbortAutoAccount': Return false to cancel automated local account creation, where normally authentication against an external auth plugin would be creating a local account.
+$user: the User object about to be created (read-only, incomplete)
+&$abortMsg: out parameter: name of error message to be displayed to user
+
'AbortAutoblock': Return false to cancel an autoblock.
$autoblockip: The IP going to be autoblocked.
$block: The block from which the autoblock is coming.
&$retval: a LoginForm class constant to return from authenticateUserData();
default is LoginForm::ABORTED. Note that the client may be using
a machine API rather than the HTML user interface.
+&$msg: the message identifier for abort reason (new in 1.18, not available before 1.18)
'AbortMove': allows to abort moving an article (title)
$old: old title
$err: error message
$reason: the reason for the move (added in 1.13)
-'AbortNewAccount': Return false to cancel account creation.
+'AbortNewAccount': Return false to cancel explicit account creation.
$user: the User object about to be created (read-only, incomplete)
-$message: out parameter: error message to display on abort
+&$msg: out parameter: name of error message to display on abort
+
+'ActionBeforeFormDisplay': before executing the HTMLForm object
+$name: name of the action
+&$form: HTMLForm object
+$article: Article object
+
+'ActionModifyFormFields': before creating an HTMLForm object for a page action;
+ allows to change the fields on the form that will be generated
+$name: name of the action
+&$fields: HTMLForm descriptor array
+$article: Article object
'AddNewAccount': after a user account is created
$user: the User object that was created. (Parameter added in 1.7)
$sRevCount: Number of sucessfully imported revisions
$pageInfo: associative array of page information
-'AfterUserMessage': After a user message has been left, this hook is
-called to take care of any cleanup.
-$user: The user who we left the message for.
-$article: The article the message was left on.
-$subject: The subject of the message
-$text: The text of the message.
-$signature: The signature we used.
-$summary: The edit summary.
-$editor: The editor that performed the edit.
-
'AjaxAddScript': Called in output page just before the initialisation
of the javascript ajax engine. The hook is only called when ajax
is enabled ( $wgUseAjax = true; ).
on &action=edit.
$EditPage: the EditPage object
+'AlternateUserMailer': Called before mail is sent so that mail could
+be logged (or something else) instead of using PEAR or PHP's mail().
+Return false to skip the regular method of sending mail. Return a
+string to return a php-mail-error message containing the error.
+Returning true will continue with sending email in the regular way.
+$headers: Associative array of headers for the email
+$to: MailAddress object or array
+$from: From address
+$subject: Subject of the email
+$body: Body of the message
+
'APIAfterExecute': after calling the execute() method of an API module.
Use this to extend core API modules.
&$module: Module object
$tokenFunctions array and return true (returning false makes no sense)
$tokenFunctions: array(action => callback)
+'APIQuerySiteInfoGeneralInfo': use this hook to add extra information to
+the sites general information.
+$module: the current ApiQuerySiteInfo module
+&$results: array of results, add things here
+
'APIQueryUsersTokens': use this hook to add custom token to list=users.
Every token has an action, which will be used in the ustoken parameter
and in the output (actiontoken="..."), and a callback function which
$output: the OutputPage object ($wgOut)
'ArticleDelete': before an article is deleted
-$article: the article (object) being deleted
+$article: the WikiPage (object) being deleted
$user: the user (object) deleting the article
$reason: the reason (string) the article is being deleted
$error: if the deletion was prohibited, the (raw HTML) error message to display
(added in 1.13)
'ArticleDeleteComplete': after an article is deleted
-$article: the article that was deleted
+$article: the WikiPage that was deleted
$user: the user that deleted the article
$reason: the reason the article was deleted
$id: id of the article that was deleted
'ArticleEditUpdateNewTalk': before updating user_newtalk when a user talk page
was changed
-$article: article (object) of the user talk page
+$article: WikiPage (object) of the user talk page
'ArticleEditUpdates': when edit updates (mainly link tracking) are made when an
article has been changed
-$article: the article (object)
+$article: the WikiPage (object)
$editInfo: data holder that includes the parser output ($editInfo->output) for
that page after the change
$changed: bool for if the page was changed
'ArticleEditUpdatesDeleteFromRecentchanges': before deleting old entries from
recentchanges table, return false to not delete old entries
-$article: article (object) being modified
+$article: WikiPage (object) being modified
'ArticleFromTitle': when creating an article object from a title object using
Wiki::articleFromTitle()
$article: article (object) that will be returned
'ArticleInsertComplete': After a new article is created
-$article: Article created
+$article: WikiPage created
$user: User creating the article
$text: New content
$summary: Edit summary/comment
$destTitle: destination title (object)
'ArticlePageDataAfter': after loading data of an article from the database
-$article: article (object) whose data were loaded
+$article: WikiPage (object) whose data were loaded
$row: row (object) returned from the database server
'ArticlePageDataBefore': before loading data of an article from the database
-$article: article (object) that data will be loaded
+$article: WikiPage (object) that data will be loaded
$fields: fileds (array) to load from the database
'ArticlePrepareTextForEdit': called when preparing text to be saved
-$article: the article being saved
+$article: the WikiPage being saved
$popts: parser options to be used for pre-save transformation
'ArticleProtect': before an article is protected
-$article: the article being protected
+$article: the WikiPage being protected
$user: the user doing the protection
$protect: boolean whether this is a protect or an unprotect
$reason: Reason for protect
$moveonly: boolean whether this is for move only or not
'ArticleProtectComplete': after an article is protected
-$article: the article that was protected
+$article: the WikiPage that was protected
$user: the user who did the protection
$protect: boolean whether it was a protect or an unprotect
$reason: Reason for protect
$moveonly: boolean whether it was for move only or not
'ArticlePurge': before executing "&action=purge"
-$article: article (object) to purge
+$article: WikiPage (object) to purge
'ArticleRevisionVisibilitySet': called when changing visibility of one or more
revision of an article
$oldPageID: the page ID of the revision when archived (may be null)
'ArticleRollbackComplete': after an article rollback is completed
-$article: the article that was edited
+$article: the WikiPage that was edited
$user: the user who did the rollback
$revision: the revision the page was reverted back to
$current: the reverted revision
'ArticleSave': before an article is saved
-$article: the article (object) being saved
+$article: the WikiPage (object) being saved
$user: the user (object) saving the article
$text: the new article text
$summary: the article summary (comment)
$section: section #
'ArticleSaveComplete': After an article has been updated
-$article: Article modified
+$article: WikiPage modified
$user: User performing the modification
$text: New content
$summary: Edit summary/comment
follwed an redirect
$article: target article (object)
+'ArticleViewCustom': allows to output the text of the article in a different format than wikitext
+$text: text of the page
+$title: title of the page
+$output: reference to $wgOut
+
'AuthPluginAutoCreate': Called when creating a local account for an user logged
in from an external authentication method
$user: User object created locally
$user: user
$result: result of checking autopromote condition
+'BacklinkCacheGetPrefix': allows to set prefix for a spefific link table
+$table: table name
+&$prefix: prefix
+
+'BacklinkCacheGetConditions': allows to set conditions for query when links to certain title
+are fetched
+$table: table name
+$title: title of the page to which backlinks are sought
+&$conds: query conditions
+
'BadImage': When checking against the bad image list
$name: Image name being checked
&$bad: Whether or not the image is "bad"
Change $bad and return false to override. If an image is "bad", it is not
rendered inline in wiki pages or galleries in category pages.
-'BeforeGalleryFindFile': before an image is fetched for a gallery
-&$gallery,: the gallery object
-&$nt: the image title
-&$time: image timestamp
-
'BeforeInitialize': before anything is initialized in performRequestForTitle()
&$title: Title being used for request
&$article: The associated Article object
&$out: OutputPage object
&$skin: Skin object
+'BeforeParserFetchFileAndTitle': before an image is rendered by Parser
+$parser: Parser object
+$nt: the image title
+&$time: the image timestamp (use '0' to force a broken thumbnail)
+&$sha1: image base 36 sha1 (used to specify the file, $nt will be ignored if this is set)
+&$descQuery: query string to add to thumbnail URL
+
'BeforeParserFetchTemplateAndtitle': before a template is fetched by Parser
-&$parser: Parser object
-&$title: title of the template
+$parser: Parser object
+$title: title of the template
&$skip: skip this template and link it?
&$id: the id of the revision being parsed
-'BeforeParserMakeImageLinkObj': before an image is rendered by Parser
-&$parser: Parser object
-&$nt: the image title
-&$skip: skip this image and link it?
-&$time: the image timestamp
-
'BeforeParserrenderImageGallery': before an image gallery is rendered by Parser
&$parser: Parser object
&$ig: ImageGallery object
+'BeforeWelcomeCreation': before the welcomecreation message is displayed to a newly created user
+&$welcome_creation_msg: MediaWiki message name to display on the welcome screen to a newly created user account
+&$injected_html: Any HTML to inject after the "logged in" message of a newly created user account
+
+'BitmapHandlerTransform': before a file is transformed, gives extension the
+possibility to transform it themselves
+$handler: BitmapHandler
+$image: File
+&$scalerParams: Array with scaler parameters
+&$mto: null, set to a MediaTransformOutput
+
+'PerformRetroactiveAutoblock': called before a retroactive autoblock is applied to a user
+$block: Block object (which is set to be autoblocking)
+&$blockIds: Array of block IDs of the autoblock
+
'BlockIp': before an IP address or user is blocked
$block: the Block object about to be saved
$user: the user _doing_ the block (not the one being blocked)
$unpatrolled: Whether or not we are showing unpatrolled changes.
$watched: Whether or not the change is watched by the user.
+'Collation::factory': Called if $wgCategoryCollation is an unknown collation
+$collationName: Name of the collation in question
+&$collationObject: Null. Replace with a subclass of the Collation class that implements
+the collation given in $collationName.
+
'ConfirmEmailComplete': Called after a user's email has been confirmed successfully
$user: user (object) whose email is being confirmed
'ContribsPager::getQueryInfo': Before the contributions query is about to run
&$pager: Pager object for contributions
-&queryInfo: The query for the contribs Pager
+&$queryInfo: The query for the contribs Pager
'ContributionsLineEnding': Called before a contributions HTML line is finished
$page: SpecialPage object for contributions
'DatabaseOraclePostInit': Called after initialising an Oracle database
&$db: the DatabaseOracle object
+'Debug': called when outputting a debug log line via wfDebug() or wfDebugLog()
+$text: plaintext string to be output
+$group: null or a string naming a logging group (as defined in $wgDebugLogGroups)
+
'NewDifferenceEngine': Called when a new DifferenceEngine object is made
$title: the diff page title (nullable)
&$oldId: the actual old Id to use in the diff
$editPage: EditPage object
'EditPage::attemptSave': called before an article is
-saved, that is before insertNewArticle() is called
+saved, that is before Article::doEdit() is called
$editpage_Obj: the current EditPage object
'EditPage::importFormData': allow extensions to read additional data
$editToken: The user's edit token.
&$hookErr: Out-param for the error. Passed as the parameters to OutputPage::showErrorPage.
+'exemptFromAccountCreationThrottle': Exemption from the account creation throttle
+$ip: The ip address of the user
+
+'ExtensionTypes': called when generating the extensions credits, use this to change the tables headers
+&$extTypes: associative array of extensions types
+
'FetchChangesList': When fetching the ChangesList derivative for
a particular user
-&$user: User the list is being fetched for
+$user: User the list is being fetched for
&$skin: Skin object to be used with the list
&$list: List object (defaults to NULL, change it to an object
instance and return false override the list derivative used)
$user: user who performed the undeletion
$reason: reason
-'FormatUserMessage': Hook to format a message if you want to override
-the internal formatter.
-$subject: Title of the message.
-&$text: Text of the message.
-$signature: Signature that they would like to leave.
-
'GetAutoPromoteGroups': When determining which autopromote groups a user
is entitled to be in.
&$user: user to promote.
&$cookies: array of cookies name, add a value to it if you want to add a cookie
that have to vary cache options
+'GetCanonicalURL': modify fully-qualified URLs used for IRC and e-mail notifications
+$title: Title object of page
+$url: string value as output (out parameter, can modify)
+$query: query options passed to Title::getCanonicalURL()
+
+'GetDefaultSortkey': Override the default sortkey for a page.
+$title: Title object that we need to get a sortkey for
+&$sortkey: Sortkey to use.
+
'GetFullURL': modify fully-qualified URLs used in redirects/export/offsite data
$title: Title object of page
$url: string value as output (out parameter, can modify)
indexed by page_id.
&$colours: (output) array of CSS classes, indexed by prefixed DB keys
-'GetLocalURL': modify local URLs as output into page links
+'GetLocalURL': modify local URLs as output into page links. Note that if you
+ are working with internal urls (non-interwiki) then it may be preferable
+ to work with the GetLocalURL::Internal or GetLocalURL::Article hooks as
+ GetLocalURL can be buggy for internal urls on render if you do not
+ re-implement the horrible hack that Title::getLocalURL uses
+ in your own extension.
$title: Title object of page
-$url: string value as output (out parameter, can modify)
+&$url: string value as output (out parameter, can modify)
$query: query options passed to Title::getLocalURL()
+$variant: variant options passed to Title::getLocalURL()
+
+'GetLocalURL::Internal': modify local URLs to internal pages.
+$title: Title object of page
+&$url: string value as output (out parameter, can modify)
+$query: query options passed to Title::getLocalURL()
+$variant: variant options passed to Title::getLocalURL()
+
+'GetLocalURL::Article': modify local URLs specifically pointing to article paths
+ without any fancy queries or variants.
+$title: Title object of page
+&$url: string value as output (out parameter, can modify)
+
+'GetMetadataVersion': modify the image metadata version currently in use. This is
+ used when requesting image metadata from a ForiegnApiRepo. Media handlers
+ that need to have versioned metadata should add an element to the end of
+ the version array of the form 'handler_name=version'. Most media handlers
+ won't need to do this unless they broke backwards compatibility with a
+ previous version of the media handler metadata output.
+&$version: Array of version strings
'GetPreferences': modify user preferences
$user: User whose preferences are being modified.
$target: Title/string of redirect target
$article: Article object
+'InterwikiLoadPrefix': When resolving if a given prefix is an interwiki or not.
+Return true without providing an interwiki to continue interwiki search.
+$prefix: interwiki prefix we are looking for.
+&$iwData: output array describing the interwiki with keys iw_url, iw_local,
+ iw_trans and optionally iw_api and iw_wikiid.
+
'InternalParseBeforeLinks': during Parser's internalParse method before links
but after noinclude/includeonly/onlyinclude and other processing.
&$parser: Parser object
'InvalidateEmailComplete': Called after a user's email has been invalidated successfully
$user: user (object) whose email is being invalidated
+'IRCLineURL': When constructing the URL to use in an IRC notification.
+Callee may modify $url and $query, URL will be constructed as $url . $query
+&$url: URL to index.php
+&$query: Query string
+
'IsFileCacheable': Override the result of Article::isFileCacheable() (if true)
$article: article (object) being checked
expected meanings of parameters.
$skin: the Skin object
$target: the Title that the link is pointing to
-&$text: the contents that the <a> tag should have (raw HTML); null means "de-
+&$html: the contents that the <a> tag should have (raw HTML); null means "de-
fault"
&$customAttribs: the HTML attributes that the <a> tag should have, in associa-
tive array form, with keys and values unescaped. Should be merged with de-
'LinkEnd': Used when generating internal and interwiki links in Linker::link(),
just before the function returns a value. If you return true, an <a> element
-with HTML attributes $attribs and contents $text will be returned. If you re-
+with HTML attributes $attribs and contents $html will be returned. If you re-
turn false, $ret will be returned.
$skin: the Skin object
$target: the Title object that the link is pointing to
$options: the options. Will always include either 'known' or 'broken', and may
include 'noclasses'.
-&$text: the final (raw HTML) contents of the <a> tag, after processing.
+&$html: the final (raw HTML) contents of the <a> tag, after processing.
&$attribs: the final HTML attributes of the <a> tag, after processing, in asso-
ciative array form.
&$ret: the value to return if your hook returns false.
&$revert: string that is displayed in the UI, similar to $comment.
$time: timestamp of the log entry (added in 1.12)
-'LogPageValidTypes': action being logged.
-DEPRECATED: Use $wgLogTypes
-&$type: array of strings
-
-'LogPageLogName': name of the logging page(s).
-DEPRECATED: Use $wgLogNames
-&$typeText: array of strings
-
-'LogPageLogHeader': strings used by wfMsg as a header.
-DEPRECATED: Use $wgLogHeaders
-&$headerText: array of strings
-
-'LogPageActionText': strings used by wfMsg as a header.
-DEPRECATED: Use $wgLogActions
-&$actionText: array of strings
+'MaintenanceRefreshLinksInit': before executing the refreshLinks.php maintenance script
+$refreshLinks: RefreshLinks object
'MagicWordMagicWords': When defining new magic word.
DEPRECATED: use $magicWords in a file listed in
'MakeGlobalVariablesScript': called right before Skin::makeVariablesScript
is executed. Ideally, this hook should only be used to add variables that
depend on the current page/request; static configuration should be added
-through ResourceLoaderConfigVars instead.
+through ResourceLoaderGetConfigVars instead.
&$vars: variable (or multiple variables) to be added into the output
of Skin::makeVariablesScript
$wcOnlySysopsCanPatrol: config setting indicating whether the user
must be a sysop to patrol the edit
-'MathAfterTexvc': after texvc is executed when rendering mathematics
-$mathRenderer: instance of MathRenderer
-$errmsg: error message, in HTML (string). Nonempty indicates failure
- of rendering the formula
-
'MediaWikiPerformAction': Override MediaWiki::performAction().
Use this to do something completely different, after the basic
globals have been set up, but before ordinary actions take place.
'NewRevisionFromEditComplete': called when a revision was inserted
due to an edit
-$article: the article edited
+$article: the WikiPage edited
$rev: the new revision
$baseID: the revision ID this was based off, if any
$user: the editing user
$links: array, intended to hold the result. Must be an associative array with
category types as keys and arrays of HTML links as values.
+'PageContentLanguage': allows changing the language in which the content of
+a page is written. Defaults to the wiki content language ($wgContLang).
+$title: Title object
+&$pageLang: the page content language (either an object or a language code)
+$wgLang: the user language
+
'PageHistoryBeforeList': When a history page list is about to be constructed.
$article: the article that the history is loading for
$file: file object that will be used to create the image
&$params: 2-D array of parameters
+'ParserSectionCreate': Called each time the parser creates a document section
+from wikitext. Use this to apply per-section modifications to HTML (like
+wrapping the section in a DIV). Caveat: DIVs are valid wikitext, and a DIV
+can begin in one section and end in another. Make sure your code can handle
+that case gracefully. See the EditSectionClearerLink extension for an
+example.
+$parser: the calling Parser instance
+$section: the section number, zero-based, but section 0 is usually empty
+&$sectionContent: ref to the content of the section. modify this.
+$showEditLinks: boolean describing whether this section has an edit link
+
'ParserTestParser': called when creating a new instance of Parser in
maintenance/parserTests.inc
$parser: Parser object created
loader request or generating HTML output.
&$resourceLoader: ResourceLoader object
+'ResourceLoaderGetStartupModules': Run once the startup module is being generated. This allows you
+to add modules to the startup module. This hook should be used sparingly since any module added here
+will be loaded on all pages. This hook is useful if you want to make code available to module loader
+scripts.
+
'RawPageViewBeforeOutput': Right before the text is blown out in action=raw
&$obj: RawPage object
&$text: The text that's going to be the output
'RecentChange_save': called at the end of RecentChange::save()
$recentChange: RecentChange object
-'ResourceLoaderConfigVars': called at the end of
+'ResourceLoaderGetConfigVars': called at the end of
ResourceLoaderStartUpModule::getConfig(). Use this to export static
configuration variables to JavaScript. Things that depend on the current
page/request state must be added through MakeGlobalVariablesScript instead.
'SetupAfterCache': Called in Setup.php, after cache objects are set
-'SetupUserMessageArticle': Called in User::leaveUserMessage() before
-anything has been posted to the article.
-$user: The user who we left the message for.
-&$article: The article that will be posted to.
-$subject: The subject of the message
-$text: The text of the message.
-$signature: The signature we used.
-$summary: The edit summary.
-$editor: The editor that performed the edit.
-
'ShowMissingArticle': Called when generating the output for a non-existent page
$article: The article object corresponding to the page
'SiteNoticeBefore': Before the sitenotice/anonnotice is composed
&$siteNotice: HTML returned as the sitenotice
+$skin: Skin object
Return true to allow the normal method of notice selection/rendering to work,
or change the value of $siteNotice and return false to alter it.
'SiteNoticeAfter': After the sitenotice/anonnotice is composed
&$siteNotice: HTML sitenotice
+$skin: Skin object
Alter the contents of $siteNotice to add to/alter the sitenotice/anonnotice.
'SkinAfterBottomScripts': At the end of Skin::bottomScripts()
'SkinSubPageSubtitle': At the beginning of Skin::subPageSubtitle()
&$subpages: Subpage links HTML
$skin: Skin object
+$out: OutputPage object
If false is returned $subpages will be used instead of the HTML
subPageSubtitle() generates.
If true is returned, $subpages will be ignored and the rest of
$sktemplate: SkinTemplate object
$res: set to true to prevent active tabs
-'SkinTemplateSetupPageCss': use this to provide per-page CSS
-$out: Css to return
-
'SkinTemplateTabAction': Override SkinTemplate::tabAction().
You can either create your own array, or alter the parameters for
the normal one.
&$special: NewPagesPager object (subclass of ReverseChronologicalPager)
$opts: FormOptions object containing special page options
&$conds: array of WHERE conditionals for query
+&tables: array of tables to be queried
+&$fields: array of columns to select
+&$join_conds: join conditions for the tables
+
+'SpecialNewPagesFilters': called after building form options at NewPages
+$special: the special page object
+&$filters: associative array of filter definitions. The keys are the HTML name/URL parameters.
+Each key maps to an associative array with a 'msg' (message key) and a 'default' value.
'SpecialPage_initList': called when setting up SpecialPage::$mList, use this
hook to remove a core special page
$list: list (array) of core special pages
+'SpecialPasswordResetOnSubmit': when executing a form submission on Special:PasswordReset
+$users: array of User objects
+$data: array of data submitted by the user
+&$error: string, error code (message name) used to describe to error (out paramater).
+ The hook needs to return false when setting this, otherwise it will have no effect.
+
'SpecialRandomGetRandomTitle': called during the execution of Special:Random,
use this to change some selection criteria or substitute a different title
&$randstr: The random number from wfRandom()
&$title: If the hook returns false, a Title object to use instead of the
result from the normal query
+'SpecialRecentChangesFilters': called after building form options at RecentChanges
+$special: the special page object
+&$filters: associative array of filter definitions. The keys are the HTML name/URL parameters.
+Each key maps to an associative array with a 'msg' (message key) and a 'default' value.
+
'SpecialRecentChangesPanel': called when building form options in
SpecialRecentChanges
&$extraOpts: array of added items, to which can be added
&$join_conds: join conditions for the tables
$opts: FormOptions for this request
&$query_options: array of options for the database request
-&$select: String '*' or array of columns to select
+&$select: Array of columns to select
'SpecialSearchGo': called when user clicked the "Go"
&$title: title object generated from the text entered by the user
'SpecialSearchProfiles': allows modification of search profiles
&$profiles: profiles, which can be modified.
+'SpecialSearchProfileForm': allows modification of search profile forms
+$search: special page object
+&$form: String: form html
+$profile: String: current search profile
+$term: String: search term
+$opts: Array: key => value of hidden options for inclusion in custom forms
+
+'SpecialSearchSetupEngine': allows passing custom data to search engine
+$search: special page object
+$profile: String: current search profile
+$engine: the search engine
+
'SpecialSearchResults': called before search result display when there
are matches
$term: string of search term
use this to change the tables headers
$extTypes: associative array of extensions types
+'SpecialWatchlistFilters': called after building form options at Watchlist
+$special: the special page object
+&$filters: associative array of filter definitions. The keys are the HTML name/URL parameters.
+Each key maps to an associative array with a 'msg' (message key) and a 'default' value.
+
'SpecialWatchlistQuery': called when building sql query for SpecialWatchlist
&$conds: array of WHERE conditionals for query
&$tables: array of tables to be queried
$title: The title in question.
&$types: The types of protection available.
+'TitleIsCssOrJsPage': Called when determining if a page is a CSS or JS page
+$title: Title object that is being checked
+$result: Boolean; whether MediaWiki currently thinks this is a CSS/JS page. Hooks may change this value to override the return value of Title::isCssOrJsPage()
+
+'TitleIsWikitextPage': Called when determining if a page is a wikitext or should
+be handled by seperate handler (via ArticleViewCustom)
+$title: Title object that is being checked
+$result: Boolean; whether MediaWiki currently thinks this is a wikitext page. Hooks may change this value to override the return value of Title::isWikitextPage()
+
'TitleMoveComplete': after moving an article (title)
$old: old title
$nt: new title
$pageid: database ID of the page that's been moved
$redirid: database ID of the created redirect
+'UndeleteForm::showHistory': called in UndeleteForm::showHistory, after a
+PageArchive object has been created but before any further processing is done.
+&$archive: PageArchive object
+$title: Title object of the page that we're viewing
+
+'UndeleteForm::showRevision': called in UndeleteForm::showRevision, after a
+PageArchive object has been created but before any further processing is done.
+&$archive: PageArchive object
+$title: Title object of the page that we're viewing
+
+'UndeleteForm::undelete': called un UndeleteForm::undelete, after checking that
+the site is not in read-only mode, that the Title object is not null and after
+a PageArchive object has been constructed but before performing any further
+processing.
+&$archive: PageArchive object
+$title: Title object of the page that we're about to undelete
+
'UndeleteShowRevision': called when showing a revision in Special:Undelete
$title: title object related to the revision
$rev: revision (object) that will be viewed
$ip: IP of the user who sent the message out
$u: the account whose new password will be set
+'UserAddGroup': called when adding a group; return false to override
+stock group addition.
+$user: the user object that is to have a group added
+&$group: the group to add, can be modified
+
'UserArrayFromResult': called when creating an UserArray object from a
database result
&$userArray: set this to an object to override the default object returned
'UserGetImplicitGroups': Called in User::getImplicitGroups()
&$groups: List of implicit (automatically-assigned) groups
+'UserGetLanguageObject': Called when getting user's interface language object
+$user: User object
+&$code: Langauge code that will be used to create the object
+
'UserGetReservedNames': allows to modify $wgReservedUsernames at run time
&$reservedUsernames: $wgReservedUsernames
'UserLoginForm': change to manipulate the login form
$template: SimpleTemplate instance for the form
-'UserLoginMailPassword': Block users from emailing passwords
-$name: the username to email the password of.
-&$error: out-param - the error message to return.
-
'UserLogout': before a user logs out
$user: the user object that is about to be logged out
$inject_html: Any HTML to inject after the "logged out" message.
$oldName: name of the user before logout (string)
+'UserRemoveGroup': called when removing a group; return false to override
+stock group removal.
+$user: the user object that is to have a group removed
+&$group: the group to be removed, can be modified
+
'UserRights': After a user's group memberships are changed
$user : User object that was changed
$add : Array of strings corresponding to groups added
$redirect: whether the page is a redirect
$skin: Skin object
+'WebRequestGetPathInfoRequestURI': while extracting path info from REQUEST_URI.
+ Allows an extension to extend the extraction of titles from paths.
+ Implementing hooks should follow the pattern used in core:
+ * Use the `$matches = WebRequest::extractTitle` pattern
+ * Ensure that you test `if ( !$matches ) {` before you try extracting a title
+ from the path so that you don't override an already found match.
+$path: The request path to extract a title from.
+&$matches: The array to apply matches to.
+
'WikiExporter::dumpStableQuery': Get the SELECT query for "stable" revisions
dumps
One, and only one hook should set this, and return false.
$row: The database row for the revision.
$text: The revision text.
+'XMPGetInfo': Called when obtaining the list of XMP tags to extract. Can be used to add
+ additional tags to extract.
+&$items: Array containing information on which items to extract. See XMPInfo for details on the format.
+
+'XMPGetResults': Called just before returning the results array of parsing xmp data. Can be
+ used to post-process the results.
+&$data: Array of metadata sections (such as $data['xmp-general']) each section is an array of
+ metadata tags returned (each tag is either a value, or an array of values).
+
More hooks might be available but undocumented, you can execute
./maintenance/findhooks.php to find hidden one.