Redirect from Special:Diff/### to index.php?diff=### and from Special:Diff/###/### to index.php?oldid=###&diff=###. More...

Inherits RedirectSpecialPage.

Collaboration diagram for SpecialDiff:

[legend]

Public Member Functions
	__construct ()

	getDescription ()
	Returns the name that goes in the \<h1\> in the special page itself, and also the name that will be listed in Special:Specialpages.

	getName ()
	Get the name of this Special Page.

	getRedirect ( $subpage)

	isListed ()
	Whether this special page is listed in Special:SpecialPages.

	onFormSubmit ( $formData)

Public Member Functions inherited from RedirectSpecialPage
	execute ( $subpage)

	getRedirectQuery ( $subpage)
	Return part of the request string for a special redirect page This allows passing, e.g.

	personallyIdentifiableTarget ()
	Indicate if the target of this redirect can be used to identify a particular user of this wiki (e.g., if the redirect is to the user page of a User).

Public Member Functions inherited from UnlistedSpecialPage
	__construct ( $name, $restriction='', $function=false, $file='default')

Public Member Functions inherited from SpecialPage
	__construct ( $name='', $restriction='', $listed=true, $function=false, $file='', $includable=false)
	Default constructor for special pages Derivative classes should call this from their constructor Note that if the user does not have the required level, an error message will be displayed by the default execute() method, without the global function ever being called.

	addHelpLink ( $to, $overrideBaseUrl=false)
	Adds help link with an icon via page indicators.

	checkPermissions ()
	Checks if userCanExecute, and if not throws a PermissionsError.

	checkReadOnly ()
	If the wiki is currently in readonly mode, throws a ReadOnlyError.

	doesWrites ()
	Indicates whether this special page may perform database writes.

	getAssociatedNavigationLinks ()
	Return an array of strings representing page titles that are discoverable to end users via UI.

	getAuthority ()
	Shortcut to get the Authority executing this instance.

	getConfig ()
	Shortcut to get main config object.

	getContentLanguage ()
	Shortcut to get content language.

	getContext ()
	Gets the context this SpecialPage is executed in.

	getFinalGroupName ()
	Get the group that the special page belongs in on Special:SpecialPage Use this method, instead of getGroupName to allow customization of the group name from the wiki side.

	getFullTitle ()
	Return the full title, including $par.

	getLanguage ()
	Shortcut to get user's language.

	getLinkRenderer ()

	getLocalName ()
	Get the localised name of the special page.

	getOutput ()
	Get the OutputPage being used for this instance.

	getPageTitle ( $subpage=false)
	Get a self-referential title object.

	getRequest ()
	Get the WebRequest being used for this instance.

	getRestriction ()
	Get the permission that a user must have to execute this page.

	getShortDescription (string $path='')
	Similar to getDescription but takes into account sub pages and designed for display in tabs.

	getSkin ()
	Shortcut to get the skin being used for this instance.

	getUser ()
	Shortcut to get the User executing this instance.

	including ( $x=null)
	Whether the special page is being evaluated via transclusion.

	isCached ()
	Is this page cached? Expensive pages are cached or disabled in miser mode.

	isExpensive ()
	Is this page expensive (for some definition of expensive)? Expensive pages are disabled or cached in miser mode.

	isIncludable ()
	Whether it's allowed to transclude the special page via {{Special:Foo/params}}.

	isRestricted ()
	Can be overridden by subclasses with more complicated permissions schemes.

	listed ( $x=null)
	Get or set whether this special page is listed in Special:SpecialPages.

	maxIncludeCacheTime ()
	How long to cache page when it is being included.

	msg ( $key,... $params)
	Wrapper around wfMessage that sets the current context.

	prefixSearchSubpages ( $search, $limit, $offset)
	Return an array of subpages beginning with $search that this special page will accept.

	requireLogin ( $reasonMsg='exception-nologin-text', $titleMsg='exception-nologin')
	If the user is not logged in, throws UserNotLoggedIn error.

	requireNamedUser ( $reasonMsg='exception-nologin-text', $titleMsg='exception-nologin')
	If the user is not logged in or is a temporary user, throws UserNotLoggedIn.

	run ( $subPage)
	Entry point.

	setContentLanguage (Language $contentLanguage)
	Set content language.

	setContext ( $context)
	Sets the context this SpecialPage is executed in.

	setHookContainer (HookContainer $hookContainer)

	setLinkRenderer (LinkRenderer $linkRenderer)

	setListed ( $listed)
	Set whether this page is listed in Special:Specialpages, at run-time.

	setSpecialPageFactory (SpecialPageFactory $specialPageFactory)

	userCanExecute (User $user)
	Checks if the given user (identified by an object) can execute this special page (as defined by $mRestriction).

Protected Member Functions
	getGroupName ()
	Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-group-*' for valid names This method defaults to group 'other'.

	showNoRedirectPage ()

Protected Member Functions inherited from SpecialPage
	addFeedLinks ( $params)
	Adds RSS/atom links.

	afterExecute ( $subPage)
	Gets called after.

	beforeExecute ( $subPage)
	Gets called before.

	buildPrevNextNavigation ( $offset, $limit, array $query=[], $atend=false, $subpage=false)
	Generate (prev x\| next x) (20\|50\|100...) type links for paging.

	checkLoginSecurityLevel ( $level=null)
	Verifies that the user meets the security level, possibly reauthenticating them in the process.

	displayRestrictionError ()
	Output an error message telling the user what access level they have to have.

	getAuthManager ()

	getCacheTTL ()

	getHookContainer ()

	getHookRunner ()

	getLanguageConverter ()
	Shortcut to get language's converter.

	getLoginSecurityLevel ()
	Tells if the special page does something security-sensitive and needs extra defense against a stolen account (e.g.

	getRobotPolicy ()
	Return the robot policy.

	getSpecialPageFactory ()

	getSubpagesForPrefixSearch ()
	Return an array of subpages that this special page will accept for prefix searches.

	outputHeader ( $summaryMessageKey='')
	Outputs a summary message on top of special pages Per default the message key is the canonical name of the special page May be overridden, i.e.

	prefixSearchString ( $search, $limit, $offset, SearchEngineFactory $searchEngineFactory=null)
	Perform a regular substring search for prefixSearchSubpages.

	setAuthManager (AuthManager $authManager)
	Set the injected AuthManager from the special page constructor.

	setHeaders ()
	Sets headers - this should be called from the execute() method of all derived classes!

	setReauthPostData (array $data)
	Record preserved POST data after a reauthentication.

	useTransactionalTimeLimit ()
	Call wfTransactionalTimeLimit() if this request was POSTed.

Additional Inherited Members
Static Public Member Functions inherited from SpecialPage
static	getSafeTitleFor ( $name, $subpage=false)
	Get a localised Title object for a page name with a possibly unvalidated subpage.

static	getTitleFor ( $name, $subpage=false, $fragment='')
	Get a localised Title object for a specified special page name If you don't need a full Title object, consider using TitleValue through getTitleValueFor() below.

static	getTitleValueFor ( $name, $subpage=false, $fragment='')
	Get a localised TitleValue object for a specified special page name.

static	newSearchPage (User $user)
	Get the users preferred search page.

Static Protected Member Functions inherited from SpecialPage
static	prefixSearchArray ( $search, $limit, array $subpages, $offset)
	Helper function for implementations of prefixSearchSubpages() that filter the values in memory (as opposed to making a query).

Protected Attributes inherited from RedirectSpecialPage
array	$mAddedRedirectParams = []
	Query parameters added by redirects.

array	$mAllowedRedirectParams = []
	Query parameters that can be passed through redirects.

Protected Attributes inherited from SpecialPage
IContextSource	$mContext
	Current request context.

bool	$mIncludable
	Whether the special page can be included in an article.

bool	$mIncluding
	Whether or not this special page is being included from an article.

string	$mName
	The canonical name of this special page Also used for the default.

string	$mRestriction
	Minimum user level required to access this page, or "" for anyone.

Detailed Description

Redirect from Special:Diff/### to index.php?diff=### and from Special:Diff/###/### to index.php?oldid=###&diff=###.

All of the following are valid usages:

[[Special:Diff/12345]] (diff of a revision with the previous one)
[[Special:Diff/12345/prev]] (diff of a revision with the previous one as well)
[[Special:Diff/12345/next]] (diff of a revision with the next one)
[[Special:Diff/12345/cur]] (diff of a revision with the latest one of that page)
[[Special:Diff/12345/98765]] (diff between arbitrary two revisions)

Since: 1.23

Definition at line 41 of file SpecialDiff.php.

Constructor & Destructor Documentation

◆ __construct()

SpecialDiff::__construct ( )

Definition at line 42 of file SpecialDiff.php.

Member Function Documentation

◆ getDescription()

SpecialDiff::getDescription ( )

Returns the name that goes in the \<h1\> in the special page itself, and also the name that will be listed in Special:Specialpages.

Derived classes can override this, but usually it is easier to keep the default behavior.

Stability: stable: to override

Returns: string

Reimplemented from SpecialPage.

Definition at line 123 of file SpecialDiff.php.

References SpecialPage\msg().

◆ getGroupName()

SpecialDiff::getGroupName ( )

protected

Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-group-*' for valid names This method defaults to group 'other'.

Stability: stable: to override

Returns: string

Since: 1.21

Reimplemented from SpecialPage.

Definition at line 136 of file SpecialDiff.php.

◆ getName()

SpecialDiff::getName ( )

Get the name of this Special Page.

Returns: string

Reimplemented from SpecialPage.

Definition at line 128 of file SpecialDiff.php.

◆ getRedirect()

SpecialDiff::getRedirect ( $subpage )

Parameters

string | null $subpage

Returns: Title|bool

Reimplemented from RedirectSpecialPage.

Definition at line 51 of file SpecialDiff.php.

◆ isListed()

SpecialDiff::isListed ( )

Whether this special page is listed in Special:SpecialPages.

Stability: stable: to override

Since: 1.3 (r3583)

Returns: bool

Reimplemented from UnlistedSpecialPage.

Definition at line 132 of file SpecialDiff.php.

◆ onFormSubmit()

SpecialDiff::onFormSubmit ( $formData )

Definition at line 109 of file SpecialDiff.php.

References $title, SpecialPage\getOutput(), and SpecialPage\getPageTitle().

◆ showNoRedirectPage()

SpecialDiff::showNoRedirectPage ( )

protected

Stability: stable: to override

Reimplemented from RedirectSpecialPage.

Definition at line 67 of file SpecialDiff.php.

References SpecialPage\addHelpLink(), SpecialPage\outputHeader(), and SpecialPage\setHeaders().

The documentation for this class was generated from the following file:

includes/specials/SpecialDiff.php

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ getDescription()

◆ getGroupName()

◆ getName()

◆ getRedirect()

◆ isListed()

◆ onFormSubmit()

◆ showNoRedirectPage()