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Showing content from https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Configuration_settings below:

Manual:Configuration settings - MediaWiki

This is an index of all supported configuration settings based on the MainConfigSchema.php (or DefaultSettings.php before MediaWiki 1.39) file.

Never edit MainConfigSchema.php; add appropriate lines to LocalSettings.php instead and amend them as appropriate.

If you cannot find a configuration setting here, see if it is defined in MainConfigSchema.php. The variable should have some documentation there.

Settings removed in versions of MediaWiki prior to 1.35 are no longer listed here. Please use the search box to find the relevant manual page (e.g. Manual:$wgAllowAnonymousMinor).

Listed alphabetically | Listed by function | Category:MediaWiki configuration settings

General Settings

$wgSitename – The name of the site.
$wgVersion (deprecated in 1.35) – MediaWiki version number.

Global Objects

$wgAutoloadLocalClasses – Array mapping class names to filenames, for autoloading.
$wgConf – Create a site configuration object.

Server URLs and file paths

$IP – The full path to the installation directory.
$wgActionPaths – Paths for various user actions. Used to make URLs prettier.
$wgAppleTouchIcon – Optional URL to an icon to use when bookmarking to the home screen on Apple handheld devices
$wgArticlePath – The base URL used to create article links.
$wgAssumeProxiesUseDefaultProtocolPorts – When the wiki is running behind a proxy and this is set to true, assumes that the proxy exposes the wiki on the standard ports.
$wgBaseDirectory (removed in 1.44) – Absolute filesystem path of the root directory of the MediaWiki installation.
$wgCanonicalServer – Canonical URL of the server, to use in IRC feeds, notification emails, etc.
$wgConfigRegistry – Registry of factory functions to create config objects
$wgExtensionAssetsPath – URL to extensions directory.
$wgExtensionDirectory – The file system path to the extensions directory.
$wgFavicon – The URL of the site favicon.
$wgFFmpegLocation – Executable name of FFmpeg client.
$wgFFprobeLocation – Executable name of FFprobe.
$wgFileCacheDirectory – Directory where the cached pages will be saved when using server-side caching.
$wgForceHTTPS – Redirect insecure HTTP requests to HTTPS.
$wgHttpsPort – Port where you have HTTPS running. Supports HTTPS on non-standard ports.
$wgImgAuthPath – The base path for img_auth.php.
$wgLoadScript – The URL path to load.php.
$wgLocalStylePath – Same as $wgStylePath , but shouldn't point to an external domain.
$wgLogoHD (removed in 1.42) – URLs for HD versions of the site logo.
$wgLogos – The URL path to various wiki logos.
$wgLogo – The URL of the site logo.
$wgMainPageIsDomainRoot – Controls if the main page should be served as the domain root.
$wgReferrerPolicy – Value for the referrer policy meta tag.
$wgRestPath – The URL path to rest.php.
$wgScriptPath – The base URL path.
$wgScript – The URL of index.php.
$wgServerName – The name of the server without the protocol.
$wgServer – The base URL of the server.
$wgStyleDirectory – The file system path to the skins directory.
$wgStylePath – The URL of the skins directory.
$wgStyleSheetPath (removed in 1.38) – Do not set $wgStyleSheetPath. Use $wgStylePath instead.
$wgThumbPath – The base path for thumb_handler.php.
$wgTmpDirectory – The path of the temporary directory.
$wgUploadBaseUrl – The base URL for uploaded images if shared upload directory isn't to be used
$wgUploadDirectory – The file system path of the upload directory.
$wgUploadPath – The path segment of the upload directory.
$wgUploadStashScalerBaseUrl (deprecated in 1.36) – To enable remote on-demand scaling, set this to the thumbnail base URL.
$wgUsePathInfo – Whether to use 'pretty' URLs.

See also skins path settings.

Files and file uploads

Uploads have to be specially set up to be secure.

$wgAllowCopyUploads – Allow uploads from URLs as well as local files.
$wgAllowJavaUploads (removed in 1.39) – Allow Java archive uploads.
$wgAttemptFailureEpoch – Bump this to quickly retry thumbnail creation failures.
$wgCheckFileExtensions – Check if the file extension is allowed on upload.
$wgCopyUploadAllowOnWikiDomainConfig – If true, the value of $wgCopyUploadsDomains will be merged with the contents of MediaWiki:Copyupload-allowed-domains.
$wgCopyUploadProxy – HTTP proxy to use for copy upload requests.
$wgCopyUploadsDomains – Limit $wgAllowCopyUploads to a specific list of domains
$wgCopyUploadsFromSpecialUpload – Add an interface to Special:Upload to enable uploading from URLs
$wgCopyUploadTimeout – HTTP timeout (in seconds) for upload by URL
$wgDeletedDirectory – What directory to place deleted uploads in.
$wgDirectoryMode – Default chmod permission value for newly created directories.
$wgDisableUploadScriptChecks – Whether to disable the upload system's checks for HTML/JavaScript.
$wgEnableAsyncUploads – Enable deferred upload tasks that use the job queue.
$wgEnableAsyncUploadsByURL (introduced in 1.42) – Enable the async processing of upload by url in Special:Upload.
$wgEnableUploads – Allow images and other files to be uploaded through the wiki.
$wgFileBackends – File backend structure configuration.
$wgFileBlacklist (removed in 1.37) – Files with these extensions will never be allowed as uploads.
$wgProhibitedFileExtensions – Files with these extensions will never be allowed as uploads.
$wgFileExtensions – This is the list of preferred extensions for uploading files. Uploading files with extensions not in this list will trigger a warning.
$wgHashedUploadDirectory – If true, uses the /a/ab/foo.jpg directory structure.
$wgIllegalFileChars (deprecated in 1.41) – Override the default list of illegal characters in file names.
$wgImagePreconnect – Add a preconnect link for browsers to a remote FileRepo host..
$wgImgAuthDetails – Display reason access to uploaded file was denied to users (img_auth only)
$wgImgAuthUrlPathMap – Map of relative URL directories to match to internal mwstore:// base storage paths.
$wgLocalFileRepo – A single repository structure for the local repository.
$wgLockManagers – Array of configuration arrays for each lock manager.
$wgMaxUploadSize – Maximum size of uploaded files (in bytes)
$wgMediaInTargetLanguage – Whether translatable media (currently, only SVG images) should be shown in page's target language
$wgMinUploadChunkSize – Minimum upload chunk size, in bytes.
$wgNativeImageLazyLoading – Toggles native image lazy loading, via the "loading" attribute.
$wgParserTestMediaHandlers – Media handler overrides for parser tests (they don't need to generate actual thumbnails, so a mock will do)
$wgStrictFileExtensions – Toggle whether users may upload files not covered by $wgFileExtensions .
$wgThumbnailEpoch – If rendered thumbnail files are older than this timestamp, they will be re-rendered on demand as if the file didn't already exist.
$wgUploadDialog – Configuration for Upload dialog and the files uploaded through it.
$wgUploadMaintenance – To disable file delete/restore temporarily.
$wgUploadMissingFileUrl – Point wikilinks to missing files ("red file links") to a custom URL.
$wgUploadNavigationUrl – Point the upload navigation link in the sidebar to a custom URL.
$wgUploadSizeWarning – Warn if uploaded files are larger than this.
$wgUploadStashMaxAge – The maximum age of temporary (incomplete) uploaded files.

Shared uploads

These settings are kept for backward compatibility, see $wgForeignFileRepos for the new setting, or $wgUseInstantCommons if you only need read access to images on Commons.

$wgCacheSharedUploads – Cache shared metadata in memcached.
$wgForeignFileRepos – An array of repository structure for foreign repositories.
$wgForeignUploadTargets – Configuration for foreign upload targets for the Upload dialog .
$wgHashedSharedUploadDirectory – Whether to hash the shared upload directory.
$wgRepositoryBaseUrl – Base URL for a repository wiki.
$wgSharedUploadDBname – DB name with metadata about shared directory.
$wgSharedUploadDBprefix – DB prefix for shared image uploads
$wgSharedUploadDirectory – Path on the file system where shared uploads can be found.
$wgSharedUploadPath – Full path to the web server where shared uploads can be found.
$wgUseSharedUploads – Whether to look in a shared repository when a file is not found locally
$wgFetchCommonsDescriptions – Whether to fetch commons image description pages and display them on the local wiki.

MIME types

$wgMimeDetectorCommand – Sets an external MIME detector program.
$wgMimeInfoFile – Sets the MIME type info file to be used by MimeAnalyzer.php .
$wgMimeTypeFile – Sets the MIME type definition file to be used by MimeAnalyzer.php .
$wgTrivialMimeDetection – Switch for trivial MIME detection.

Warning: ↑This is not a configuration setting, but a global state variable. It should be used solely by thumb.php !

$wgVerifyMimeType – Determines if the MIME type of uploaded files should be checked.
$wgVerifyMimeTypeIE (removed in 1.40) – Determines whether extra checks for Internet Explorer type detection should be applied.
$wgMimeTypeBlacklist (removed in 1.37) – MIME types to disallow if $wgVerifyMimeType is enabled.
$wgMimeTypeExclusions – MIME types to disallow if $wgVerifyMimeType is enabled.
$wgXMLMimeTypes – An array of XML MIME types we can detect via MimeMagic

See also: Manual:MIME type detection

Images

$wgAllowImageMoving (removed in 1.36) – Enable file renaming.
$wgCustomConvertCommand – Use another resizing converter, e.g. GraphicMagick.
$wgEnableAutoRotation – Whether to enable image auto-rotation based on EXIF information
$wgExiftool – Path to exiftool binary. Used for lossless ICC profile swapping.
$wgExiv2Command – Path to the exiv2 executable.
$wgGalleryOptions – Default settings for the ‎<gallery> tag.
$wgIgnoreImageErrors – If true, inline scaled images will still produce ‎<img> tags ready for output instead of showing an error message.
$wgImageLimits – A list of user-selectable limits for the image thumbnail size on image description pages.
$wgJpegQuality – When scaling a JPEG thumbnail, this is the quality we request from the backend.
$wgJpegTran – Path to jpegtran, for lossless JPEG rotation.
$wgMaxImageArea – Don't thumbnail an image if it will use too much working memory.
$wgMediaHandlers – Plugins for media file type handling.
parameters for upload path
$wgTrustedMediaFormats – List of trusted media-types and MIME types.

DjVu

$wgDjvuDump – Path to the djvudump executable.
$wgDjvuOutputExtension – File extension for the DjVu post processor output.
$wgDjvuPostProcessor – Path of the DjVu post-processor.
$wgDjvuRenderer – Path of the ddjvu DjVu renderer.
$wgDjvuToXML (removed in 1.37) – Path of the djvutoxml executable.
$wgDjvuTxt – Path of the djvutxt DjVu text extraction utility.
$wgDjvuUseBoxedCommand (introduced in 1.42) – Whether to use BoxedCommand or not.
$wgShellboxShell (introduced in 1.42) – The POSIX-compatible shell to use when running scripts.

EXIF

$wgShowEXIF – Show EXIF data at the end of file description pages.
$wgUpdateCompatibleMetadata – Whether to automatically update the img_metadata field if it is outdated but compatible with the current version.

ImageMagick

$wgImageMagickConvertCommand – The command used to invoke ImageMagick.
$wgImageMagickTempDir – Temporary directory used for ImageMagick.
$wgMaxInterlacingAreas – Array of max pixel areas for interlacing per MIME type.
$wgSharpenParameter – Sharpening parameter to ImageMagick.
$wgSharpenReductionThreshold – Reduction in linear dimensions below which sharpening will be enabled.
$wgUseImageMagick – Set to true to use ImageMagick for image resizing.
$wgUseTinyRGBForJPGThumbnails – Swaps JPGs that use sRGB ICC profile with TinyRGB profile

SVG

$wgAllowTitlesInSVG (removed in 1.35) – Allow ‎<title> tag in SVG files.
$wgSVGConverter – A key from $wgSVGConverters to use as converter.
$wgSVGConverterPath – Path to the directory of the SVG converter being used.
$wgSVGConverters – List of paths to Scalable Vector Graphics (SVG) converters.
$wgSVGMaxSize – Don't scale a SVG larger than this unless its native size is larger.
$wgSVGMetadataCutoff – Don't read SVG metadata beyond this point.
$wgSVGNativeRendering (introduced in 1.41) – Whether native rendering by the browser agent is allowed.
$wgSVGNativeRenderingSizeLimit (introduced in 1.41) – Limit on an SVG file's size for it to be rendered by the client, in bytes.

Thumbnail settings

$wgUseImageResize – Whether to enable dynamic server-side image resizing (thumbnailing)
$wgGenerateThumbnailOnParse – Allow thumbnail rendering on page view.
$wgMaxAnimatedGifArea – Force thumbnailing of animated GIFs above this size to a single frame instead of an animated thumbnail.
$wgSharedThumbnailScriptPath – Same as $wgThumbnailScriptPath , but for shared uploads.
$wgShowArchiveThumbnails – Whether to show thumbnails for old images on the image description page.
$wgTiffThumbnailType – The format and MIME type to convert TIFF images to.
$wgThumbnailNamespaces (introduced in 1.40) – Defines what namespaces thumbnails will be displayed for in Special:Search.
$wgThumbnailScriptPath – Path to thumb.php , if you want thumbnail generation on the fly.
$wgThumbnailSteps (introduced in 1.44) – When defined, is an array of image widths used as steps for thumbnail sizes.
$wgThumbnailStepsRatio (introduced in 1.44) – Ratio of images that will use the thumbnail steps.
$wgThumbUpright – Scaling factor applied to width of images when parameter 'upright' is used.
$wgThumbLimits – List of image thumbnail sizes users can pick from.
$wgResponsiveImages – Whether or not to output high-resolution images for high-DPI displays
$wgThumbnailBuckets – List of intermediary thumbnail sizes to use to speed up thumbnail rendering.
$wgThumbnailMinimumBucketDistance – Minimal distance between intermediary thumbnail size and target thumbnail size.
$wgJpegPixelFormat – Sets YUV chroma subsampling mode for JPEG thumbnails
$wgUploadThumbnailRenderHttpCustomHost – When using the "http" $wgUploadThumbnailRenderMethod, lets one specify a custom Host HTTP header.
$wgUploadThumbnailRenderHttpCustomDomain – When using the "http" $wgUploadThumbnailRenderMethod, lets one specify a custom domain to send the HTTP request to.
$wgUploadThumbnailRenderMap – An array of thumbnail widths to be rendered at upload time.
$wgUploadThumbnailRenderMethod – The method through which the thumbnails will be prerendered for the entries in $wgUploadThumbnailRenderMap.

Antivirus

$wgAntivirus – Internal name of virus scanner.
$wgAntivirusRequired – Determines if a failed virus scan will cause the file to be rejected.
$wgAntivirusSetup – Configuration for different virus scanners.

Email settings

See also User Access: $wgEmailConfirmToEdit

$wgAdditionalMailParams – Additional email parameters, will be passed as the last argument to mail() PHP function call.
$wgAllowHTMLEmail – Set to true to enable HTML emails.
$wgEmailAuthentication – Set to true to enable email authentication (confirmation) for this wiki. Except for password reminder emails, email functions only work for authenticated email addresses.
$wgEmergencyContact – Site admin email address
$wgEnableEmail – Set to true to enable basic email features.
$wgEnableSpecialMute – Set to true to enable the Special Mute page.
$wgEnableUserEmailBlacklist (removed in 1.37) – Set to true to enable user-to-user email blacklist.
$wgEnableUserEmailMuteList – Set to true to enable user-to-user email mutelist.
$wgEnableUserEmail – Set to true to enable user-to-user email.
$wgNewPasswordExpiry – The time, in seconds, after which an emailed temporary password expires.
$wgNoReplyAddress – Reply-to address for automatically generated emails.
$wgPasswordExpirationDays – The number of days that a user's password is good for.
$wgPasswordExpireGrace – The number of seconds after a user's password expires during which they can log in without a password change.
$wgPasswordReminderResendTime – Minimum time, in hours, which must elapse between password reminder emails.
$wgPasswordSender – Password reminder email address.
$wgSMTP – For using a direct (authenticated) SMTP server connection.
$wgUserEmailConfirmationTokenExpiry – The time, in seconds, after which a email address confirmation token expires.
$wgUserEmailUseReplyTo – Set to true to put the sending user's email in a Reply-To header instead of From.

Email notification (Enotif) settings

Actual notifications for each user are defined in the options. You can change defaults with $wgDefaultUserOptions .

$wgEnotifFromEditor – Whether to make email notifications appear to come from the user who makes the edit
$wgEnotifImpersonal (removed in 1.45) – Send a generic mail instead of a personalised mail for each user.
$wgEnotifMaxRecips (removed in 1.45) – Maximum number of users to mail at once when using impersonal mail.
$wgEnotifMinorEdits – Set to true to allow sending email notification also for edits marked as minor edits
$wgEnotifRevealEditorAddress – Set to true to insert the page editor's email address into the email notifications Reply-To address
$wgEnotifUseRealName – Use real name instead of username in email "from" field.
$wgEnotifUserTalk – Enable email notifications for edits on users' talk pages.
$wgEnotifWatchlist – Set to true to allow the email notification for watched pages
$wgUseEnotif (removed in 1.39) – Overall "use Enotif" setting
$wgUsersNotifiedOnAllChanges – Array of usernames who will be sent a notification email for every change which occurs on a wiki.

Database settings

$wgCategoryLinksSchemaMigrationStage (introduced in 1.44) – Migration stage for categorylinks tables
$wgCommentTempTableSchemaMigrationStage (introduced in 1.40) (removed in 1.41) – Comment temp tables schema migration stage.
$wgDataCenterUpdateStickTTL – After a state-changing request is done by a client, this determines how many seconds that client should keep using the master datacenter.
$wgDBadminpassword – Password for $wgDBadminuser.
$wgDBadminuser – Username of database administrator.
$wgDBcompress – Whether to use compression in DB connection.
$wgDBDefaultGroup – Default group to use when getting database connections. For use by maintenance scripts.
$wgDBerrorLogTZ – Timezone to use in the error log.
$wgDBerrorLog – File to log database errors to.
$wgDBmwschema – Schema that stores the MediaWiki tables in.
$wgDBname – Name of the database.
$wgDBpassword – The password for $wgDBuser .
$wgDBprefix – Table name prefix.
$wgDBserver – Host name or IP address of database server.
$wgDBssl – Whether to use SSL in DB connection.
$wgDBStrictWarnings (introduced in 1.42) – Check for warnings after DB queries and throw an exception if an unacceptable warning is detected.
$wgDBtype – Type of database.
$wgDBuser – Database username.
$wgDBWindowsAuthentication (removed in 1.35) – Use Integrated Windows Authentication rather than $wgDBuser /$wgDBpassword combo.
$wgExternalLinksSchemaMigrationStage (introduced in 1.40) (removed in 1.41) – externallinks table schema migration stage.
$wgExternalLinksDomainGaps (introduced in 1.41) – Gaps in the externallinks table for certain domains.
$wgFileSchemaMigrationStage (introduced in 1.44) – Migration stage for file tables.
$wgLocalDatabases – Other wikis on this site, can be administered from a single developer account.
$wgMaxExecutionTimeForExpensiveQueries – Max execution time for queries of several expensive special pages such as RecentChanges in milliseconds.
$wgMultiContentRevisionSchemaMigrationStage (removed in 1.39) – RevisionStore table schema migration stage (content, slots, content_models & slot_roles tables).
$wgPageLinksSchemaMigrationStage (introduced in 1.41) – The pagelinks table schema migration stage, for normalising pl_namespace and pl_title fields.
$wgSearchTypeAlternatives – Alternative search types.
$wgSearchType – Type of search used for the wiki.
$wgTemplateLinksSchemaMigrationStage (removed in 1.43) – templatelinks table schema migration stage, for normalizing tl_namespace and tl_title fields.
$wgVirtualDomainsMapping (introduced in 1.41) – Mapping of virtual database domains to actual databases.

LoadBalancer settings

$wgDBservers – Settings for the database load balancer (database servers and load ratios).
$wgLBFactoryConf – Configuration for the ILBFactory service
$wgMasterWaitTimeout (deprecated in 1.24) – How long to wait for a slave to catch up to the master.
$wgSlaveLagCritical (removed in 1.36) – If lag is higher than this value, show a more obvious warning than $wgSlaveLagWarning .
$wgSlaveLagWarning (removed in 1.36) – If lag is higher than this value, show a warning in some special pages (like watchlist).
$wgDatabaseReplicaLagCritical – If lag is higher than this value, show a more obvious warning than $wgDatabaseReplicaLagWarning .
$wgDatabaseReplicaLagWarning – If lag is higher than this value, show a warning in some special pages (like watchlist).

MySQL-specific

$wgDBTableOptions – MySQL table options to use during installation or update.
$wgSQLMode – Value for the MySQL sql_mode parameter

PostgreSQL-specific

$wgDBport – Database port. Only used by PostgreSQL.

SQLite-specific

$wgSQLiteDataDir – To override default SQLite data directory.

Shared DB settings

$wgSharedDB – The name of the shared database.
$wgSharedPrefix – Table prefix to use on the shared database tables.
$wgSharedTables – List of database tables (without prefixes) to share when $wgSharedDB is enabled.
$wgSharedSchema – The table schema for the shared database

Extension fields

$wgExtPGNewFields (removed in 1.36) – Extension defined fields to be added to existing tables
$wgExtNewTables (removed in 1.36) – Extension Defined tables to be added on schema change
$wgExtNewFields (removed in 1.36) – Extension defined fields to be added to existing tables
$wgExtNewIndexes (removed in 1.36) – Extension defined indexes to be added to existing tables
$wgExtPGAlteredFields (removed in 1.36) – Extension defined columns to be altered in tables
$wgExtModifiedFields (removed in 1.36) – Extension defined fields to change existing tables

Content handlers and storage

$wgCompressRevisions – Compress new page revisions if possible
$wgContentHandlers – Mapping of content type handlers
$wgContentHandlerTextFallback (removed in 1.42) – How to react if a plain text version of a non-text Content object is requested using ContentHandler::getContentText()
$wgDefaultExternalStore – Default external store for new revisions.
$wgDiffEngine – Specify the difference engine to use.
$wgEnableRemoteBagOStuffTests – If this is set to true, phpunit will run integration tests against remote caches defined in $wgObjectCaches .
$wgExternalDiffEngine – Name of the external diff engine to use.
$wgExternalServers – Shortcut for setting $wgLBFactoryConf["externalClusters"].
$wgExternalStores – List of enabled ExternalStore protocols.
$wgNamespaceContentModels – Content types defined for a given namespace
$wgPageLanguageUseDB – Allows to change the page language for MediaWiki pages
$wgRevisionCacheExpiry – Cache extracted revision text in MemCached.
$wgRevisionSlotsCacheExpiry (introduced in 1.43) – Revision slots may be cached in the main WAN cache and/or the local server cache to reduce load on the database.
$wgTextModelsToParse – Determines which types of text are parsed as wikitext.
$wgWikidiff2Options (introduced in 1.41) – Options for wikidiff2

Performance hacks and limits

$wgAllowSchemaUpdates – Allow database schema updates to be executed with update.php script.
$wgAllowSlowParserFunctions – Allow slow parser functions.
$wgCriticalSectionTimeLimit – The maximum time critical sections are allowed to stay open.
$wgDisableQueryPages – Disable all query pages if miser mode is on, not just some.
$wgForceDeferredUpdatesPreSend – Force deferred updates to be run before sending a response to the client, instead of attempting to run them after sending the response.
$wgLinkHolderBatchSize – LinkHolderArray batch size.
$wgMaxArticleSize – Maximum page size in kibibytes.
$wgMaximumMovedPages – Maximum number of pages to move at once when moving subpages with a page.
$wgMaxJobDBWriteDuration – Max time (in seconds) a job-generated transaction can spend in writes.
$wgMaxUserDBWriteDuration – Max time (in seconds) a user-generated transaction can spend in writes.
$wgMemoryLimit – The minimum amount of memory that MediaWiki "needs"; MediaWiki will try to raise PHP's memory limit if it's below this amount.
$wgMiserMode – Enable/disable database-intensive features
$wgMultiShardSiteStats – Whether site_stats table should have multiple rows.
$wgPoolCounterConf – Configuration for processing pool control.
$wgPoolCountClientConf (introduced in 1.40) – Configuration array for the PoolCounter client.
$wgQueryCacheLimit – Number of rows to cache in 'querycache' table when miser mode is on.
$wgQueryPages – List of Special pages that inherit from QueryPage, that should also be taken in account by the updateSpecialPages.php maintenance script.
$wgRequestTimeLimit – Set a limit on server request wall clock time.
$wgTransactionalTimeLimit – Throttle for timing out transactional POST requests
$wgWantedPagesThreshold – Minimum number of pages that must link to a page before it will appear on Special:Wantedpages.

Cache

$wgCacheDirectory – Directory for per-wiki long-life cache files in the local filesystem.
$wgCacheEpoch – Set this to current time to invalidate all prior cached pages.
$wgCachePages – Allow client-side caching of pages
$wgChronologyProtectorStash (removed in 1.43) – The object store type of the ChronologyProtector position store.
$wgChronologyProtectorSecret (introduced in 1.41) – Secret string for HMAC hashing in ChronologyProtector (optional)
$wgExtensionInfoMTime – Time to invalidate cache of extensions loaded by the extension registration system.
$wgFooterLinkCacheExpiry (removed in 1.39) – Expiry time for the footer link cache, in seconds, or 0 if disabled.
$wgGitInfoCacheDirectory – Directory where GitInfo will look for pre-computed cache files.
$wgInvalidateCacheOnLocalSettingsChange – Setting this to true will invalidate all cached pages whenever LocalSettings.php is changed
$wgLanguageConverterCacheType – The cache type for storing language conversion tables.
$wgMainCacheType – Object cache setting
$wgMainStash – Replicated object cache setting
$wgMicroStashType (introduced in 1.42) – Central store for reliable short-lived data.
$wgObjectCaches – Advanced object cache configuration.
$wgParserCacheFilterConfig (introduced in 1.42) – Per-namespace configuration for the ParserCache filter.
$wgParserCacheUseJson (removed in 1.39) – Enable JSON serialization for ParserCache.
$wgParsoidCacheConfig – Configuration for the caching related to parsoid output. The configuration contains the following keys:
$wgPHPSessionHandling – Whether to use PHP session handling ($_SESSION and session_*() functions)
$wgSessionPbkdf2Iterations – Number of internal PBKDF2 iterations to use when deriving session secrets.
$wgStatsCacheType (removed in 1.42) – The object cache type for stats storage.
$wgSuspiciousIpExpiry – Time in seconds to remember IPs for, for the purposes of logging IP changes within the same session.
$wgUseGzip – Use GZip to store cached pages.

See: Interwiki for Interwiki cache settings.

File Cache

Settings for Server side file caching.

$wgFileCacheDepth – Depth of subdirectory hierarchy under $wgFileCacheDirectory .
$wgUseFileCache – Create static HTML pages for unregistered viewers to reduce database traffic.

Message Cache

$wgAdaptiveMessageCache – Keep track which messages are requested and load only most used messages.
$wgLocalisationCacheConf – Localisation cache configuration.
$wgMessageCacheType – Message cache setting
$wgUseLocalMessageCache – Make a local copy of the message cache, in addition to memcached.

$wgEnableSidebarCache – If true, cache the sidebar navigation links.
$wgSidebarCacheExpiry – Expiry time for the sidebar cache, in seconds.

Parser Cache

$wgOldRevisionParserCacheExpireTime – The expiry time for the parser cache for old revisions, in seconds.
$wgRenderHashAppend – Append a configured value to the parser cache and the sitenotice cache keys.
$wgParserCacheAsyncExpireTime (introduced in 1.44) – The expiry time for "not ready" asynchronous content in the parser cache, in seconds.
$wgParserCacheAsyncRefreshJobs (introduced in 1.44) – Whether to re-run the refresh links jobs when asynchronous content becomes ready.
$wgParserCacheExpireTime – Expiration time (in seconds) of cached parser information
$wgParserCacheType – Parser cache setting
$wgUseContentMediaStyles (introduced in 1.41) (removed in 1.45) – Temporary flag to stop shipping the styles for the legacy media HTML structure that has been replaced when $wgParserEnableLegacyMediaDOM is false.

Memcached settings

Settings for configuring the Memcached memory-based object store (if you are using it) docs/memcached.md has more details.

$wgMemCachedDebug – Will be set to false in Setup.php, if the server isn't working.
$wgMemCachedPersistent – Whether to use persistent connections to Memcached servers.
$wgMemCachedServers – Memcached servers
$wgMemCachedTimeout – Server connection timeout in microseconds.
$wgObjectCacheSessionExpiry – Expiry time to use for session storage in seconds.
$wgSessionCacheType – The cache type for storing session data.

WAN cache

$wgMainWANCache (removed in 1.40) – Main wide area network cache configuration.
$wgWANObjectCaches (removed in 1.40) – Advanced Wide-Area-Network cache configuration.
$wgWANObjectCache (introduced in 1.40) – Extra parameters to the WANObjectCache constructor.

HTTP proxy (CDN) settings

These settings configure MediaWiki when using a caching HTTP proxy server. They apply to caching using Varnish as well as Squid.

$wgCdnMatchParameterOrder – Indicates if should take query parameters order on incoming requests into account for CDN caching
$wgCdnMaxageLagged – Cache timeout for the CDN when DB replica lag is high
$wgCdnMaxageStale – Cache timeout in seconds when delivering a stale ParserCache response due to PoolCounter contention.
$wgCdnMaxageSubstitute – Cache timeout for the CDN when a response is known to be wrong or incomplete (due to load)
$wgCdnMaxAge – Cache TTL for the CDN sent as s-maxage (without ESI) or Surrogate-Control (with ESI).
$wgCdnReboundPurgeDelay – Secondary delayed purges of URLs
$wgCdnServersNoPurge – Same as $wgCdnServers , except no HTTP purges will be sent and CIDR ranges are accepted
$wgCdnServers – An array of individual proxy servers to help MediaWiki detect if the request has been proxied.
But also to send back to the proxy PURGE commands on changes.
$wgForcedRawSMaxage – Default maximum age (in seconds) for raw CSS/JavaScript accesses.
$wgInternalServer – Internal server name as known to Squid, if different than $wgServer .
$wgLoggedOutMaxAge (removed in 1.38) – Cache TTL for the user agent sent as max-age, for logged out users.
$wgSquidMaxage (removed in 1.35) – Cache timeout for the squid.
$wgSquidPurgeUseHostHeader (removed in 1.42) – Whether to use a Host header in purge requests sent to the proxy servers configured in $wgSquidServers.
$wgSquidServersNoPurge (removed in 1.35) – Same as $wgSquidServers , except that MW has no methods to send HTTP PURGE to an origin part of the configured ranges
$wgSquidServers (removed in 1.35) – An array of individual proxy servers to help MediaWiki detect if the request has been proxied.
But also to send back to the proxy PURGE commands on changes.
$wgUseCdn – Enable/disable page view caching.
$wgUseESI (deprecated in 1.33) – If you run Squid3 with ESI support, enable this.
$wgUsePrivateIPs – Whether private X-Forwarded-For IPs should be accepted
$wgUseSquid (removed in 1.35) – Enable/disable Squid.
$wgVaryOnXFP – Whether to add X-Forwarded-Proto to the Vary header for API requests and RSS/Atom feeds.

HTCP multicast purging

$wgHTCPMulticastTTL – HTCP multicast purging
$wgHTCPRouting – Routing configuration for HTCP multicast purging.

Language, regional and character encoding settings

$wgAllowRawHtmlCopyrightMessages (introduced in 1.43) (removed in 1.45) – Whether on-wiki overrides for the copyright and history_copyright messages, which allow raw HTML, will be used.
$wgAllUnicodeFixes – Whether to always convert certain Unicode sequences to modern ones regardless of the content language.
$wgDefaultLanguageVariant – Default language variant.
$wgDisabledVariants – Disabled variants for language variant conversion.
$wgDisableLangConversion – Whether to enable language variant conversion.
$wgDisableTitleConversion – Whether to enable language variant conversion for links.
$wgDummyLanguageCodes – List of language codes that have been renamed to new (correct) codes, or don't correspond to an actual interface language.
$wgExtraInterlanguageLinkPrefixes – Array of interwiki prefixes to be treated as language links.
$wgExtraLanguageCodes – List of mappings from one language code to another
$wgExtraLanguageNames – List of language names or overrides for default names in Names.php.
$wgFixArabicUnicode (removed in 1.35) – Set this to true to clean up archaic Unicode sequences in Arabic text.
$wgFixMalayalamUnicode (removed in 1.35) – Set this to true to clean up archaic Unicode sequences in Malayalam text.
$wgForceUIMsgAsContentMsg – Array of UI messages that should be treated as content messages.
$wgGrammarForms – Used for {{GRAMMAR:}} parser function.
$wgHideInterlanguageLinks – Hide interlanguage links from the sidebar.
$wgInterlanguageLinkCodeMap – Map of interlanguage link codes to language codes to override what is shown as the language name when the interwiki code does not match it exactly.
$wgInterwikiMagic – Treat language links as magic connectors, not inline links.
$wgLangObjCacheSize (removed in 1.37) – Language cache size, or really how many languages can we handle simultaneously without degrading to crawl speed.
$wgLanguageCode – Site language code.
$wgLegacyEncoding – Set this to the character set, which you used before you updated to MediaWiki 1.5 (eg 'ISO-8859-1'). MediaWiki will then perform a temporary character set conversion when loading old revisions, which are not marked with "utf-8" flag (revisions created with MediaWiki 1.4 and earlier).
$wgLegacySchemaConversion (removed in 1.39) – Option to speed up the conversion step for large sites when migrating the schema from 1.4 to 1.5
$wgLoginLanguageSelector – Show a bar of language selection links in the user login and user registration forms.
$wgMaxMsgCacheEntrySize – Maximum entry size in the message cache, in bytes.
$wgOverrideUcfirstCharacters – List of Unicode characters for which capitalization is overridden in Language::ucfirst.
$wgRawHtmlMessages – List of messages which might contain raw HTML.
$wgUseDatabaseMessages – Translation using MediaWiki: namespace.
$wgUsePigLatinVariant – Whether to enable the pig latin variant of English (en-x-piglatin), used to ease variant development work.
$wgUseXssLanguage (introduced in 1.41) – Whether to enable the x-xss language code, used to make checking for XSS issues more convenient.
$wgVariantArticlePath – Used for links when having language's variants.
$wgUserFallbackLanguages – maximum number of fallback languages per user

Timezone settings

$wgLocaltimezone – Fake out the timezone that the server thinks it's in.
$wgLocalTZoffset – Add a distance to the server timezone in minutes.

Language-specific

English

$wgAmericanDates – Use 'mdy' instead of 'dmy' as the default date format, e.g. 'May 12' instead of '12 May'.

Arabic/Hindi

$wgTranslateNumerals – For Hindi, Arabic, and other languages with their own numeral systems, use local numerals instead of Western style (0-9) numerals in some areas of the interface.

Output format and skin settings

Output

$wgBrowserFormatDetection – Override ability of certain browsers to attempt to autodetect dataformats in pages.
$wgDisableOutputCompression – Disable output compression (compression enabled by default if zlib is available).
$wgEdititis – Display user edit counts on special page "User list".
$wgEditSubmitButtonLabelPublish – Vary the 'save' labels to 'publish' for public wikis.
$wgEnableCanonicalServerLink – Output a <link rel="canonical"> tag on every page indicating the canonical server which should be used, i.e. $wgServer or $wgCanonicalServer .
$wgExternalInterwikiFragmentMode – Determines which ID escaping mode should be used for external interwiki links
$wgFragmentMode – Determines how section IDs should be encoded
$wgInterwikiLogoOverride (introduced in 1.41) – List of interwiki logos overrides.
$wgHTMLFormAllowTableFormat (removed in 1.42) – Allow form components to render tables.
$wgHtml5Version – Defines the value of the version attribute in the ‎<html> tag, if any.
$wgMangleFlashPolicy (removed in 1.40) – Whether to mangle any <cross-domain-policy> (Adobe cross-domain policy) tags, to prevent XSS attacks.
$wgMimeType – The type to send in the Content-Type header.
$wgSend404Code – Send 404 HTTP status for not found pages.
$wgShowRollbackEditCount – Maximum number to count when a rollback link is shown
$wgSiteNotice – A message to be displayed at the top of every page.
$wgUseMediaWikiUIEverywhere (removed in 1.42) – Applies MediaWiki UI wherever it can be supported.
$wgXhtmlNamespaces – Permit other XHTML namespaces in addition to the w3.org default.

Skins

$wgDefaultSkin – The default skin for new users.
$wgFallbackSkin – Fallback skin used when the skin defined by $wgDefaultSkin can't be found.
$wgFooterIcons – Abstract list of footer icons for skins.
$wgSkinMetaTags – An array of open graph tags which should be added by all skins.
$wgSkipSkins – Specify the name of skins that should not be presented in the list of available skins.
$wgSkipSkin (removed in 1.35) – Specify the name of a skin that should not be presented in the list of available skins.
$wgUseCombinedLoginLink – Login / create account link behavior when it's possible for anonymous users to create an account.
$wgVectorUseIconWatch – Watch and unwatch as a star icon rather than a link (for Vector skin only).
$wgVectorUseSimpleSearch – Search form behavior for Vector skin only.

ResourceLoader

See ResourceLoader for more information.

$wgAllowSiteCSSOnRestrictedPages – Allow site-wide Cascading Style Sheets (CSS) on restricted special pages
$wgCodexDevelopmentDir (introduced in 1.43) – If this is set, MediaWiki will look for Codex files in this directory instead of in resources/lib/codex/ and friends.
$wgIncludeLegacyJavaScript (removed in 1.39) – Whether to include the mediawiki.legacy JavaScript library (old wikibits.js), and its dependencies.
$wgLegacyJavaScriptGlobals (removed in 1.37) – Whether or not to assign configuration variables to the global window object.
$wgResourceBasePath – Default remoteBasePath value for resource loader modules.
$wgResourceLoaderClientPreferences (introduced in 1.40) (removed in 1.41) – Enable client-side preferences for unregistered users.
$wgResourceLoaderDebug – The default debug mode (on/off) for ResourceLoader requests.
$wgResourceLoaderEnableJSProfiler – When enabled, execution of JavaScript modules is profiled client-side.
$wgResourceLoaderEnableSourceMapLinks (introduced in 1.41) – Whether to include a SourceMap header in ResourceLoader responses for JavaScript modules.
$wgResourceLoaderMaxage – How long a CDN or browser may cache a ResourceLoader HTTP response.
$wgResourceLoaderMaxQueryLength – Maximum query string length for ResourceLoader requests.
$wgResourceLoaderSources – Foreign module sources registry.
$wgResourceLoaderStorageEnabled – Whether ResourceLoader should attempt to persist modules in localStorage on browsers that support the Web Storage API.
$wgResourceLoaderStorageVersion – Cache version for client-side ResourceLoader module storage.
$wgResourceLoaderUseObjectCacheForDeps (removed in 1.44) – Use the main stash instead of the module_deps table for indirect dependency tracking
$wgResourceLoaderValidateJS – Validate JavaScript code loaded from wiki pages.
$wgResourceModuleSkinStyles – Array of additional skin-provided stylesheets to existing ResourceLoader modules.
$wgResourceModules – Array of all extra defined modules that can later be loaded during the output.
$wgVueDevelopmentMode – Whether to use the development version of Vue.js.

Page titles and redirects

$wgDisableHardRedirects – Disable redirects to special pages and interwiki redirects, which use a 302 and have no "redirected from" link.
$wgFixDoubleRedirects – Fix double redirects after a page move.
$wgInvalidRedirectTargets – Array of invalid page redirect targets.
$wgShortPagesNamespaceBlacklist (removed in 1.37) – Optional array of namespaces which should be blacklisted from Special:ShortPages
$wgShortPagesNamespaceExclusions – Optional array of namespaces which should be excluded from Special:ShortPages
$wgCapitalLinkOverrides – Per namespace configuration for $wgCapitalLinks .
$wgCapitalLinks – Set this to false to avoid forcing the first letter of links to capitals.
$wgLegalTitleChars (deprecated in 1.41) – Override the default list of illegal characters in page titles.
$wgMaxRedirects (removed in 1.39) – Max number of redirects to follow when resolving redirects.

Namespaces

$wgContentNamespaces – Namespaces which are considered to contain real content, or articles
$wgCanonicalNamespaceNames – Canonical namespace names.
$wgExtraNamespaces – Additional namespaces.
$wgExtraGenderNamespaces – Same as $wgExtraNamespaces , but for namespaces with gender distinction.
$wgExtraSignatureNamespaces – Controls in which subject (non-talk) namespaces the "Signature" button on the edit toolbar will be displayed.
$wgMetaNamespace – Name used for the meta namespace.
$wgMetaNamespaceTalk – Name of the project talk namespace.
$wgNamespaceAliases – Provide additional names for namespaces.
$wgNamespacesWithSubpages – Which namespaces should support subpages?

Mobile support

Interwiki links and sites

$wgInterwikiPrefixDisplayTypes (removed in 1.39) – Mapping of interwiki index prefixes to descriptors that can be used to change the display of interwiki search results.
$wgLocalInterwikis – Array of interwiki prefixes for this wiki.
$wgLocalInterwiki (removed in 1.35) – Interwiki prefix for this wiki.
$wgRedirectSources – Regular expression to restrict URLs which will be displayed as "redirected from" links.
$wgSiteTypes – Register handlers for specific types of sites.

Interwiki cache

See interwiki cache for more information.

$wgInterwikiCache – Interwiki cache as an associative array.
$wgInterwikiExpiry – Expiry time for memcached cache of interwiki table.
$wgInterwikiFallbackSite – Used by maintenance scripts to dump interwiki table
$wgInterwikiScopes – Used by getInterwikiCache() to retrieve from interwiki database file

Parser

$wgAllowDisplayTitle – Allows use of {{DISPLAYTITLE}} magic word
$wgAllowExternalImagesFrom – If $wgAllowExternalImages is false, you can specify exceptions here.
$wgAllowExternalImages – Determines whether or not MediaWiki will allow external images to be rendered inline with text.
$wgAllowImageTag (removed in 1.42) – Allow ‎<img> tag to be used in wikitext.
$wgCleanSignatures – Substitute templates in signatures.
$wgEnableImageWhitelist – Enables an on-wiki external image whitelist
$wgEnableMagicLinks – Controls whether magic link functionality should be enabled
$wgEnableScaryTranscluding – Allow templates to be imported/transcluded from another wiki.
$wgExpensiveParserFunctionLimit – Maximum number of calls per parse to expensive parser functions such as PAGESINCATEGORY.
$wgExternalLinkTarget – Set a default target for external links.
$wgMaxGeneratedPPNodeCount (removed in 1.35) – A complexity limit on template expansion: the maximum number of nodes generated by Preprocessor::preprocessToObj()
$wgMaxPPExpandDepth – Stack depth limit for expansion with the preprocessor.
$wgMaxPPNodeCount – A complexity limit on template expansion: the maximum number of nodes visited by PPFrame::expand()
$wgMaxTemplateDepth – Maximum recursion depth for templates within templates.
$wgMaxTocLevel – Maximum indent level of the table of contents (ToC).
$wgNoFollowDomainExceptions – External links to these domain names (or any subdomains) will not be set to rel="nofollow".
$wgNoFollowLinks – If true, external URL links in wiki text will be given the rel="nofollow" attribute.
$wgNoFollowNsExceptions – Namespaces in which Manual:$wgNoFollowLinks doesn't apply.
$wgParserCacheNewKeySchemaRatio (introduced in 1.44) (removed in 1.44) – Ratio for use of new parser cache key schema.
$wgParserConf (removed in 1.36) – Parser configuration.
$wgParserEnableLegacyHeadingDOM (introduced in 1.43) (removed in 1.45) – Enable legacy HTML structure for headings in the output from the Parser.
$wgParserEnableLegacyMediaDOM (deprecated in 1.41) – Enable legacy media HTML structure in the output from the Parser.
$wgParserEnableUserLanguage (introduced in 1.43) – Set this to true to allow the {{USERLANGUAGE}} magic word to return the actual user language.
$wgParsoidExperimentalParserFunctionOutput (introduced in 1.44) – If set, Parsoid's HTML output for parser functions will be different from Parsoid HTML spec 2.x.x and lets us experiment with a better output that might be rolled out in a future 3.x Parsoid HTML version.
$wgParsoidFragmentSupport (introduced in 1.44) (removed in 1.44) – Enable fragment support in Parsoid (transclusions returning html).
$wgParsoidSettings – Default Parsoid configuration.
$wgParsoidSelectiveUpdateSampleRate (introduced in 1.43) – Sample rate for collecting statistics on Parsoid selective update.
$wgPreprocessorCacheThreshold – Preprocessor caching threshold.
$wgRegisterInternalExternals – Whether to register external links pointing to the same server.
$wgRestrictDisplayTitle – Restrict {{DISPLAYTITLE}} to titles that normalize to the same canonical database key
$wgTranscludeCacheExpiry – Expiry time for interwiki transclusion cache
$wgUrlProtocols – Defines the protocols which are supported and translated in HTML by the mediawiki parser.
$wgUseNewMediaStructure (removed in 1.37) – Emit using the new media structure described at, Parsing/Media structure
$wgUseLegacyMediaStyles (introduced in 1.41) – Temporary flag to re-enable the old thumbnail styles provided by core for the legacy media HTML structure.

HTML

$wgRawHtml – Allow raw, unchecked HTML in ‎<html>...‎</html> sections.
$wgTidyConfig – Configuration of the HTML postprocessing tool to use for fixing invalid HTML code.

Statistics and content analysis

$wgActiveUserDays – The number of days within which a person must make edits to be considered an "active" user
$wgArticleCountMethod – Method used to determine if a page in a content namespace should be counted as a valid content page (article).
$wgDisableCounters (removed in 1.35) – Disable page view counters.
$wgExperiencedUserEdits – Determines the number of edits needed to qualify at the "Experienced user" level.
$wgExperiencedUserMemberSince – Determines the number of days needed since account creation to qualify at the "Experienced user" level.
$wgLearnerEdits – Determines the number of edits needed to qualify at the "Learner" experience level.
$wgLearnerMemberSince – Determines the number of days needed since account creation to qualify at the "Learner" experience level.
$wgManualRevertSearchRadius – Maximum number of revisions of a page that will be checked against every new edit made to determine whether the edit was a manual revert.
$wgRevertedTagMaxDepth – Maximum depth (revision count) of reverts that will have their reverted edits marked with the mw-reverted change tag.

User accounts, authentication

$wgAllowRequiringEmailForResets (removed in 1.43) – Temporary feature flag that controls whether users will see a checkbox allowing them to require providing email during password resets.
$wgAutoCreateTempUser – Configuration for automatic creation of temporary accounts on page save.
$wgConditionalUserOptions (introduced in 1.42) – Default user preferences.
$wgDefaultUserOptions – Default user preferences.
$wgHiddenPrefs – Disable certain user preferences.
$wgInvalidUsernameCharacters – Characters to prevent during new account creations.
$wgMaximalPasswordLength (removed in 1.42) – Specifies the maximal length of a user password.
$wgMaxNameChars – Maximum number of bytes in username.
$wgMaxSigChars – Maximum wiki code length for customized signatures.
$wgMinimalPasswordLength (removed in 1.42) – Specifies the minimal length of a user password.
$wgPasswordPolicy – Specifies various settings related to password strength and security.
$wgReservedUsernames – List of account names that cannot exist.
$wgSignatureValidation – Behavior of signature validation.
$wgSignatureAllowedLintErrors – List of lint error codes which don't cause signature validation to fail.
$wgUserrightsInterwikiDelimiter – Character used as the separator between username and database name on Special:UserRights.

Authentication

$wgAllowSecuritySensitiveOperationIfCannotReauthenticate – Whether to allow security-sensitive operations when reauthentication is not possible
$wgAuthenticationTokenVersion – When changed, all existing sessions are invalidated.
$wgAuthManagerAutoConfig – Register authentication providers to use with AuthManager
$wgAuthManagerConfig – Manual override for authentication provider configuration
$wgCentralIdLookupProviders – Register central ID lookup providers.
$wgCentralIdLookupProvider – Default central id lookup implementation to use
$wgChangeCredentialsBlacklist – List of AuthenticationRequest class names which are not changeable through Special:ChangeCredentials and the changeauthenticationdata API.
$wgInvalidPasswordReset – Specifies if users should be sent to a password-reset form on login in case of an inadequate password.
$wgPasswordConfig – Configuration for built-in password types.
$wgPasswordDefault – Default password type to use when hashing user passwords.
$wgPasswordResetRoutes – Whether to allow password resets identified by various bits of data.
$wgReauthenticateTime – Time frame for re-authentication
$wgRememberMe – Configures RememberMe authentication request added by AuthManager.
$wgRemoveCredentialsBlacklist – List of AuthenticationRequest class names which are not removable through Special:RemoveCredentials and the removeauthenticationdata API.
$wgSecureLogin – Whether to let user authenticate using https when they come from http.
$wgSessionProviders – Session provider configuration.
$wgUserRegistrationProviders (introduced in 1.41) – User registration timestamp provider classes

User rights, access control and monitoring

$wgAddGroups – Controls who can add specific groups using Special:Userrights.
$wgAutoblockExemptions (introduced in 1.44) – List of IP addresses or CIDR ranges that are exempt from autoblocks.
$wgAutoblockExpiry – Number of seconds before autoblock entries expire
$wgBlockAllowsUTEdit – Allow blocked users to edit their talk pages
$wgDeleteRevisionsBatchSize – Page deletions with > this number of revisions will use the job queue.
$wgDnsBlacklistUrls – List of DNS blacklists to use, if $wgEnableDnsBlacklist is true.
$wgEmailConfirmToEdit – Require users to confirm email address before they can edit, true to enable.
$wgEnableDnsBlacklist – Whether to use DNS blocklists in $wgDnsBlacklistUrls to check for open proxies.
$wgGrantPermissionGroups – Used to define grant groups and assign grants to them.
$wgGrantPermissions – Used to define grants and assign permissions to them.
$wgGrantRiskGroups (introduced in 1.42) – Group grants by risk level.
$wgGroupInheritsPermissions – Groups that should inherit permissions from another group.
$wgGroupPermissions – Use this to set access rights for groups and users in these groups.
$wgGroupsAddToSelf – Use this to allow users to add themselves to specified groups via Special:Userrights.
$wgGroupsRemoveFromSelf – Use this to allow users to remove themselves from specified groups via Special:Userrights.
$wgHideUserContribLimit – The maximum number of edits a user can have and can still be hidden by users with the hideuser permission.
$wgImplicitGroups – Groups that are not shown on Special:Listusers or somewhere else
$wgPasswordAttemptThrottle – Limit password attempts per IP per address.
$wgPrivilegedGroups (introduced in 1.40.1) – List of groups which should be considered privileged (user accounts belonging in these groups can be abused in dangerous ways).
$wgProxyList – A list of IP addresses to be banned
$wgProxyWhitelist – Proxy allowlist: list of addresses that are assumed to be non-proxy despite what the other methods might say.
$wgRateLimitsExcludedIPs – Array of IPs/CIDR ranges which should never trigger the rate limiter.
$wgRateLimits – Simple rate limiter options to brake edit floods.
$wgRemoveGroups – Controls who can remove specific groups using Special:Userrights.
$wgRevokePermissions – Permission keys revoked from users in each group.
$wgWhitelistReadRegexp – Whitelists publicly readable titles with regular expressions.
$wgWhitelistRead – Pages anonymous user may see.

Access

Blocking/banning, and some other related settings.

$wgAccountCreationThrottle – Number of accounts each IP address may create, 0 to disable.
$wgApplyIpBlocksToXff – Apply IP address blocks also to users having a blocked IP in their XFF header.
$wgAutoConfirmAge – Number of seconds an account is required to age before it's given the implicit autoconfirmed group membership.
$wgAutoConfirmCount – Number of edits an account requires before it is autoconfirmed.
$wgAutopromoteOnceLogInRC – Whether to put user rights log entries for autopromotion in recent changes.
$wgAutopromoteOnceRCExcludedGroups (introduced in 1.44) – Defines a denylist of group names.
$wgAutopromoteOnce – Conditions of automatic promotion of user to specific groups that are done only once.
$wgAutopromote – Conditions of automatic promotion of user to specific groups
$wgAvailableRights – A list of available rights, in addition to the ones defined by the core.
$wgBlockCIDRLimit – Maximum CIDR range when blocking an IP range.
$wgBlockDisablesLogin – If set to true, blocked users will no longer be allowed to log in
$wgBlockTargetMigrationStage (introduced in 1.42) (deprecated in 1.43) – ipblocks table schema migration stage, for normalizing ipb_address field and adding the block_target table.
$wgBotPasswordsCluster (deprecated in 1.42) – Cluster name for the bot_passwords table
$wgBotPasswordsDatabase (deprecated in 1.42) – Database name for the bot_passwords table
$wgCascadingRestrictionLevels – Restriction levels that can be used with cascading protection
$wgDeleteRevisionsLimit – Integer of how many revisions a page must have before the bigdelete right is required to delete it.
$wgEnableBotPasswords – Whether to enable bot passwords
$wgEnableMultiBlocks (introduced in 1.42) – If this is false, the number of blocks of a given target is limited to only 1.
$wgEnablePartialBlocks (removed in 1.35) – Allow partial blocks to be created
$wgEnablePartialActionBlocks – Flag to enable partial blocks against performing certain actions.
$wgHideIdentifiableRedirects – Protects user's privacy when doing redirects
$wgImplicitRights (introduced in 1.41) – A list of implicit rights, in addition to the ones defined by the core.
$wgNamespaceProtection – Which namespaces can be edited by whom?
$wgNonincludableNamespaces – Use this to deny inclusion of pages from specific namespaces.
$wgPutIPinRC – Log IP addresses in the recentchanges table.
$wgQueryPageDefaultLimit – Integer defining default number of entries to show on query pages
$wgRestrictionLevels – Set of permission keys that can be selected on the "page protection" page.
$wgRestrictionTypes – Actions that can be restricted
$wgSemiprotectedRestrictionLevels – Restriction levels that are considered "semi-protected"
$wgSoftBlockRanges – IP ranges that should be considered soft-blocked (anon-only, account creation allowed)
$wgSpamRegex – A regular expression pattern which, if the page content matched it, stops a page from being saved.
$wgSummarySpamRegex – Same as $wgSpamRegex except for edit summaries.
$wgSysopEmailBans (removed in 1.35) – Allow sysops to ban users from accessing Special:Emailuser.
$wgTempAccountCreationThrottle (introduced in 1.42) – Number of temporary accounts each IP address may create per specified period(s).
$wgTempAccountNameAcquisitionThrottle (introduced in 1.42) – Number of temporary accounts usernames each IP address may acquire per specified period(s).

See Manual:Preventing access for more methods and settings concerning access. See also Manual:User rights for more information about $wgGroupPermissions, $wgAddGroups, $wgRemoveGroups, etc.

See User Access for User Access settings.

Security

$wgAllowCrossOrigin – Allow anonymous cross origin requests to the REST API.
$wgAllowUserCssPrefs – Allow user preferences implemented in CSS.
$wgAllowUserCss – Allow user Cascading Style Sheets (CSS)
$wgAllowUserJs – Allow user JavaScript pages
$wgApiFrameOptions – Control framing of api pages.
$wgBreakFrames – Break out of framesets. This can be used to prevent external sites from framing your site with ads.
$wgCSPFalsePositiveUrls – Controls what URLs to ignore in upcoming Content-Security-Policy feature's reporting.
$wgCSPHeader – Controls Content-Security-Policy header [Experimental]
$wgCSPReportOnlyHeader – Controls Content-Security-Policy-Report-Only header [Experimental]
$wgEditPageFrameOptions – Control framing of wiki pages globally.
$wgHKDFAlgorithm (removed in 1.43) – Algorithm for HMAC-based key derivation function (fast, cryptographically secure random numbers).
$wgHKDFSecret (removed in 1.43) – Secret for HMAC-based key derivation function (fast, cryptographically secure random numbers).
$wgRestAllowCrossOriginCookieAuth – Allows authenticated cross-origin requests to the REST API with session cookies.
$wgSecretKey – This should always be customized to a secret, unique string in LocalSettings.php .
$wgSessionInsecureSecrets (removed in 1.43) – Allows MediaWiki to work at the cost of storing sensitive session data insecurely.
$wgSessionSecret – Secret for session storage.
$wgUseSiteCss – Use the site's Cascading Style Sheets (CSS)
$wgUseSiteJs – Use the site's JavaScript page

$wgCacheVaryCookies – A list of cookies that influence the cache.
$wgCookieDomain – Explicit domain for login cookies.
$wgCookieExpiration – Number of seconds before HTTP cookies expire. You can override this for 'Keep me logged in' cookies with $wgExtendedLoginCookieExpiration
$wgCookieHttpOnly – Set the httpOnly flag on all cookies set by MediaWiki (to prevent access from JavaScript).
$wgCookiePath – Explicitly declared "path" for cookies at the cookie domain
$wgCookiePrefix – Custom cookie prefix.
$wgCookieSameSite – The SameSite cookie attribute used for login cookies.
$wgCookieSecure – Whether cookies are secured.
$wgCookieSetOnAutoblock – Determines whether to set a cookie when a user is autoblocked. Doing so means that a blocked user, even after logging out and moving to a new IP address, will still be blocked.
$wgCookieSetOnIpBlock – Determines whether to set a cookie when an IP user is blocked. Doing so means that a blocked user, even after moving to a new IP address, will still be blocked.
$wgDisableCookieCheck (removed in 1.42) – Disables session cookies
$wgExtendedLoginCookieExpiration – If non-null, duration in seconds to use for "Keep me logged in" sessions; 0 means until the browser is closed. If null, uses $wgCookieExpiration
$wgSessionName – Override to customize the session name.
$wgUseSameSiteLegacyCookies (removed in 1.42) – Send a legacy cookie with an ss0- prefix when SameSite=None is sent.

Profiling, testing and debugging

$wgCachePrefix – Custom value for the cache key prefix.
$wgEnableJavaScriptTest – Allows running of JavaScript test suites via Special:JavaScriptTest (such as QUnit).
$wgParserTestFiles (removed in 1.40) – Parser test suite files to be run by parserTests.php.

Debug

See also: Manual:How to debug

$wgDebugComments – Include portions of log output in page HTML comment
$wgDebugDumpSql – Dump SQL queries to debug output
$wgDebugLogFile – The file name of the debug log, or empty if disabled.
$wgDebugLogGroups – Direct wfDebugLog() output for certain groups to files other than $wgDebugLogFile .
$wgDebugLogPrefix – Prefix for debug log lines.
$wgDebugRawPage – If false, 'action=raw' and load.php hits will not result in debug output.
$wgDebugRedirects – Displays redirect location instead of actually redirecting to the target URL
$wgDebugTimestamps (removed in 1.35) – Prefix debug messages with relative timestamp.
$wgDebugToolbar – Display the debugging toolbar
$wgDeprecationReleaseLimit – Release limitation to wfDeprecated warnings.
$wgDevelopmentWarnings – Whether to throw PHP notices for some possible error conditions and for deprecated functions.
$wgLogExceptionBacktrace – Whether to send the exception backtrace to the error log.
$wgMWLoggerDefaultSpi – Default service provider for creating MWLogger instances.
$wgOverrideHostname – Override server hostname detection with a hardcoded value.
$wgPageInfoTransclusionLimit – Limit template transclusion on InfoAction
$wgPropagateErrors – If true, the MediaWiki error handler passes errors/warnings to the default error handler after logging them.
$wgShowDBErrorBacktrace (removed in 1.37) – If true, show a backtrace for database errors.
$wgShowDebug – Show debug data at bottom of content area
$wgShowExceptionDetails – If set to true, uncaught exceptions will print a detailed stack trace to output.
$wgShowHostnames – If set to true, exposes host names through API and HTML comments.
$wgShowSQLErrors (removed in 1.37) – Whether to show SQL errors on "we're sorry, but there has been a database error" pages.
$wgSpecialVersionShowHooks – Whether to show the contents of $wgHooks in Special:Version.
$wgTrxProfilerLimits – Performance expectations for DB usage

Profiling

$wgEnableProfileInfo (removed in 1.35) – Controls the availability of profileinfo.php.
$wgMetricsTarget (removed in 1.40) – Output target URI for the MetricsFactory service, e.g. udp://127.0.0.1:8125.
$wgMetricsPrefix (removed in 1.40) – Service name prefix for the MetricsFactory service.
$wgMetricsFormat (removed in 1.40) – Output format for the MetricsFactory service, e.g. 'statsd'.
$wgOpenTelemetryConfig (introduced in 1.43) – Configuration for OpenTelemetry instrumentation, or null to disable it.
$wgProfiler – Settings related to profiling.
$wgProfileLimit (removed in 1.35) – Only record profiling info for pages that took longer than this number of seconds to load.
$wgProfileOnly (removed in 1.35) – Don't put non-profiling info into log file
$wgStatsdMetricPrefix – Prefix for metric names sent to $wgStatsdServer
$wgStatsdSamplingRates (removed in 1.43) – Sampling rate for statsd metrics as an associative array of patterns and rates.
$wgStatsdServer – A host or host:port of a statsd server.
$wgStatsFormat (introduced in 1.40) – Output format for the StatsFactory service, e.g. 'statsd'.
$wgStatsPrefix (introduced in 1.40) – Service name prefix for the StatsFactory service.
$wgStatsTarget (introduced in 1.40) – Output target URI for the StatsFactory service, e.g. udp://127.0.0.1:8125.

$wgAdvancedSearchHighlighting – Set to true to have more useful text snippets in search results.
$wgDisableInternalSearch – Disable internal search so that extensions can implement it.
$wgDisableSearchUpdate – If you've disabled search semi-permanently, this also disables updates to the table.
$wgDisableTextSearch – Disable full-text search.
$wgEnableOpenSearchSuggest (removed in 1.40) – Enable OpenSearch suggestions requested by MediaWiki.
$wgEnableSearchContributorsByIP – Whether searching for an IP address will be redirected to that IP's contributions page.
$wgNamespacesToBeSearchedDefault – Which namespaces should be searched?
$wgOpenSearchDefaultLimit – Integer defining default number of entries to show on OpenSearch call.
$wgOpenSearchDescriptionLength – Minimum length of extract in ‎<Description>.
$wgOpenSearchTemplates – Templates for OpenSearch suggestions.
$wgOpenSearchTemplate (removed in 1.42) – Template for OpenSearch suggestions.
$wgSearchForwardUrl – Set this to a URL to forward search requests to an external location.
$wgSearchHighlightBoundaries – Regexp to match word boundaries
$wgSearchMatchRedirectPreference – Set true to allow logged-in users to set a preference whether or not matches in search results should force redirection to that page.
$wgSearchRunSuggestedQuery – If search returns zero results and current search engine has a "did you mean" suggestion, results for the suggestion will be shown.
$wgSearchSuggestCacheExpiry – Expiry time for search suggestion responses.
$wgSitemapNamespacesPriorities – Custom namespace priorities for sitemaps.
$wgSitemapNamespaces – Array of namespaces identified by their IDs to generate a sitemap or false for all namespaces.
$wgSpecialSearchFormOptions – Options for Special:Search completion widget form created by SearchFormWidget class.
$wgUseTwoButtonsSearchForm (removed in 1.36) – Sidebar's search form behavior.

Edit user interface

$wgDiff3 – Path to the GNU diff3 utility.
$wgDiff – Path to the GNU diff utility.
$wgPreviewOnOpenNamespaces – Namespaces where preview-on-first-edit is forced.
$wgUniversalEditButton – Enable the UniversalEditButton for browsers that support it.
$wgUseAutomaticEditSummaries – Whether MediaWiki should make automatic edit summaries.

Maintenance Scripts setting

$wgCommandLineDarkBg – Assume a dark terminal background for maintenance scripts.
$wgCommandLineMode – Indicates whether MW is running in command-line mode. Should never be set manually!
$wgGitBin – Path to the git binary.
$wgGitRepositoryViewers – Map of Git repository URLs to their gitweb interface URLs
$wgInstallerInitialPages (introduced in 1.44) – Pages to autocreate after installing MediaWiki.
$wgReadOnlyFile – If this file is found, the database is locked for the reason given in the contents of the file.
$wgReadOnlyWatchedItemStore – Set this to true to put the wiki watchlists into read-only mode.
$wgReadOnly – Disallows editing, displaying the string given as the reason.
$wgUpgradeKey – Password that controls access to web-based updater.

Recent changes, new pages, watchlist and history

See also Help:Recent changes and $wgDefaultUserOptions .

$wgDisableAnonTalk – Disable talk pages for anonymous users (not logged in).
$wgRCChangedSizeThreshold – Highlight character count difference lower than this.
$wgRCEngines (deprecated in 1.38) – Legacy mapping from URI schemes to RCFeed subclasses.
$wgRCFeeds – Configuration for sending RC updates
$wgRCFilterByAge – Filter $wgRCLinkDays by $wgRCMaxAge to avoid showing links for numbers higher than what will be stored.
$wgRCLinkDays – List days options to list in the Special:Recentchanges and Special:Recentchangeslinked pages.
$wgRCLinkLimits – List changes limits options to list in the Special:Recentchanges and Special:Recentchangeslinked pages.
$wgRCMaxAge – Items in the recentchanges table are periodically purged; entries older than this many seconds will go.
$wgRCShowChangedSize – Show the amount of changed characters in recent changes.
$wgRCShowWatchingUsers – Show watching users in recent changes, watchlist and page history views.
$wgRCWatchCategoryMembership – Treat category membership changes as a RecentChange.
$wgRecentChangesFlags – Flags (letter symbols) shown in recent changes and watchlist to indicate certain types of edits.
$wgShowUpdatedMarker – Show new changes: bold in watchlist, with updated since your last visit in history.
$wgSoftwareTags – List of core tags to enable.
$wgStructuredChangeFiltersLiveUpdatePollingRate – Polling rate, in seconds, used by the 'live update' feature of Special:RecentChanges and Special:Watchlist
$wgUnwatchedPageSecret – If active watchers (per $wgWatchersMaxAge ) are this number or less, do not disclose it.
$wgUnwatchedPageThreshold – Allows users without the "unwatchedpages" user right to view the number of page watchers for a specified page via the "info" action if the number of watchers is above the specified threshold.
$wgUseFilePatrol – Use file patrolling to check new files on Special:NewFiles
$wgUseNPPatrol – Use new pages patrolling to check for vandalism
$wgUseRCPatrol – Use RC patrolling to check for vandalism
$wgUseTagFilter – Allow filtering by change tag in recentchanges, history, etc.
$wgWatchersMaxAge – Page watchers inactive for more than this many seconds are considered inactive. Used mainly by action=info .
$wgWatchlistExpiryMaxDuration – Relative maximum duration for watchlist expiries, as accepted by strtotime().
$wgWatchlistExpiry – Enable the watchlist expiry feature.
$wgWatchlistPurgeRate – The per-edit rate at which expired watchlist items will be purged from the database.
$wgLearnerEdits – Determines the number of edits needed to qualify at the "Learner" experience level.
$wgLearnerMemberSince – Determines the number of days needed since account creation to qualify at the "Learner" experience level.
$wgExperiencedUserEdits – Determines the number of edits needed to qualify at the "Experienced user" level.
$wgExperiencedUserMemberSince – Determines the number of days needed since account creation to qualify at the "Experienced user" level.

Feed

$wgFeed – Toggle syndication feeds (RSS, Atom e.g. Recentchanges, Newpages) on and off.
$wgAdvertisedFeedTypes – Feed types that should be provided by default.
$wgFeedCacheTimeout – Minimum timeout for cached Recentchanges feed, in seconds.
$wgFeedClasses – Available feeds objects.
$wgFeedDiffCutoff – When generating Recentchanges RSS/Atom feed, diffs will not be generated for pages larger than this size.
$wgFeedLimit – Set maximum number of results to return in syndication feeds (RSS, Atom) for e.g. Recentchanges, Newpages.
$wgOverrideSiteFeed – Override the site's default rss/atom feed that appears on every page.

$wgMaxCredits – Set this to the number of authors that you want to be credited below an article text.
$wgRightsIcon – Override for copyright metadata.
$wgRightsPage – Override for copyright metadata.
$wgRightsText – Override for copyright metadata.
$wgRightsUrl – Override for copyright metadata.
$wgShowCreditsIfMax – If there are more than $wgMaxCredits authors, show $wgMaxCredits of them.
$wgUseCopyrightUpload – Set this to true if you want detailed copyright information forms on Upload.

Import/Export

$wgExportAllowAll – Whether to allow exporting the entire wiki into a single file.
$wgExportAllowHistory – Controls the availability of the full-history feature on "Special:Export".
$wgExportAllowListContributors – Controls whether to allow to list all contributors while exporting a page using Special:Export.
$wgExportFromNamespaces – Whether to allow the "export all pages in namespace" option.
$wgExportMaxHistory – Requests using "Special:Export" for pages with a revision history higher than set will be rejected.
$wgExportMaxLinkDepth – Maximum value of the "pagelink-depth" parameter in Special:Export.
$wgExportPagelistLimit – Maximum number of pages returned by the GetPagesFromCategory and GetPagesFromNamespace functions.
$wgImportSources – List of interwiki prefixes for wikis we'll accept as sources for Special:Import
$wgImportTargetNamespace – Optional default target namespace for interwiki imports.
$wgXmlDumpSchemaVersion – The schema to use by default when generating XML dumps.

Extensions

$wgAutoloadAttemptLowercase (removed in 1.40) – Switch controlling legacy case-insensitive classloading.
$wgAutoloadClasses – Array mapping class names to filenames, for autoloading.
$wgEnableParserLimitReporting – Controls whether the NewPP parser report is output in a HTML comment.
$wgExtensionCredits – Global list of extension credits
$wgExtensionEntryPointListFiles – Array of files with list(s) of extension entry points to be used in maintenance/mergeMessageFileList.php
$wgExtensionFunctions – A list of callback functions which are called once MediaWiki is fully initialised.
$wgExtensionMessagesFiles – Extension messages files.
$wgHooks – Global list of hooks.
$wgJobBackoffThrottling – Number of times work items of a job type can be run per second.
$wgJobClasses – Maps jobs to their handling classes.
$wgJobQueueIncludeInMaxLagFactor – Whether to include the number of jobs that are queued for the API's maxlag parameter.
$wgJobSerialCommitThreshold (removed in 1.42) – Make job runners commit changes for replica DB-lag prone jobs one job at a time.
$wgJobTypeConf – Configuration for job storage.
$wgJobTypesExcludedFromDefaultQueue – Jobs that must be explicitly requested, i.e. aren't run by job runners unless special flags are set.
$wgMessagesDirs – Extension messages directories.
$wgPagePropLinkInvalidations – Page property link table invalidation lists.
$wgParserOutputHooks (removed in 1.41) – Parser output hooks.
$wgServiceWiringFiles – List of service wiring files to be loaded by the default instance of MediaWikiServices.
$wgSpecialPageCacheUpdates – Additional functions to be performed with updateSpecialPages.php .
$wgSpecialPages – A list of custom special pages.
$wgValidSkinNames – List of valid skin names. Skins can optionally use this variable to tell MediaWiki that they are available.