Manual:Configuration settings (alphabetical)

This is an index of all supported configuration options based on the DefaultSettings.php file.

Never edit DefaultSettings; copy appropriate lines to LocalSettings.php instead and amend them as appropriate.

This index is in alphabetical order (ignoring the $wg prefix). Note that the only setting without this prefix is $IP, which is listed under I.

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

Jump to letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

• $wgAccountCreationThrottle - Number of accounts each IP address may create, 0 to disable. Requires memcached.
• $wgActionPaths - Paths for various user actions. Used to 'pretty' URLs.
• $wgActiveUserDays - The number of days a person must make edits to be considered an "active" user
• $wgActiveUserEditCount (deprecated in 1.16) - The number of edits a person must make to be considered an "active" user
• $wgAddGroups - allow finer control over usergroup assignment.
• $wgAdvancedSearchHighlighting - Set to true to have nicer highligted text in search results.
• $wgAjaxExportList - List of functions in AjaxFunctions.php that are callable via action=ajax.
• $wgAjaxLicensePreview - Allow preview licences during upload via AJAX.
• $wgAjaxSearch (deprecated in 1.14) - Enables search-suggestions.
• $wgAjaxUploadDestCheck - Enable AJAX check for file overwrite, pre-upload.
• $wgAjaxWatch - Enable watching/unwatching pages using AJAX.
• $wgAllDBsAreLocalhost - Make all database connections secretly go to localhost. Useful for debugging.
• $wgAllowCategorizedRecentChanges - Allow to filter the recent changes by a category or one of its sub(subsubsub...)categories
• $wgAllowCopyUploads - Allow uploads from URLs as well as local files.
• $wgAllowDisplayTitle - Allows use of DISPLAYTITLE magic word.
• $wgAllowExternalImages - Whether to allow inline image pointing to other websites.
• $wgAllowExternalImagesFrom - If $wgAllowExternalImages is false, you can specify an exception here.
• $wgAllowHTMLEmail - Allow sending HTML email in addition to plain text
• $wgAllowImageMoving - Allow to move images, experimental
• $wgAllowPageInfo (deprecated in 1.19) - Allow the "info" action, very inefficient at the moment.
• $wgAllowSlowParserFunctions - Allow other parser functions like "pagesinnamespace".
• $wgAllowSpecialInclusion - Allow special page inclusions such as {{Special:Allpages}}.
• $wgAllowTitlesInSVG - If true, <title> will be allowed in files with an "image/svg" MIME type.
• $wgAllowUserCss - Allow user Cascading Style Sheets (CSS)
• $wgAllowUserJs - Allow user Javascript pages
• $wgAlternateMaster (deprecated in 1.13) - A map of database name to connection index.
• $wgAlwaysUseTidy
• $wgAmericanDates - Enable for English module to print dates as eg 'May 12' instead of '12 May'.
• $wgAntiLockFlags - Anti-lock flags.
• $wgAntivirus - Internal name of virus scanner.
• $wgAntivirusRequired - Determines if a failed virus scan (AV_SCAN_FAILED) will cause the file to be rejected.
• $wgAntivirusSetup - Configuration for different virus scanners.
• $wgAPIListModules - API list module extensions.
• $wgAPIMaxDBRows - Maximum amount of rows to scan in a DB query in the API.
• $wgAPIMetaModules - API meta module extensions.
• $wgAPIModules - API module extensions.
• $wgAPIPropModules - API prop module extensions.
• $wgAppleTouchIcon - Optional URL to an icon to use when bookmarking to the home screen on Apple handheld devices.
• $wgArticlePath - The URL template used to create article links.
• $wgArticleRobotPolicies - Allow customisation of robot policies on a per-article basis.
• $wgAuth - Authentication plugin. See AuthPlugin.
• $wgAutoblockExpiry - Number of seconds before autoblock entries expire
• $wgAutoConfirmAge - Number of seconds an account is required to age before it's given the implicit 'autoconfirm' group membership. This can be used to limit privileges of new accounts.
• $wgAutoConfirmCount - Number of edits an account requires before it is autoconfirmed; passing both this AND the time requirement ($wgAutoConfirmAge) is needed
• $wgAutoloadClasses - Array mapping class names to filenames, for autoloading.
• $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.

B

• $wgBlockAllowsUTEdit - Allow blocked users to edit their talk pages
• $wgBlockOpenProxies - Automatic open proxy test on edit.
• $wgBreakFrames - Break out of framesets.
• $wgBrowserBlackList - Browser Blacklist for unicode non compliant browsers.

C

• $wgCacheEpoch - Set this to current time to invalidate all prior cached pages.
• $wgCachePages - Allow client-side caching of pages
• $wgCacheSharedUploads - Cache shared metadata in memcached.
• $wgCacheVaryCookies - A list of cookies that vary the cache.
• $wgCapitalLinks - Set this to false to avoid forcing the first letter of links to capitals.
• $wgCategoryMagicGallery - On category pages, show thumbnail gallery for images belonging to that category instead of listing them as articles.
• $wgCategoryPagingLimit - Paging limit for items in categories.
• $wgCategoryPrefixedDefaultSortkey (deprecated in 1.17) - Apply/remove page prefix (namespace name) at default category sortkey
• $wgCheckDBSchema (deprecated in 1.11)
• $wgCheckFileExtensions - This is a flag to determine whether or not to check file extensions on upload.
• $wgCheckSerialized (deprecated in 1.16) - Check if serialised files are up to date.
• $wgCleanSignatures - If true, removes (substitutes) templates in "~~~~" signatures.
• $wgClockSkewFudge - Helps avoid cache problems due to timer resolution.
• $wgColorErrors - Whether to color command-line error messages.
• $wgCommandLineMode - Indicates whether MW is running in command-line mode. Should never be set manually!
• $wgCommandLineDarkBg
• $wgCompressRevisions - If this is set on, all future revisions will be compressed on page save, but only if zlib support is available and enabled in PHP.
• $wgConf - Create a site configuration object. Not used for much in a default install.
• $wgContentNamespaces - Namespaces which are considered to contain real content, or articles.
• $wgCookieDomain - Set to set an explicit domain on the login cookies.
• $wgCookieExpiration - Number of seconds before HTTP cookies expire.
• $wgCookieHttpOnly - Set authentication cookies to httpOnly to prevent stealing by JS, in browsers that support this feature.
• $wgCookiePath
• $wgCookiePrefix - Custom cookie prefix.
• $wgCookieSecure - Whether cookies are secured.
• $wgCopyrightIcon (deprecated in 1.17) - Set this to some HTML to override the rights icon with an arbitrary logo.
• $wgCountCategorizedImagesAsUsed - On Special:Unusedimages, consider images "used" if they are put into a category.
• $wgCustomConvertCommand - Use another resizing converter, e.g. GraphicMagick.

D

• $wgDBadminpassword - The password for $wgDBadminuser.
• $wgDBadminuser - Database username used by the maintenance scripts.
• $wgDBAvgStatusPoll - Time before the server get a SHOW STATUS query under overload conditions.
• $wgDBClusterTimeout (removed in 1.24) - When to give error messages.
• $wgDBerrorLog - File to log MySQL errors to.
• $wgDBmwschema - Schema that Postgres stores the MediaWiki tables in. Defaults to 'mediawiki'
• $wgDBmysql5 - Set to true to set MySQL connection into UTF-8 encoding
• $wgDBname - Name of the database.
• $wgDBpassword - The password for $wgDBuser.
• $wgDBport - Database port.
• $wgDBprefix - Table name prefix.
• $wgDBserver - Database host name or ip address.
• $wgDBservers - Database load balancer.
• $wgDBTableOptions - MySQL table options to use during installation or update.
• $wgDBtransactions (deprecated in 1.20) - Set to true if using InnoDB tables.
• $wgDBtype - Type of database.
• $wgDBuser - Database username.
• $wgDebugAPI - Enable API debugging by removing some restrictions like POST-only
• $wgDebugComments
• $wgDebugDBTransactions - Trace lifecycle of the database transaction (opening, commit, rollback)
• $wgDebugDumpSql
• $wgDebugFunctionEntry - Output debug message on every wfProfileIn/wfProfileOut
• $wgDebugLogFile - The file name of the debug log, or empty if disabled. wfDebug() appends to this file.
• $wgDebugLogGroups - Direct wfDebugLog() output to file rather than $wgDebugLogFile on a group basis.
• $wgDebugProfiling - Detects non-matching wfProfileIn/wfProfileOut calls
• $wgDebugRawPage - Avoid overlapping debug entries by leaving out CSS.
• $wgDebugRedirects
• $wgDebugSquid (deprecated in 1.16) - Lots of debugging output from SquidUpdate.php
• $wgDebugTidy - Put tidy warnings in HTML comments, only works for internal tidy.
• $wgDefaultExternalStore - The place to put new revisions.
• $wgDefaultLanguageVariant - Default variant code, if false, the default will be the language code.
• $wgDefaultRobotPolicy - Default robots exclusion policy for the wiki.
• $wgDefaultSkin - The default skin.
• $wgDefaultUserOptions - Settings added to this array will override the language globals for the user preferences used by anonymous visitors and newly created accounts.
• $wgDeleteRevisionsLimit - Integer of how many revisions an article must have before the bigdelete right is required to delete it.
• $wgDiff - Path to the GNU diff utility.
• $wgDiff3 - Path to the GNU diff3 utility.
• $wgDirectoryMode - Default value for chmoding of new directories.
• $wgDisableAnonTalk - Disable talk pages for anonymous users (IPs).
• $wgDisableCookieCheck
• $wgDisableCounters
• $wgDisabledActions (deprecated in 1.18) - Array of disabled article actions, e.g. view, edit, dublincore, delete, etc.
• $wgDisableHardRedirects - Disable redirects to special pages and interwiki redirects, which use a 302 and have no "redirected from" link.
• $wgDisableInternalSearch - Disable internal search so that extensions can implement it.
• $wgDisableLangConversion - Whether to enable language variant conversion.
• $wgDisableOutputCompression - Disable output compression (enabled by default if zlib is available).
• $wgDisableQueryPages - Disable all query pages if miser mode is on, not just some.
• $wgDisableQueryPageUpdate - Array of special pages that should not be updated.
• $wgDisableSearchContext
• $wgDisableSearchUpdate - If you've disabled search semi-permanently, this also disables updates to the table.
• $wgDisableTextSearch - Disables full text search.
• $wgDisableTitleConversion - Whether to enable language variant conversion for links.
• $wgDjvuDump - Path of 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 - Path of the djvutoxml executable.
• $wgDocType - The doc type to use in the <!DOCTYPE !> declaration.
• $wgDTD

E

• $wgEditEncoding
• $wgEditPageFrameOptions - Control framing of wiki pages globally.
• $wgEmailAuthentication - Whether Email authentication (confirmation) is needed for that wiki for using any Email function (except password reminder which works independently from this setting)
• $wgEmailConfirmToEdit - Require a confirmed address to edit pages (for version 1.6 and newer)
• $wgEmergencyContact - Site admin email address
• $wgEnableAPI - Enable direct access to the data API through api.php.
• $wgEnableCascadingProtection (deprecated in 1.13) - Enable cascade protection.
• $wgEnableCreativeCommonsRdf (deprecated in 1.19) - Includes licensing information derived from Creative Commons licenses.
• $wgEnableDnsBlacklist - Use DNS blacklists in $wgDnsBlacklistUrls to check for open proxies.
• $wgEnableDublinCoreRdf (deprecated in 1.19)
• $wgEnableEmail - Set to true to enable the e-mail basic features: Password reminders, etc.
• $wgEnableImageWhitelist - Enable an on-wiki image whitelist at MediaWiki:External image whitelist if $wgAllowExternalImages is false.
• $wgEnableMWSuggest - Enable suggestions while typing in search boxes.
• $wgEnableParserCache - Keep parsed pages in a cache (objectcache table, turck, or memcached) to speed up output of the same page viewed by another user with the same options.
• $wgEnableScaryTranscluding - Enable scary transclusion (transcluding from another wiki)
• $wgEnableSidebarCache
• $wgEnableSorbs (deprecated in 1.16) - Use http.dnsbl.sorbs.net to check for open proxies.
• $wgEnableUploads - Set to true to allow logged-in users to upload files.
• $wgEnableUserEmail - Set to true to enable user-to-user e-mail.
• $wgEnableWriteAPI - Allow the API to be used to perform write operations (page edits, rollback, etc.) when an authorised user accesses it.
• $wgEnotifFromEditor - Email notifications appear to be coming from the page editor (not from Wiki server)
• $wgEnotifImpersonal - Send a generic mail instead of a personalised mail for each user.
• $wgEnotifMaxRecips - Maximum number of users to mail at once when using impersonal mail.
• $wgEnotifMinorEdits - Email notifications also for "minor edits" (user preference is shown and user needs to opt-in)
• $wgEnableNewpagesUserFilter - Enable user search in Special:Newpages.
• $wgEnotifRevealEditorAddress - reply-to address of Email notifications may be filled with page editor's address (user preference is shown and user needs to opt-in)
• $wgEnotifUseJobQ - Send mails via the job queue.
• $wgEnotifUserTalk - Email notifications can be sent for first change on a user_talk page (user preference is shown and user needs to opt-in)
• $wgEnotifWatchlist - Email notifications can be sent for the first change on watched pages (user preference is shown and user needs to opt-in)
• $wgExceptionHooks - Hooks that are used for outputting exceptions.
• $wgExemptFromUserRobotsControl - An array of namespace keys in which the __INDEX__/__NOINDEX__ magic words will not function.
• $wgExpensiveParserFunctionLimit - Maximum number of calls per parse to expensive parser functions such as PAGESINCATEGORY.
• $wgExportAllowHistory - Enable the full-history option on Special:Export.
• $wgExportAllowListContributors
• $wgExportMaxHistory - Special:Export requests for history of pages with more revisions than this will be rejected.
• $wgExtensionAliasesFiles (deprecated in 1.16) - Aliases for special pages provided by extensions.
• $wgExtensionCredits -
• $wgExtensionMessagesFiles - Extension messages files.
• $wgExtensionFunctions - Global list of extension credits
• $wgExternalDiffEngine - Name of the external diff engine to use.
• $wgExternalLinkTarget - Set a default target for external links.
• $wgExternalServers - An array of external MySQL servers.
• $wgExternalStores - External stores allow including content from non database sources following URL links.
• $wgExtraLanguageNames - List of language names or overrides for default names in Names.php.
• $wgExtraNamespaces - Additional namespaces.
• $wgExtraRandompageSQL (deprecated in 1.16) - Filter for Special:Randompage. Part of a WHERE clause.
• $wgExtraSubtitle - The subtitle to appear under every title.

F

• $wgFavicon - The URL of the site favicon.
• $wgFeed - Toggle syndication feeds on and off.
• $wgFeedCacheTimeout - 'Minimum timeout for cached Recentchanges feed, in seconds.
• $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 eg Recentchanges, Newpages.
• $wgFetchCommonsDescriptions - Whether to fetch commons image description pages and display them on the local wiki.
• $wgFileBlacklist - Files with these extensions will never be allowed as uploads.
• $wgFileCacheDirectory - This is the directory where cached page will be saved when using file caching.
• $wgFileExtensions - This is the list of preferred extensions for uploading files. Uploading files with extensions not in this list will trigger a warning.
• $wgFileStore (deprecated in 1.17) - File storage paths; currently used only for deleted files.
• $wgFilterCallback - Similarly (to $wgSpamRegex) if this function returns true
• $wgFooterIcons
• $wgForceUIMsgAsContentMsg
• $wgForcedRawSMaxage - Default maximum age for raw CSS/JS accesses.
• $wgForeignFileRepos - An array of repository structure for foreigns repositories.

G

• $wgGenerateThumbnailOnParse - Allow thumbnail rendering on page view.
• $wgGitRepositoryViewers - Map GIT revision numbers and repository URLs to their respective gitweb URLs in Special:Version
• $wgGoToEdit - Go button goes straight to the edit screen if the article doesn't exist
• $wgGrammarForms - Used for {{GRAMMAR:}} parser function.
• $wgGroupPermissions - Use this to set access rights for groups and users.
• $wgGroupsAddToSelf - allow users to add themselves from specified groups via Special:Userrights
• $wgGroupsRemoveFromSelf - allow users to remove themselves from specified groups via Special:Userrights+

H

• $wgHandheldForIPhone (deprecated in 1.22) - If set, 'screen' and 'handheld' media also apply to the iPhone/iPod Touch Mobile Safari.
• $wgHandheldStyle (deprecated in 1.22) - Style for media="handheld".
• $wgHashedSharedUploadDirectory - Whether to hash the shared upload directory.
• $wgHashedUploadDirectory - If true, use the /a/ab/foo.png directory structure.
• $wgHideInterlanguageLinks - Hide interlanguage links from the sidebar.
• $wgHiddenPrefs - Disable certain user preferences.
• $wgHitcounterUpdateFreq - Sets how often page counters should be updated.
• $wgHooks - Global list of hooks.
• $wgHTCPMulticastAddress - Not used yet. Commented out.
• $wgHTCPMulticastTTL
• $wgHTCPPort
• $wgHttpOnlyBlacklist - User agent blacklist for HttpOnly mode.
• $wgHTTPProxy - Proxy to use for CURL requests.
• $wgHTTPTimeout - Timeout for HTTP requests done via CURL.

I

• $wgIgnoreImageErrors - If true, inline scaled images will still produce <img> tags ready for output instead of showing an error message.
• $wgIllegalFileChars - Override the default list of illegal characters in file names.
• $wgImgAuthDetails - Display reason access to uploaded file was denied to users(img_auth only)
• $wgImgAuthPublicTest - Test to see if img_auth set up correctly (img_auth only)
• $wgImageLimits - Limit images on image description pages to a user-selectable limit.
• $wgImageMagickConvertCommand - Set to the command used to evoke ImageMagick.
• $wgImplicitGroups - Array of groups that aren't shown on e.g. Special:Listusers.
• $wgImportSources - List of interwiki prefixes for wikis we'll accept as sources for Special:Import (for sysops).
• $wgImportTargetNamespace - Optional default target namespace for interwiki imports.
• $wgInputEncoding (deprecated in 1.19) - The encoding of the input text.
• $wgInternalServer - Internal server name as known to Squid, if different.
• $wgInterwikiCache
• $wgInterwikiExpiry - Expiry time for cache of interwiki table.
• $wgInterwikiFallbackSite
• $wgInterwikiMagic - Treat language links as magic connectors, not inline links.
• $wgInterwikiScopes
• $IP - The filesystem installation directory. Not in DefaultSettings.php.

J

• $wgJsMimeType - Select which media type (MIME type) to use for JavaScript
• $wgJobClasses - Maps jobs to their handling classes.
• $wgJobRunRate - Speed of the background task job queue (e.g. update of links)

L

• $wgLanguageCode - Site language code. Should be one of the ./language/Language(.*).php files.
• $wgLBFactoryConf - Load balancer factory configuration.
• $wgLegacyEncoding - Set this to eg 'ISO-8859-1' to perform character set conversion when loading old revisions not marked with "utf-8" flag.
• $wgLegalTitleChars - Override the default list of illegal characters in page titles.
• $wgLegacySchemaConversion (deprecated) - Option to speed up the conversion step for large sites when migrating the schema from 1.4 to 1.5
• $wgLinkCacheMemcached (deprecated in 1.17) - Cache links using object cache setting (memcache, Turck MMCache, eAccelerator, etc.)
• $wgLivePreview (deprecated in 1.15) - Experimental preview feature to fetch rendered text over an XMLHttpRequest from JavaScript.
• $wgLoadFileinfoExtension - Switch for loading the FileInfo extension by PECL at runtime.
• $wgLocalDatabases - Other wikis on this site, can be administered from a single developer account.
• $wgLocalFileRepo - A single repository structure for the local repository.
• $wgLocalInterwiki - The Interwiki prefix of this wiki. It should always be changed in LocalSettings.php.
• $wgLocalMessageCache (deprecated in 1.16) - Directory for local copy of message cache, for use in addition to memcached.
• $wgLocalMessageCacheSerialized - Defines format of local cache.
• $wgLocaltimezone - Fake out the timezone that the server thinks it's in.
• $wgLocalTZoffset - add a distance to the timezone of the server
• $wgLogActions - Lists the message key string for formatting individual events of each type and action when listed in the logs.
• $wgLogActionsHandlers - Same as $wgLogActions, but values are functions callbacks.
• $wgLogHeaders - Lists the message key string for descriptive text to be shown at the top of each log type.
• $wgLoginLanguageSelector - Show a bar of language selection links in the user login and user registration forms.
• $wgLogNames - Lists the message key string for each log type.
• $wgLogRestrictions
• $wgLogTypes - List of log types.
• $wgLogo - The URL of the site logo.

M

• $wgMainCacheType - Replaces $wgUseMemCached.
• $wgMasterWaitTimeout (deprecated in 1.24) - How long to wait for a slave to catch up to the master.
• $wgMathDirectory (deprecated) - The file system path of the directory containing LaTeX math images.
• $wgMathPath (deprecated) - The URL base of the directory containing LaTeX math images.
• $wgMaxArticleSize - Maximum article size in kilobytes.
• $wgMaxCredits - Set this to the number of authors that you want to be credited below an article text.
• $wgMaxImageArea - Don't thumbnail an image if it will use too much working memory.
• $wgMaximumMovedPages - Maximum number of pages to move at once when moving subpages with a page.
• $wgMaxMsgCacheEntrySize - Maximum entry size in the message cache, in bytes.
• $wgMaxNameChars - Maximum number of bytes in username.
• $wgMaxPPExpandDepth - Stack depth limit for expansion with the preprocessor.
• $wgMaxPPNodeCount - A complexity limit on template expansion.
• $wgMaxRedirectLinksRetrieved - Maximum number of links to a redirect page listed on Special:Whatlinkshere/RedirectDestination.
• $wgMaxRedirects - Max number of redirects to follow when resolving redirects.
• $wgMaxShellFileSize - Maximum file size created by shell processes under linux, in KB.
• $wgMaxShellMemory - Maximum amount of virtual memory available to shell processes under linux, in KB.
• $wgMaxSigChars - Maximum customized signature length.
• $wgMaxSquidPurgeTitles - Maximum number of titles to purge in any one client operation
• $wgMaxTemplateDepth - Maximum recursion depth for templates within templates.
• $wgMaxTocLevel - Maximum indent level of toc.
• $wgMaxUploadSize - Maximum size of uploaded files.
• $wgMediaHandlers - Plugins for media file type handling.
• $wgMemCachedDebug - Will be set to false in Setup.php, if the server isn't working.
• $wgMemCachedPersistent
• $wgMemCachedServers
• $wgMessageCacheType - Message cache setting.
• $wgMetaNamespace - The name used for the meta-namespace.
• $wgMetaNamespaceTalk - The name used for the meta-namespace talk pages.
• $wgMimeDetectorCommand - Sets an external mime detector program.
• $wgMimeInfoFile - Sets the mime type info file to use by MimeMagic.php.
• $wgMimeType - The type to send in the Content-Type header.
• $wgMimeTypeBlacklist - Files with these mime types will never be allowed as uploads if $wgVerifyMimeType is enabled.
• $wgMimeTypeFile - Sets the mime type definition file to use by MimeMagic.php.
• $wgMinimalPasswordLength - Specifies the minimal length of a user password.
• $wgMiserMode - If true, disable database-intensive features
• $wgMsgCacheExpiry - When a message in cache expires (in seconds).
• $wgMWSuggestTemplate - Template for internal MediaWiki suggestion engine.

N

• $wgNamespaceAliases - override default names for namespaces
• $wgNamespaceRobotPolicies
• $wgNamespaceProtection - Set the minimum permissions required to edit pages in each namespace. If you list more than one permission, a user must have all of them to edit pages in that namespace.
• $wgNamespacesToBeSearchedDefault - Which namespaces should be searched?
• $wgNamespacesWithSubpages - Which namespaces should support subpages?
• $wgNoFollowLinks - If true, external URL links in wiki text will be given the rel="nofollow" attribute.
• $wgNoFollowNsExceptions - Namespaces in which $wgNoFollowLinks doesn't apply.
• $wgNonincludableNamespaces - Pages in namespaces in this array can not be used as templates.
• $wgNoReplyAddress - Dummy address which should be accepted during mail send action.

O

• $wgOpenSearchTemplate - Template for OpenSearch suggestions.
• $wgOutputEncoding (deprecated in 1.19) - The encoding of the output text.
• $wgOverrideSiteFeed - Override the site's default rss/atom feed that appears on every page.

P

• $wgPagePropLinkInvalidations - Page property link table invalidation lists.
• $wgPageShowWatchingUsers - Show watching users in Page views.
• $wgParserCacheExpireTime
• $wgParserCacheType - Parser cache setting.
• $wgParserConf - Parser configuration.
• $wgParserOutputHooks - Parser output hooks.
• $wgParserTestFiles - Parser test suite files to be run by parserTests.php.
• $wgPasswordAttemptThrottle - Limit password attempts per IP per address.
• $wgPasswordReminderResendTime - Minimum time, in hours, which must elapse between password reminder.
• $wgPasswordSalt - For compatibility with old installations set to false.
• $wgPasswordSender - Password reminder email address.
• $wgPasswordSenderName - Password reminder ($wgPasswordSender) name
• $wgProfileCallTree - If true, print a raw call tree instead of per-function report
• $wgProfileLimit - Only record profiling info for pages that took longer than this
• $wgProfileOnly - Don't put non-profiling info into log file
• $wgProfilePerHost - Should application server host be put into profiling table?
• $wgProfileToDatabase - Log sums from profiling into "profiling" table in db.
• $wgProfiling (deprecated in 1.18) - Enable for more detailed by-function times in debug log
• $wgProto (deprecated in 1.18) - The secure server prefix.
• $wgProxyList - Big list of banned IP addresses. In the keys not the values.
• $wgProxyMemcExpiry
• $wgProxyPorts
• $wgProxyScriptPath
• $wgProxyWhitelist - Proxy whitelist, list of addresses that are assumed to be non-proxy despite what the other methods might say
• $wgPutIPinRC - Log IP addresses in the recentchanges table.

Q

• $wgQueryCacheLimit - Number of rows to cache in 'querycache' table when miser mode is on.
• $wgQueryPageDefaultLimit - Default number of entries to show on query pages.

R

• $wgRateLimitsExcludedGroups (deprecated in 1.13) - Array of groups which should never trigger the rate limiter.
• $wgRateLimitLog - Set to a filename to log rate limiter hits.
• $wgRateLimits - Simple rate limiter options to brake edit floods.
• $wgRawHtml - Allow raw, unchecked HTML in <html>...</html> sections.
• $wgRCFeeds - RC feed formatting and destination configuration.
• $wgRC2UDPAddress (deprecated in 1.22) -Address used.
• $wgRC2UDPOmitBots (deprecated in 1.22) - Omit bot.
• $wgRC2UDPPort (deprecated in 1.22) - Port used.
• $wgRC2UDPPrefix (deprecated in 1.22) - Prefix used.
• $wgRCChangedSizeThreshold - Highlight character count difference lower than this.
• $wgRCFilterByAge - Filter $wgRCLinkDays by $wgRCMaxAge to avoid showing links for numbers higher than what will be stored.
• $wgRCLinkDays - Days limit.
• $wgRCLinkLimits - Changes limit.
• $wgRCMaxAge - Recentchanges items 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.
• $wgReadOnly - Disallows editing, displaying the string given as the reason.
• $wgReadOnlyFile - If this file is found, the database is locked for the reason given in the contents of the file.
• $wgRequirePasswordforEmailChange - Whether the user must enter their password to change their e-mail address
• $wgRedirectOnLogin - Redirect users to a specific page on login.
• $wgRedirectScript - The URL of redirect.php, needed for backwards compatibility.
• $wgRedirectSources - Regular expression to restrict URLs which will be displayed as 'redirected from' links.
• $wgRemoteUploads (deprecated in 1.17) - Set to true to enable the upload link while local uploads are disabled.
• $wgRemoveGroups - allow finer control over usergroup assignment.
• $wgRepositoryBaseUrl - Base URL for a repository wiki.
• $wgReservedUsernames - List of account names that cannot exist.
• $wgResponsiveImages - Use responsive images for high-density displays.
• $wgRestrictionLevels - Set of permission keys that can be selected on the 'page protection' page.
• $wgRestrictionTypes - Actions that can be restricted.
• $wgRevisionCacheExpiry - Cache extracted revision text in MemCached.
• $wgRightsIcon - Copyright icon
• $wgRightsPage - Page describing the site license
• $wgRightsText - Text describing the site license
• $wgRightsUrl - URL describing the site license

S

• $wgSaveDeletedFiles (deprecated in 1.11)
• $wgScript - The URL of index.php.
• $wgScriptExtension - Extension to append to script names by default.
• $wgScriptPath - The base URL path.
• $wgSearchForwardUrl - Set this to a URL to forward search requests to some external location.
• $wgSearchHighlightBoundaries - Regexp to match word boundaries.
• $wgSearchType - Type of DB search used.
• $wgSecretKey - This should always be customised in LocalSettings.php
• $wgServer - The base URL of the server.
• $wgServerName (deprecated in 1.17) - The name of the server without the protocol. (eg, "en.wikipedia.org")
• $wgSessionCacheType - The cache type for storing session data.
• $wgSessionHandler - used for setting php's session.save_handler.
• $wgSessionsInMemcached (deprecated in 1.20)
• $wgSessionsInObjectCache - Whether to store sessions in object cache.
• $wgSessionName - Override to customise the session name.
• $wgSharedDB - The name of the shared database.
• $wgSharedPrefix - Prefix to use for the shared database.
• $wgSharedTables - Tables to use in shared database
• $wgSharedThumbnailScriptPath - Same as $wgThumbnailScriptPath, but for shared uploads.
• $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 on the web server where shared uploads can be found.
• $wgSharpenParameter - Sharpening parameter to ImageMagick.
• $wgSharpenReductionThreshold - Reduction in linear dimensions below which sharpening will be enabled.
• $wgShowCreditsIfMax - If there are more than $wgMaxCredits authors, show $wgMaxCredits of them.
• $wgShowExceptionDetails - If set to true, uncaught exceptions will print a complete stack trace to output.
• $wgShowEXIF - Show EXIF data.
• $wgShowHostnames - If set to true, exposes host names through API and HTML comments.
• $wgShowIPinHeader - Show the IP in the user bar for anonymous users by default.
• $wgShowSQLErrors - Whether to show "we're sorry, but there has been a database error" pages.
• $wgShowUpdatedMarker - Show "Updated (since my last visit)" marker in RC view, watchlist and history.
• $wgSidebarCacheExpiry - Expiry time for the sidebar cache.
• $wgSitemapNamespaces - Array of namespaces to generate a sitemap or false for all namespaces.
• $wgSitename - The name of the site. Should be changed
• $wgSiteNotice - If set, a notice will show up at the top of every page, defined at [[MediaWiki:Sitenotice]], formatted as for any wiki page.
• $wgSiteSupportPage - A page where you users can receive donations.
• $wgSkinExtensionFunctions (deprecated in 1.18)
• $wgSkipSkin - Specify the name of a skin that should not be presented in the list of available skins.
• $wgSkipSkins - More of the same as $wgSkipSkin.
• $wgSlaveLagCritical - If lag is higher than this value, show a more obvious warning than $wgSlaveLagWarning.
• $wgSlaveLagWarning - If lag is higher than this value, show a warning in some special pages (like watchlist).
• $wgSMTP - For using a direct (authenticated) SMTP server connection.
• $wgSorbsUrl (deprecated in 1.16) - URL to the Sorbs blacklist.
• $wgSortSpecialPages - Whether or not to sort special pages in Special:Specialpages.
• $wgSpamRegex - Text matching this regex will be recognised as spam.
• $wgSpecialPageGroups - List of special pages, followed by what subtitle they should go under at Special:SpecialPages
• $wgSpecialPages - A list of custom special pages.
• $wgSpecialVersionShowHooks - Whether to show the contents of $wgHooks in Special:Version.
• $wgSQLiteDataDir - To override default SQLite data directory.
• $wgSQLiteDataDirMode (deprecated in 1.17) - Default directory mode for SQLite data directory on creation.
• $wgSquidMaxage - Cache timeout for the squid.
• $wgSquidServers - A list of proxy servers (ips if possible) to purge on changes.
• $wgSquidServersNoPurge - Same as $wgSquidServers, except they aren't purged.
• $wgStatsMethod - Destination for wfIncrStats() data.
• $wgStreamLoggers - RC feed engine configuration.
• $wgStrictFileExtensions - If this is turned off, users may override the warning for files not covered by $wgFileExtensions.
• $wgStyleDirectory - The file system path to the skins directory.
• $wgStylePath - The URL of the skins directory.
• $wgStyleSheetPath - The URL of the directory containing the stylesheets.
• $wgStyleVersion - Appended in the query string of static CSS and JS to clear client side cache when changing this.
• $wgSVGConverter - A key from $wgSVGConverters to use as converter.
• $wgSVGConverterPath - If not in the executable PATH, specify.
• $wgSVGConverters - Scalable Vector Graphics (SVG) may be uploaded as images.
• $wgSVGMaxSize - Don't scale a SVG larger than this unless its native size is larger.
• $wgSysopEmailBans - Allow sysops to ban users from accessing Emailuser.
• $wgSysopRangeBans (deprecated in 1.18) - Allow sysops to ban IP ranges
• $wgSysopUserBans (deprecated in 1.18) - Allow sysops to ban logged-in users

T

• $wgTexvc (deprecated) - Location of the texvc binary.
• $wgThumbLimits - List of image sizes users can pick from.
• $wgThumbnailEpoch - If rendered thumbnail files are older than this timestamp, they will be rerendered on demand as if the file didn't already exist.
• $wgThumbnailScriptPath - Give a path here to use thumb.php for thumbnail generation on client request, instead of generating them on render and outputting a static URL.
• $wgThumbUpright - Adjust width of upright images when parameter 'upright' is used
• $wgTidyBin - Should be set to the path of the tidy binary.
• $wgTidyConf - Should be set to the path of the tidy configuration file.
• $wgTidyInternal - Controls the use of the PECL extension to use an inprocess tidy library instead of spawning a separate program.
• $wgTidyOpts - Options passed to tidy on the command line.
• $wgTmpDirectory - The URL of the temporary directory.
• $wgTrackingCategories - The list of messages corresponding to tracking categories.
• $wgTranscludeCacheExpiry - Expiry time for interwiki transclusion.
• $wgTranslateNumerals - For Hindi and Arabic use local numerals instead of Western style (0-9) numerals in interface.
• $wgTrivialMimeDetection - Switch for trivial mime detection.
• $wgTrustedMediaFormats - List of trusted media-types and mime types.

U

• $wgUDPProfilerHost - Host for UDP profiler.
• $wgUDPProfilerPort - Port for UDP profiler.
• $wgUniversalEditButton - Enables the UniversalEditButton for browsers that support it.
• $wgUpdateRowsPerJob - Number of rows to update per job.
• $wgUpdateRowsPerQuery - Number of rows to update per query.
• $wgUploadBaseUrl
• $wgUploadDirectory - The file system path of the upload directory.
• $wgUploadNavigationUrl - Point the upload navigation link to an external URL.
• $wgUploadPath - The URL of the upload directory.
• $wgUploadSizeWarning - Warn if uploaded files are larger than this.
• $wgUrlProtocols - Defines the protocols which are supported and translated in HTML by the mediawiki parser.
• $wgUseAjax - Enables search Suggestions.
• $wgUseAutomaticEditSummaries - Turn off automatic edit summaries.
• $wgUseCategoryBrowser - Disable experimental dmoz-like category browsing.
• $wgUseCommaCount (deprecated in 1.18) - Specifies the criteria used to define a 'valid article' when counting.
• $wgUseCopyrightUpload - Set this to true if you want detailed copyright information forms on Upload.
• $wgUseDatabaseMessages - Translation using MediaWiki: namespace.
• $wgUseDynamicDates - Enable to allow rewriting dates in page text. DOES NOT FORMAT CORRECTLY FOR MOST LANGUAGES.
• $wgUseESI - If you run Squid3 with ESI support, enable this.
• $wgUseETag
• $wgUseExternalEditor - Activate external editor interface for files and pages.
• $wgUseFileCache - This will cache static pages for non-logged-in users to reduce database traffic on public sites.
• $wgUseGzip - Use GZip to store cached pages.
• $wgUseImageMagick - Resizing can be done using PHP's internal image libraries or using ImageMagick.
• $wgUseImageResize (deprecated) - Set $wgUseImageResize to true if you want to enable dynamic server side image resizing ("Thumbnails")
• $wgUseInstantCommons - Enables InstantCommons, a feature that allows to use Wikimedia's Commons images for your wiki.
• $wgUseMemCached (deprecated in 1.17) - Use memcache, using the servers set in $wgMemCachedServers.
• $wgUseNPPatrol - Use new pages patrolling to check for vandalism.
• $wgUsePathInfo - Whether to use 'pretty' URLs.
• $wgUseRCPatrol - Use RC Patrolling to check for vandalism
• $wgUserEmailUseReplyTo - Should the sending user's email be in a Reply-To header instead of From.
• $wgUsersNotifiedOnAllChanges - Array of usernames who will be sent a notification email for every change which occurs on a wiki.
• $wgUseSharedUploads - Whether to look in the shared repository if no file of the given name is found in the local repository (for [[Image:..]], [[Media:..]] links).
• $wgUseSiteCss - Use the site's Cascading Style Sheets (CSS)
• $wgUseSiteJs - Use the site's Javascript page
• $wgUseSquid - Enable/disable Squid.
• $wgUseOldSearchUI (deprecated in 1.16) - Controls the search screen UI
• $wgUseTeX (deprecated) - Enables the use of <math> (TeX) tags.
• $wgUseTidy - Use tidy to make sure HTML output is sane.
• $wgUseTrackbacks (deprecated in 1.19) Enable blog-style trackback links

V

• $wgValidateAllHtml - Validate the overall output using tidy and refuse to display the page if it's not valid.
• $wgValidSkinNames
• $wgVariantArticlePath - Used for interwiki links.
• $wgVerifyMimeType - Determines if the mime type of uploaded files should be checked
• $wgVersion - Contains the current version of MediaWiki, as displayed to the user. You should not change this!

W

• $wgWantedPagesThreshold - Minimum number of links required before a page is listed on Special:Wantedpages
• $wgWhitelistRead - Pages anonymous user may see.

X

• $wgXhtmlDefaultNamespace
• $wgXhtmlNamespaces - Permit other namespaces in addition to the w3.org default.
• $wgXMLMimeTypes - An array of XML mime types we can detect via MimeMagic.