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class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-Types_of_extensions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Types_of_extensions"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Types of extensions</span> </div> </a> <button aria-controls="toc-Types_of_extensions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Types of extensions subsection</span> </button> <ul id="toc-Types_of_extensions-sublist" class="vector-toc-list"> <li id="toc-Parser_tags" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Parser_tags"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Parser tags</span> </div> </a> <ul id="toc-Parser_tags-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Parser_functions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Parser_functions"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Parser functions</span> </div> </a> <ul id="toc-Parser_functions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hooks" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hooks"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Hooks</span> </div> </a> <ul id="toc-Hooks-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Special_pages" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Special_pages"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Special pages</span> </div> </a> <ul id="toc-Special_pages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Skins" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Skins"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.5</span> <span>Skins</span> </div> </a> <ul id="toc-Skins-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Magic_words" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Magic_words"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.6</span> <span>Magic words</span> </div> </a> <ul id="toc-Magic_words-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-API" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#API"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.7</span> <span>API</span> </div> </a> <ul id="toc-API-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Page_content_models" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Page_content_models"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.8</span> <span>Page content models</span> </div> </a> <ul id="toc-Page_content_models-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Authentication" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Authentication"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.9</span> <span>Authentication</span> </div> </a> <ul id="toc-Authentication-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Finding_extensions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Finding_extensions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Finding extensions</span> </div> </a> <button aria-controls="toc-Finding_extensions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Finding extensions subsection</span> </button> <ul id="toc-Finding_extensions-sublist" class="vector-toc-list"> <li id="toc-Browsing_extensions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Browsing_extensions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Browsing extensions</span> </div> </a> <ul id="toc-Browsing_extensions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Checking_installed_extensions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Checking_installed_extensions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Checking installed extensions</span> </div> </a> <ul id="toc-Checking_installed_extensions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Popular_extensions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Popular_extensions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Popular extensions</span> </div> </a> <ul id="toc-Popular_extensions-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Installing_an_extension" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Installing_an_extension"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Installing an extension</span> </div> </a> <ul id="toc-Installing_an_extension-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Upgrading_an_extension" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Upgrading_an_extension"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Upgrading an extension</span> </div> </a> <ul id="toc-Upgrading_an_extension-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Uninstalling_an_extension" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Uninstalling_an_extension"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Uninstalling an extension</span> </div> </a> <ul id="toc-Uninstalling_an_extension-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav 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class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Manual</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Extensions</span></h1> <div class="mw-indicators"> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-manual" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Manual:Extensions" title="View the subject page [c]" accesskey="c"><span>Manual</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Manual_talk:Extensions" rel="discussion" title="Discussion about the content page [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" 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mw-pt-progress--complete" lang="en" dir="ltr">English</span></li> <li><a href="/wiki/Manual:Extensions/eo" class="mw-pt-progress mw-pt-progress--med" title="Manlibro:Etendaĵoj (30% translated)" lang="eo" dir="ltr">Esperanto</a></li> <li><a href="/wiki/Manual:Extensions/nl" class="mw-pt-progress mw-pt-progress--complete" title="Handleiding:Extensies (100% translated)" lang="nl" dir="ltr">Nederlands</a></li> <li><a href="/wiki/Manual:Extensions/vi" class="mw-pt-progress mw-pt-progress--med" title="Hướng dẫn sử dụng: Tiện ích mở rộng (19% translated)" lang="vi" dir="ltr">Tiếng Việt</a></li> <li><a href="/wiki/Manual:Extensions/tr" class="mw-pt-progress mw-pt-progress--high" title="Manual:Uzantılar (85% translated)" lang="tr" dir="ltr">Türkçe</a></li> <li><a href="/wiki/Manual:Extensions/da" class="mw-pt-progress mw-pt-progress--high" title="Manual:Extensions/da (70% translated)" lang="da" dir="ltr">dansk</a></li> <li><a href="/wiki/Manual:Extensions/es" class="mw-pt-progress mw-pt-progress--complete" title="Manual:Extensiones (100% translated)" lang="es" dir="ltr">español</a></li> <li><a href="/wiki/Manual:Extensions/es-formal" class="mw-pt-progress mw-pt-progress--high" title="Manual:Extensiones (77% translated)" lang="es-x-formal" dir="ltr">español (formal)</a></li> <li><a href="/wiki/Manual:Extensions/fr" class="mw-pt-progress mw-pt-progress--complete" title="Extensions (100% translated)" lang="fr" dir="ltr">français</a></li> <li><a href="/wiki/Manual:Extensions/it" class="mw-pt-progress mw-pt-progress--high" title="Manuale:Estensioni (86% translated)" lang="it" dir="ltr">italiano</a></li> <li><a href="/wiki/Manual:Extensions/hu" class="mw-pt-progress mw-pt-progress--high" title="Kézikönyv:Kiterjesztések (81% translated)" lang="hu" dir="ltr">magyar</a></li> <li><a href="/wiki/Manual:Extensions/pl" class="mw-pt-progress mw-pt-progress--complete" title="Podręcznik:Rozszerzenia (100% translated)" lang="pl" dir="ltr">polski</a></li> <li><a href="/wiki/Manual:Extensions/pt" class="mw-pt-progress mw-pt-progress--high" title="Manual:Extensões (76% translated)" lang="pt" dir="ltr">português</a></li> <li><a href="/wiki/Manual:Extensions/pt-br" class="mw-pt-progress mw-pt-progress--high" title="Manual:Extensões (84% translated)" lang="pt-BR" dir="ltr">português do Brasil</a></li> <li><a href="/wiki/Manual:Extensions/ro" class="mw-pt-progress mw-pt-progress--med" title="Manual:Extensiuni (53% translated)" lang="ro" dir="ltr">română</a></li> <li><a href="/wiki/Manual:Extensions/fi" class="mw-pt-progress mw-pt-progress--med" title="Ohje:Laajennukset (56% translated)" lang="fi" dir="ltr">suomi</a></li> <li><a href="/wiki/Manual:Extensions/sv" class="mw-pt-progress mw-pt-progress--low" title="Manual:Tillägg (10% translated)" lang="sv" dir="ltr">svenska</a></li> <li><a href="/wiki/Manual:Extensions/cs" class="mw-pt-progress mw-pt-progress--high" title="Příručka:Rozšíření (99% translated)" lang="cs" dir="ltr">čeština</a></li> <li><a href="/wiki/Manual:Extensions/el" class="mw-pt-progress mw-pt-progress--med" title="Εγχειρίδιο: Επεκτάσεις (16% translated)" lang="el" dir="ltr">Ελληνικά</a></li> <li><a href="/wiki/Manual:Extensions/ady-cyrl" class="mw-pt-progress mw-pt-progress--low" title="Manual:Extensions/ady-cyrl (0% translated)" lang="ady-Cyrl" dir="ltr">адыгабзэ</a></li> <li><a href="/wiki/Manual:Extensions/bg" class="mw-pt-progress mw-pt-progress--med" title="Ръководство:Разширения (16% translated)" lang="bg" dir="ltr">български</a></li> <li><a href="/wiki/Manual:Extensions/mdf" class="mw-pt-progress mw-pt-progress--low" title="Manual:Расширения (3% translated)" lang="mdf" dir="ltr">мокшень</a></li> <li><a href="/wiki/Manual:Extensions/ru" class="mw-pt-progress mw-pt-progress--complete" title="Руководство:Расширения (100% translated)" lang="ru" dir="ltr">русский</a></li> <li><a href="/wiki/Manual:Extensions/uk" class="mw-pt-progress mw-pt-progress--low" title="Посібник:Розширення (12% translated)" lang="uk" dir="ltr">українська</a></li> <li><a href="/wiki/Manual:Extensions/ar" class="mw-pt-progress mw-pt-progress--low" title="دليل:امتدادات (7% translated)" lang="ar" dir="rtl">العربية</a></li> <li><a href="/wiki/Manual:Extensions/azb" class="mw-pt-progress mw-pt-progress--low" title="Manual:اکستنشینلار (5% translated)" lang="azb" dir="rtl">تۆرکجه</a></li> <li><a href="/wiki/Manual:Extensions/sd" class="mw-pt-progress mw-pt-progress--low" title="مينيوئل:ايڪسٽينشنز (13% translated)" lang="sd" dir="rtl">سنڌي</a></li> <li><a href="/wiki/Manual:Extensions/fa" class="mw-pt-progress mw-pt-progress--med" title="Manual:افزودن ها (67% translated)" lang="fa" dir="rtl">فارسی</a></li> <li><a href="/wiki/Manual:Extensions/ps" class="mw-pt-progress mw-pt-progress--low" title="لارښود:شاتړي (14% translated)" lang="ps" dir="rtl">پښتو</a></li> <li><a href="/wiki/Manual:Extensions/gu" class="mw-pt-progress mw-pt-progress--low" title="Manual:Extensions/gu (1% translated)" lang="gu" dir="ltr">ગુજરાતી</a></li> <li><a href="/wiki/Manual:Extensions/th" class="mw-pt-progress mw-pt-progress--low" title="คู่มือการใช้:ส่วนขยาย (9% translated)" lang="th" dir="ltr">ไทย</a></li> <li><a href="/wiki/Manual:Extensions/zh" class="mw-pt-progress mw-pt-progress--high" title="Manual:扩展 (96% translated)" lang="zh" dir="ltr">中文</a></li> <li><a href="/wiki/Manual:Extensions/wuu-hans" class="mw-pt-progress mw-pt-progress--low" title="Manual:Extensions/wuu-hans (1% translated)" lang="wuu-Hans" dir="ltr">吴语（简体）</a></li> <li><a href="/wiki/Manual:Extensions/ja" class="mw-pt-progress mw-pt-progress--complete" title="Manual:拡張機能 (100% translated)" lang="ja" dir="ltr">日本語</a></li> <li><a href="/wiki/Manual:Extensions/ko" class="mw-pt-progress mw-pt-progress--high" title="Manual:확장 기능 (80% translated)" lang="ko" dir="ltr">한국어</a></li></ul></div> <style data-mw-deduplicate="TemplateStyles:r6651103">.mw-parser-output .nmbox{background:#f8f9fa;border:1px solid #AAA;box-sizing:border-box;margin:2px 0;padding:0}.mw-parser-output .nmbox *{box-sizing:border-box}.mw-parser-output .nmbox-header{background:#eaecf0;padding:4px 0.5em;font-weight:bold;text-align:center;white-space:nowrap}.mw-parser-output .nmbox .mbox-image{display:inline-block;padding-right:1em}.mw-parser-output .nmbox-text{border-top:1px solid #AAA;width:100%;padding:4px 0.5em}@media screen and (min-width:768px){.mw-parser-output .nmbox-header{display:table-cell;border-right:1px solid #AAA;width:1%}.mw-parser-output .nmbox-text{border-top:none;display:table-cell}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .nmbox-header,html.skin-theme-clientpref-night .mw-parser-output .nmbox{background:transparent;color:inherit}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .nmbox-header,html.skin-theme-clientpref-os .mw-parser-output .nmbox{background:transparent;color:inherit}}</style> <div class="nmbox noprint mw-content-ltr"><div class="nmbox-header"><div class="nmbox-image mbox-image"><span class="skin-invert" typeof="mw:File"><a href="/wiki/Special:MyLanguage/Manual:Extensions" title="Special:MyLanguage/Manual:Extensions"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/OOjs_UI_icon_puzzle-ltr.svg/20px-OOjs_UI_icon_puzzle-ltr.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/OOjs_UI_icon_puzzle-ltr.svg/30px-OOjs_UI_icon_puzzle-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/OOjs_UI_icon_puzzle-ltr.svg/40px-OOjs_UI_icon_puzzle-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div><b><b><a href="/wiki/Special:MyLanguage/Manual:Extensions" title="Special:MyLanguage/Manual:Extensions">Extensions:</a></b><span style="display:none"><a class="mw-selflink selflink"> </a></span></b> </div> <div class="nmbox-text mbox-text"><style data-mw-deduplicate="TemplateStyles:r6387430">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li,.mw-parser-output .hlist .mw-empty-elt{display:none}.mw-parser-output .hlist dt:after{content:": "}.mw-parser-output .hlist dd:after,.mw-parser-output .hlist li:after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child:after,.mw-parser-output .hlist dt:last-child:after,.mw-parser-output .hlist li:last-child:after{content:none}.mw-parser-output .hlist dd dd:first-child:before,.mw-parser-output .hlist dd dt:first-child:before,.mw-parser-output .hlist dd li:first-child:before,.mw-parser-output .hlist dt dd:first-child:before,.mw-parser-output .hlist dt dt:first-child:before,.mw-parser-output .hlist dt li:first-child:before,.mw-parser-output .hlist li dd:first-child:before,.mw-parser-output .hlist li dt:first-child:before,.mw-parser-output .hlist li li:first-child:before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child:after,.mw-parser-output .hlist dd dt:last-child:after,.mw-parser-output .hlist dd li:last-child:after,.mw-parser-output .hlist dt dd:last-child:after,.mw-parser-output .hlist dt dt:last-child:after,.mw-parser-output .hlist dt li:last-child:after,.mw-parser-output .hlist li dd:last-child:after,.mw-parser-output .hlist li dt:last-child:after,.mw-parser-output .hlist li li:last-child:after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li:before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child:before,.mw-parser-output .hlist dt ol>li:first-child:before,.mw-parser-output .hlist li ol>li:first-child:before{content:" ("counter(listitem)"\a0 "}</style><div class="hlist"> <ul><li><a href="/wiki/Special:MyLanguage/Manual:Developing_extensions" title="Special:MyLanguage/Manual:Developing extensions">Development</a><span style="display:none"><a href="/wiki/Manual:Developing_extensions" title="Manual:Developing extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Tag_extensions" title="Special:MyLanguage/Manual:Tag extensions">Tag extensions</a><span style="display:none"><a href="/wiki/Manual:Tag_extensions" title="Manual:Tag extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Parser_functions" title="Special:MyLanguage/Manual:Parser functions">Parser functions</a><span style="display:none"><a href="/wiki/Manual:Parser_functions" title="Manual:Parser functions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Hooks" title="Special:MyLanguage/Manual:Hooks">Hooks</a><span style="display:none"><a href="/wiki/Manual:Hooks" title="Manual:Hooks"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Special_pages" title="Special:MyLanguage/Manual:Special pages">Special pages</a><span style="display:none"><a href="/wiki/Manual:Special_pages" title="Manual:Special pages"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Skins" title="Special:MyLanguage/Manual:Skins">Skins</a><span style="display:none"><a href="/wiki/Manual:Skins" title="Manual:Skins"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Magic_words" title="Special:MyLanguage/Manual:Magic words">Magic words</a><span style="display:none"><a href="/wiki/Manual:Magic_words" title="Manual:Magic words"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/API:Extensions" title="Special:MyLanguage/API:Extensions">API</a><span style="display:none"><a href="/wiki/API:Extensions" title="API:Extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Page_content_models" title="Special:MyLanguage/Manual:Page content models">Content models</a><span style="display:none"><a href="/wiki/Manual:Page_content_models" title="Manual:Page content models"> </a></span></li></ul> </div></div> </div> <div style="clear: right; margin-bottom: .5em; float: right; margin-left:2em; width: auto;"><meta property="mw:PageProp/toc" /></div> <p>An <b>extension</b> lets you customise how MediaWiki looks and works. </p> <ul><li>Wiki users can <a href="/wiki/Special:MyLanguage/Category:Extensions_by_category" title="Special:MyLanguage/Category:Extensions by category">browse through extensions</a>.</li> <li>System administrators can <a href="#Installing_an_extension">install</a> (or remove) extensions on the MediaWiki installations that they manage.</li> <li>Developers can <a href="/wiki/Special:MyLanguage/Manual:Developing_extensions" title="Special:MyLanguage/Manual:Developing extensions">write new extensions</a> or <a href="/wiki/Special:MyLanguage/Category:Unmaintained_extensions" title="Special:MyLanguage/Category:Unmaintained extensions">improve or maintain extensions</a>.</li></ul> <p>While some extensions are maintained by MediaWiki developers, others were written by third-party developers. As a result, many have bugs, and they are not all guaranteed to be compatible with each other. Some are unmaintained; not all extensions work on all versions of MediaWiki. Use any extension, especially those tagged as insecure, at your own risk. If you are using an extension that requires patches to the core software, be sure to back up your database. This helps avoid the risk of breaking your wiki. </p> <div class="mw-heading mw-heading2"><h2 id="Types_of_extensions">Types of extensions</h2></div> <style data-mw-deduplicate="TemplateStyles:r6713801">.mw-parser-output .tpl-contentgrid{margin:1em 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2em;grid-auto-rows:minmax(100px,auto)}.mw-parser-output .tpl-contentgrid .mw-tpl-colorbox{margin:0}</style> <div class="tpl-contentgrid" style=""><style data-mw-deduplicate="TemplateStyles:r6706488">.mw-parser-output .wiki-template-infocard{border:1px solid #ccc;box-shadow:0 1px 1px rgba(0,0,0,0.15);border-radius:2px;padding:1em;display:flex;flex-direction:column;justify-content:space-between;align-content:stretch}.mw-parser-output .wiki-template-infocard-title{padding:0 0 0.5625em 0;margin:0}.mw-parser-output .wiki-template-infocard-content{clear:both;flex:1 1 auto}.mw-parser-output .wiki-template-infocard-footer{padding-top:1.5em}@media screen{html.skin-theme-clientpref-night .mw-parser-output .wiki-template-infocard-title img{filter:invert(1)}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .wiki-template-infocard-title img{filter:invert(1)}}</style> <div class="wiki-template-infocard"> <h3 id="Parser_tags" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_markup.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/OOjs_UI_icon_markup.svg/20px-OOjs_UI_icon_markup.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/OOjs_UI_icon_markup.svg/30px-OOjs_UI_icon_markup.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/OOjs_UI_icon_markup.svg/40px-OOjs_UI_icon_markup.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Parser tags</h3> <div class="wiki-template-infocard-content">Parser tags extend the built-in wiki markup with additional capabilities, whether simple string processing, or full-blown information retrieval.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Tag_extensions" title="Special:MyLanguage/Manual:Tag extensions">Learn more about <b>parser tags</b></a><span style="display:none"><a href="/wiki/Manual:Tag_extensions" title="Manual:Tag extensions"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Parser_functions" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_code.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/OOjs_UI_icon_code.svg/20px-OOjs_UI_icon_code.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/OOjs_UI_icon_code.svg/30px-OOjs_UI_icon_code.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cd/OOjs_UI_icon_code.svg/40px-OOjs_UI_icon_code.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Parser functions</h3> <div class="wiki-template-infocard-content">Parser functions are special wiki markup syntax that can 'interact' with other wiki elements in the page, and give a specific output.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Parser_functions" title="Special:MyLanguage/Manual:Parser functions">Learn more about <b>parser functions</b></a><span style="display:none"><a href="/wiki/Manual:Parser_functions" title="Manual:Parser functions"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Hooks" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:Plug-in_Noun_project_4032.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Plug-in_Noun_project_4032.svg/20px-Plug-in_Noun_project_4032.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Plug-in_Noun_project_4032.svg/30px-Plug-in_Noun_project_4032.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/Plug-in_Noun_project_4032.svg/40px-Plug-in_Noun_project_4032.svg.png 2x" data-file-width="100" data-file-height="100" /></a></span> Hooks</h3> <div class="wiki-template-infocard-content">Hooks allow custom code to be executed when some defined event (such as saving a page or a user logging in) occurs.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Hooks" title="Special:MyLanguage/Manual:Hooks">Learn more about <b>hooks</b></a><span style="display:none"><a href="/wiki/Manual:Hooks" title="Manual:Hooks"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Special_pages" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_pageSettings.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/OOjs_UI_icon_pageSettings.svg/20px-OOjs_UI_icon_pageSettings.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/OOjs_UI_icon_pageSettings.svg/30px-OOjs_UI_icon_pageSettings.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/OOjs_UI_icon_pageSettings.svg/40px-OOjs_UI_icon_pageSettings.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Special pages</h3> <div class="wiki-template-infocard-content">Special pages are pages that are created by the software on demand to perform a specific function.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Special_pages" title="Special:MyLanguage/Manual:Special pages">Learn more about <b>special pages</b></a><span style="display:none"><a href="/wiki/Manual:Special_pages" title="Manual:Special pages"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Skins" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_browser-ltr.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/OOjs_UI_icon_browser-ltr.svg/20px-OOjs_UI_icon_browser-ltr.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/OOjs_UI_icon_browser-ltr.svg/30px-OOjs_UI_icon_browser-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/OOjs_UI_icon_browser-ltr.svg/40px-OOjs_UI_icon_browser-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Skins</h3> <div class="wiki-template-infocard-content">Skins allow users to customise the look and feel of MediaWiki.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Skins" title="Special:MyLanguage/Manual:Skins">Learn more about <b>skins</b></a><span style="display:none"><a href="/wiki/Manual:Skins" title="Manual:Skins"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Magic_words" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_quotes-ltr.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/OOjs_UI_icon_quotes-ltr.svg/20px-OOjs_UI_icon_quotes-ltr.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/OOjs_UI_icon_quotes-ltr.svg/30px-OOjs_UI_icon_quotes-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c0/OOjs_UI_icon_quotes-ltr.svg/40px-OOjs_UI_icon_quotes-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Magic words</h3> <div class="wiki-template-infocard-content"><b>Magic words</b> are a technique for mapping a variety of wiki text strings to a single ID that is associated with a function.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Magic_words" title="Special:MyLanguage/Manual:Magic words">Learn more about <b>magic words</b></a><span style="display:none"><a href="/wiki/Manual:Magic_words" title="Manual:Magic words"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="API" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:API_-_The_Noun_Project.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/API_-_The_Noun_Project.svg/20px-API_-_The_Noun_Project.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/API_-_The_Noun_Project.svg/30px-API_-_The_Noun_Project.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/API_-_The_Noun_Project.svg/40px-API_-_The_Noun_Project.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> <abbr title="Application Programming Interface">API</abbr></h3> <div class="wiki-template-infocard-content">MediaWiki provides an action API, a web service that allows access to some wiki-features like authentication, page operations, and search.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/API:Main_page" title="Special:MyLanguage/API:Main page">Learn more about <b>the MediaWiki API</b></a><span style="display:none"><a href="/wiki/API:Main_page" title="API:Main page"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Page_content_models" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_article-ltr.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/OOjs_UI_icon_article-ltr.svg/20px-OOjs_UI_icon_article-ltr.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/OOjs_UI_icon_article-ltr.svg/30px-OOjs_UI_icon_article-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c4/OOjs_UI_icon_article-ltr.svg/40px-OOjs_UI_icon_article-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Page content models</h3> <div class="wiki-template-infocard-content">The <a href="/wiki/Special:MyLanguage/ContentHandler" title="Special:MyLanguage/ContentHandler">ContentHandler</a><span style="display:none"><a href="/wiki/ContentHandler" class="mw-redirect" title="ContentHandler"> </a></span> introduced in <a href="/wiki/Special:MyLanguage/MediaWiki_1.21" title="Special:MyLanguage/MediaWiki 1.21">MediaWiki 1.21</a><span style="display:none"><a href="/wiki/MediaWiki_1.21" title="MediaWiki 1.21"> </a></span> makes it possible for wiki pages to be composed of data other than wikitext, such as JSON or Markdown.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:Page_content_models" title="Special:MyLanguage/Manual:Page content models">Learn more about <b>content models</b></a><span style="display:none"><a href="/wiki/Manual:Page_content_models" title="Manual:Page content models"> </a></span></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6706488"> <div class="wiki-template-infocard"> <h3 id="Authentication" class="wiki-template-infocard-title"><span typeof="mw:File"><a href="/wiki/File:OOjs_UI_icon_lock.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/95/OOjs_UI_icon_lock.svg/20px-OOjs_UI_icon_lock.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/95/OOjs_UI_icon_lock.svg/30px-OOjs_UI_icon_lock.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/95/OOjs_UI_icon_lock.svg/40px-OOjs_UI_icon_lock.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> Authentication</h3> <div class="wiki-template-infocard-content">MediaWiki provides SessionManager and AuthManager, two authentication-related frameworks to enhance security via custom authentication mechanisms.</div><div class="wiki-template-infocard-footer">→ <a href="/wiki/Special:MyLanguage/Manual:SessionManager_and_AuthManager" title="Special:MyLanguage/Manual:SessionManager and AuthManager">Learn more about <b>authentication</b></a><span style="display:none"><a href="/wiki/Manual:SessionManager_and_AuthManager" title="Manual:SessionManager and AuthManager"> </a></span></div></div></div> <div class="mw-heading mw-heading2"><h2 id="Finding_extensions">Finding extensions</h2></div> <div class="mw-heading mw-heading3"><h3 id="Browsing_extensions">Browsing extensions</h3></div> <p>You can browse <a href="/wiki/Special:MyLanguage/Category:Extensions_by_category" title="Special:MyLanguage/Category:Extensions by category">Category:Extensions by category</a><span style="display:none"><a href="/wiki/Category:Extensions_by_category" title="Category:Extensions by category"> </a></span> to see the full range of extensions that have already been written. For information on installing these extensions or writing your own, see below. </p> <div class="mw-heading mw-heading3"><h3 id="Checking_installed_extensions">Checking installed extensions</h3></div> <p>Only someone with administration access to the filesystem (and often the database too) on a server can install extensions for MediaWiki, but anyone can check which extensions are active on an instance of MediaWiki by accessing the <a href="/wiki/Special:Version" title="Special:Version">Special:Version</a> page. For example, <a href="https://en.wikipedia.org/wiki/Special:Version" class="extiw" title="w:Special:Version">these extensions</a> are active in the English Wikipedia. </p> <div class="mw-heading mw-heading3"><h3 id="Popular_extensions">Popular extensions</h3></div> <p>There are a number of ways of finding popular extensions. </p><p>The first set is those that are <a href="/wiki/Special:MyLanguage/Bundled_extensions_and_skins" title="Special:MyLanguage/Bundled extensions and skins">bundled with MediaWiki</a> (a list that is reviewed regularly, and to which anyone can <a href="/wiki/Special:MyLanguage/Suggestions_for_extensions_to_be_integrated" title="Special:MyLanguage/Suggestions for extensions to be integrated">suggest an addition</a>). </p><p>Extensions that are downloaded from MediaWiki.org via the <a href="/wiki/Special:MyLanguage/Extension:ExtensionDistributor" title="Special:MyLanguage/Extension:ExtensionDistributor">ExtensionDistributor</a><span style="display:none"><a href="/wiki/Extension:ExtensionDistributor" title="Extension:ExtensionDistributor"> </a></span> mechanism have some statistics gathered. The top 15 most downloaded extensions are listed at <a href="/wiki/Special:ExtensionDistributor" title="Special:ExtensionDistributor">Special:ExtensionDistributor</a>, and applicable extensions have their download count shown in their infobox. Note that these numbers do not account for alternate ways of installing extensions, such as <a href="/wiki/Special:MyLanguage/Download_from_Git#Using_Git_to_download_MediaWiki_extensions" title="Special:MyLanguage/Download from Git">via Git</a> or <a href="/wiki/Special:MyLanguage/Composer/For_extensions" title="Special:MyLanguage/Composer/For extensions">Composer</a>. </p><p>A third option is to look at <a href="/wiki/Special:MyLanguage/WikiApiary" title="Special:MyLanguage/WikiApiary">WikiApiary</a><span style="display:none"><a href="/wiki/WikiApiary" title="WikiApiary"> </a></span>'s counts of wikis that extensions are installed on. This has the advantage of representing actual installations and not just downloads (i.e. it queries the wiki's APIs), but it is also (as of 2023) not completely up to date. It also doesn't count installations on private wikis. </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Installing_an_extension">Installing an extension</h2></div> <dl><dd><i>For further guidance, see also <a href="/wiki/Special:MyLanguage/Manual:Extensions/Installation_and_upgrade" title="Special:MyLanguage/Manual:Extensions/Installation and upgrade">Manual:Extensions/Installation and upgrade</a><span style="display:none"><a href="/wiki/Manual:Extensions/Installation_and_upgrade" title="Manual:Extensions/Installation and upgrade"> </a></span></i></dd></dl> <p>MediaWiki is ready to accept extensions just after <a href="/wiki/Special:MyLanguage/Manual:Installation" title="Special:MyLanguage/Manual:Installation">installation</a> is finished. To add an extension follow these steps: </p> <ol><li><b>Before you start</b> <dl><dd>Many extensions provide instructions designed for installation using Unix commands. You require shell access (SSH) to enter these commands listed on the extension help pages.</dd></dl></li> <li><b>Download your extension.</b> <dl><dd><a href="/wiki/Special:ExtensionDistributor" title="Special:ExtensionDistributor">Extension Distributor</a> helps you to select and download most of the popular extensions.</dd> <dd>Extensions are usually distributed as modular packages. They generally go in their own subdirectory of <code><a href="/wiki/Special:MyLanguage/Manual:$IP" title="Special:MyLanguage/Manual:$IP">$IP</a><span style="display:none"><a href="/wiki/Manual:$IP" title="Manual:$IP"> </a></span>/extensions/</code>. A list of extensions stored in the Wikimedia <a href="/wiki/Special:MyLanguage/Gerrit" title="Special:MyLanguage/Gerrit">Git repository</a> is located at <a href="https://phabricator.wikimedia.org/diffusion/MEXT/browse/master/" class="extiw" title="phab:diffusion/MEXT/browse/master/">git:mediawiki/extensions</a>. Some extensions <a href="/wiki/Special:MyLanguage/Category:Extensions_which_host_their_code_in-wiki" title="Special:MyLanguage/Category:Extensions which host their code in-wiki">don't use version control</a> and are not recommended.</dd> <dd>Some extensions are also available in <a href="/wiki/Special:MyLanguage/Software_bundles" title="Special:MyLanguage/Software bundles">bundles</a>, <a href="/wiki/Special:MyLanguage/composer" title="Special:MyLanguage/composer">composer</a><span style="display:none"><a href="/wiki/Composer" title="Composer"> </a></span> or <a href="/wiki/Special:MyLanguage/Comparison_of_extensions_in_distributions" title="Special:MyLanguage/Comparison of extensions in distributions">package repositories</a>.</dd> <dd>It's recommended to read the README file before installation. It usually contains important info about configuration.</dd></dl></li> <li><b>Install your extension.</b> <dl><dd>At the end of the <code><a href="/wiki/Special:MyLanguage/Manual:LocalSettings.php" title="Special:MyLanguage/Manual:LocalSettings.php">LocalSettings.php</a><span style="display:none"><a href="/wiki/Manual:LocalSettings.php" title="Manual:LocalSettings.php"> </a></span></code> file, add:</dd> <dd><div class="mw-highlight mw-highlight-lang-php mw-content-ltr" dir="ltr"><pre><span></span><span class="nx">wfLoadExtension</span><span class="p">(</span> <span class="s1">'ExtensionName'</span> <span class="p">);</span> </pre></div></dd> <dd>This line forces the PHP interpreter to read the extension file, and thereby make it accessible to MediaWiki.</dd> <dd>Some extensions can conflict with maintenance scripts, for example if they directly access $_SERVER (not recommended).</dd> <dd>In this case they can be wrapped in the conditional so maintenance scripts can still run.</dd> <dd><div class="mw-highlight mw-highlight-lang-php mw-content-ltr" dir="ltr"><pre><span></span><span class="k">if</span> <span class="p">(</span> <span class="o">!</span><span class="nv">$wgCommandLineMode</span> <span class="p">)</span> <span class="p">{</span> <span class="nx">wfLoadExtension</span> <span class="p">(</span> <span class="s1">'ExtensionName'</span> <span class="p">);</span> <span class="p">}</span> </pre></div></dd> <dd>The maintenance script <a href="/wiki/Special:MyLanguage/Manual:ImportDump.php" title="Special:MyLanguage/Manual:ImportDump.php">importDump.php</a><span style="display:none"><a href="/wiki/Manual:ImportDump.php" title="Manual:ImportDump.php"> </a></span> will fail for any extension which requires customised namespaces which is <i>included</i> inside the conditional above such as <a href="/wiki/Special:MyLanguage/Extension:Semantic_MediaWiki" title="Special:MyLanguage/Extension:Semantic MediaWiki">Extension:Semantic MediaWiki</a><span style="display:none"><a href="/wiki/Extension:Semantic_MediaWiki" title="Extension:Semantic MediaWiki"> </a></span>, <a href="/wiki/Special:MyLanguage/Extension:Page_Forms" title="Special:MyLanguage/Extension:Page Forms">Extension:Page Forms</a><span style="display:none"><a href="/wiki/Extension:Page_Forms" title="Extension:Page Forms"> </a></span>.</dd></dl></li></ol> <dl><dd><style data-mw-deduplicate="TemplateStyles:r6651107">.mw-parser-output .note{background-position:left 7px top 50%;padding:0.5em 0.5em 0.5em 40px;margin:0.5em 0;overflow:hidden;background-color:#f8f9fa;color:#333;background-repeat:no-repeat;border:1px solid #ddd}.mw-parser-output .note-inline{display:inline-block;vertical-align:middle}.mw-parser-output .note-info{background-color:#eaf3ff;color:#333;background-image:url("https://upload.wikimedia.org/wikipedia/commons/e/ec/OOjs_UI_icon_information-progressive.svg");background-size:25px;border-color:#a3caff;padding-left:40px;min-height:25px}.mw-parser-output .note-reminder{background-color:#fff9ea;color:#333;background-image:url("https://upload.wikimedia.org/wikipedia/commons/a/a8/OOjs_UI_icon_lightbulb-yellow.svg");background-size:25px;border-color:#fc3;min-height:25px}.mw-parser-output .note-warn{background-color:#fff9ea;color:#333;background-image:url("https://upload.wikimedia.org/wikipedia/commons/3/3b/OOjs_UI_icon_alert-warning.svg");background-size:25px;border-color:#fc3;min-height:25px}.mw-parser-output .note-error{background-color:#fee7e6;color:#333;background-image:url("https://upload.wikimedia.org/wikipedia/commons/b/bf/OOjs_UI_icon_notice-destructive.svg");background-size:25px;border-color:#c33;min-height:25px}@media screen{html.skin-theme-clientpref-night .mw-parser-output .note{background-color:transparent;color:inherit}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .note{background-color:transparent;color:inherit}}</style><div role="note" class="note note-info">Ensure that required permissions are set for extensions!</div></dd> <dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6651107"><div role="note" class="note note-info">While this installation procedure is sufficient for most extensions, some require a different installation procedure. Check your extension's documentation for details.</div></dd> <dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6651107"><div role="note" class="note note-info">If you want to alter configuration variables in <code>LocalSettings.php</code>, you have to do this typically <b>after</b> including the extension. Otherwise defaults defined in the extension will overwrite your settings.</div></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Upgrading_an_extension">Upgrading an extension</h2></div> <p>Some extensions require to be updated whenever you update MediaWiki, while others work with multiple versions. To upgrade to a new version of an extension: </p> <ol><li>Download the new version of the extension</li> <li>Replace all the extension files in the <code>extensions/ExtensionName</code> directory with the new files. Do not remove the extension configuration present in <code>LocalSettings.php</code></li> <li>If the extension requires changes to the MediaWiki database, you will need to run the <a href="/wiki/Special:MyLanguage/Manual:update.php" title="Special:MyLanguage/Manual:update.php">update.php</a><span style="display:none"><a href="/wiki/Manual:Update.php" title="Manual:Update.php"> </a></span> maintenance script. Most extensions will mention if this script needs to be run or not. (Perform backup of your data before executing the script). If you don't have command line access, you can also use the <a href="/wiki/Special:MyLanguage/Manual:Upgrading#Web_updater" title="Special:MyLanguage/Manual:Upgrading">web updater</a>.</li></ol> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6651107"><div role="note" class="note note-info">These instructions cover 99% of extensions. If the specific extension you are upgrading has instructions that differ from these, you should probably follow the specific extension's instructions</div> <div class="mw-heading mw-heading2"><h2 id="Uninstalling_an_extension">Uninstalling an extension</h2></div> <p>Remove the line from <code>LocalSettings.php</code> with the extension name to uninstall it: </p> <div class="mw-highlight mw-highlight-lang-php mw-content-ltr" dir="ltr"><pre><span></span><span class="nx">wfLoadExtension</span><span class="p">(</span> <span class="s1">'ExtensionName'</span> <span class="p">);</span> </pre></div> <ul><li>You must remove any lines pertaining to the configuration of the extension.</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div> <ul><li><a href="/wiki/Special:MyLanguage/Category:Extensions" title="Special:MyLanguage/Category:Extensions">Category:Extensions</a><span style="display:none"><a href="/wiki/Category:Extensions" title="Category:Extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Template:Extension" title="Special:MyLanguage/Template:Extension">Template:Extension</a><span style="display:none"><a href="/wiki/Template:Extension" title="Template:Extension"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Developing_extensions" title="Special:MyLanguage/Manual:Developing extensions">Manual:Developing extensions</a><span style="display:none"><a href="/wiki/Manual:Developing_extensions" title="Manual:Developing extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Translating_extensions" title="Special:MyLanguage/Manual:Translating extensions">Manual:Translating extensions</a><span style="display:none"><a href="/wiki/Manual:Translating_extensions" title="Manual:Translating extensions"> </a></span> - Information about translating extensions.</li> <li><a href="/wiki/Special:ExtensionDistributor" title="Special:ExtensionDistributor">Special:ExtensionDistributor</a> - Includes a list of the 15 most downloaded extensions in Wikimedia version control</li> <li><a class="external text" href="https://extloc.toolforge.org/">extloc - Where are MediaWiki extensions deployed in Wikimedia production?</a></li> <li><a href="/wiki/API:Siteinfo#Extensions" title="API:Siteinfo">API:SiteInfo extension information</a></li></ul> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6651103"> <div class="nmbox noprint mw-content-ltr"><div class="nmbox-header"><b><b><a href="/wiki/Special:MyLanguage/Manual:Extensions" title="Special:MyLanguage/Manual:Extensions">Extensions</a></b><span style="display:none"><a class="mw-selflink selflink"> </a></span></b>: </div> <div class="nmbox-text mbox-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6387430"><div class="hlist"> <ul><li><a href="/wiki/Special:MyLanguage/Category:Extensions" title="Special:MyLanguage/Category:Extensions">Category</a><span style="display:none"><a href="/wiki/Category:Extensions" title="Category:Extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Category:All_extensions" title="Special:MyLanguage/Category:All extensions">All</a><span style="display:none"><a href="/wiki/Category:All_extensions" title="Category:All extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Extension_requests" title="Special:MyLanguage/Extension requests">Requests</a><span style="display:none"><a href="/wiki/Extension_requests" title="Extension requests"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Tag_extensions" title="Special:MyLanguage/Manual:Tag extensions">Tag extensions</a><span style="display:none"><a href="/wiki/Manual:Tag_extensions" title="Manual:Tag extensions"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Extensions_FAQ" title="Special:MyLanguage/Extensions FAQ">Extensions FAQ</a><span style="display:none"><a href="/wiki/Extensions_FAQ" title="Extensions FAQ"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Extensions/Installation_and_upgrade" title="Special:MyLanguage/Manual:Extensions/Installation and upgrade">Installation and upgrade</a><span style="display:none"><a href="/wiki/Manual:Extensions/Installation_and_upgrade" title="Manual:Extensions/Installation and upgrade"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Manual:Extension_registration" title="Special:MyLanguage/Manual:Extension registration">Registration</a><span style="display:none"><a href="/wiki/Manual:Extension_registration" title="Manual:Extension registration"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Category:Extension_hooks" title="Special:MyLanguage/Category:Extension hooks">List of extension hooks</a><span style="display:none"><a href="/wiki/Category:Extension_hooks" title="Category:Extension hooks"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Extension_default_namespaces" title="Special:MyLanguage/Extension default namespaces">Extension default namespaces</a><span style="display:none"><a href="/wiki/Extension_default_namespaces" title="Extension default namespaces"> </a></span></li></ul> </div></div> </div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://www.mediawiki.org/w/index.php?title=Manual:Extensions&oldid=6710798">https://www.mediawiki.org/w/index.php?title=Manual:Extensions&oldid=6710798</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Customization_techniques" title="Category:Customization techniques">Customization techniques</a></li><li><a href="/wiki/Category:Extension_creation" title="Category:Extension creation">Extension creation</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 24 August 2024, at 09:11.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike License</a>; additional terms may apply. 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