View source for Development:One instance of MediaWiki for different sites (using namespaces)

* First create namespaces in <code>LocalSettings.php</code>:
<pre>
define("NS_MI", 3000);
define("NS_MI_TALK", 3001);

$wgExtraNamespaces[NS_MI] = "Magic_Intuition";
$wgExtraNamespaces[NS_MI_TALK] = "Magic_Intuition_talk";
$wgNamespacesWithSubpages[NS_MI] = true;

define("NS_TP", 3010);
define("NS_TP_TALK", 3011);
$wgExtraNamespaces[NS_TP] = "Time_Planner";
$wgExtraNamespaces[NS_TP_TALK] = "Time_Planner_talk";
$wgNamespacesWithSubpages[NS_TP] = true;
</pre>

* You also could add [https://www.mediawiki.org/wiki/Manual:$wgNamespaceAliases aliases] to your [https://www.mediawiki.org/wiki/Help:Namespaces#Media Main namespace]: 
<pre>
$wgNamespaceAliases = array(

        'Prana_Breath' => NS_MAIN,

        'TP' => NS_TP

    );
</pre>

* As well as set name for [https://www.mediawiki.org/wiki/Help:Namespaces#Project Meta namespace]:
<pre>
$wgMetaNamespace = "Olekdia";
</pre>

* Next change background color for each namespace. For that edit your special mediawiki page <code>MediaWiki:Common.css</code>:
<pre>
.ns-3000 #content, .ns-3001 #content { background-color: #f5f5ff; }
.ns-3010 #content, .ns-3011 #content { background-color: #fff5ff; }
</pre>

* Than change logo of the MediaWiki for each namespace add to <code>MediaWiki:Common.css</code>:
<pre>
.ns-3000 #p-logo a { background-image: url(./.../wiki_resources/magic_intuition_logo.png) !important; }
.ns-3010 #p-logo a { background-image: url(./.../wiki_resources/time_planner_logo.png) !important; }
</pre>

* Remember to set a default logo for Main namespace <code>LocalSettings.php</code>:
<pre>
$wgLogo = "$wgResourceBasePath/.../wiki_resources/prana_breath_logo.png";
</pre>

* Create pages for each namespace which will be treated as main pages for it's namespaces soon: <code>:Wiki</code> (Main), <code>Time_Planner:Wiki</code>, <code>Magic_Intuition:Wiki</code>

* Change "Main page" by editing <code>MediaWiki:Mainpage</code> page, so our created pages will be treated as "Main pages" per namespace:
<pre>
{{NAMESPACE}}:Wiki
</pre>
Or next block if you use WikiTranslate extension:
<pre>
Special:MyLanguage/{{NAMESPACE}}:Wiki
</pre>
After this step, you also find out that click on logo will direct to main page of the current namespace.

* If you want different page titles in browser you could edit <code>MediaWiki:Pagetitle</code>:
<pre>
$1 - {{{{NAMESPACE}}:Namespace-title}} Wiki
</pre>
And after that create pages with name <code>Namespace-title</code> in each namespace: <code>Magic Intuition:Namespace-title</code> > "Magic Intuition" (Your title tail), <code>Namespace-title</code> > "Prana Breath" (For Main namespace).<br />
So you will get next title in browser:<br />
<code>Page name - Prana Breath Wiki</code> - for pages from <code>Main</code> namespace, <br />
<code>Page name - Magic Intuition Wiki</code> - for pages from <code>Magic_Intuition</code> namespace

* Create sidebar, with links which leads to different places depends on current namespace. Edit <code>MediaWiki:Sidebar</code> for that:
<pre>
* navigation
** Special:MyLanguage/{{NAMESPACE}}:Wiki|sidebar-wiki
** {{{{NAMESPACE}}:Forum-url}}|sidebar-forum
** Special:MyLanguage/{{NAMESPACE}}:Download|sidebar-download
* TOOLBOX
</pre>
Create sidebar messages: <code>MediaWiki:Sidebar-wiki</code> > "Wiki", <code>MediaWiki:Sidebar-forum</code> > "Forum", <code>MediaWiki:Sidebar-download</code> > "Download". <br />
So you get simple menu like this:
* Wiki
* Forum
* Download
But this menu leads to different pages depends on from where it is done.
Create pages: <code>:Download</code>, <code>Magic_Intuition:Download</code>, <code>Time_Planner:Download</code>.<br />
Also when you refer to external link to "Forum" you need to create messages with this link: <code>:Forum-url</code>, <code>Magic_Intuition:Forum-url</code>, <code>Time_Planner:Forum-url</code>. In this messages put pure url to your forum.

[[Category:Dev{{#translation:}}|^MediaWiki^]]