Re: How to add a custom Magic Word in LocalSettings.php? - MediaWiki-l

29 Dec 2021


      Hi Valerio!
Thank you for looking into this.
Reviewing these links implies that this requires an extension? So it
cannot be done simply, directly from LocalSettings.php?
Could you provide please a minimal example how to set as
$CUSTOM_VARIABLE = "custom-content";?
Template are generally awesome but won't work here.
The use case here is multiple domain support, an alternative domain name
accessing the same wiki/database, which already works great for me.
What I really want to set is something similar to
{{SERVER}} = //www.example.com
{{SERVERNAME}} = www.example.com
But I only need
{{CUSTOM_APEX_DOMAIN_NAME}} = example.com
The use case in mediawiki markup would then be:
[{{protocoll_handler}}://forums.{{apex_domain_name}} our forums]
(I.e. "relative domain names which support sub domain changes")
This is the multiple domain support snippet which already works for me:
###
if (preg_match("/onion.onion/i", $_SERVER['SERVER_NAME'])) {
   $wgServer = 'http://www.onion.onion';
   $wgCanonicalServer = 'https://www.example.com';
   $wgAllowExternalImagesFrom = array( 'http://127.0.0.1/',
'http://www.onion.onion/' );
   $wgRenderHashAppend = "www.onion.onion";
   $wgCachePrefix = "www.onion.onion";
   $wgFileCacheDirectory = "$IP/cache/www.onion.onion";
   $wgLocalisationUpdateDirectory = "$IP/cache/www.onion.onion";
   $wgCacheDirectory = "$IP/cache/www.onion.onion";
   $MY_FQDN = "http://www.onion.onion";
} else {
   $wgServer = '//www.example.com';
   $wgCanonicalServer = 'https://www.example.com';
   $wgAllowExternalImagesFrom = array( 'http://127.0.0.1/',
'https://www.example.com/' );
   $wgRenderHashAppend = "www.example.com";
   $wgCachePrefix = "www.example.com";
   $wgFileCacheDirectory = "$IP/cache/www.example.com";
   $wgLocalisationUpdateDirectory = "$IP/cache/www.example.com";
   $wgCacheDirectory = "$IP/cache/www.example.com";
   $MY_FQDN = "https://www.example.com";
}
###
If I had the snippet to add custom magic words to LocalSettings.php,
then kinda what I would add there is this:
if (preg_match("/onion.onion/i", $_SERVER['SERVER_NAME'])) {
   $CUSTOM_APEX_DOMAIN_NAME = 'onion.onion';
} else {
   $CUSTOM_APEX_DOMAIN_NAME = 'example.com';
}
Basically, how would I make $CUSTOM_APEX_DOMAIN_NAME available from
inside the mediawiki?
I've left the lengthy description of my use case out from my original
post for brevity.
Kind regards,
Patrick
Valerio Bozzolan:
...
Hi Patrick
Here some documentation for your specific question:
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/ParserFu...
https://www.mediawiki.org/wiki/Manual:Hooks/ParserFirstCallInit
Having said that, do you really need it? Why not just a new template?
Create a page [[Template:Something]] to use {{Something}}.
-boz
On mer, 2021-12-29 at 10:46 +0000, Patrick Schleizer via MediaWiki-l
wrote:
...
Could you explain please how to add a custom magic word to mediawiki
LocalSettings.php?
Example:
When writing in the wiki {{CUSTOM_VARIABLE}} it will expand to:
custom-content
In other words... I want to set in LocalSettings.php
$CUSTOM_VARIABLE = "custom-content";
and that custom variable should then be available inside the wiki be
as
{{CUSTOM_VARIABLE}}.
If avoidable, writing a mediawiki extension should be avoided.
Is this possible?
Cheers,
Patrick
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