The Arrays extension allows you to define arrays on a page, use it later in that same page or included templates, change its values, etc.
Details
Jan 28 2026
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Apr 14 2023
Change 905188 merged by jenkins-bot:
[mediawiki/extensions/Arrays@master] Avoid PHP Notice for array definitions with an initial separator
Apr 3 2023
Change 905188 had a related patch set uploaded (by TK-999; author: TK-999):
[mediawiki/extensions/Arrays@master] Avoid PHP Notice for array definitions with an initial separator
Jul 19 2021
Feb 12 2021
Feb 9 2021
Jan 18 2021
No idea. If it happens again I may as well reopen this issue report.
Is this still happening?
Dec 25 2020
This is because SMW's list output format is not Ext:Arrays-friendly:
Dec 10 2020
Change 646869 merged by MarkAHershberger:
[mediawiki/extensions/Arrays@master] Bump version and tag bug
Dec 8 2020
Change 646869 had a related patch set uploaded (by MarkAHershberger; owner: MarkAHershberger):
[mediawiki/extensions/Arrays@master] Bump version and tag bug
Dec 7 2020
Dec 3 2020
Nov 23 2020
Sep 24 2020
As more wikis are updating to MW 1.34+, this is impacting more people. See for example https://www.mediawiki.org/wiki/Topic:Vuij4e8ea5ydavbn. Would be nice to see this fixed in a new point release of the extension.
Jun 7 2020
Having the same problem here. Cross posting this from https://www.mediawiki.org/wiki/Extension_talk:Arrays . It's not a fix, but at least a rather clunky workaround, without the negatives of compatability mode. Only negative is that when you sort the array, 1, 2, and 3 will sort at the end, rather than the beginning.
May 25 2020
Can you try again with the master version of the Arrays extension? This is probably broken because the global default value has been broken for some time in v2.2: https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Arrays/+/6a47eac735e7cd9c16b445453f960e6b057845ae
With $egArraysCompatibilityMode set to true, the extension will make use of $egArraysExpansionEscapeTemplates, which is an associative array that allows to escape certain chars that would have, otherwise, special meaning (detailed info).
May 23 2020
Same problem here:
Mar 18 2020
Mar 17 2020
A number of masters are failing with similar errors:
I'm keeping track of failing masters at https://gerrit.wikimedia.org/r/#/q/topic:master-tests-failing - commits with nothing but a commit message. Should I file tasks for each extension?
Feb 16 2020
This works as expected on a wiki with Arrays 2.1.0; unfortunately I don't have any wikis to hand with Arrays 2.2.0 to test on.
