Using null as an array offset is deprecated, use an empty string instead (from RevisionDeleter.php:104)
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	A_smart_kitten
	Jan 6 2026, 8:39 PM

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Aklapper

Description

mediawiki/core locally running PHP 8.5
composer phpunit:entrypoint -- --filter SpecialPageFatalTest

1) SpecialPageFatalTest::testSpecialPageDoesNotFatal with data set "Revisiondelete" ('Revisiondelete')
Using null as an array offset is deprecated, use an empty string instead

/[...]/mediawiki/core/includes/RevisionDelete/RevisionDeleter.php:104
/[...]/mediawiki/core/includes/Specials/SpecialRevisionDelete.php:165
/[...]/mediawiki/core/tests/phpunit/includes/Specials/SpecialPageExecutor.php:132
/[...]/mediawiki/core/tests/phpunit/includes/Specials/SpecialPageExecutor.php:61
/[...]/mediawiki/core/tests/phpunit/structure/SpecialPageFatalTest.php:51

(note: not yet seen in WMF experimental CI due to the order in which it runs MediaWiki's PHPUnit tests, but it presumably would be seen there at some point)

Details

Related Changes in Gerrit:

Subject	Author	Repo	Branch	Lines +/-
Specials: Use empty string as missing type on Special:RevisionDelete	Umherirrender	mediawiki/core	master	+1 -1
Specials: Use empty string as missing type on Special:RevisionDelete	Umherirrender	mediawiki/core	REL1_45	+1 -1
Specials: Use empty string as missing type on Special:RevisionDelete	Umherirrender	mediawiki/core	REL1_44	+1 -1
Specials: Use empty string as missing type on Special:RevisionDelete	Umherirrender	mediawiki/core	REL1_43	+1 -1

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Related Objects
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		Status	Subtype	Assigned	Task
		Open		None	T410514 Using null as array offset or as the key parameter for array_key_exists() is deprecated in PHP 8.5
		Resolved		Umherirrender	T413917 Using null as an array offset is deprecated, use an empty string instead (from RevisionDeleter.php:104)

Event Timeline

A_smart_kitten created this task.Jan 6 2026, 8:39 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 6 2026, 8:39 PM

Maintenance_bot added a project: MediaWiki-API-Platform-Team.Jan 6 2026, 9:30 PM

Reedy moved this task from Backlog to MediaWiki core on the PHP 8.5 support board.Jan 6 2026, 9:36 PM

• Atieno triaged this task as Medium priority.Jan 7 2026, 5:37 PM

• Atieno moved this task from Incoming (Needs Triage) to Bugs & Chores on the MediaWiki-API-Platform-Team board.

A_smart_kitten updated the task description. (Show Details)Jan 10 2026, 2:57 PM

A_smart_kitten renamed this task from Using null as an array offset is deprecated, use an empty string instead (from RevisionDeleter.php:101) to Using null as an array offset is deprecated, use an empty string instead (from RevisionDeleter.php:104).Jan 10 2026, 3:09 PM

A_smart_kitten mentioned this in T411814: Make PHP 8.5 voting on development (master) branch of MW ecosystem (core, vendor, extensions, skins, libraries) in CI.Jan 12 2026, 11:11 AM

Umherirrender claimed this task.Jan 19 2026, 9:15 PM

Change #1228596 had a related patch set uploaded (by Umherirrender; author: Umherirrender):

[mediawiki/core@master] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1228596

gerritbot added a project: Patch-For-Review.Jan 19 2026, 9:15 PM

Change #1228596 merged by jenkins-bot:

[mediawiki/core@master] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1228596

Change #1232585 had a related patch set uploaded (by Umherirrender; author: Umherirrender):

[mediawiki/core@REL1_45] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1232585

Change #1232586 had a related patch set uploaded (by Umherirrender; author: Umherirrender):

[mediawiki/core@REL1_44] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1232586

Change #1232587 had a related patch set uploaded (by Umherirrender; author: Umherirrender):

[mediawiki/core@REL1_43] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1232587

ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.13; 2026-01-27).Jan 25 2026, 3:00 PM

Umherirrender closed this task as Resolved.Jan 25 2026, 3:22 PM

Umherirrender removed a project: Patch-For-Review.

Change #1232587 merged by jenkins-bot:

[mediawiki/core@REL1_43] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1232587

Change #1232586 merged by jenkins-bot:

[mediawiki/core@REL1_44] Specials: Use empty string as missing type on Special:RevisionDelete

https://gerrit.wikimedia.org/r/1232586

Change #1232585 merged by jenkins-bot: