⚓ T413934 Using null as an array offset

⚓ T413934 Using null as an array offset is deprecated, use an empty string instead (from JobQueue/JobQueueGroup.php:385)
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T413934
Using null as an array offset is deprecated, use an empty string instead (from JobQueue/JobQueueGroup.php:385)
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Assigned To
Prashant32194
Authored By
A_smart_kitten
Jan 6 2026, 10:41 PM
2026-01-06 22:41:56 (UTC+0)
Tags
PHP 8.5 support
(MediaWiki core)
ci-test-error
(Backlog)
MediaWiki-Core-JobQueue
MW-Interfaces-Team
(Incoming (Needs Triage))
Referenced Files
None
Subscribers
A_smart_kitten
Aklapper
Prashant32194
Description
The deprecation warnings on PHP 8.5 from this file's line of code seem to cause too many test failures in
mediawiki/core
for me to be able to list them all here (maybe around ~100-130ish); though the following test filter results in a fair number of those.
mediawiki/core
locally running PHP 8.5
composer phpunit:entrypoint -- --filter "((Move|Undelete|Delete|Rollback)Page|DerivedPageDataUpdater)Test"
1) MovePageTest::testEventEmission
Using null as an array offset is deprecated, use an empty string instead

2) MovePageTest::testEventEmissionWithoutCreatingRedirect
Using null as an array offset is deprecated, use an empty string instead

3) MovePageTest::testUpdatePropagation with data set "move article" ('MovePageTest::provideUpdatePr...n1-OLD', 'MovePageTest::provideUpdatePr...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

4) MovePageTest::testUpdatePropagation with data set "move user talk" ('User_talk:MovePageTest::provi...n1-OLD', 'User_talk:MovePageTest::provi...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

5) MovePageTest::testUpdatePropagation with data set "move message" ('MediaWiki:MovePageTest::provi...n1-OLD', 'MediaWiki:MovePageTest::provi...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

6) MovePageTest::testUpdatePropagation with data set "move script" ('User:MovePageTest::provideUpd...OLD.js', 'User:MovePageTest::provideUpd...NEW.js', MediaWiki\Content\JavaScriptContent Object (...))
Using null as an array offset is deprecated, use an empty string instead

7) MovePageTest::testUpdatePropagation with data set "move from user talk" ('User_talk:MovePageTest::provi...n1-OLD', 'MovePageTest::provideUpdatePr...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

8) MovePageTest::testUpdatePropagation with data set "move from message" ('MediaWiki:MovePageTest::provi...n1-OLD', 'MovePageTest::provideUpdatePr...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

9) MovePageTest::testUpdatePropagation with data set "move from script" ('User:MovePageTest::provideUpd...OLD.js', 'MovePageTest::provideUpdatePr...n1/NEW', MediaWiki\Content\JavaScriptContent Object (...))
Using null as an array offset is deprecated, use an empty string instead

10) MovePageTest::testUpdatePropagation with data set "move to user talk" ('MovePageTest::provideUpdatePr...n1-OLD', 'User_talk:MovePageTest::provi...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

11) MovePageTest::testUpdatePropagation with data set "move to message" ('MovePageTest::provideUpdatePr...n1-OLD', 'MediaWiki:MovePageTest::provi...n1-NEW')
Using null as an array offset is deprecated, use an empty string instead

12) MovePageTest::testUpdatePropagation with data set "move to script" ('MovePageTest::provideUpdatePr...n1/OLD', 'User:MovePageTest::provideUpd...NEW.js')
Using null as an array offset is deprecated, use an empty string instead

13) UndeletePageTest::testUndeleteRevisions
Using null as an array offset is deprecated, use an empty string instead

14) UndeletePageTest::testEventEmission_new
Using null as an array offset is deprecated, use an empty string instead

15) UndeletePageTest::testEventEmission_existing with data set "undelete historical revision" (-60, 10, false)
Using null as an array offset is deprecated, use an empty string instead

16) UndeletePageTest::testEventEmission_existing with data set "undelete newer revision (different page ID)" (60, 10, true)
Using null as an array offset is deprecated, use an empty string instead

17) UndeletePageTest::testEventEmission_existing with data set "undelete newer revision (same page ID)" (60, 0, true)
Using null as an array offset is deprecated, use an empty string instead

18) UndeletePageTest::testUpdatePropagation with data set "article" (MediaWiki\Page\PageIdentityValue Object (...))
Using null as an array offset is deprecated, use an empty string instead

19) UndeletePageTest::testUpdatePropagation with data set "user talk" (MediaWiki\Page\PageIdentityValue Object (...))
Using null as an array offset is deprecated, use an empty string instead

20) UndeletePageTest::testUpdatePropagation with data set "message" (MediaWiki\Page\PageIdentityValue Object (...))
Using null as an array offset is deprecated, use an empty string instead

21) UndeletePageTest::testUpdatePropagation with data set "script" (MediaWiki\Page\PageIdentityValue Object (...), MediaWiki\Content\JavaScriptContent Object (...))
Using null as an array offset is deprecated, use an empty string instead

22) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testGetCanonicalParserOptions
Using null as an array offset is deprecated, use an empty string instead

23) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testGrabCurrentRevision
Using null as an array offset is deprecated, use an empty string instead

24) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testPrepareContentInherit
Using null as an array offset is deprecated, use an empty string instead

25) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testPrepareUpdate
Using null as an array offset is deprecated, use an empty string instead

26) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testPrepareUpdateReusesParserOutput
Using null as an array offset is deprecated, use an empty string instead

27) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testPrepareUpdateOutputReset
Using null as an array offset is deprecated, use an empty string instead

28) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testGetPreparedEditAfterPrepareUpdate
Using null as an array offset is deprecated, use an empty string instead

29) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testGetSecondaryDataUpdatesAfterPrepareContent
Using null as an array offset is deprecated, use an empty string instead

30) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testAvoidSecondaryDataUpdatesOnNonHTMLContentHandlers
Using null as an array offset is deprecated, use an empty string instead

31) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testGetSecondaryDataUpdatesDeleted
Using null as an array offset is deprecated, use an empty string instead

32) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testGetSecondaryDataUpdatesWithSlotRemoval
Using null as an array offset is deprecated, use an empty string instead

33) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testIsCountableNoModifiedSlots
Using null as an array offset is deprecated, use an empty string instead

34) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdates with data set "null edit" (true, false)
Using null as an array offset is deprecated, use an empty string instead

35) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdates with data set "non-null edit, page creation, " (false, true)
Using null as an array offset is deprecated, use an empty string instead

36) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdates with data set "non-null edit" (false, false)
Using null as an array offset is deprecated, use an empty string instead

37) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDispatchPageLatestChangedEvent
Using null as an array offset is deprecated, use an empty string instead

38) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesCacheSaveDeferral_canonical
Using null as an array offset is deprecated, use an empty string instead

39) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesCacheSaveDeferral_noncanonical
Using null as an array offset is deprecated, use an empty string instead

40) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesTagsEditAsRecreatedWhenDeletionLogEntry
Using null as an array offset is deprecated, use an empty string instead

41) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesDoesNotTagEditAsRecreatedWhenNotNewPageCreation
Using null as an array offset is deprecated, use an empty string instead

42) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesDoesNotTagEditAsRecreatedWhenDeletionLogEntryAndUndelete
Using null as an array offset is deprecated, use an empty string instead

43) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesDoesNotTagEditAsRecreatedWhenNoDeletionLogEntry
Using null as an array offset is deprecated, use an empty string instead

44) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoUpdatesDoesNotTagEditAsRecreatedWhenDeletionLogEntryActionHidden
Using null as an array offset is deprecated, use an empty string instead

45) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testEnqueueRevertedTagUpdateJob with data set "not patrolled" (true, 0, 0)
Using null as an array offset is deprecated, use an empty string instead

46) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testEnqueueRevertedTagUpdateJob with data set "patrolled" (true, 2, 1)
Using null as an array offset is deprecated, use an empty string instead

47) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testEnqueueRevertedTagUpdateJob with data set "autopatrolled" (true, 2, 1)
Using null as an array offset is deprecated, use an empty string instead

48) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testEnqueueRevertedTagUpdateJob with data set "patrolling disabled" (false, 0, 1)
Using null as an array offset is deprecated, use an empty string instead

49) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoParserCacheUpdate
Using null as an array offset is deprecated, use an empty string instead

50) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testDoParserCacheUpdateForJavaScriptContent
Using null as an array offset is deprecated, use an empty string instead

51) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testTemplateUpdate
Using null as an array offset is deprecated, use an empty string instead

52) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testNewTalk with data set "Talk page edit" ('NewTalk TestAuthor', 'User_talk:NewTalk_TestUser', 'NewTalk TestUser', true)
Using null as an array offset is deprecated, use an empty string instead

53) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testNewTalk with data set "Own talk page" ('NewTalk TestUser', 'User_talk:NewTalk_TestUser', 'NewTalk TestUser', false)
Using null as an array offset is deprecated, use an empty string instead

54) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testNewTalk with data set "IP user page" ('NewTalk TestAuthor', 'User_talk:192.168.0.1', '192.168.0.1', true)
Using null as an array offset is deprecated, use an empty string instead

55) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testNewTalk with data set "User talk subpage" ('NewTalk TestAuthor', 'User_talk:NewTalk_TestUser/sandbox', 'NewTalk TestUser', false)
Using null as an array offset is deprecated, use an empty string instead

56) MediaWiki\Tests\Storage\DerivedPageDataUpdaterTest::testNewTalk with data set "Not talk page" ('NewTalk TestAuthor', 'User:NewTalk_TestUser', 'NewTalk TestUser', false)
Using null as an array offset is deprecated, use an empty string instead

57) MediaWiki\Tests\Page\DeletePageTest::testDeleteUnsafe with data set "standard deletion" (false, array(), true, 'delete')
Using null as an array offset is deprecated, use an empty string instead

58) MediaWiki\Tests\Page\DeletePageTest::testDeleteUnsafe with data set "suppression" (true, array(), true, 'delete')
Using null as an array offset is deprecated, use an empty string instead

59) MediaWiki\Tests\Page\DeletePageTest::testDeleteUnsafe with data set "deletion with tags" (false, array('tag-foo', 'tag-bar'), true, 'delete')
Using null as an array offset is deprecated, use an empty string instead

60) MediaWiki\Tests\Page\DeletePageTest::testDeleteUnsafe with data set "custom deletion log" (false, array(), true, 'custom-del-log')
Using null as an array offset is deprecated, use an empty string instead

61) MediaWiki\Tests\Page\DeletePageTest::testDeleteUnsafe with data set "queued deletion" (false, array(), false, 'delete')
Using null as an array offset is deprecated, use an empty string instead

62) MediaWiki\Tests\Page\DeletePageTest::testEventEmission with data set #0 (false, array())
Using null as an array offset is deprecated, use an empty string instead

63) MediaWiki\Tests\Page\DeletePageTest::testEventEmission with data set #1 (true, array('suppressed'))
Using null as an array offset is deprecated, use an empty string instead

64) MediaWiki\Tests\Page\DeletePageTest::testEventEmission with data set #2 (true, array(), MediaWiki\Content\WikitextContent Object (...))
Using null as an array offset is deprecated, use an empty string instead

65) MediaWiki\Tests\Page\DeletePageTest::testUpdatePropagation with data set "article" ('MediaWiki\Tests\Page\DeletePa...ation1')
Using null as an array offset is deprecated, use an empty string instead

66) MediaWiki\Tests\Page\DeletePageTest::testUpdatePropagation with data set "user talk" ('User_talk:MediaWiki\Tests\Pag...ation1')
Using null as an array offset is deprecated, use an empty string instead

67) MediaWiki\Tests\Page\DeletePageTest::testUpdatePropagation with data set "message" ('MediaWiki:MediaWiki\Tests\Pag...ation1')
Using null as an array offset is deprecated, use an empty string instead

68) MediaWiki\Tests\Page\DeletePageTest::testUpdatePropagation with data set "script" ('User:MediaWiki\Tests\Page\Del...mon.js', MediaWiki\Content\JavaScriptContent Object (...))
Using null as an array offset is deprecated, use an empty string instead

69) MediaWiki\Tests\Page\RollbackPageTest::testRollback
Using null as an array offset is deprecated, use an empty string instead

70) MediaWiki\Tests\Page\RollbackPageTest::testRollbackFailNotCreateDummyRevision
Using null as an array offset is deprecated, use an empty string instead

71) MediaWiki\Tests\Page\RollbackPageTest::testEventEmission
Using null as an array offset is deprecated, use an empty string instead

72) MediaWiki\Tests\Page\RollbackPageTest::testUpdatePropagation with data set "article" (MediaWiki\Page\PageIdentityValue Object (...))
Using null as an array offset is deprecated, use an empty string instead

73) MediaWiki\Tests\Page\RollbackPageTest::testUpdatePropagation with data set "user talk" (MediaWiki\Page\PageIdentityValue Object (...))
Using null as an array offset is deprecated, use an empty string instead

74) MediaWiki\Tests\Page\RollbackPageTest::testUpdatePropagation with data set "message" (MediaWiki\Page\PageIdentityValue Object (...))
Using null as an array offset is deprecated, use an empty string instead

75) MediaWiki\Tests\Page\RollbackPageTest::testUpdatePropagation with data set "script" (MediaWiki\Page\PageIdentityValue Object (...), MediaWiki\Content\JavaScriptContent Object (...), MediaWiki\Content\JavaScriptContent Object (...))
Using null as an array offset is deprecated, use an empty string instead

/[...]/mediawiki/core/includes/JobQueue/JobQueueGroup.php:385
/[...]/mediawiki/core/includes/JobQueue/JobQueueGroup.php:326
/[...]/mediawiki/core/includes/JobQueue/JobQueueGroup.php:229
/[...]/mediawiki/core/includes/JobQueue/JobRunner.php:203
/[...]/mediawiki/core/tests/phpunit/MediaWikiIntegrationTestCase.php:2741
/[...]/mediawiki/core/tests/phpunit/integration/includes/Page/RollbackPageTest.php:604
(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)
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JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
mediawiki/core
master
+1
-1
JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
mediawiki/core
REL1_43
+1
-1
JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
mediawiki/core
REL1_44
+1
-1
JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
mediawiki/core
REL1_45
+1
-1
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T410514
Using null as array offset or as the key parameter for array_key_exists() is deprecated in PHP 8.5
Resolved
Prashant32194
T413934
Using null as an array offset is deprecated, use an empty string instead (from JobQueue/JobQueueGroup.php:385)
Mentioned In
T411814: Make PHP 8.5 voting on development (master) branch of MW ecosystem (core, vendor, extensions, skins, libraries) in CI
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A_smart_kitten
created this task.
Jan 6 2026, 10:41 PM
2026-01-06 22:41:56 (UTC+0)
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Jan 6 2026, 10:41 PM
2026-01-06 22:41:58 (UTC+0)
A_smart_kitten
moved this task from
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to
MediaWiki core
on the
PHP 8.5 support
board.
Jan 6 2026, 10:44 PM
2026-01-06 22:44:58 (UTC+0)
A_smart_kitten
updated the task description.
(Show Details)
Jan 7 2026, 9:02 AM
2026-01-07 09:02:38 (UTC+0)
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
2026-01-12 11:11:18 (UTC+0)
Prashant32194
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Jan 17 2026, 12:51 PM
2026-01-17 12:51:24 (UTC+0)
Umherirrender
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Jan 19 2026, 9:05 PM
2026-01-19 21:05:08 (UTC+0)
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added a comment.
Jan 20 2026, 5:43 AM
2026-01-20 05:43:00 (UTC+0)
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Change #1228153 had a related patch set uploaded (by Prashant_32194; author: Prashant_32194):
[mediawiki/core@master] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
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Patch-For-Review
Jan 20 2026, 5:43 AM
2026-01-20 05:43:02 (UTC+0)
gerritbot
added a comment.
Jan 20 2026, 2:28 PM
2026-01-20 14:28:53 (UTC+0)
Comment Actions
Change #1228153 had a related patch set uploaded (by Prashant_32194; author: Prashant_32194):
[mediawiki/core@master] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
added a comment.
Jan 20 2026, 8:57 PM
2026-01-20 20:57:44 (UTC+0)
Comment Actions
Change #1228153
merged
by jenkins-bot:
[mediawiki/core@master] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
added a comment.
Jan 20 2026, 9:01 PM
2026-01-20 21:01:45 (UTC+0)
Comment Actions
Change #1229189 had a related patch set uploaded (by Umherirrender; author: Prashant_32194):
[mediawiki/core@REL1_45] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
added a comment.
Jan 20 2026, 9:16 PM
2026-01-20 21:16:17 (UTC+0)
Comment Actions
Change #1229190 had a related patch set uploaded (by Umherirrender; author: Prashant_32194):
[mediawiki/core@REL1_44] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
added a comment.
Jan 20 2026, 9:16 PM
2026-01-20 21:16:32 (UTC+0)
Comment Actions
Change #1229191 had a related patch set uploaded (by Umherirrender; author: Prashant_32194):
[mediawiki/core@REL1_43] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
Umherirrender
closed this task as
Resolved
Jan 20 2026, 9:21 PM
2026-01-20 21:21:14 (UTC+0)
gerritbot
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Jan 20 2026, 9:34 PM
2026-01-20 21:34:59 (UTC+0)
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Change #1229189
merged
by jenkins-bot:
[mediawiki/core@REL1_45] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
added a comment.
Jan 20 2026, 9:41 PM
2026-01-20 21:41:48 (UTC+0)
Comment Actions
Change #1229190
merged
by jenkins-bot:
[mediawiki/core@REL1_44] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
gerritbot
added a comment.
Jan 20 2026, 9:42 PM
2026-01-20 21:42:10 (UTC+0)
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Change #1229191
merged
by jenkins-bot:
[mediawiki/core@REL1_43] JobQueueGroup: avoid PHP 8.5 deprecation from null array offsets
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Jan 23 2026, 9:27 PM
2026-01-23 21:27:22 (UTC+0)
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